Mason Plumbing San Anselmo CA

Business Overview

Mason Plumbing San Anselmo CA is a licensed and bonded family plumbing company serving Marin County since 2003. They handle both residential and commercial work, from small repairs in older Victorian homes to full repipes in newer ranch-style and coastal properties.

The company offers emergency response for urgent leaks and sewer backups and keeps an on-call system for after-hours problems. Staff size varies by project, with trained service technicians and certified installers available for most jobs.

Key Services

Work is grouped around common homeowner needs and larger building projects. Main service areas include:

• Drain & sewer: drain cleaning, sewer video inspections, sewer repair and installation.
• Water heaters: water heater and tankless installs, repairs, and hot water recirculation pumps.
• Fixtures & appliances: faucet, sink, shower, bathtub and toilet installation and repair, plus garbage disposal service.
• Gas & piping: gas line installation and repair, gas pipe testing, and earthquake gas shut-off valves.
• Plumbing systems: repiping, water filtration, pressure regulators, backflow valves, and plumbing inspections.

Areas Served

They serve a wide area across Marin and nearby counties. Typical service towns include:

San Rafael, Novato, Windsor, Mill Valley, Half Moon Bay, San Anselmo, Larkspur, Tamalpais Homestead Valley, Corte Madera, Rodeo, Fairfax, Winters, Kentfield, Lucas Valley Marinwood, Roseland, El Granada, Santa Venetia, Guerneville, Moss Beach, Forestville, Angwin, Marin City, Yountville, Ross, Camp Meeker, Sleepy Hollow, Graton, Bolinas, Black Point Green Point, Woodacre, Lagunitas Forest Knolls, Inverness, Bodega Bay, Glen Ellen, Occidental.

Company History

Mason Plumbing began as a small family shop in 2003. Over the years the team added sewer camera inspection, advanced diagnostics, and eco-minded solutions such as water-efficiency upgrades. Growth was steady and service-focused, moving from emergency calls and remodels to larger commercial work and complex repiping jobs.

The company holds a Diamond Certified rating and has developed a reputation for practical repairs and long-term fixes rather than quick patches. Installations come with a 2-year labor warranty.

Leadership

Cameron Mason is president and CEO. Born in San Francisco and a Marin resident since 1969, he keeps close ties to local neighborhoods and building styles. Cameron emphasizes clear pricing, honest advice, and training for technicians. He is involved in local trade groups and supports safety and licensing standards.

Specialties & Highlights

• Diamond Certified and Health & Safety Qualified for verified customer service and standards.
• Sewer camera inspections and advanced diagnostics for accurate repair plans.
• Water conservation work and guidance for homes affected by coastal fog and seasonal water limits.
• 2-year labor warranty on installations to give customers confidence.

Why Locals Choose Mason Plumbing

Locals pick Mason Plumbing for steady, practical service in San Anselmo and across Marin. The team knows local houses, from hillside cottages to coastal bungalows, and responds to emergencies with clear, calm action. Mason Plumbing San Anselmo CA balances fair pricing, experienced technicians, and a local presence that customers recognize.

Hours are weekdays, 8:00 AM to 5:00 PM, with emergency on-call support for urgent problems.