Plumber in
Walnut Creek, CA
Fast response from Concord. Built for Walnut Creek.
Walnut Creek homeowners and property managers rely on Guerra Bros. Plumbing for dependable service across every neighborhood — from Rossmoor's mid-century units to downtown condos near Broadway Plaza. We dispatch from our Concord shop on Medburn St. and reach most Walnut Creek addresses quickly.

“Guerra Bros. fixed a stubborn leak in our Rossmoor unit same day — clean, fast, and fairly priced.”
Patricia M.
Walnut Creek, CA · Google
Why Walnut Creek Calls Us
We're not routing
from another city.
Every call to Guerra Bros. Plumbing reaches our Concord shop on Medburn St. — just minutes from Walnut Creek. We're not a regional call center routing technicians from across the Bay. When something goes wrong in Walnut Creek, our trucks are already nearby.
Walnut Creek's housing stock presents a range of plumbing challenges. Rossmoor's mid-century retirement community has miles of original copper and galvanized pipe that has reached or exceeded its service life. Downtown condos along North Main Street and near Broadway Plaza have modern plumbing but shared-stack drainage issues common in multi-story construction. The Shadelands Business Park and North Gate corridor add a significant commercial layer requiring licensed commercial plumbing capacity.
Whether you own a Rossmoor co-op, manage a commercial property in Shadelands, or live in a newer downtown condo, we cover residential and commercial plumbing throughout Walnut Creek — inspections, repairs, repipes, and emergency calls handled the same way every time.
CA Licensed
CA Lic. #802256
Family-Owned
20+ years in business
Res. & Commercial
All property types served
Local Dispatch
Based in Concord, CA
What We Do in Walnut Creek
Plumbing services
in Walnut Creek, CA
The full range of residential and commercial plumbing — available right here.
Water Heater Repair in Walnut Creek
Same-day tank & tankless repair, all brands.
Learn moreDrain Cleaning in Walnut Creek
Snaking and hydro jetting for any clog.
Learn moreSewer Repair in Walnut Creek
Main line diagnosis, repair, and replacement.
Learn moreLeak Detection in Walnut Creek
Hidden leak location without tearing walls.
Learn moreRepiping in Walnut Creek
Full copper repiping for aging pipe systems.
Learn moreEmergency Plumbing in Walnut Creek
Urgent calls prioritized — same-day response.
Learn morePrivate Sewer Lateral in Walnut Creek
Sewer lateral inspection, repair, and permit help — selling or remodeling?
Learn moreHow It Works
From your first call
to a confirmed fix.
- Step 1:
Call & Describe
Tell us what's going on — a leak, no hot water, a slow drain. We ask the right questions so we arrive prepared.
- Step 2:
On-Time Arrival
We're dispatched from Concord — close to every city we serve. You get a real arrival window, not a 4-hour guess.
- Step 3:
Diagnose & Quote
We inspect the problem, explain what's causing it in plain language, and give you a firm price before any work starts.
- Step 4:
Fix & Confirm
We complete the repair, test everything, and walk you through what we did. Job isn't done until you're satisfied.

Customer Reviews
Don't take our
word for it.
“Our water heater failed on a Friday morning and Guerra Bros. had a technician at our Walnut Creek home by noon. Professional, transparent pricing, and the repair held. Highly recommend to any WC homeowner.”
“We manage several units in Walnut Creek and have used Guerra Bros. for drain cleaning and sewer scopes across multiple buildings. They show up when they say they will and the work is solid.”
“Had a slab leak suspected under our kitchen — Guerra Bros. came out, confirmed it with leak detection, and laid out our options clearly before charging us anything. Great crew.”
Service Area
Also serving cities near Walnut Creek
We cover all of Contra Costa County. If you're not in Walnut Creek, we're likely already serving your city.
FAQ
Common questions
What Walnut Creek homeowners and property managers ask before calling us.
Call (925) 288-0409We dispatch from our Concord shop on Medburn St., which puts us roughly 10–15 minutes from most Walnut Creek addresses. For urgent calls during business hours (Mon–Fri 7AM–5PM), same-day service is our standard. Call us at (925) 288-0409 to get on the schedule.
Yes. We serve all of Walnut Creek including Rossmoor, the Broadway Plaza area, downtown condos, Shadelands Business Park, the North Gate corridor, and all surrounding residential communities. If you're in Walnut Creek, we cover it.
Yes. Guerra Bros. Plumbing holds California Contractors License CA Lic. #802256 and is fully bonded and insured. We meet all state and local licensing requirements for residential and commercial plumbing in Walnut Creek and throughout Contra Costa County.
We provide the full range of residential and commercial plumbing in Walnut Creek: water heater repair and replacement, drain cleaning and hydro jetting, sewer repair and trenchless lining, leak detection, copper repiping, gas line services, backflow testing, and emergency plumbing. Call (925) 288-0409 to discuss your specific situation.
Pricing varies by job type and scope. We always provide a firm quote before any work begins — no surprise charges. Rossmoor repiping, downtown condo drain work, and commercial jobs in Shadelands each have different cost profiles. Call (925) 288-0409 and we'll give you a realistic estimate for your specific situation.