Top Rated Sewer Line Contractors Serving Marin County, CA

If you really care about choosing a quality sewer line contractor, we’re here for you. Here’s your access to the best sewer line contractors serving Marin County including 94901, 94941, 94903, 94947 and 94945. These sewer line specialists provide sewer line excavations and sewer drain cleaning, and they also work on sewer line replacement, sewer line repair and sewer line leak detection. For 22 years we’ve conducted the most accurate ratings and deepest research of local contractors, so you’ll be confident in choosing.

  • Last Updated Mar 04, 2026
  • 29,553 people sourced companies in Sewer Line Contractor
    5,636 Verified Sewer Line Contractor Customers Surveyed
5,636
29,553
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Mike Testa Plumbing, Inc. provides a variety of general plumbing services for residential, commercial and industrial clients throughout Marin County. ...
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Main Services

Plumbing
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Additional Services

Residential/Commercial, Line Locating, New Construction/Remodels, Service/Repair, Drain Cleaning, Repiping, Sewer Video Inspection, Leak Detection, Backflow Testing, Water Heaters

Brands

Insinkerator, Kohler, Moen, State Water Heaters, TOTO, Navien, Hansgrohe, Grohe, Bradford White, A. O. Smith

Coverage Areas

Marin County, Surrounding Communities

Established in 1989
Established in 1989
Free Estimates
Free Estimates
Appointments Available
Appointments Available
Live Phone Call Answers
Live Phone Call Answers
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4244 Redwood Hwy, San Rafael, CA 94903
Hours CLOSED NOW
License:
519618
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Moore Home Services specializes in the installation of energy-efficient replacement systems. The company services, repairs, and installs all types and...
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Main Services

Heating & Air Conditioning
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Plumbing

Additional Services

Residential Air Conditioning and Heating, Including Maintenance, Repair and Equipment Replacement; Ductwork; Zoning; Air Filtration; Indoor Air Quality System Installation; Insulation; ThermaShield Radiant Barrier Installation; Water Heaters; Tankless Water Heaters; Water Filtration Systems; Water Conditioning Systems; Plumbing Maintenance, Repair and Replacement; Sewer Replacement; Drain Clearing; Hydro Jetting Services

Coverage Areas

Sonoma County, Marin County, Napa County

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Hours CLOSED NOW
License:
1051850
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Mason Plumbing, Inc. provides a wide range of plumbing maintenance and repair services for residential and commercial clients throughout Marin County....
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Main Services

Plumbing
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Additional Services

Plumbing Maintenance & Repair, Sewer & Drain Cleaning, Video Pipe Inspections, Tankless Water Heaters

Brands

American Standard, Bradford White, Delta, Grohe, Insinkerator, Jacuzzi, Pfister, Rinnai, Takagi, TOTO

Coverage Areas

Marin County

Family Owned
Family Owned
Residential & Commercial
Residential & Commercial
Free Estimates
Free Estimates
Live Phone Call Answers
Live Phone Call Answers
  • Quick Connect
Hours CLOSED NOW
License:
817803
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Benjamin Franklin Plumbing provides trusted residential plumbing services and repairs throughout the Greater Bay Area. From fixing drains, sinks, toil...
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Main Services

Plumbing
loarrowgo

Additional Services

Plumbing Service & Repair, Drain Cleaning, Repiping, Sewer Cleaning & Replacement, Solar & Tankless Water Heaters

Brands

Navien

Coverage Areas

The Greater Bay Area

Established in 2001
Established in 2001
Senior Discount
Senior Discount
Residential & Commercial
Residential & Commercial
Weekend Hours
Weekend Hours
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Hours CLOSED NOW
License:
857357
Learn how to choose a Sewer Line Contractor and more…
Diamond Certified Sewer Line Contractors In Marin County

Diamond Certified sewer line contractors serving Marin County are rated an average of 4.4 out of 5 stars based on 652 reviews of 68 rated sewer line contractors.
Diamond Certified sewer line contractors in Marin County Avg. Star Rating.

    Map of Marin County, CA

    Marin County was founded in 1775, and today, your 252,409 neighbors use sewer line contractors for sewer inspection, sewer line repair, sewer line video inspections, sewer line installations, sewer line replacement, and more.

    Frequently Asked Questions for Sewer Line Contractor in Marin, CA
    Q: What are clients of Diamond Certified sewer line contractors saying about contractors in Marin County, CA?
    A: Verified Mike Testa Plumbing, Inc. Customer, 1 of 679
    "He's very reliable and when you call, he always returns phone calls. He has no answering service and you always talk to the same person every time you call. He's personable, clean, does good work, and he's just really a good guy." - Joe F.
    All Survey Responses for Mike Testa Plumbing, Inc.
    Verified Moore Home Services Customer, 1 of 425
    "They were reasonably priced and they helped me get a new furnace right after my husband passed away. I was very happy with the manager who came and set it up. They were very timely. Their service and price were very reasonable." - Julie C.
    All Survey Responses for Moore Home Services
    Verified Mason Plumbing, Inc. Customer, 1 of 252
    "They're very professional, and theyve done a wonderful job. We are extremely satisfied. If you have any problems, plumbing or contractual problem, call Mason. They'll fix the plumbing and give you a referral if they can't address the contract work. I asked him about electrical contractors just for a backup in case we have any electrical problems. I hadn't thought about the storm, and he gave me a couple of names and recommended them highly. I like his professionalism. He as a person is very, very congenial and very knowledgeable. He explains everything and does the work himself. He's been here a number of times, and he's been very professional, his staff as well. As far as I'm concerned, they're 100 percent." - Richard P.
    All Survey Responses for Mason Plumbing, Inc.
    Verified Benjamin Franklin Plumbing Customer, 1 of 431
    "They have come out two or three times. They are outstanding people. They are competent, efficient, and very informative. They are also very thorough and clean. They did superb work. They are very particular about getting there on time and they call ahead and give you the service technician's name. They also follow up after the job is done, outstanding customer service." - Susan V.
    All Survey Responses for Benjamin Franklin Plumbing
    Q: What are some of the most popular brands that Diamond Certified sewer line contractors use when working with Marin County residents?
    A: Diamond Certified sewer line contractors use top-quality brands like LSP Products Group, Flex-Drain, Fernco Pow-R Wrap, Cobra Products and Little Giant.
    Q: What types of sewer line video inspections do sewer line contractors offer?
    A: Sewer line contractors offer various types of sewer line video inspections including main line video inspection, secondary line inspection, and lateral line inspection. The main line video inspection is used to check the condition of the sewer line from the house to the city sewer or septic tank. Secondary line inspection is used to inspect smaller drain lines which lead from the kitchen, bathroom, or laundry to the main sewer line. Lateral line inspection checks the condition of the sewer line from the house to the property line. These inspections help to identify blockages, damage, corrosion, leaks, or other issues in the sewer lines.
    Q: Can Diamond Certified sewer line contractors work with Fernco products and similar items so I can get sewer line excavations in Marin County?
    A: Yes, Diamond Certified sewer line contractors can work with Fernco products and similar items for sewer line excavations in Marin County.
    Q: What did people search for when they wanted to find the best quality sewer line contractors in Marin County?
    A: Sewer Line Grease Trap Installations
    Sewer Line Video Inspections
    Sewer Line Upgrades
    Sewer Line Leak Detection
    Hydro Jetting