Underhill Plumbing — Novato, CA

Business Overview

Underhill Plumbing Novato CA is a locally owned plumbing company serving homes and small businesses in Marin County. The team offers routine plumbing inspections, repairs, and emergency response. They operate with a small crew of licensed technicians and support staff who handle both residential and light commercial work.

Emergency service is available for after-hours leaks and sewer backups. Calls are triaged quickly and a technician is dispatched based on the problem and location in Novato or nearby neighborhoods.

Key Services

The company focuses on practical, reliable plumbing work. Primary offerings include:

• Plumbing inspection — whole-house checks and pre-sale reports
• Leak detection and repair — indoor and outdoor
• Water heaters — repair and replacement for tank and tankless units
• Drain and sewer service — cleaning, clog removal, and short-run sewer repairs
• Fixture installation — sinks, toilets, faucets, and gas lines

They adapt services to Novato’s mix of ranch-style homes, suburban developments, and older houses on small lots.

Areas Served

Primary service area includes Novato CA with regular work in Lucas Valley Marinwood and Black Point Green Point. Technicians also take jobs across central Marin when schedules allow. Service routes are planned to respond quickly to urgent calls in these neighborhoods.

Company History

Underhill Plumbing began as a small service company focused on inspections and repairs. Over time the business grew by word of mouth among local homeowners and real estate professionals. They added diagnostic tools and a simple scheduling system to speed inspections and follow-up work.

The business has kept a neighborhood feel while expanding the range of plumbing services offered. That steady growth reflects a focus on reliable work and clear communication.

Leadership

Owner and founder Mark Underhill has over 20 years of experience in the plumbing trade. He trained locally and returned to Marin to start the company. Mark manages daily operations and still visits job sites, which helps maintain consistent workmanship and customer contact.

The team is active in the community. They attend local contractor meetings and support school fundraisers and neighborhood events when possible.

Specialties & Highlights

• Thorough plumbing inspections useful for home buyers and sellers.
• Fast response for leaks and sewer issues in Novato and nearby areas.
• Small, experienced crew that keeps jobs clear and communicative.
• Practical advice on older pipes and homes common in Marin County.

Why Locals Choose Underhill Plumbing

Residents and small business owners pick Underhill Plumbing Novato CA for steady service, clear estimates, and technicians who know local plumbing quirks. The company’s inspection work is often recommended by real estate agents, and homeowners value the straightforward reports and follow-up options.

For plumbing inspections, repairs, or emergency assistance in Novato, Lucas Valley Marinwood, and Black Point Green Point, Underhill Plumbing offers a neighborhood-focused option with practical experience and local ties.