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Find Water main install, replace or repairers in Diablo

Avatar for Beastbay Plumbing
Beastbay Plumbing
4.5(
213
)

Serving Diablo, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2017

Free estimates

Emergency services offered

"Beastbay Plumbing was very professional. They reached out right away after my request was submitted through Angi. I thought I might have a mainline that would need to be replaced but they said the meter wasn't showing that so it didn't seem to be the problem. Instead they installed a valve to cutoff the sprinkler line from the house main that feeds the sprinkler valves. This does seem to have been the case. I can replace the sprinkler line that needs attention myself. The other estimate I got to do the same work was higher so the price from Beastbay was good."
Tankless Water Heater
Tankless water heater
Tankless and Water Filtration
Noritz Tankless
tub/shower enclosure

+22

Response time7 hrs
Response rate91%
111 neighbors recently requested a quote
Avatar for Oak Plumbing Inc
Oak Plumbing Inc
4.6(
99
)

Serving Diablo, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"Our service technician was very well versed in plumbing issues. We had a couple of quirky issues with our new home-- one was murky or cloudy water at various faucets throughout the house. Another was warm water coming from the cold faucet late in the afternoon at the main kitchen sink. We suspected air pockets in the pipes was causing the murkiness in the water and that the pipes were getting warm from the sun in the kitchen. This was confirmed, but we went through a number of tests to rule out other possibilities. Our technician thoroughly analyzed our entire house, the products we installed, and then went away and did some research on his own on our water heater and other products or solutions that we could consider. We were very pleased with his knowledge and attention. The charge was more than fair for the amount of work and time he put into researching our problems. We will definitely use Oak Plumbing in the going foward."
Response time2 days
3 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Corsa Plumbing and Rooter
Corsa Plumbing and Rooter
4.5(
56
)

Serving Diablo, CA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"I feel that I was very lucky have chosen Corsa Plumbing to do diagnose and replace 2 sewers for me. One in Lafayette and one in Pleasant Hill. Ray, was easy to work with and he did a great job of advising me on the existing problems and explaining what they would do to fix them. The camera inspection of the sewer line and the estimate were free. I was present when he did them. Both of the bids were fair, but do not include the cost of County permits. I will highly recommend you get a bid from Corsa Plumbing. You won’t regret it. You can hardly tell that the sewer was replaced Steve Walsh, retired Realtor and property manager for residential homes."
Response time7 hrs
Response rate97%
9 neighbors recently requested a quote
Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
4.4(
715
)

Serving Diablo, CA and surrounding areas

Approved (Corporate)

In business since 1981

Free estimates

Warranties offered

"Can not imagine a better response, starting with my call for assistance, response time and how the technician, Tad methodically diagnosed the problem. We have an obscure kitchen fixture that required service in Feb 2019. Under warranty the problem was easily diagnosed by me, a problem possibly caused by me and a replacement part sent and installed by Albert Nahman team. Problem: I broke the faucet cartridge. Current Problem: restricted hot water flow in this kitchen sink only. Turns out the new cartridge part is now malfunctioning. I called and Tad arrived taking a step by step approach ruling out possible causes: a clog here or there, build up of sediment, or blockage in the lines or cartridge. The company that sells the product got on the phone with Tad and they collaborated on the problem and the tech person gave Tad one more thing to try. After the collaboration it is agreed, problem persisted and therefore that new cartridge part is now malfunctioning and will be shipped free of charge in two days. Thanks to all, who made this possible and I trust we will have Tad here again soon to finalize this fix. BTW, cost of service was less than expected given going rates for such a call lasting in excess of one hour. Another comment, spending time with Tad during the repair was a pleasure to have him explain, collaborate, listen and just chat. Questions on who to call next time, no question who I will call next time. I have read criticism of costs: In the Berkeley area "How much does it cost to hire a plumber? Some plumbers have a minimum fee for a service call. They might charge anywhere from $175-250 to come out and give you a consultation. Plumbers may give you a general service rate of $128-148 per hour when there are a lot of unknowns about a project and they aren't sure how long it will take. Some charge a flat rate for their plumbing services. For example, you may get charged $175 for a sink or drain cleaning, while toilet installation costs $500." Today costs are upfront, same as charges in Feb, $69 to arrive and assess the problem. Here in excess of one hour for $129 minus $25 coupon, total charge $173. I am ok and I expected these costs. If I was in Philly, where I grew up, I could call an uncle or cousin and get a better rate, a family rate. This is going rate for our area."
Living room Mini-Split
Aquasana home Filtration
Almost no disturbance at EBMUD meter
Navien with filtration to protect the heat exchanger
New house valve and Pressure Reducing Valve

+73

Response time8 hrs
Response rate99%
57 neighbors recently requested a quote
Avatar for JPC Rooter & Plumbing
JPC Rooter & Plumbing
4.8(
46
)

Serving Diablo, CA and surrounding areas

Approved

In business since 1999

Free estimates

Emergency services offered

"Great service and quick. Plumber was very knowledgeable. Only negative was the appointment schedule. I was told between 1pm and 2pm but the plumber didn t arrive until 4pm. I think the dispatcher or owner needs to work on how to schedule clients. Plumber for me has no fault in that."
Our Work
Our Work
Our Work
Our Work
Our Work

+56

Response time4 hrs
Recommended by100%of homeowners
Avatar for PLUMBING PRODIGY
PLUMBING PRODIGY
5.0(
7
)

Serving Diablo, CA and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

Plumbing Prodigy has over 30 years of experience in the service plumbing trade. Specializing in sewer & drain cleaning as well as water heaters. Plumbing Prodigy started with a purpose to help out people with the most competitively priced rates. Try us once and see for yourself why we have such a loyal customer base.

Bradford White
Removing old leaking
Navien Heater Flush
Rheem Tankless
Response time6 hrs
Response rate90%
Avatar for Five Star Rooter and Plumbing Inc
Five Star Rooter and Plumbing Inc
5.0(
2
)

Serving Diablo, CA and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

We’re dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

Kitchen backed up
Water heater replacement
Water heater replacement
Main line backend up
10 neighbors recently requested a quote
Avatar for Superior Plumbing & Drain Cleaning Services
Superior Plumbing & Drain Cleaning Services
4.5(
560
)

Serving Diablo, CA and surrounding areas

In business since 2002

Emergency services offered

Warranties offered

"The plumbers from Superior Plumbing were excellent. They replaced and rerouted water pipes, changing from galvanized to copper pipes. The sewer lines in our house were repaired. They also replaced an aging hot water heater. The technicians arrived on time, worked diligently through the day, and were efficient. We added on the sewer repair which added an additional day. All work was completed within four days. I am impressed with their knowledge and workmanship. The technicians were tidy and removed all our old materials including the hot water heater. I would recommend Superior Plumbing and Drainage Co without hesitation."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+9

Response time7 hrs
Response rate100%
Recommended by88%of homeowners
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FAQs for water main install, replace or repair projects in Diablo, CA

If you notice puddles or standing water in your yard, a sudden drop in water pressure, cracks forming in your foundation, frequent clogs in your plumbing fixtures, or water that looks or smells unusual, you might have a leak in your main water line. These signs mean it's time to call a professional to evaluate the issue and prevent further damage.

A professional water main inspection is a comprehensive evaluation performed by a licensed plumber who checks every section of your plumbing system. The inspection costs $165 and uses advanced diagnostic techniques to identify hidden leaks or wear. This service clarifies the exact condition of your water main, enabling precise repairs that prevent future damage and ensure the overall health of your plumbing system.

Protect your water main by scheduling a cleaning and inspection every two to five years. The average cost of a sewer line cleaning is $400. It’s also important to never dig in your yard without first calling the dig line (811) to ensure you don't accidentally hit the water or sewer lines. Watch for soil erosion, low water pressure, or wet spots in your yard, and take immediate action if you suspect a leak. Remember, the longer you leave it, the worse the problem gets and the more costly it is to fix.

When properly maintained, your water main is engineered to remain functional for 50 years or longer. A durable water service in excellent condition should consistently perform without major issues for half a century. In contrast, metal pipes exposed to acidic soil corrode faster, whereas modern plastic pipes resist corrosion and function for decades beyond metal alternatives. Regular maintenance and inspections are essential for confirming your system’s longevity.

No, homeowners insurance does not cover the cost to repair a water main. Insurers fund only sudden, unforeseen events like a burst pipe and exclude gradual issues or normal wear and tear. Damage resulting from leaks, such as mold remediation or property claims, is not covered. It is essential to contact your insurance provider immediately to confirm your policy’s details and any potential adjustments needed.

The Diablo, CA homeowners’ guide to water main install, replace or repairs

From average costs to expert advice, get all the answers you need to get your job done.