Licensed general contracting from the team you already trust for plumbing and HVAC — remodels, repairs, and whole-home projects under one roof.
John Owens Services isn’t just plumbing and HVAC — we’re a licensed California general contractor (#501853). When a repair turns into a bigger project, or a remodel needs trades that actually coordinate, you get one accountable team instead of juggling subcontractors.
Yes — California license #501853, covering general building plus plumbing, HVAC, radiant, and electrical.
Yes — we fix the source (plumbing) and the damage (drywall, framing, finish) so you deal with one company.
All of Marin and Sonoma County.
From the Marin coast to Sonoma wine country, we bring honest plumbing, heating & cooling to homeowners across both counties — based locally since 1986.