Marin Mechanical
Backflow testing. 3100 Kerner Blvd # B1, San Rafael, CA 94901
Approvals
| Certified tester | Certificate |
|---|---|
| Timothy J Fiero |
Price reports
What a backflow test costs in San Rafael
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Published prices nationwide
$29.99 to $100 per assembly
Every published price, with its source: what a backflow test costs.
Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.
What Marin Mechanical's website says
Services listed on Marin Mechanical's website, read October 11, 2026: backflow testing, backflow installation and replacement, general plumbing, water heaters and drain and sewer service. marinmechanical.com
| It says | Details | Page |
|---|---|---|
| Service area | Marin, Sonoma, Napa, San Francisco, Alameda and Contra Costa counties; San Rafael, Linda and San Anselmo | marinmechanical.com |
| Emergency service | Offered, it says (hours not stated) | marinmechanical.com |
| Founding year | Founded in 1993 | marinmechanical.com |
Read on marinmechanical.com on October 11, 2026 (4 pages). This is what the business says about itself.
Where you will find Marin Mechanical
These are the city pages close enough for this business to appear on.
- San Rafael, CA(1 mi)
- Hercules, CA(14 mi)
- San Francisco, CA(15 mi)
- Oakland, CA(18 mi)
- South San Francisco, CA(22 mi)
- Petaluma, CA(22 mi)
- Martinez, CA(23 mi)
- San Leandro, CA(24 mi)
Other backflow testers nearby
| Business | Services | Distance |
|---|---|---|
| Grier Argall Plumbing, Inc. | Backflow Testing | 1 mi |
| Mike Testa Plumbing, Inc. | Backflow Testing | 4 mi |
| Alansi’s Rooter & Plumbing | Backflow Testing | 8 mi |
| Nerviani’s Backflow Testing & Repair | Backflow Testing | 9 mi |
| Olivero Plumbing Co., Inc. | Backflow Testing | 10 mi |
| AAA Backflow Testing LLC | Backflow Testing | 12 mi |
Questions about Marin Mechanical
Is Marin Mechanical approved to test backflow assemblies?
Marin Mechanical is on the San Francisco authorized testers and North Marin Water District list, as of August 14, 2026. That means the utility lets the company file backflow test reports in its system; it is not a state license. Ask for the tester's certificate number before the test.
What does Marin Mechanical do?
Their listing covers backflow testing. Call to confirm the service you need, because offerings change.
What areas does Marin Mechanical serve?
They are based in San Rafael, California, within driving distance of San Rafael, Hercules, San Francisco, Oakland, South San Francisco. Its website names Marin, Sonoma, Napa, San Francisco, Alameda and Contra Costa counties and San Rafael, Linda and San Anselmo as areas it serves (read October 11, 2026).
How do I reach Marin Mechanical?
Call (415) 485-4472. Their website is linked on this page.
Compiled from public records and public business information. Not an endorsement. Check licensing before you hire.
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