Our Services
Plumbing Services in Marin County
A Diamond Certified plumbing company you can trust for service, repair, and remodels.
Mason Plumbing handles the full range of residential and commercial plumbing in Marin County, from a clogged drain to a full kitchen remodel. We are fully licensed, bonded, and insured, Diamond Certified for 10 consecutive years, and backed by a 2-year labor warranty. Our small size means the owner is involved in every job and quality control never gets delegated.
Sewer & Drain Cleaning
Sewer snakes, drain machines, and high-pressure hydro jetting to clear clogs and root intrusion.
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Plumbing Inspections
Sewer cameras and full assessments to accurately diagnose drains, water heaters, and water systems.
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Water Heater Service
Repair and installation of tank and tankless water heaters that save water and up to 35% on gas.
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Recirculating Pumps
Continuous hot water on demand while saving roughly 11,461 gallons of water per year.
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Water Conservation
High-efficiency toilets and water-saving upgrades that lower your utility bills.
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Leak Detection & Repair
We find and fix leaks fast — from visible pipe failures to hidden slab leaks — before they cause major damage.
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Plumbing Remodels
Full-service remodel plumbing for kitchens, bathrooms, and additions. Licensed and backed by a 2-year labor warranty.
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Seismic Gas Shut-Off Valves
Automatic valves that cut off gas flow after an earthquake, virtually eliminating the risk of fire from a broken pipeline.
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Garbage Disposals
Repair and replacement for all major brands, including InSinkErator. New installs welcome.
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Marin County’s trusted plumber is one call away.
Family-owned since 2003. Diamond Certified. Licensed, bonded, and insured. Give us a call or send a message.