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Complete Plumbing Works vs Oak Plumbing
Solano Plumbing Contractors Comparison · Updated March 2026
Oak Plumbing offers workers compensation protection and documented customer service strengths that Complete Plumbing Works cannot demonstrate with its limited review history.
| Complete Plumbing Works | Oak Plumbing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.8 |
| Years Licensed | 16 years | 9 years |
| License # | 938398 | 1018855 |
| Workers' Comp | — | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Vallejo, CA | Benicia, CA |
| Website | www.cplumbingworks.com | oak.plumbing |
Key Differences
What Customers Say
Oak Plumbing
Customers consistently highlight Oak Plumbing's quick response times, thorough inspections with educational explanations, and professional technicians who present multiple solution options with upfront pricing.
Key Takeaway: Oak Plumbing has documented customer service patterns showing how they communicate and work, while Complete Plumbing Works provides no verifiable customer experience information despite 16 years in business.
Customer Reviews
Complete Plumbing Works
Marco is professional, on time and efficient. He always delivers top quality. I will hire him again and again.
Oak Plumbing
Ask for Harris he is the best!
Matt did an excellénce job explaining all.my option and the best way ro proceed
Harris was very helpful and informative.
Consider Complete Plumbing Works if...
- ✓ You have an exceptionally complex or unusual plumbing situation where 16 years of licensed experience may have exposed the contractor to similar scenarios
- ✓ You're willing to verify workers compensation coverage yourself or confirm your homeowner's policy covers contractor injuries
- ✓ You can obtain and check recent references directly since public customer feedback is not available
- ✓ The longer licensing history provides additional assurance of business stability and regulatory compliance over time
Consider Oak Plumbing if...
- ✓ You want certainty that workers are covered by insurance if someone is injured during your project
- ✓ Responsive communication and same-day service availability are priorities for your situation
- ✓ You value upfront flat-rate pricing so you know costs before work begins
- ✓ You want to work with a contractor whose customer service approach is documented through verified feedback showing educational explanations and thorough problem diagnosis
- ✓ Diamond Certification matters to you as third-party verification of customer satisfaction standards
Questions to Ask Before Hiring
- → Ask Complete Plumbing Works to provide current proof of workers compensation insurance or explain their coverage arrangement, and verify with your homeowner's insurance whether you have liability exposure for uninsured contractor injuries
- → Request recent customer references from Complete Plumbing Works for projects similar to yours, and actually call them to ask about communication, pricing transparency, and work quality
- → Ask both contractors about their warranty terms and how they handle callbacks if issues arise after completion
- → Clarify Complete Plumbing Works' pricing structure and when you'll receive a final cost estimate compared to Oak Plumbing's flat-rate approach
The Bottom Line
Oak Plumbing is the lower-risk choice for most homeowners. The workers compensation coverage alone addresses a significant liability concern that Complete Plumbing Works cannot, and Oak Plumbing backs this with documented customer service strengths including responsiveness, thorough diagnostics, and transparent pricing. While Complete Plumbing Works has seven more years of experience, this advantage matters less without customer feedback to verify service quality and with the insurance gap creating potential liability. Choose Oak Plumbing unless you have an unusually complex situation requiring maximum experience and you're willing to personally verify Complete Plumbing Works' insurance coverage and obtain detailed references.
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Frequently Asked Questions
Experience and insurance serve different purposes. While 16 years suggests Complete Plumbing Works has encountered complex situations, workers compensation protects you from financial liability if someone gets hurt at your home. These seven additional years of experience don't eliminate the risk that you could be held responsible for medical bills and lost wages if a worker is injured and the company lacks coverage. Check with your homeowner's insurance about your actual exposure.
Nine years of licensed operation is solidly in the experienced category, not new. This represents nearly a decade of navigating code requirements, diagnosing problems, and handling complications. Customer feedback confirms they've successfully completed complex projects like whole-house repiping and leak detection alongside routine repairs. For most residential plumbing needs, 9 years provides adequate exposure to handle complications effectively.
Some established contractors simply haven't prioritized online reviews or may serve primarily commercial clients or work through referral networks. It's not inherently negative, but it means you're making a decision without seeing how previous customers experienced their communication, pricing, and service quality. You'll need to request and verify references directly to fill this information gap.
Diamond Certification requires passing performance standards and ongoing customer satisfaction verification through independent surveys. It's not just a one-time badge but requires maintaining service quality over time. This provides third-party confirmation that Oak Plumbing meets specific customer service benchmarks, which offers more assurance than self-reported claims alone.
Looking for the Best?
See our ranked list of top plumbing contractors in Solano.
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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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