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Top-Rated Water main install, replace or repairers in Topanga - Updated Nov 2026

Avatar for G M C Plumbing, Inc.
G M C Plumbing, Inc.
4.9(
86
)
Water Main - Install, Replace or Repair

Serving Topanga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"100% recommend. Very professional in every way as the other reviews say. Geremias and his nephews installed a tankless water heater for me, and it works great. Punctual, responsive, communicative, trustworthy, and the best price. I couldnâ t ask for better."
New Drainage
Old  shower Drainage
New kitchen faucet
New Drainage
New Drainage- SEWER LINE

+3

Response time5 hrs
Response rate97%
23 neighbors recently requested a quote
Jaxael S Rizo
5.0(
11
)
Water Main - Install, Replace or Repair

Serving Topanga, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Jax Rizzo, Highly knowledgeable and articulate. Jax will give you a clear explanation of the problem and / or options & solutions. Jax not only repiped my home but travelled a good distance to address my fathers repiping of his townhome. My dadâ s pipes were a constant issue over the years and Jax repiped the entire system out of the slab and into the walls. He has the the team and state of the art equipment at your disposal"
Frizzlife Tankless Reverse Osmosis System
MOEN Flo Smart Water Monitor Automatic Shut Off
Frizzlife Tankless Reverse Osmosis System
Clients Old Shut Off Valve
Frizzlife Tankless Reverse Osmosis System

+16

Response time20 mins
Response rate100%
Recommended by90%of homeowners
Avatar for California Drains Incorporated
California Drains Incorporated
5.0(
30
)
Water Main - Install, Replace or Repair

Serving Topanga, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"I contacted California Drains because my parent's home was completely backed up to the point where dirty water was coming out from the drains inside and outside their home. They promptly answered and booked me in the same day. They were able to contain the water from continuing to come out of the drains overnight and returned the next day first thing in the morning to get the problem fixed. Price was very reasonable, and the workers were very professional. Left everything clean and drains were completely cleared. It has been months since they came and there has not been an issue since. 10/10 will highly recommend to family and friends."
Water Main Repair
Water Main Shut Off Valve
3/4" Pressure Regulator
Clean Out Installation
Sewer Spot Repair

+11

Response time10 hrs
Response rate97%
132 neighbors recently requested a quote
Avatar for Mifkis Plumbing
Mifkis Plumbing
4.8(
29
)
Water Main - Install, Replace or Repair

Serving Topanga, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

Repipe sink drain
Repipe sink drain
Repipe sink drain
Unclog the toilet
Unclog the toilet

+2

Avatar for CARLOS HERRERA
CARLOS HERRERA
4.5(
215
)
Water Main - Install, Replace or Repair

Serving Topanga, CA and surrounding areas

Approved

In business since 2008

Free estimates

Offers commercial services

Owner operated. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Cost is determined by the job. No travel charges. No service charges. No extra charge for after hours services. Give us a call today.

Tub Installation
33 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Team Rooter Plumbing of Ventura
Team Rooter Plumbing of Ventura
4.6(
12
)
Water Main - Install, Replace or Repair

Serving Topanga, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"They were professional, on time, and explained exactly how the job was done. The repair was quick, the price was very reasonable, and they cleaned up perfectly afterward."
Sewer Lateral Replacement in Camarillo
Main Line Re-route & Repair in Oxnard
Main Sewer line Repair in Simi Valley by Team Rooter Plumbing.
Call Team Rooter 24/7 for any plumbing issues.
Sewer Lateral Replacement in Camarillo

+125

Response time9 hrs
1 neighbors recently requested a quote
Recommended by16%of homeowners
The Plumbing Connection
4.9(
35
)
Water Main - Install, Replace or Repair

Serving Topanga, CA and surrounding areas

Approved

In business since 1998

Free estimates

Customers say: Quick response

"Chuck replied to our request for a plumber within 20 minutes, and half an hour later, he was at our house. We needed to replace shower and tub fixtures in one of our bathrooms. We had already purchased fixtures, but when he looked at them, he advised us that the brand we had gotten was not the best and that we should exchange them. Not only did he give us advice on the best brand that would not need as many repairs, but he offered to meet me at Lowe's to exchange the fixtures and to make sure that I got a few extra pieces that we would need to do everything right.....we have never had such excellent service with any home repair person before! Chuck was polite, did perfect work and was fast. His fee was very reasonable too. We are so glad to have found such a great local plumber, and we definitely plan to hire him again in the next few months for some more home improvement projects."
Recommended by100%of homeowners
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FAQs for water main install, replace or repair projects in Topanga, CA

Most standard homeowners' policies don’t cover water main line replacement costs because this project is considered wear and tear, not sudden damage. Check your declarations page for exclusions and talk with your agent about add-on service-line coverage if you want help footing the bill for your water main line replacement costs.

Yes—hire a licensed plumber any time the job taps into a city-owned line or local codes. Professional plumbers carry the right permits, tools, and insurance, and they know how to avoid costly mistakes that could flood your yard or trigger fines. Pros can also provide expert recommendations on the type of system and materials that will work best for your situation, and they can guide you on best practices for ongoing maintenance.

The Topanga, 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.