Compare Local Pros
Blocka Construction vs Durrani Plumbing
Alameda General Contractors Comparison · Updated March 2026
You're comparing a veteran general contractor with 32 years experience to a 2-year-old plumbing specialist without workers comp insurance.
| Blocka Construction | Durrani Plumbing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 32 years | 2 years |
| License # | 679326 | 1110028 |
| Workers' Comp | ✓ Yes | — |
| Bond Amount | $25,000 | $25,000 |
| Location | Pleasanton, CA | Fremont, CA |
| Website | www.blockainc.com | www.durraniplumbing.com |
Key Differences
What Customers Say
Durrani Plumbing
Customers consistently praise Durrani Plumbing for same-day responsiveness, transparent pricing explanations, and thorough diagnostic work even in challenging access areas.
Key Takeaway: Durrani Plumbing has substantial customer feedback documenting service quality and communication practices, while Blocka Construction has no available reviews to assess current performance despite three decades in business.
Customer Reviews
Blocka Construction
A+
Amazing Company. Great people to work with. Very knowledgeable and gets the job done!
Durrani Plumbing
We hired Durrani Plumbing to install a Moen shutoff valve on 1.5 inch main water line to our house. They did an excellent job of installing this valve. The install was more complicated then usual due ...
I recently used the service and was really impressed. The plumber was quick, professional, and solved the issue efficiently. It's great to see such dedication in local service providers. As a web dev...
We had a sewer blockage that almost blocked us from using bathroom or drainage. I got a recommendation to contact Durrani Plumbing. Mr. Sarfraz was very thorough to identify the source of blockage. He...
Consider Blocka Construction if...
- ✓ You need general construction services beyond plumbing scope, such as structural work, room additions, or multi-trade projects requiring coordination across disciplines
- ✓ Risk mitigation is your top priority and you want full workers compensation coverage protecting you from potential liability if someone is injured on site
- ✓ Your project is complex enough that 32 years of experience navigating building codes, permit complications, and unexpected structural issues provides meaningful value
- ✓ You're comfortable hiring a contractor without recent customer feedback and will conduct your own reference checks
Consider Durrani Plumbing if...
- ✓ You need residential plumbing services specifically—water heater replacement, drain repairs, fixture installation, or emergency plumbing work where Durrani's specialization is directly relevant
- ✓ Responsive communication and quick availability matter to your situation, particularly if you're dealing with an urgent plumbing issue that needs same-day or weekend attention
- ✓ Transparent pricing and detailed explanations are priorities, as multiple reviews consistently mention these practices
- ✓ You're willing to verify your homeowner's insurance covers contractor injuries and accept the workers comp gap in exchange for Durrani's documented customer satisfaction and plumbing-focused expertise
Questions to Ask Before Hiring
- → Ask Durrani Plumbing directly about liability coverage and confirm with your homeowner's insurance whether your policy covers injuries to uninsured contractors working at your property
- → Ask Blocka Construction for references from recent projects similar to yours, since no customer reviews are available to assess current performance and communication
- → Ask Durrani about their approach to complex or older plumbing systems, given their shorter time in business, to ensure comfort level with potential complications
- → If your project involves both plumbing and other construction work, clarify exactly what each contractor's license covers and whether you'd need to hire multiple specialists
The Bottom Line
This comparison only works if you're genuinely choosing between general construction and specialized plumbing services. For plumbing work specifically, Durrani Plumbing offers focused expertise with documented customer satisfaction for responsiveness, transparent pricing, and thorough service—meaningful advantages despite being newer. The workers comp gap is a real concern you must address by verifying your homeowner's insurance coverage before hiring. For general construction projects requiring broad trade knowledge and permit navigation, Blocka Construction's 32 years of experience and full insurance coverage provide stronger protection, though you'll need to conduct your own reference checks given the absence of customer reviews. If you need plumbing services and can resolve the insurance question, Durrani's track record speaks clearly. If you need construction work beyond plumbing, Blocka's veteran status justifies the lack of feedback transparency.
Get Up to 3 Free Quotes
Compare prices from licensed, verified contractors
Frequently Asked Questions
It means if a worker is injured on your property, your homeowner's insurance could potentially be held liable for medical costs and damages. California law requires most contractors to carry workers comp, though some sole proprietors with no employees are exempt. Before hiring Durrani, verify their employment structure and confirm your homeowner's policy coverage with your insurance agent.
Not particularly—general construction experience doesn't translate directly to plumbing expertise, which requires specialized knowledge of water systems, drainage, and gas lines. For routine plumbing services, a dedicated plumbing contractor's focused experience is more relevant than decades of general construction work. You'd choose Blocka if your project involves construction beyond plumbing scope.
The absence of reviews could mean the company hasn't actively collected customer feedback, works primarily through repeat clients or referrals, or simply hasn't been reviewed on accessible platforms. With 32 years in business, they've clearly maintained a customer base, but without reviews you'll need to request direct references and conduct more thorough vetting yourself.
It depends on the plumber's prior experience before licensing and the specific project complexity. Durrani's reviews mention handling challenging installations in crawl spaces and thorough diagnostics, suggesting competence beyond basic repairs. For standard residential plumbing—water heaters, fixtures, drains—two years is generally sufficient, but for unusual system designs or major replumbing, ask specifically about their experience with similar projects.
Looking for the Best?
See our ranked list of top general contractors in Alameda.
Other Alameda General Contractors Comparisons
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.