Compare Local Pros
2026 RANKINGS
Best Plumbing Contractors in Walnut Creek, CA
We compared 3 licensed plumbing contractors serving Walnut Creek based on credentials, insurance, experience, and customer reviews.
Updated March 2026
3
Total Contractors
30.7
Avg. Years Licensed
2
With Workers' Comp
Finding a reliable plumbing contractor in Walnut Creek, California requires careful vetting and local knowledge. This East Bay community, known for its Mediterranean climate, established neighborhoods like Rossmoor and downtown's bustling commercial district, presents unique plumbing challenges that demand experienced professionals. From older homes with aging pipe systems to newer construction requiring modern fixture installations, Walnut Creek homeowners need contractors who understand both the technical demands and local regulatory requirements of Contra Costa County.
Quality plumbing work matters significantly in this region where hard water from local sources can accelerate pipe deterioration, and the area's occasional seismic activity requires proper installation techniques that meet California's strict building codes. Whether you're dealing with a burst pipe emergency, planning a bathroom remodel, or need routine water heater maintenance, choosing the right contractor affects not just the immediate repair quality but your home's long-term value and safety. Poor workmanship can lead to water damage, mold growth, code violations, and expensive re-work that far exceeds the cost of hiring a qualified professional initially.
This comprehensive guide examines licensed plumbing contractors actively serving Walnut Creek in 2026. We've verified each company's California Contractors State License Board (CSLB) credentials, analyzed their insurance coverage, evaluated hundreds of customer reviews, and assessed their experience levels. Our analysis focuses on contractors with verified licenses, proper bonding, and documented track records in the Walnut Creek area, providing you with the factual information needed to make an informed hiring decision for your plumbing project.
Quality plumbing work matters significantly in this region where hard water from local sources can accelerate pipe deterioration, and the area's occasional seismic activity requires proper installation techniques that meet California's strict building codes. Whether you're dealing with a burst pipe emergency, planning a bathroom remodel, or need routine water heater maintenance, choosing the right contractor affects not just the immediate repair quality but your home's long-term value and safety. Poor workmanship can lead to water damage, mold growth, code violations, and expensive re-work that far exceeds the cost of hiring a qualified professional initially.
This comprehensive guide examines licensed plumbing contractors actively serving Walnut Creek in 2026. We've verified each company's California Contractors State License Board (CSLB) credentials, analyzed their insurance coverage, evaluated hundreds of customer reviews, and assessed their experience levels. Our analysis focuses on contractors with verified licenses, proper bonding, and documented track records in the Walnut Creek area, providing you with the factual information needed to make an informed hiring decision for your plumbing project.
Quick Comparison
| # | Contractor | Rating | Reviews | Years | Insured |
|---|---|---|---|---|---|
| 1 | Leapfrog Plumbing | 4.7 | 224 | 17 | Yes |
| 2 | BDS Plumbing | 5 | 1 | 30 | Yes |
| 3 | Rivers Plumbing Heating And Air | 3.9 | 19 | 45 | No |
How We Ranked These Walnut Creek Plumbing Contractors
Our ranking methodology prioritizes verifiable credentials and customer experiences over marketing claims. Each contractor included in this guide underwent verification through the California Contractors State License Board database to confirm active licensure, proper classification for plumbing work (C-36 classification), and clean disciplinary records. We verified bonding amounts meet California's $25,000 minimum requirement and confirmed workers' compensation insurance status, which protects homeowners from liability if a worker is injured on their property.
Review analysis examined both Google and Yelp platforms, assessing overall ratings, total review volume, response patterns, and specific feedback themes. We weighted recent reviews more heavily, particularly those from 2025-2026, since they reflect current service quality and business practices. Years of licensure served as an indicator of experience and stability, though we balanced this against consistent positive feedback. Contractors with very limited review histories received consideration based on their credentials and longevity, but those with substantial verified customer feedback provided more comprehensive assessment data. This multi-factor approach ensures recommendations based on documented performance rather than advertising spend or self-promotion.
Review analysis examined both Google and Yelp platforms, assessing overall ratings, total review volume, response patterns, and specific feedback themes. We weighted recent reviews more heavily, particularly those from 2025-2026, since they reflect current service quality and business practices. Years of licensure served as an indicator of experience and stability, though we balanced this against consistent positive feedback. Contractors with very limited review histories received consideration based on their credentials and longevity, but those with substantial verified customer feedback provided more comprehensive assessment data. This multi-factor approach ensures recommendations based on documented performance rather than advertising spend or self-promotion.
What to Look for in a Walnut Creek Plumbing Contractor
When hiring a plumbing contractor in Walnut Creek, license verification should be your first step. Visit the CSLB website and confirm the contractor holds an active C-36 plumbing license with no disciplinary actions. Verify their workers' compensation insurance status and bond coverage, as these protections are legally required and shield you from financial liability. Request proof of general liability insurance as well, with minimum coverage of $1 million recommended for significant projects.
Contra Costa County requires permits for most plumbing work beyond simple fixture replacements, including water heater installations, re-piping projects, and sewer line work. Reputable contractors will obtain necessary permits and arrange inspections, ensuring work meets the 2022 California Plumbing Code adopted by local jurisdictions. Ask contractors about their permitting process and whether permit costs are included in estimates or billed separately.
Walnut Creek's climate presents specific considerations. The area's hard water accelerates scale buildup in pipes and fixtures, making quality materials and proper installation techniques crucial for longevity. Occasional drought conditions mean water-efficient fixtures and systems are both environmentally responsible and potentially eligible for rebates through the Contra Costa Water District. The region's seismic activity requires flexible connections for water heaters and proper bracing to meet earthquake safety standards. Experienced local contractors understand these requirements and incorporate them into standard practices. Finally, obtain multiple written estimates that itemize materials, labor, permits, and timelines, making direct comparisons easier and helping you identify unusually low bids that may indicate corner-cutting or unlicensed work.
Contra Costa County requires permits for most plumbing work beyond simple fixture replacements, including water heater installations, re-piping projects, and sewer line work. Reputable contractors will obtain necessary permits and arrange inspections, ensuring work meets the 2022 California Plumbing Code adopted by local jurisdictions. Ask contractors about their permitting process and whether permit costs are included in estimates or billed separately.
Walnut Creek's climate presents specific considerations. The area's hard water accelerates scale buildup in pipes and fixtures, making quality materials and proper installation techniques crucial for longevity. Occasional drought conditions mean water-efficient fixtures and systems are both environmentally responsible and potentially eligible for rebates through the Contra Costa Water District. The region's seismic activity requires flexible connections for water heaters and proper bracing to meet earthquake safety standards. Experienced local contractors understand these requirements and incorporate them into standard practices. Finally, obtain multiple written estimates that itemize materials, labor, permits, and timelines, making direct comparisons easier and helping you identify unusually low bids that may indicate corner-cutting or unlicensed work.
Detailed Contractor Reviews
#1
Leapfrog Plumbing
License #929641 • Walnut Creek, CA
17 years licensed
Workers' Comp ✓
$25,000 bond
Active License ✓
4.7
224 reviews
Leapfrog Plumbing brings 17 years of licensed experience to Walnut Creek homeowners, operating with an active CSLB license (#929641), proper workers' compensation coverage, and the required $25,000 bond. Their 4.7-star Google rating across 224 reviews indicates consistent customer satisfaction, with recent feedback from January 2026 highlighting their professionalism and punctuality. Reviewers specifically mention honest assessments of repair needs and friendly staff interactions.
The company has demonstrated capabilities across diverse projects, from emergency leak repairs requiring wall access to complete water supply line replacements involving trenching and street connection work. Recent reviews describe quality work on complex installations despite obstacles, suggesting problem-solving abilities and technical competence. However, some feedback indicates occasional inconsistencies, with a small number of customers reporting incomplete repairs requiring follow-up service.
Leapfrog Plumbing appears well-suited for homeowners seeking an established local company with substantial verified customer feedback and a track record handling both routine repairs and major installations. Their quick response times mentioned in reviews make them appropriate for emergency situations, while their experience with significant infrastructure projects like supply line replacements indicates capacity for larger-scope work beyond basic fixture repairs.
The company has demonstrated capabilities across diverse projects, from emergency leak repairs requiring wall access to complete water supply line replacements involving trenching and street connection work. Recent reviews describe quality work on complex installations despite obstacles, suggesting problem-solving abilities and technical competence. However, some feedback indicates occasional inconsistencies, with a small number of customers reporting incomplete repairs requiring follow-up service.
Leapfrog Plumbing appears well-suited for homeowners seeking an established local company with substantial verified customer feedback and a track record handling both routine repairs and major installations. Their quick response times mentioned in reviews make them appropriate for emergency situations, while their experience with significant infrastructure projects like supply line replacements indicates capacity for larger-scope work beyond basic fixture repairs.
#2
BDS Plumbing
License #713183 • Walnut Creek, CA
30 years licensed
Workers' Comp ✓
$25,000 bond
Active License ✓
5.0
1 reviews
BDS Plumbing operates with 30 years of licensed experience in California, holding CSLB license #713183 with active status, workers' compensation insurance, and proper bonding. This three-decade history represents substantial longevity in the competitive Bay Area plumbing market, indicating business stability and accumulated technical expertise across multiple generations of plumbing systems and code requirements.
The company maintains a limited online review presence with a single 5-star Google review from January 2025, making comprehensive assessment of current service patterns challenging compared to contractors with larger review volumes. However, this review specifically praises the owner's professionalism and describes positive experiences spanning multiple years and numerous projects, suggesting consistent relationship-building with clients. The reviewer's characterization of the company as "the best plumber in all of NorCal" and noting they're "still keeping the Bay Area afloat" indicates sustained quality over time.
BDS Plumbing may appeal particularly to homeowners who prioritize extensive experience and longevity over large review volumes, or those seeking a smaller, owner-operated company where they'll work directly with highly experienced professionals. The limited online presence might reflect a business model relying more heavily on repeat customers and referrals rather than digital marketing, common among established contractors with loyal client bases.
The company maintains a limited online review presence with a single 5-star Google review from January 2025, making comprehensive assessment of current service patterns challenging compared to contractors with larger review volumes. However, this review specifically praises the owner's professionalism and describes positive experiences spanning multiple years and numerous projects, suggesting consistent relationship-building with clients. The reviewer's characterization of the company as "the best plumber in all of NorCal" and noting they're "still keeping the Bay Area afloat" indicates sustained quality over time.
BDS Plumbing may appeal particularly to homeowners who prioritize extensive experience and longevity over large review volumes, or those seeking a smaller, owner-operated company where they'll work directly with highly experienced professionals. The limited online presence might reflect a business model relying more heavily on repeat customers and referrals rather than digital marketing, common among established contractors with loyal client bases.
#3
Rivers Plumbing Heating And Air
License #406446 • Walnut Creek, CA
45 years licensed
No Workers' Comp
$25,000 bond
Active License ✓
3.9
19 reviews
Rivers Plumbing Heating And Air operates under CSLB license #406446, representing 45 years of licensed experience in California—the longest tenure among contractors in this comparison. The company maintains required bonding but currently operates without workers' compensation insurance, which homeowners should discuss directly with the company regarding coverage and liability implications for their specific project. Their 3.9-star Google rating across 19 reviews reflects mixed customer experiences.
The company offers combined plumbing and HVAC services, providing convenience for homeowners needing both specialties. Reviews highlight the owner Steve's honesty and attention to detail, with customers describing successful water heater replacements including tankless installations and leak detection work. The company offers weekend emergency service, valuable for urgent situations. However, some recent feedback from 2025 describes communication issues and inconsistent service experiences, with customers reporting disagreements about service scope and quality concerns on certain jobs.
Rivers Plumbing Heating And Air's extensive 45-year history indicates deep technical knowledge and experience with both legacy systems in Walnut Creek's older homes and modern equipment. The dual plumbing and HVAC capability makes them appropriate for homeowners undertaking comprehensive home system upgrades or preferring a single contractor relationship for multiple trades. Their weekend emergency availability addresses urgent repair needs outside standard business hours, though potential clients should discuss expectations clearly given the mixed recent feedback.
The company offers combined plumbing and HVAC services, providing convenience for homeowners needing both specialties. Reviews highlight the owner Steve's honesty and attention to detail, with customers describing successful water heater replacements including tankless installations and leak detection work. The company offers weekend emergency service, valuable for urgent situations. However, some recent feedback from 2025 describes communication issues and inconsistent service experiences, with customers reporting disagreements about service scope and quality concerns on certain jobs.
Rivers Plumbing Heating And Air's extensive 45-year history indicates deep technical knowledge and experience with both legacy systems in Walnut Creek's older homes and modern equipment. The dual plumbing and HVAC capability makes them appropriate for homeowners undertaking comprehensive home system upgrades or preferring a single contractor relationship for multiple trades. Their weekend emergency availability addresses urgent repair needs outside standard business hours, though potential clients should discuss expectations clearly given the mixed recent feedback.
How We Rank Contractors
Licensing & Insurance
Active CSLB license, workers' comp coverage, and bond amounts verified.
Experience
Years of licensed operation in California, demonstrating longevity.
Customer Reviews
Google & Yelp ratings weighted for consistent positive feedback over time.
Priority Score
Our algorithm combines all factors into a single score, updated regularly.
Our ranking methodology for Walnut Creek plumbing contractors combines regulatory verification, customer feedback analysis, and business stability indicators to provide homeowners with reliable, fact-based comparisons. The process begins with California Contractors State License Board verification, where we confirm each contractor's license number, classification type, status, issue date, and disciplinary history. We specifically verify C-36 plumbing classification, ensuring contractors hold the appropriate license for the work they perform. This CSLB verification is non-negotiable; unlicensed contractors are excluded regardless of customer satisfaction, as hiring unlicensed contractors violates California law and voids homeowner protections.
Insurance and bonding verification follows license confirmation. We check workers' compensation status through CSLB records, noting whether contractors provide coverage, are exempt, or operate without coverage. The required $25,000 contractor bond is verified, protecting homeowners if contractors fail to complete work or violate contract terms. These protections represent critical consumer safeguards that distinguish legitimate professionals from unqualified operators.
Review analysis examines both aggregate ratings and individual feedback content. We assess Google and Yelp reviews, noting total review volume, rating distribution, and temporal patterns. Recent reviews (2025-2026) receive greater weight since they reflect current operations, staffing, and service quality. We analyze specific feedback themes including response times, communication quality, technical competence, pricing transparency, and issue resolution. Both positive and negative reviews are considered, with particular attention to how contractors respond to criticism and resolve problems.
Years of licensure provides context about experience depth and business stability. While longevity alone doesn't guarantee quality, it indicates sustained operations through economic cycles and suggests accumulated expertise. We balance experience against current performance metrics, recognizing that newer contractors may deliver excellent service while some long-established companies may have declined in quality. This comprehensive approach, weighting verifiable credentials alongside documented customer experiences, produces rankings based on demonstrable facts rather than marketing claims or paid placements.
Insurance and bonding verification follows license confirmation. We check workers' compensation status through CSLB records, noting whether contractors provide coverage, are exempt, or operate without coverage. The required $25,000 contractor bond is verified, protecting homeowners if contractors fail to complete work or violate contract terms. These protections represent critical consumer safeguards that distinguish legitimate professionals from unqualified operators.
Review analysis examines both aggregate ratings and individual feedback content. We assess Google and Yelp reviews, noting total review volume, rating distribution, and temporal patterns. Recent reviews (2025-2026) receive greater weight since they reflect current operations, staffing, and service quality. We analyze specific feedback themes including response times, communication quality, technical competence, pricing transparency, and issue resolution. Both positive and negative reviews are considered, with particular attention to how contractors respond to criticism and resolve problems.
Years of licensure provides context about experience depth and business stability. While longevity alone doesn't guarantee quality, it indicates sustained operations through economic cycles and suggests accumulated expertise. We balance experience against current performance metrics, recognizing that newer contractors may deliver excellent service while some long-established companies may have declined in quality. This comprehensive approach, weighting verifiable credentials alongside documented customer experiences, produces rankings based on demonstrable facts rather than marketing claims or paid placements.
Frequently Asked Questions
How much does plumbing cost in Walnut Creek?
Plumbing costs in Walnut Creek typically align with broader Bay Area pricing, reflecting the region's higher labor costs and living expenses. Simple repairs like fixing a leaky faucet or unclogging a drain generally range from $150-$400 depending on complexity and accessibility. Water heater replacements cost approximately $1,200-$3,500 for standard tank units, with tankless installations ranging from $2,500-$5,000 including equipment and labor. Sewer line repairs vary dramatically based on depth and access, from $500 for simple cleanouts to $3,000-$15,000 for excavation and replacement of damaged sections. Whole-house re-piping projects in Walnut Creek's older homes typically cost $4,000-$12,000 depending on home size and pipe material selected. Always obtain multiple written estimates itemizing materials, labor, permits, and any additional fees. Contra Costa County permit fees add $100-$300 to most projects requiring inspection. Be cautious of estimates significantly below market rates, as they may indicate unlicensed work, substandard materials, or hidden fees that emerge later.
Do I need a permit for plumbing work in Walnut Creek?
Most plumbing work in Walnut Creek requires permits issued by Contra Costa County or the city's building department, depending on location. Permits are mandatory for water heater installations or replacements, sewer line repairs or replacements, re-piping projects, gas line work, and any plumbing modifications affecting your home's main supply or drain systems. Simple repairs like replacing fixtures, fixing leaky faucets, or clearing drain clogs typically don't require permits. Licensed contractors should obtain permits on your behalf, with costs typically ranging from $100-$300 depending on project scope. Permit requirements ensure work meets the 2022 California Plumbing Code and receives proper inspection. Unpermitted work can create problems when selling your home, may void insurance coverage if problems occur, and could require expensive corrections if discovered during future inspections. Always verify that your contractor plans to obtain necessary permits and confirm permits were actually issued by checking with the building department.
What should I ask a plumbing contractor before hiring?
Before hiring a plumbing contractor in Walnut Creek, request their CSLB license number and verify it yourself at cslb.ca.gov, confirming active status and checking for disciplinary actions. Ask for proof of workers' compensation insurance and general liability coverage, requesting to see current certificates rather than accepting verbal assurances. Inquire about their experience with your specific project type and ask for references from recent similar jobs you can contact directly.
Discuss the permitting process explicitly, asking who obtains permits, whether costs are included in estimates, and when inspections will occur. Request a detailed written estimate itemizing materials, labor, permits, disposal fees, and timeline, avoiding contractors who only provide verbal quotes or rough figures. Ask about warranty coverage on both labor and materials, getting specific timeframes in writing. Clarify payment terms, being cautious of contractors demanding large upfront payments or full payment before completion.
Inquire about who will actually perform the work, whether it's the license holder or employees, and how the company handles problems or callbacks. Ask how they protect your home during work and what cleanup is included. Finally, discuss communication expectations, including how you'll receive updates and who to contact with questions or concerns during the project.
Discuss the permitting process explicitly, asking who obtains permits, whether costs are included in estimates, and when inspections will occur. Request a detailed written estimate itemizing materials, labor, permits, disposal fees, and timeline, avoiding contractors who only provide verbal quotes or rough figures. Ask about warranty coverage on both labor and materials, getting specific timeframes in writing. Clarify payment terms, being cautious of contractors demanding large upfront payments or full payment before completion.
Inquire about who will actually perform the work, whether it's the license holder or employees, and how the company handles problems or callbacks. Ask how they protect your home during work and what cleanup is included. Finally, discuss communication expectations, including how you'll receive updates and who to contact with questions or concerns during the project.
How do I verify a contractor's license in California?
Verifying a California contractor's license takes just minutes using the CSLB's online database. Visit cslb.ca.gov and click on "Check a License" on the homepage. Enter either the contractor's license number or business name. The resulting report shows license status (active, inactive, or suspended), classification type (should be C-36 for plumbing), issue date indicating years of licensure, and any disciplinary actions or outstanding complaints.
Check the workers' compensation status shown on the license record, which displays whether the contractor provides coverage, is exempt, or has no coverage. Verify the bond status appears current. Review any disciplinary actions carefully, noting complaint details and resolutions. The CSLB database also shows the contractor's official business name and address. Always verify licenses yourself rather than trusting a business card or website claim, as unlicensed contractors sometimes display fake license numbers or use another contractor's number fraudulently.
Check the workers' compensation status shown on the license record, which displays whether the contractor provides coverage, is exempt, or has no coverage. Verify the bond status appears current. Review any disciplinary actions carefully, noting complaint details and resolutions. The CSLB database also shows the contractor's official business name and address. Always verify licenses yourself rather than trusting a business card or website claim, as unlicensed contractors sometimes display fake license numbers or use another contractor's number fraudulently.
What's the best time of year for plumbing work in Walnut Creek?
Walnut Creek's Mediterranean climate makes most of the year suitable for plumbing work, though seasonal considerations can affect scheduling and costs. Spring and fall offer ideal conditions with mild temperatures and typically dry weather, particularly important for exterior work like sewer line repairs or water service replacements that require excavation. Summer's hot, dry weather works well for all plumbing projects and contractors often have better availability, though peak air conditioning season may affect scheduling for companies offering both plumbing and HVAC services.
Winter brings Walnut Creek's rainy season, typically November through March, which can complicate outdoor excavation work and may cause scheduling delays if trenches need to remain open. However, this season often sees reduced demand for non-emergency plumbing work, potentially providing more flexible scheduling and occasionally better pricing. For water heater replacements or interior work, season matters less unless you want to coordinate with other home improvement projects. Emergency repairs obviously can't wait for ideal timing, but for planned projects like re-piping or fixture upgrades, spring and fall provide the most predictable conditions and contractor availability.
Winter brings Walnut Creek's rainy season, typically November through March, which can complicate outdoor excavation work and may cause scheduling delays if trenches need to remain open. However, this season often sees reduced demand for non-emergency plumbing work, potentially providing more flexible scheduling and occasionally better pricing. For water heater replacements or interior work, season matters less unless you want to coordinate with other home improvement projects. Emergency repairs obviously can't wait for ideal timing, but for planned projects like re-piping or fixture upgrades, spring and fall provide the most predictable conditions and contractor availability.
Selecting a qualified plumbing contractor in Walnut Creek requires balancing multiple factors including verified credentials, documented experience, customer feedback, and project-specific capabilities. The contractors profiled in this guide each hold active CSLB licenses with substantial experience ranging from 17 to 45 years, providing homeowners with options suited to different project types and priorities. Leapfrog Plumbing's extensive recent review history and diverse project portfolio make them appropriate for homeowners seeking well-documented current performance. BDS Plumbing's three decades of experience appeals to those prioritizing longevity and established expertise. Rivers Plumbing Heating And Air's 45-year history and combined plumbing-HVAC capabilities serve homeowners needing multiple trade services or working with older home systems.
The most critical step in your hiring process remains independent verification. Visit cslb.ca.gov to confirm license status, check for disciplinary actions, and verify insurance coverage regardless of which contractor you're considering. Obtain multiple written estimates that allow direct comparison of scope, materials, timeline, and costs. Don't automatically select the lowest bid; instead, evaluate the overall value proposition including warranty coverage, contractor responsiveness, and verified customer experiences. Ask detailed questions about permitting, who performs the actual work, and how problems are resolved.
Compare Local Pros provides the verified information and comparison tools you need to make confident hiring decisions. Our contractor profiles present factual data about licenses, insurance, customer reviews, and experience levels without promotional bias. We encourage you to use this information as your starting point, then contact multiple contractors to discuss your specific project, request detailed estimates, and assess their professionalism and communication style. Taking time to properly vet contractors and obtain multiple bids protects your investment and increases the likelihood of successful project outcomes that meet Walnut Creek's building codes and your quality expectations.
The most critical step in your hiring process remains independent verification. Visit cslb.ca.gov to confirm license status, check for disciplinary actions, and verify insurance coverage regardless of which contractor you're considering. Obtain multiple written estimates that allow direct comparison of scope, materials, timeline, and costs. Don't automatically select the lowest bid; instead, evaluate the overall value proposition including warranty coverage, contractor responsiveness, and verified customer experiences. Ask detailed questions about permitting, who performs the actual work, and how problems are resolved.
Compare Local Pros provides the verified information and comparison tools you need to make confident hiring decisions. Our contractor profiles present factual data about licenses, insurance, customer reviews, and experience levels without promotional bias. We encourage you to use this information as your starting point, then contact multiple contractors to discuss your specific project, request detailed estimates, and assess their professionalism and communication style. Taking time to properly vet contractors and obtain multiple bids protects your investment and increases the likelihood of successful project outcomes that meet Walnut Creek's building codes and your quality expectations.
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Data Sources: License information from California CSLB. Ratings and reviews from Google. Rankings updated regularly.
This ranking is based on publicly available information and our proprietary scoring algorithm. We recommend getting multiple quotes and verifying all credentials directly before hiring.
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