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Marin Mechanical II, Inc. is a local Marin County based residential and commercial plumbing company whose members have been in the industry for over three decades. Our quality workmanship has earned us a reputation as one of the area's premiere plumbing & hydronic heating contractors. We specialize in ground-up construction and well as renovations, and remodeling. Our work in the Bay Area includes implementing a hydronic cooling process for the Recent Bay Bridge renovations, as well as working for local schools & municipalities in the upkeep of of our area's infrastructure. No job is too big or too small!

Custom Homes


We will build you the home you want. Period. No surprises or disappointments. If you can dream it, we can build it. We maintain control throughout the design and construction process to ensure that your residence is built to the highest quality standards and offer you the alternatives that you want for your project.

Commercial & Industrial Properties


We manage all stages of your project. From the pre-design phase of a project through construction and delivery. We form alliances with property owners, architects, utility companies, mechanical engineers, and specialized trades people to deliver a complete product. We are proud holders of a State of California Contractors license with the following classifications (A, C4, C36, & C46).


Whether you need a simple faucet installation or complete sewer line replacement, we offer a wide range of residential and commercial plumbing services to meet your needs.


We will provide you with a free consultation to explain all of your available options so that you can choose the scope or work that’s right for your home or business.


We combine our use of the highest quality parts, equipment, and our dedication to delivering exceptional work to provide you with satisfactory service.