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All Phase Plumbing vs Allstar Plumbing
Santa Clara Plumbing Contractors Comparison · Updated March 2026
Both are veteran plumbers with 20+ years experience, but Allstar carries workers compensation while All Phase does not.
| All Phase Plumbing | Allstar Plumbing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.8 |
| Years Licensed | 20 years | 29 years |
| License # | 867734 | 732611 |
| Workers' Comp | — | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Campbell, CA | San Jose, CA |
| Website | www.allphaseplumbinginc.com | goallstar.com |
Key Differences
What Customers Say
All Phase Plumbing
Customers emphasize All Phase's accessibility and direct communication, with calls answered promptly and straightforward scheduling leading to repeat business relationships.
Allstar Plumbing
Customers highlight Allstar's rapid emergency response and diagnostic thoroughness, with technicians often arriving within an hour and solving complex problems efficiently.
Key Takeaway: All Phase builds loyalty through communication ease and personal touch, while Allstar earns repeat business through speed and technical problem-solving on challenging repairs.
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...
Allstar Plumbing
Great job Luis I give a 10
Joe L. Provided a great services and very satisfied with the work he did.
Joe was a great technician that new his job very well. He did a great job in letting us know what was happening with all of the repairs. You have a great company that is very helpful and professional....
Consider All Phase Plumbing if...
- ✓ You prioritize direct communication with the business owner and value companies where your call gets answered immediately without phone tree navigation
- ✓ Your project is scheduled maintenance or a non-emergency installation where same-day response isn't critical
- ✓ You've confirmed with your homeowner's insurance that you're adequately covered for contractor injuries, or the plumber will be working alone without helpers
- ✓ You're a repeat customer or property manager building a long-term relationship with a responsive local contractor
Consider Allstar Plumbing if...
- ✓ You need emergency plumbing service and want a company that can dispatch someone within an hour
- ✓ Workers compensation coverage is non-negotiable for you, either for liability protection or peace of mind
- ✓ Your project involves complex diagnostics or challenging repairs where an additional 9 years of market experience could matter
- ✓ You want the insurance protection that comes with a fully covered workforce on your property
Questions to Ask Before Hiring
- → For All Phase: Ask directly about liability coverage and confirm with your homeowner's insurance whether you're protected if a contractor without workers comp is injured on your property
- → For both companies: Ask how they handle complications that arise mid-project, especially on older homes where hidden damage might be discovered
- → For Allstar: Ask about typical response times for non-emergency scheduled work to understand if their emergency speed applies to routine projects
- → For All Phase: Ask whether the owner personally handles your project or how crew supervision works without workers comp on file
The Bottom Line
Allstar Plumbing has the clearer overall advantage for most homeowners: 9 additional years of experience, full workers compensation coverage that protects you from liability, and documented strength in emergency response. Choose them unless you specifically value All Phase's direct-answer communication style and have confirmed your insurance situation. If you hire All Phase, verify your homeowner's policy covers contractor injuries and consider whether the specific technician coming to your home will be working alone or with helpers. For emergency situations, Allstar's same-day response capability makes them the obvious choice.
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Frequently Asked Questions
For straightforward fixture replacements or simple leak repairs, both companies have more than enough experience. The gap becomes relevant when dealing with older homes where problems layer on top of each other—corroded pipes behind walls, outdated venting that doesn't meet current code, or drain issues that require diagnosing the entire system. An additional decade means more encounters with unusual complications and building code changes.
If a worker is injured on your property and the company lacks workers comp, they could potentially file a claim against your homeowner's insurance, which may not fully cover workplace injuries. Even if your policy covers it, a claim could affect your rates. The risk increases with crew size and job complexity—a solo plumber changing a faucet carries less risk than a multi-person crew doing sewer line excavation.
Not necessarily. All Phase customers specifically praise easy scheduling and on-time arrivals for appointments. Allstar's strength is mobilizing quickly for same-day emergencies, often within an hour. For scheduled maintenance or planned installations, both companies appear reliable based on customer feedback about punctuality and professionalism.
Both companies receive consistent feedback about fair, competitive pricing and transparent quoting practices. Neither shows a pattern of being notably cheaper or more expensive in customer reviews. Request detailed written estimates from both that break down labor and materials, and compare not just the total but what's included in warranty and follow-up service.
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See our ranked list of top plumbing contractors in Santa Clara.
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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 07, 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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