24/7 Emergency
9.1

Mike Testa Plumbing

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4244 Redwood Hwy, San Rafael, CA 94903 37 Years in Business

Bay Area Service Hub Review

37 years in business, specializing in leak detection, water heaters, and complex repairs in Marin County. Distinguished by 24 consecutive years of Diamond Certified status and a reputation for exceptional workmanship, though independent ratings note higher-than-average pricing. Best for homeowners prioritizing guaranteed quality and long-term reliability over low cost.

Evaluation Scores

Workmanship
9.5
Quality of work performed
Customer Service
9.0
Responsiveness & communication
Pricing
6.5
Clear & honest pricing
Reliability
9.0
Consistency & dependability
Expertise
9.5
Technical skills & certifications
Warranty Support
9.0
Post-service coverage

Essential Q&A

What makes this contractor stand out?
They hold one of the longest consecutive Diamond Certified statuses (24 years) in the region, verifying sustained high quality over decades.
Who should hire this contractor?
Homeowners who want a 'one-and-done' solution for complex issues and are willing to pay a premium for verified expertise.
Insider tip
They charge for travel time and have a minimum labor charge, so grouping multiple small repairs into one visit is the most cost-effective strategy.

Frequently Asked Questions

Is this contractor licensed and insured in California?
Yes. License #519618 is active with a $25,000 contractor bond and workers' compensation coverage on file.
Does this company offer 24/7 emergency services?
No. While they offer priority emergency scheduling, it is limited to business hours (Mon-Sat, 7:30 AM – 4:00 PM) rather than 24/7.
What kind of warranty is provided on their workmanship?
They provide a 1-year warranty on new installations and a labor guarantee ranging from 90 days to 1 year depending on the specific job.
Do they provide free estimates or flat-rate pricing?
Yes, they offer free estimates and emphasize honest, upfront pricing with no hidden fees.
How long has this business been serving the Bay Area?
Serving the Bay Area for over 35 years since being founded in 1989.
Are their technicians background-checked and certified?
Yes, employment records indicate technicians are background checked, drug tested, and receive regular training.

Platform Scorecard

Cross-platform reputation comparison

G Google
4.4 /5
28 reviews
Y Yelp
4.4 /5
91 reviews
BBB BBB
A+
0 complaints (3 yr)
Diamond Certified
Certified 24 years
679 verified surveys
Checkbook.org
80%
superior rating
32 ratings

Services Offered

Backflow Prevention Testing Drain Cleaning Fixture Installation Gas Line Services Leak Detection Pipe Repair Sewer Line Service Water Heater Installation Water Heater Repair

Areas of Expertise

Backflow Testing Leak Detection Tankless Water Heaters

Certifications

Backflow Prevention Certified Diamond Certified

Authorized Dealer

Insinkerator Kohler Moen Navien State Water Heaters TOTO

Service Areas

Marin County Novato San Rafael Sausalito Sonoma County Tiburon

Professional Memberships

Better Business Bureau

License Details

Status Active
Classifications
C-36 - Plumbing C-16 - Fire Protection
Issue Date 1989-10-18
Expires 2027-10-31
Bond Amount $25,000
Workers Comp Active
Disciplinary Actions None

Verify This Information

All data sourced from official platforms

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