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All Phase Plumbing vs Cupertino Plumbing
Santa Clara General Contractors Comparison · Updated March 2026
Cupertino Plumbing brings 14 additional years of experience and carries workers compensation insurance, while All Phase lacks worker protection coverage.
| All Phase Plumbing | Cupertino Plumbing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.9 |
| Years Licensed | 20 years | 34 years |
| License # | 867734 | 624905 |
| Workers' Comp | — | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Campbell, CA | Campbell, CA |
| Website | www.allphaseplumbinginc.com | www.cupertinoplumbing.com |
Key Differences
What Customers Say
All Phase Plumbing
All Phase customers consistently praise prompt call answering, transparent pricing, and ease of scheduling with professional service across fixture replacements and installations.
Cupertino Plumbing
Cupertino customers highlight quick scheduling for urgent needs, thorough explanations of problems, and long-term relationships spanning decades for both routine and complex plumbing work.
Key Takeaway: While both earn praise for professionalism and punctuality, Cupertino customers specifically mention multi-decade relationships and confidence in handling major projects like whole-house repiping, suggesting deeper trust for complex work.
Customer Reviews
All Phase Plumbing
My dad was a Master plumber so my standards for a great plumber are HIGH😀 but Rod and the whole team at All Phase have never once disappointed me. Dealing with repairs is one of the most frustrating a...
Fantastic. Did not charge a "show up" fee to come onsite and provide a quote. Gave a very reasonable price quite and did the work on the spot. Did an outstanding job. Cleaned up the work area. Coul...
I absolutely whole heartedly recommend All Phase Plumbing to anyone looking for a responsive, thoughtful, professional, and competitively priced plumber. Any time I called them they answered. Not infi...
Cupertino Plumbing
Very friendly and knowledgeable. Did a stellar job replacing my kitchen faucet.
Cupertino Plumbing fixed two issues - on two separate visit weeks apart 1) Post the washer cycle, while being drained, the water was coming out of the pipe next to the washer 2) When the dishwasher cy...
Amazing customer service and value! Highly recommend.
Consider All Phase Plumbing if...
- ✓ You're handling straightforward projects like fixture replacements, faucet installations, or tankless water heater installations where the scope is clear and contained
- ✓ Direct phone access and immediate scheduling responsiveness are top priorities for you, as customers specifically highlight All Phase's prompt call answering
- ✓ You're willing to verify your homeowner's insurance covers contractor injuries and accept that liability consideration in exchange for competitive pricing
- ✓ Your home is newer construction where hidden complications during plumbing work are less likely
Consider Cupertino Plumbing if...
- ✓ You're planning major work like whole-house repiping, sewer line replacement, or complex bathroom remodels where experience diagnosing hidden damage matters significantly
- ✓ Workers compensation coverage is non-negotiable for you, as you want clear liability protection if someone is injured during your project
- ✓ Your home is older and complications like corroded pipes, outdated materials, or unexpected structural issues may emerge during plumbing work
- ✓ You value a contractor with three decades of institutional knowledge and customer relationships spanning 20-30 years, suggesting sustained quality and reliability
Questions to Ask Before Hiring
- → For All Phase: Ask explicitly what happens if a worker is injured at your home, and confirm with your homeowner's insurance whether contractor injuries are covered under your policy
- → For both companies: Request references from projects similar in scope to yours, particularly if you're planning major work like repiping or sewer replacement
- → For All Phase: Ask whether they carry general liability insurance separate from workers comp, and what the coverage limits are
- → For both companies: Ask how long their current plumbing crew has worked together and who specifically will be on-site for your project
The Bottom Line
For most homeowners, Cupertino Plumbing is the safer choice with 34 years of experience, workers compensation coverage, and proven expertise handling complex projects like whole-house repiping. The insurance gap alone is significant—you don't want liability exposure if someone gets hurt. All Phase remains a legitimate option if you're handling straightforward fixture work, can verify your homeowner's insurance covers contractor injuries, and prioritize direct phone access. But for major projects or older homes where complications arise, Cupertino's additional 14 years of experience and full insurance coverage provide meaningful protection worth any modest price difference.
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Frequently Asked Questions
For straightforward fixture replacements or standard installations, both companies have sufficient experience. The gap becomes meaningful for complex projects like whole-house repiping or older homes where 34 years means Cupertino has navigated more scenarios involving hidden corrosion, outdated materials, and structural complications. More experience translates to better judgment when unexpected issues emerge mid-project.
If a worker is injured at your property, your homeowner's insurance may be liable for medical expenses, lost wages, and potentially legal costs. This risk is real but depends on your specific policy. Before hiring All Phase, call your insurance agent to confirm coverage and understand your deductible and liability limits if a contractor injury occurs.
Both companies receive consistent feedback for fair and competitive pricing. All Phase customers specifically mention transparent quoting and competitive rates, while Cupertino customers highlight fair pricing alongside technical expertise. The data suggests pricing is comparable, though you should get written estimates from both for your specific project to compare directly.
Both demonstrate strong responsiveness, but with different strengths. All Phase is noted for answering calls promptly without wait times, while Cupertino receives specific praise for same-day and next-day scheduling for urgent issues. Both arrive on time and handle emergency work, so either would likely serve you well in urgent situations.
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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 08, 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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