- Open 24 Hours Mon–Sat
- contact@jkplumbingsf.com
- +1 (415) 359-4588
- CA License #1080266
Plumbing Services in Hillsborough, CA
JK Plumbing handles water heater install and repair, sewer lateral replacement, drain cleaning, and hot tub-to-shower conversions for Hillsborough, CA homeowners. Specifically, that covers the large estate lots off Manor Drive, El Cerrito, and the Lower and Upper Crystal Springs neighborhoods. In every case, that means licensed master plumbers, upfront written quotes, and permits pulled on every job that needs one. CA License #1080266.
By Alik, Owner & Master Plumber · Last updated September 2026
Rated 5 stars on Google · 19+ Years in Business
A licensed plumber answers, not a call center.
Signs You Need a Plumber in Hillsborough
Hillsborough’s lots run big, and that changes the plumbing math before a single fixture is even involved. Here’s what we see most often on Hillsborough service calls.
- Your sewer lateral is unusually long. Half-acre-plus lots mean the run from house to street main often runs two or three times longer than a standard lot. As a result, root intrusion and pipe bellies show up farther out and take longer to trace.
- Multiple bathrooms and outdoor watering lines share aging supply lines. In fact, larger Hillsborough estates, especially 1920s-40s homes near the older core, often run watering lines and several bathrooms off supply that was never sized for today’s fixture count.
- A well-adjacent home has plumbing tied to older infrastructure. Some of Hillsborough’s oldest estates predate full city hookup and still carry legacy plumbing runs from that switch. As a result, those age differently than a standard subdivision line.
- Water heater demand outpaces a single unit. Often, big homes with several bathrooms plus a pool house or guest unit need a tankless or dual-tank setup instead of one standard water heater.
Our Plumbing Services in Hillsborough
Seven ways we help Hillsborough homeowners, each for a different job. In fact, a large estate lot off Manor Drive is a typical stop on our schedule. So click any service below for full details, or browse our full services list.
Heat Pump Water
Heater
We install and convert heat pump water heaters, including dual-unit setups for larger homes with a pool house or guest unit. In fact, Hillsborough estates often need more hot water capacity than a single standard tank provides.
Water Heater
Repair
We diagnose and repair water heaters serving Hillsborough's larger homes, often the same day. Multi-bathroom estates put more demand on a single unit, so repairs here sometimes reveal a sizing problem underneath the immediate issue.
Water Heater
Replacement
We replace aging tanks with units matched to actual household and outdoor water demand. Often, large-format Hillsborough homes with several bathrooms need a tankless or dual-tank setup rather than one standard replacement.
Lateral Sewer Line Replacement
We repair and replace sewer laterals, starting with a full video inspection given how much longer Hillsborough's runs typically are. Indeed, half-acre-plus lots mean root intrusion and pipe bellies often show up farther from the house than on a standard suburban lot.
Hydro Jet Drain
Cleaning
Hydro jetting clears the longer drain and lateral runs common on Hillsborough's larger homes. It's often the more efficient option here, since a longer line gives a cable snake more distance to cover with
less effect.
Drain Cleaning
Service
We clear slow and backed-up drains across the home, including secondary bathrooms and pool house plumbing common on larger estates. As a result, several bathroom zones sharing older supply lines can turn one slow drain into a sign of a bigger pattern.
How a Plumbing Call in Hillsborough Works
You call, a real plumber answers.
Call (415) 359-4588. A licensed plumber asks what’s going on, how long it’s been happening, and what you’ve already tried. As a result, most Hillsborough calls get a working read on the problem before anyone drives out.
Free estimate, written quote.
For anything beyond a same-day repair, we come out and look at the job first. Then we write down a quote covering parts, labor, and any permit fees, so there are no surprise line items after we’ve opened a wall or a slab.
The work, tested, walked through.
We protect the nearby area, do the job, test it under real use, and walk you through what we did before we leave. In addition, permitted jobs get inspected on time, not as an afterthought.
Popular Plumbing Brands We Sell and Service
Plumbing Cost in Hillsborough
A water heater swap, a sewer lateral repair, and a slow drain don’t share a cost structure. So pricing depends on the job. Here’s how we price Hillsborough calls.
Phone read first. Describe the problem. Then a licensed plumber can often give you a working range before anyone drives out.
Free in-person quote for bigger jobs. For example, sewer lateral work, repiping, and water heater conversions get a written quote after we’ve seen the job — not a phone guess.
What drives the price: scope of work, whether permits and inspections apply, and access to the fixture or line.
The Hillsborough factor: Sewer lateral work on Hillsborough’s larger lots is permitted through San Mateo County. Because the runs are longer, a full video check before scoping the job often saves a second trip.
Call (415) 359-4588 with what’s going on. We’ll give you a straight answer on what to expect.
Hillsborough Plumbing Service Area
We dispatch from our Burlingame shop and cover Hillsborough plus Burlingame and San Mateo. Call (415) 359-4588 to check same-day openings.
Neighborhoods we work in: The large estate lots off Manor Drive, El Cerrito, and the Lower and Upper Crystal Springs neighborhoods.
Plumbing FAQ for Hillsborough
Does a longer sewer lateral cost more to repair in Hillsborough?
It can. More pipe means more spots that could fail, and more trenching or lining if the whole run needs replacing. We run a full camera check first so the quote reflects the line’s real condition, not just its length.
Do I need a bigger water heater setup for a guest house or pool house?
Often, yes. Separate structures on the same property often need their own unit rather than trying to run everything off one tank sized for the main house, and we size each based on actual peak demand.
Some older Hillsborough estates predate full sewer connection. Does that affect my plumbing?
It can. A handful of the town’s oldest homes still carry legacy plumbing runs from before they connected to the city system, and those transitions sometimes age differently than a standard subdivision line.
Do you offer free estimates?
Yes. We come out and look at the actual job: the fixture, the line, the water heater, or the panel. Either way, you get a written quote before any work starts, no trip charge and no obligation.
Are you licensed and insured?
Yes. JK Plumbing operates under CA License #1080266 and carries full liability insurance. In addition, we pull permits on every job that needs one and handle the inspection ourselves.
Do you offer emergency plumbing service?
For active leaks, backed-up drains, and failed water heaters, yes. Call and a licensed plumber will walk you through next steps and get someone out as fast as the day allows.
What People says about JK Plumbing
No Hot Water? Tank Leaking? Call Now.
24-hour water heater repair across San Francisco, Palo Alto, San Mateo, and the Peninsula, Monday through Saturday. Licensed master plumbers, written quotes, every major brand serviced.