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Monday - Friday: 7:00 AM - 6:00 PM
Serving San Luis Obispo and Surrounding AreasAbout 40 miles from Casmalia — roughly a 45 to 50 minute drive up Highway 101
San Luis Obispo is the county seat and the commercial centre of the northern half of our service area, about forty miles and forty-five minutes up Highway 101 from the shop.
It is a mixed market — owner-occupied homes, rentals and small commercial tenants side by side — and the work reflects that. Drain and fixture problems in high-turnover rentals, leak detection in homes where nobody can find where the water is going, and water heater replacement are the calls that come in most often.
Being the better part of an hour from the shop means we are honest about scheduling: San Luis Obispo work gets a real arrival window rather than an optimistic one, and 24/7 emergency line is answered by the owner rather than by a dispatch service.
William's Plumbing is owner-operated out of Casmalia, CA — William Henson does the work himself, and has been serving San Luis Obispo County since 2022.
San Luis Obispo sits in the transition between the mild coastal strip and the colder inland valleys. Hard freezes are uncommon in town, but cold snaps do reach it, and plumbing in unheated garages and crawl spaces is worth protecting before winter in a way it is not down on the beach.
A large share of what we get called for here starts as a water bill that doubled with no explanation. Slab and under-floor leaks, silent toilet leaks and irrigation faults all present the same way on a statement, and locating the source correctly is most of the job.
More detail on both: hard water on the Central Coast and winterising your pipes.
We offer every service below throughout San Luis Obispo. The first three are the ones San Luis Obispo homeowners call about most, given the water and climate conditions described above.
About 40 miles from Casmalia — roughly a 45 to 50 minute drive up Highway 101. the emergency line is answered 24/7; regular hours are Monday - Friday: 7:00 AM - 6:00 PM and Saturday: 8:00 AM - 4:00 PM.
Call (805) 314-9267 or request a free quote online. See every community we serve.
Call (805) 314-9267 for 24/7 emergency plumbing, or request a free quote online.
🚨 24/7 Emergency Service Available — (805) 314-9267