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Performance Plus Plumbing vs Z And Z Plumbing
Alameda Plumbing Contractors Comparison · Updated March 2026
Performance Plus Plumbing brings 13 additional years of licensing experience with specialized water heater expertise, while Z And Z Plumbing offers competitive pricing and clear option-based consultations.
| Performance Plus Plumbing | Z And Z Plumbing | |
|---|---|---|
| Rating | ★ 4.9 | ★ 4.6 |
| Years Licensed | 32 years | 19 years |
| License # | 692664 | 896116 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Livermore, CA | San Leandro, CA |
| Website | performanceplusplumbing.com | www.zandzplumbing.com |
Key Differences
What Customers Say
Performance Plus Plumbing
Customers consistently emphasize Performance Plus's rapid response times for emergencies and technician expertise in diagnosing and resolving water heater issues efficiently.
Z And Z Plumbing
Customers appreciate Z And Z's approach of presenting multiple repair options with transparent pricing rather than pushing a single solution.
Key Takeaway: Performance Plus is recognized for speed and specialized water heater competency, while Z And Z is distinguished by consultative service style and competitive pricing transparency.
Customer Reviews
Performance Plus Plumbing
Performance Plus Plumbing LLC exceeded my expectations! The team was professional, friendly, and highly skilled. They arrived on time, quickly identified the issue, and completed the repair efficientl...
This company is very honest, Sylvia explains the service in detail, and her pleasant demeanor is soothing to your worries during a break down of your equipment. Appointments that are scheduled with th...
Our Condo Association needed emergency leak detection and of all the companies contacted, the service was same morning and they were able to locate the source. They are very professional and Cliff is...
Z And Z Plumbing
Very impressed Short notice call no voicemail picked up right away and arrived within 30 minutes Inspected, diagnosed, recommended multiple solutions instead of one take it or leave it approach Sew...
Recently had Z & Z come out to my house and help me get in compliance for my private sewer lateral certificate. Sergio and his crew were extremely professional every step of the way from explaining th...
Thank to Pablo and thank you to Z and Z Plumbing for helping me with my kitchen sink! They responded quickly and sent a very nice technician who explained everything clearly. He recommended doing main...
Consider Performance Plus Plumbing if...
- ✓ You're facing a water heater emergency or your unit is still under manufacturer warranty, as Performance Plus maintains authorized service relationships that may be required for warranty claims
- ✓ You need same-day emergency response for leaks or failures, particularly outside business hours, where their 32-year infrastructure appears specifically designed for rapid deployment
- ✓ Your property requires ongoing plumbing maintenance across multiple locations, as property managers specifically mention their reliability for rental and commercial portfolio management
- ✓ You value working with the longest-established contractor available, where three decades of continuous operation indicates financial stability and operational consistency
Consider Z And Z Plumbing if...
- ✓ You're dealing with sewer lateral repairs or compliance certification work, where Z And Z has documented experience with private sewer lateral certificates and related compliance requirements
- ✓ You want to hear multiple solution options with different price points before deciding on a repair approach, as customers specifically note their practice of presenting choices rather than single recommendations
- ✓ Pricing competitiveness is a primary concern, as multiple customers explicitly mention fair pricing compared to other area plumbers
- ✓ Your project is in San Leandro or eastern Alameda County, where Z And Z's base location may result in faster response times
Questions to Ask Before Hiring
- → Ask Performance Plus whether your water heater brand is one they service under warranty, and request their manufacturer authorization documentation if warranty work is involved
- → Ask Z And Z about their typical response time for your specific location, since they're based in San Leandro rather than central Tri-Valley
- → Request from both contractors references for projects similar to yours in scope, particularly if you're dealing with sewer lateral replacement or complex water heater installations
- → Ask each contractor how they handle pricing: whether they provide written estimates before starting work and what their policy is if additional issues are discovered during the job
The Bottom Line
For water heater work, emergency response, or projects requiring manufacturer warranty service, Performance Plus Plumbing's 32 years of experience and specialized relationships provide clear advantages. Their infrastructure is built specifically for rapid deployment on water heater failures and leak emergencies. For sewer lateral repairs, compliance certification, or projects where you want to compare multiple repair approaches before committing, Z And Z Plumbing's consultative style and documented fair pricing make them the better choice. Both are properly insured veteran contractors capable of handling standard residential plumbing, so your decision should focus on your specific project type. If you're uncertain, request written estimates from both and compare not just price but also the thoroughness of their diagnostic explanation and proposed solutions.
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Frequently Asked Questions
For straightforward repairs like drain clearing or basic leak fixes, both contractors have sufficient experience. The gap becomes meaningful for complex diagnostics, particularly with water heater failures where Performance Plus's 32 years and manufacturer relationships provide access to technical support and warranty parts that newer contractors may not have. For sewer lateral compliance work, Z And Z's 19 years is more than adequate for navigating municipal requirements.
Customer feedback explicitly mentions Z And Z's fair pricing and competitive rates compared to other area plumbers, while Performance Plus receives no specific pricing commentary either positive or negative. For drain and sewer work where multiple repair approaches exist, Z And Z's practice of presenting options may reveal lower-cost alternatives. However, get written estimates from both before assuming one is cheaper.
Performance Plus Plumbing shows stronger documentation for water heater emergencies specifically, with manufacturer warranty relationships, same-day service emphasis, and customer feedback highlighting rapid water heater response. Z And Z provides fast response for general plumbing, but Performance Plus appears to have built infrastructure specifically around water heater work. If your unit is under warranty, Performance Plus's authorized service status may be required.
Z And Z Plumbing has documented experience with private sewer lateral certificates and compliance work, which requires familiarity with municipal requirements and inspection processes. While Performance Plus lists sewer line work in their services, customer feedback focuses on water heaters and emergency repairs rather than sewer projects. For lateral replacement or compliance certification, Z And Z's documented track record in this specific area is more relevant.
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How We Compare Contractors
License Verification
All license data is sourced from official California CSLB records and verified regularly.
Review Analysis
Customer reviews are aggregated from Google and analyzed to identify patterns in service quality.
Detailed Comparison
We analyze credentials, insurance, experience, and feedback to highlight meaningful differences.
Not all licensed contractors are created equal. While a valid license is the baseline requirement in California, contractors can vary significantly in experience, insurance coverage, and customer satisfaction.
- Experience matters: A contractor with 15+ years of experience has likely encountered and solved problems that newer contractors haven't faced yet.
- Workers' compensation protects you: If a contractor without workers' comp insurance has an employee injured on your property, you could be held liable.
- Reviews reveal patterns: Individual reviews can be misleading, but patterns across many reviews often reveal a contractor's true strengths and weaknesses.
- Bond amounts vary: A contractor's bond provides financial protection if they fail to complete work as agreed. Higher bonds offer more protection.
Taking time to compare contractors on these factors can save you from costly mistakes and help ensure your project is completed by a qualified professional.
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified March 13, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.
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