When plumbing problems can't wait, neither do we.
Licensed, local, and accountable — serving Contra Costa County for over 20+.
What We Do
What do you need today?
For Homeowners
Residential Plumbing
Water heaters, drains, sewer repair, leak detection, and whole-home repiping.
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“Same-day, honest pricing. Highly recommend!”
Marissa S. — Concord, CA
For Businesses
Commercial Plumbing
Backflow testing, grease trap service, water heater installs, and drain lines.
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“7am sharp — problem solved in 30 minutes.”
Ralphie M. — Concord, CA
Urgent Response
Emergency Plumbing
Burst pipe, flooding, no hot water — when it can't wait, we're the call to make.
Call Now- We answer — not voicemail
- Licensed & insured technicians
- 20+ years of urgent calls handled
(925) 288-0409
Urgent calls prioritized
Most Requested Services
20+
Years serving
Contra Costa County
1,000s
Of jobs completed
across the Bay Area
Highly rated
on Google & Yelp
CA Lic. #802256
Licensed, bonded
& insured
Industries We Serve
Who we work with.
From homes and managed communities to commercial facilities, construction projects, and educational properties, GBP Plumbing provides solutions tailored to the needs of each client.
ResidentialHomeowners
From routine repairs to emergency calls, we've served Contra Costa County homeowners for over 20 years — honest diagnostics, upfront pricing, and work done right.
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Multi-UnitProperty Management & HOAs
Reliable scheduling, clear communication, and professional documentation for multi-unit residential properties and homeowners associations across Contra Costa County.
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ConstructionGeneral Contractors & Custom Home Builders
We coordinate with your project schedule, pull our own permits, and deliver clean documentation — from rough-in through finish on custom homes and remodel projects in the East Bay.
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CommercialRestaurants, Gyms & Commercial Properties
We understand that plumbing downtime costs you business. Our team provides scheduled commercial plumbing services designed to minimize operational disruption across the Bay Area.
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EducationSchool Districts & Educational Facilities
We work around academic schedules to provide dependable plumbing service for schools, administrative buildings, and educational campuses throughout Contra Costa County.
Learn moreCustomer Reviews
Don't take our
word for it.
Plumbing problems are stressful.
We know exactly how to fix them.
Whether it's an emergency at 7am or a project you've been putting off — our team diagnoses honestly, quotes upfront, and gets it done right.
Burst or Leaking Pipes
Grease Trap Overflow
No Hot Water
Backflow Preventer Failures
Clogged Drains & Backed-Up Sinks
Commercial Water Heater Breakdown
Bathroom Flooding
Commercial Fixture Failures
Our team has handled thousands of jobs across Contra Costa County — honest diagnostics, upfront quotes, and no runaround.
Talk to our team
Our Team
You won't get a call center.
You'll get us.
Guerra Bros. Plumbing is a family business. When you call, you reach our office in Concord. When a technician arrives at your door, it's one of our people — not a subcontractor dispatched from a list.
We've served this community for over 20+ because we're part of it. Our trucks are based right here at 100 Medburn St. STE. B, Concord, CA 94520.
20+ serving Contra Costa County
Established, experienced, locally trusted
CA Lic. #802256 — fully bonded & insured
Every job covered, every time
Family-owned — not a franchise
Real accountability, not a call center
Transparent pricing — we quote before we start
No hidden fees, no surprises
We call if we're running late
We respect your time
Where We Work
Proudly Serving
Contra Costa County
From Concord and Walnut Creek to Danville, Lafayette, and Martinez, we've completed thousands of plumbing jobs across the communities we call home.
Don't see your city? Call us — we may still serve your area.
View all service areas
Selling or Remodeling?
Selling or Remodeling a Home in Concord or Contra Costa County?
Some sewer districts require a lateral inspection or compliance certificate before a sale, a major remodel, or a permit is issued. We can inspect your sewer lateral, explain what we find, and complete any repairs needed to move your project or sale forward.
Learn About Sewer Lateral Services
What You Can Expect
Built on Trust.
Three simple promises we make to every customer.
Upfront Pricing
You'll know exactly what the job costs before we begin. No hidden fees. No surprises after the work is done.
We Keep You Updated
If we're running late, we call before you need to chase us. We respect your time as much as our own.
Work Done Right
If something isn't right after we leave, we'll come back and make it right. No charge. No argument.
CA Lic. #802256 · Family-Owned · Serving Contra Costa County for 20+
Brands We Service
