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Pro Roto vs Stellar Plumbing
San Mateo Plumbing Contractors Comparison · Updated March 2026
Two veteran plumbers with similar credentials but different service profiles: Pro Roto specializes in emergency response and complex projects, while Stellar Plumbing focuses on scheduled appointments and routine work.
| Pro Roto | Stellar Plumbing | |
|---|---|---|
| Rating | ★ 4.9 | ★ 5.0 |
| Years Licensed | 16 years | 20 years |
| License # | 947961 | 863322 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Redwood City, CA | Brisbane, CA |
| Website | proroto.com | stellarplumbinginc.com |
Key Differences
What Customers Say
Pro Roto
Pro Roto's customers consistently emphasize rapid emergency response times, camera diagnostic technology, and experience handling complex projects like sewer line replacements and pipe system overhauls.
Stellar Plumbing
Stellar Plumbing's customers focus on punctual scheduled appointments, clear explanations, and professional service for routine repairs and fixture installations.
Key Takeaway: Pro Roto has built an emergency response business model with same-day urgent service, while Stellar Plumbing operates as a scheduled appointment service focused on planned routine work.
Customer Reviews
Pro Roto
Great company very knowledgeable and fast service
Issac came over to clear my clean out drain. Looks like eventually I'll need to have the pipe out to the street replaced. So thankful for Issac explaining options. He is easy to work with. Great job!
I had a complicated plumbing issue in my bathroom. The technician from PRO ROTO did an inspection and found couple of leaks and damaged pipes. He professionally replaced everything and installed new p...
Stellar Plumbing
Carter is an experienced professional who's on time and always fixes any issues we are having. Highly recommend!
Great experience from start to finish. Scheduling the appointment was easy, they arrived right on time, and Lan was extremely knowledgeable. Everything was explained clearly and the work was done effi...
Super happy with our upgraded kitchen faucet and water filtration system! Highly recommended professional service!
Consider Pro Roto if...
- ✓ You're dealing with an emergency situation like a sewage backup, major leak, or drain failure requiring immediate response within hours rather than days
- ✓ Your home has older plumbing infrastructure that may need camera inspection to diagnose hidden damage in sewer lines or main drains
- ✓ Your project involves complex work like sewer line replacement, cast iron pipe repair, or galvanized pipe replacement requiring specialized experience
- ✓ You value having access to diagnostic technology and transparent explanations of problems discovered during inspection
Consider Stellar Plumbing if...
- ✓ Your plumbing needs are routine and non-urgent, allowing you to schedule appointments in advance without time pressure
- ✓ You're planning straightforward projects like faucet upgrades, fixture replacements, or water filtration system installations
- ✓ Predictable scheduling and guaranteed on-time arrival matters more to you than emergency availability
- ✓ Your project doesn't require specialized diagnostic equipment or complex troubleshooting
Questions to Ask Before Hiring
- → Ask Pro Roto about their typical emergency response time for your specific area and whether they charge premium rates for urgent calls
- → Ask Stellar Plumbing whether they handle emergency calls outside scheduled appointments and what their availability looks like for urgent situations
- → Request references from both companies for projects similar to yours in scope and complexity
- → Clarify each company's warranty policies on parts and labor for the specific work you need performed
The Bottom Line
Choose Pro Roto if you're facing an emergency, need complex work like sewer line replacement, or want camera diagnostic capability. Their 16-year track record centers specifically on rapid response and complicated projects requiring specialized equipment. Choose Stellar Plumbing if you're planning routine repairs or fixture installations on a non-urgent timeline and value predictable scheduled appointments. Both companies maintain full licensing, insurance, and bonding, but Pro Roto's service model clearly suits urgent and complex situations while Stellar excels at planned routine work.
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Frequently Asked Questions
Both companies qualify as veterans with extensive experience, so the four-year gap is less significant than their different service focuses. Pro Roto's 16 years includes substantial complex project work like sewer replacements, while Stellar's 20 years centers on routine repairs. For emergency or complex work, Pro Roto's specialized experience matters more than the extra years Stellar holds.
Pro Roto is clearly positioned for emergency response, with customer feedback consistently mentioning arrival within hours or even 30-60 minutes for urgent calls. Stellar Plumbing's reviews emphasize scheduled appointment punctuality without mentions of emergency availability, suggesting their model focuses on planned service calls rather than urgent response.
Pro Roto specifically uses camera inspection technology according to customer feedback, and handles numerous sewer line projects requiring diagnostic work. Stellar Plumbing's customer reviews don't mention camera inspection or complex diagnostic work, focusing instead on visible repairs and installations.
The data doesn't provide specific pricing comparisons, but Pro Roto's customers mention transparent and fair pricing with some noting favorable comparisons to competitors. Given Pro Roto's emergency response capability and complex project focus, you should request quotes from both companies for your specific project to compare pricing directly.
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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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