Compare Local Pros Compare Local Pros

Blocka Construction vs Plumbing Experts

Alameda General Contractors Comparison · Updated March 2026

Quick Verdict

General contractor with 32 years experience versus specialized plumber with quick response but no workers comp coverage.

Blocka Construction: Blocka Construction is a veteran general contractor with three decades of experience, full insurance protection, but limited review history.
Plumbing Experts: Plumbing Experts is a responsive plumbing specialist known for same-day service and owner involvement, but lacks workers compensation insurance.
Note: Plumbing Experts does not carry workers compensation insurance, meaning homeowners could face liability if a worker is injured on their property.
Blocka Construction Plumbing Experts
Rating 5.0 4.9
Years Licensed 32 years 5 years
License # 679326 1075672
Workers' Comp ✓ Yes
Bond Amount $25,000 $25,000
Location Pleasanton, CA Dublin, CA
Website www.blockainc.com www.plumbingexpertsinc.com

Need help deciding?

Get free quotes from both contractors and compare pricing.

Get Free Quotes

Key Differences

The most critical difference is workers compensation coverage. Blocka Construction carries it; Plumbing Experts does not. This means if a worker from Plumbing Experts is injured at your home, your homeowner's insurance could become the primary coverage, potentially exposing you to liability claims and premium increases. The 27-year experience gap is also substantial. Blocka's 32 years versus Plumbing Experts' 5 years translates to vastly different exposure to complex problems, building code evolution, and handling complications. For routine plumbing repairs, this gap matters less than for structural work or diagnosing hidden issues. However, Plumbing Experts compensates with documented strengths: strong customer feedback emphasizing same-day response, clear communication, and high owner involvement. Customers consistently report the owner arriving within hours for urgent situations and providing thorough explanations before starting work. Blocka's limited review history makes it difficult to assess service responsiveness or communication style, though three decades in business suggests satisfied customers exist.

What Customers Say

Plumbing Experts

Customers consistently praise rapid response times with same-day service, clear explanations of problems and costs before work begins, and professional yet personable interactions with the owner.

Key Takeaway: Plumbing Experts has documented customer feedback establishing service expectations, while Blocka Construction's limited review history requires homeowners to request references directly to assess recent performance.

Customer Reviews

Blocka Construction

Jun 2020

A+

Dec 2018

Amazing Company. Great people to work with. Very knowledgeable and gets the job done!

Plumbing Experts

Jan 2026

Ivan is a very knowledgeable and customer-centric plumber. I used his services for both water heater replacement/installation and home water control system. Both times the business was very fairly pri...

Jan 2026

Highly recommend Ivan. He did a great job diagnosing problems with my tankless water heater and clearly explained what was happening and what actually needed to be fixed. He returned later to help wit...

Jan 2026

Ivan and Vlad are the best! They're my go to plumbing for all issues. Thanks for your help everytime!

Consider Blocka Construction if...

  • You need general construction work beyond plumbing—remodeling, structural repairs, or multi-trade coordination where Blocka's broader licensing applies
  • You prioritize maximum liability protection and want the reassurance of full workers compensation coverage protecting you from on-site injury claims
  • Your project involves older construction where diagnosing hidden problems benefits from three decades of troubleshooting experience
  • You're willing to accept limited visibility into recent customer service patterns in exchange for extensive operational history
View full profile →

Consider Plumbing Experts if...

  • You have a straightforward plumbing need—water heater replacement, leak repair, drain cleaning, or fixture work—where specialization matters more than general construction experience
  • You need same-day or emergency service and value the documented pattern of rapid response times and owner availability
  • You want direct interaction with the owner who will personally handle your project rather than delegating to crew members
  • You're comfortable verifying your homeowner's insurance covers contractor injuries and accepting that responsibility, given the workers comp gap
View full profile →

Questions to Ask Before Hiring

  • For Plumbing Experts: Ask directly about liability coverage and confirm with your homeowner's insurance whether contractor injuries are covered and how claims might affect your premiums
  • For Plumbing Experts: Ask what happens if a worker is injured at your home and who carries financial responsibility
  • For Blocka Construction: Ask for recent project references and typical response time for service calls to compensate for limited review visibility
  • For both: If your project involves any complexity beyond routine service, ask how they've handled similar situations and request references from comparable projects

The Bottom Line

If you need plumbing work and value same-day response with direct owner involvement, Plumbing Experts delivers documented customer satisfaction in those areas—but only proceed after verifying your homeowner's insurance covers worker injuries, as their lack of workers comp creates real liability exposure. For general construction projects or if comprehensive insurance protection is non-negotiable, Blocka Construction's 32 years and full coverage provide substantially better risk management despite limited review visibility. The decision hinges on project type and your comfort level with assuming injury liability. If you choose Plumbing Experts, make that insurance call before scheduling work.

Get Up to 3 Free Quotes

Compare prices from licensed, verified contractors

3 pros will compete for your business
Licensed & Insured
Top-Rated Pros
100% Free

Frequently Asked Questions

Yes, it matters for any project where workers enter your property. If the owner or an employee is injured during your water heater installation—even a routine one—your homeowner's insurance could become the primary coverage if Plumbing Experts lacks workers comp. Call your insurance agent before hiring to understand your exposure and whether a claim would affect your premiums.

Blocka holds a general construction license, which typically allows plumbing work as part of broader construction projects, but you should verify their specific plumbing expertise and whether they employ licensed plumbers. Their 32 years suggests capability across trades, but ask directly about their plumbing experience and crew qualifications for your specific project.

Many established contractors with decades of experience predate online review culture or rely on word-of-mouth and repeat customers rather than actively soliciting reviews. Blocka's 32 years in business suggests satisfied customers exist, but you'll need to request references directly. Plumbing Experts' visible feedback gives you clearer expectations for communication style and response time.

Five years is sufficient for most residential plumbing issues—leaks, water heaters, fixture installations, and drain problems. The customer feedback confirms efficient diagnosis and problem-solving for these common needs. However, for unusual situations involving very old plumbing systems, extensive troubleshooting, or code compliance questions, ask specifically about their experience with your type of problem before committing.

Looking for the Best?

See our ranked list of top general contractors in Alameda.

View Top 10 General Contractors in Alameda

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 12, 2026.

This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.

Get in Touch

Have questions or feedback? We'd love to hear from you.

Get Free Quotes