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All Phase Plumbing vs Cupertino Plumbing
Santa Clara Plumbing Contractors Comparison · Updated March 2026
Cupertino Plumbing brings significantly more experience (34 vs 20 years) and carries workers compensation insurance, which All Phase Plumbing lacks.
| 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
Customers consistently highlight All Phase Plumbing's exceptional phone accessibility and responsive communication, with technicians answering calls promptly and making scheduling straightforward.
Cupertino Plumbing
Cupertino Plumbing customers emphasize the company's quick emergency response with same-day availability and thorough project communication, with relationships often spanning decades.
Key Takeaway: While both companies receive praise for communication, All Phase stands out for immediate phone accessibility, whereas Cupertino is noted for rapid scheduling of emergency appointments and handling more complex, large-scale projects.
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 need straightforward repairs or installations like fixture replacements, faucet work, or tankless water heater installs where project complexity is moderate
- ✓ Direct phone accessibility is your top priority, as customers consistently praise All Phase for answering calls without extended wait times
- ✓ You're willing to verify your homeowner's insurance covers contractor injuries and accept the liability exposure from the missing workers comp coverage
- ✓ Competitive pricing with transparent quoting matters more to you than the additional experience and insurance protection
Consider Cupertino Plumbing if...
- ✓ You want complete liability protection through workers compensation insurance, eliminating risk to your homeowner's policy if someone gets hurt
- ✓ Your project is complex—whole-house repiping, commercial work, or older plumbing systems where 34 years of experience diagnosing hidden damage provides meaningful value
- ✓ You need emergency service with same-day response capability for urgent plumbing failures
- ✓ You prefer a contractor with the deepest possible experience base for unforeseen complications, code interpretations, or rare plumbing configurations
Questions to Ask Before Hiring
- → For All Phase Plumbing: Ask specifically about liability coverage and confirm with your homeowner's insurance whether contractor injuries are covered under your policy, and if filing a claim would affect your rates
- → For both companies: Request references from projects similar in scope to yours, particularly if you're planning complex work like repiping or sewer line replacement
- → Ask how long their current technicians have been with the company and what continuing education they complete on new plumbing technologies
The Bottom Line
Cupertino Plumbing is the clearer choice for most homeowners. The 34 years of experience versus 20 provides meaningful additional expertise for complex projects and problem diagnosis, and the workers compensation insurance eliminates liability risk to your homeowner's policy. All Phase Plumbing remains a viable option if you're handling straightforward repairs, prioritize immediate phone accessibility, and after consulting your insurance agent are comfortable with the workers comp gap. For any major project or if risk protection matters to you, Cupertino's complete coverage and deeper experience base justify choosing them.
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Frequently Asked Questions
For straightforward work like faucet replacements or basic leak repairs, both companies have sufficient experience. The gap becomes meaningful for older homes with outdated plumbing systems, complex diagnostics where hidden damage may exist, or major projects like whole-house repiping where decades of pattern recognition help anticipate complications before they become expensive surprises.
If a worker is injured at your property, your homeowner's insurance may become the primary coverage, potentially leading to a claim on your policy. This could affect your rates or result in out-of-pocket costs depending on your coverage limits. Before hiring, call your insurance agent to understand your specific exposure and whether you're comfortable with that risk.
Customer feedback suggests both respond professionally to urgent issues. Cupertino Plumbing is specifically noted for same-day and next-day scheduling on emergencies, while All Phase is praised for answering calls promptly without long wait times. Both demonstrate capacity for quick response, though Cupertino's larger operation may provide more scheduling flexibility during peak periods.
Both companies receive consistent feedback for fair and competitive pricing. Customer reviews don't indicate a significant price gap between them. The decision shouldn't be primarily about cost—focus instead on the workers comp coverage difference and which company's experience level matches your project complexity and risk tolerance.
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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 12, 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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