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Cal Pacific Systems vs San Francisco Plumbing Company
San Mateo Plumbing Contractors Comparison · Updated March 2026
San Francisco Plumbing Company brings 49 years of continuous licensing versus Cal Pacific Systems' 17 years, with established customer feedback showing professional workmanship.
| Cal Pacific Systems | San Francisco Plumbing Company | |
|---|---|---|
| Rating | ★ 3.7 | ★ 3.9 |
| Years Licensed | 17 years | 49 years |
| License # | 924244 | 323223 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Brisbane, CA | Brisbane, CA |
| Website | www.calpacificsystems.com | www.sfplumbingcompany.com |
Key Differences
What Customers Say
San Francisco Plumbing Company
Customers consistently praise professional workmanship, thorough cleanup, and responsive owner communication, with occasional concerns about office scheduling coordination.
Key Takeaway: San Francisco Plumbing Company has documented customer feedback establishing service patterns, while Cal Pacific Systems lacks verifiable customer experience data.
Customer Reviews
Cal Pacific Systems
Paul was very easy to work with
San Francisco Plumbing Company
Our kitchen sink was clogged, call sf plumbing and Sean sent out a plumber And he had sink unclogged and cleaned sink Cleaner than it's ever been. Very professional
Shan, the owner is a great guy. He has just finished a job on my commercial property and did a great job. He was very responsive , punctual. He gave me free consultation at first and when I signed the...
Great experience. Prompt response to a plumbing issue, great customer experience, and trust worthy people. Very happy and will use them again.
Consider Cal Pacific Systems if...
- ✓ You're working with a general contractor who specifically recommends Cal Pacific Systems and can vouch for their work quality firsthand
- ✓ Your project falls outside plumbing specialization and requires Cal Pacific's broader contractor capabilities
- ✓ You've obtained direct references from Cal Pacific clients and verified their workmanship meets your standards
Consider San Francisco Plumbing Company if...
- ✓ Your project involves older plumbing systems where diagnosing hidden issues requires deep experience with regional construction history
- ✓ You want documented evidence of customer satisfaction and workmanship quality before hiring
- ✓ You need plumbing-specific expertise for commercial projects or complex residential repairs
- ✓ You value contractor longevity as an indicator of business stability and local reputation
Questions to Ask Before Hiring
- → Ask Cal Pacific Systems for at least three recent references from projects similar to yours, and follow up with those customers about workmanship quality and communication
- → Ask San Francisco Plumbing about their current scheduling process and typical response times given the office staffing limitations mentioned in reviews
- → Ask both companies how they handle project complications or unexpected issues discovered during work
The Bottom Line
For plumbing-specific work, San Francisco Plumbing Company is the stronger choice based on 49 years of continuous specialization and documented customer feedback showing professional workmanship and responsive owner involvement. The occasional scheduling communication delays are manageable compared to the advantage of verified work quality and deep experience with regional plumbing systems. Consider Cal Pacific Systems only if you need general contracting capabilities beyond plumbing or have direct references that demonstrate their plumbing competency specifically.
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Frequently Asked Questions
For simple repairs with visible problems, the gap matters less. However, if your project involves older systems, hidden damage, or complex diagnostics, San Francisco Plumbing's 49 years means they've seen virtually every plumbing configuration and failure pattern in the region. That pattern recognition helps avoid misdiagnosis and unnecessary work.
This could reflect different marketing approaches, recent business model changes, or simply that Cal Pacific works primarily through referrals without requesting online feedback. The concern is you cannot verify customer service patterns or workmanship quality independently. Request direct references to fill this gap before hiring.
Reviews indicate limited office staffing sometimes affects callback speed, but the owner maintains responsive communication on active projects. If you need immediate scheduling certainty, ask upfront about their current workload and expected response times. The technical work quality itself receives consistent praise.
The data describes Cal Pacific as a general contractor, while San Francisco Plumbing specializes specifically in plumbing work. For dedicated plumbing projects, a specialist typically brings deeper trade-specific knowledge. Verify Cal Pacific's specific plumbing credentials and experience if your project requires plumbing expertise.
Looking for the Best?
See our ranked list of top plumbing contractors in San Mateo.
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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 10, 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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