Compare Local Pros
Blocka Construction vs Clogbusters Plumbing And General Building
Alameda General Contractors Comparison · Updated March 2026
Blocka Construction carries workers compensation insurance while Clogbusters does not, creating significant liability risk for homeowners despite both being veteran contractors.
| Blocka Construction | Clogbusters Plumbing And General Building | |
|---|---|---|
| Rating | ★ 5.0 | ★ 3.4 |
| Years Licensed | 32 years | 25 years |
| License # | 679326 | 792293 |
| Workers' Comp | ✓ Yes | — |
| Bond Amount | $25,000 | $25,000 |
| Location | Pleasanton, CA | Berkeley, CA |
| Website | www.blockainc.com | — |
Key Differences
What Customers Say
Clogbusters Plumbing And General Building
Customers consistently praise Clogbusters' rapid emergency response and technical plumbing work but report variable experiences with appointment scheduling and quote communication.
Customer Reviews
Blocka Construction
A+
Amazing Company. Great people to work with. Very knowledgeable and gets the job done!
Clogbusters Plumbing And General Building
Great Experience. Highly Recommend!
Amazing service. Professional and he got it done. This man is our savior. Thank you from Breathe Health Center and Services!
Had a plumbing emergency tonight, called 4 other plumbers who couldn't send someone out until later in the week before I found Clogbusters. They sent someone out right away, did an excellent job with ...
Consider Blocka Construction if...
- ✓ You need a general contractor for construction work beyond plumbing, where Blocka's broader 32-year construction background applies directly to your project scope.
- ✓ Workers compensation insurance is a priority for you, eliminating the risk that an on-site injury could trigger a claim against your homeowner's policy.
- ✓ You prefer working with a contractor who maintains comprehensive insurance and bonding without gaps in coverage.
- ✓ Your project doesn't require emergency response timing, allowing you to prioritize risk management over speed.
Consider Clogbusters Plumbing And General Building if...
- ✓ You have a plumbing emergency requiring same-day or next-day response, where Clogbusters has demonstrated strength based on customer reports.
- ✓ Your project is specifically plumbing-related (emergency repairs, faucet replacement, drain clearing) rather than general construction work.
- ✓ You're comfortable assuming the workers compensation liability risk after confirming your homeowner's policy covers contractor injuries and verifying Clogbusters will work as an independent operator.
- ✓ You can manage the communication inconsistencies some customers report by being proactive about confirming appointments and following up on quotes yourself.
Questions to Ask Before Hiring
- → Ask Clogbusters directly why they don't carry workers compensation insurance and confirm in writing whether they work alone or employ helpers who would be on your property.
- → Ask your homeowner's insurance agent whether your policy covers injuries to uninsured contractors or their workers, and what that would do to your premiums if a claim occurred.
- → Ask Blocka for references from recent projects similar to yours, given the limited public review history available.
- → Ask Clogbusters how they handle appointment confirmations and project quotes, addressing the communication concerns some customers have reported.
The Bottom Line
For general construction work, Blocka Construction is the clearer choice with complete insurance coverage and 32 years of broad experience, despite limited public reviews. For plumbing emergencies where speed matters most, Clogbusters offers proven fast response, but only if you're willing to accept the workers compensation liability risk and can manage communication proactively. Before hiring Clogbusters for any job, contact your homeowner's insurance agent to understand your exact exposure if a worker injury occurs. If that risk is unacceptable or your agent advises against it, Blocka is your answer regardless of project type.
Get Up to 3 Free Quotes
Compare prices from licensed, verified contractors
Frequently Asked Questions
Yes, it matters regardless of job size. If anyone working for Clogbusters is injured on your property and they lack workers comp, your homeowner's insurance becomes the target for medical claims and lost wages. Even a simple fall from a ladder can generate six-figure medical costs. This risk exists whether the job takes two hours or two weeks.
Both are veteran contractors, so the experience gap is less significant than it would be comparing a 7-year contractor to a newcomer. The more important distinction is service focus: Blocka brings general construction expertise while Clogbusters specializes in plumbing. Choose based on what your project actually requires rather than the experience difference alone.
The feedback shows inconsistency rather than universal problems—some customers report excellent service while others struggled with scheduling confirmations and quote follow-ups. If you choose Clogbusters, plan to be proactive about confirming appointments in writing and following up on outstanding quotes. Their technical work receives positive feedback when communication hurdles are cleared.
Limited review history doesn't necessarily indicate problems—some established contractors simply don't prioritize online review collection or work primarily through repeat clients and referrals. This is why asking Blocka directly for recent project references becomes important. You're filling the information gap with direct conversations rather than relying solely on public feedback.
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 13, 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.