Top-rated water main install, replace or repairers.

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Water main install, replace or repairers in San Mateo

Discount Plumbing and Rooter Co.
1330 Valota Rd
4.16(
42
)
Approved Pro
Discount Plumbing and Rooter Co.
1330 Valota Rd
4.16(
42
)
Approved Pro
Customers say: Quality work
36 years of experience
Free onsite estimate

Discount Plumbing & Rooter Co. has been locally owned and operated for 20 years. We pride ourselves on quality workmanship and excellent customer service. Call us today, you will not be disappointed.

"Best price by far. Work done quickly and efficiently. Definitely shop for best estimate. You will be amazed at how much prices differ !"

Ken L on October 2022

Discount Plumbing & Rooter Co. has been locally owned and operated for 20 years. We pride ourselves on quality workmanship and excellent customer service. Call us today, you will not be disappointed.

"Best price by far. Work done quickly and efficiently. Definitely shop for best estimate. You will be amazed at how much prices differ !"

Ken L on October 2022


Avatar for Chandler's Plumbing
Chandler's Plumbing
2230 Will Wool Dr
4.52(
608
)
Approved Pro
Chandler's Plumbing
2230 Will Wool Dr
4.52(
608
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
627 local quotes requested

We are the Home renovation of Santa Clara County offering free estimates, fair rates, and superior workmanship. Our team has been servicing the Bay Area for over 15 years. Our company is licensed, bonded, and insured. Our specialists are equipped, experienced, and provides a full range of services. We guarantee our work and can beat any quote by 10%. Give us a call today! Licensed - Bonded - Insured Family Owned Business

"Chandler Plumbing did a great job on installing my shower!"

Wendy W on April 2025

We are the Home renovation of Santa Clara County offering free estimates, fair rates, and superior workmanship. Our team has been servicing the Bay Area for over 15 years. Our company is licensed, bonded, and insured. Our specialists are equipped, experienced, and provides a full range of services. We guarantee our work and can beat any quote by 10%. Give us a call today! Licensed - Bonded - Insured Family Owned Business

"Chandler Plumbing did a great job on installing my shower!"

Wendy W on April 2025


Avatar for In and Out Plumbing and Construction, Inc.
In and Out Plumbing and Construction, Inc.
184 Harbor Way South
4.05(
349
)
Approved Pro
In and Out Plumbing and Construction, Inc.
184 Harbor Way South
4.05(
349
)
Approved Pro
Customers say: Quality work
27 years of experience
Free onsite estimate

We offer a wide variety of services to meet all of your plumbing needs. We do complete finished work as well as rough plumbing. We have senior discounts. 24 hours a day/365 days a year service.

"Plumber misdiagnosed the problem. I had to let him go as he was struggling to figure out problem and I had to hire another plumber. I paid In and Out for their time, even though problem wasn't solved. I won't use them again."

Michael M on March 2025

We offer a wide variety of services to meet all of your plumbing needs. We do complete finished work as well as rough plumbing. We have senior discounts. 24 hours a day/365 days a year service.

"Plumber misdiagnosed the problem. I had to let him go as he was struggling to figure out problem and I had to hire another plumber. I paid In and Out for their time, even though problem wasn't solved. I won't use them again."

Michael M on March 2025


Avatar for The Tankless Guys Plumbing Corp.
The Tankless Guys Plumbing Corp.
903 Tamarack Ln Unit B
5.00(
12
)
Approved Pro
The Tankless Guys Plumbing Corp.
903 Tamarack Ln Unit B
5.00(
12
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
66 local quotes requested

At THE TANKLESS GUYS PLUMBING CORP we pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"They were prompt and fantastic"

Blaine O on January 2025

At THE TANKLESS GUYS PLUMBING CORP we pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"They were prompt and fantastic"

Blaine O on January 2025


Avatar for Pacific Coast Home Services
Pacific Coast Home Services
2372 Qume Drive Suite A
4.42(
224
)
Approved Pro
Pacific Coast Home Services
2372 Qume Drive Suite A
4.42(
224
)
Approved Pro
Customers say: Quality work
129 local quotes requested
14 years of experience

Pacific Coast Home Services is a client centered company, serving the greater Bay area community.. We're dedicated to providing full service, from skilled caring technicians, servicing your electrical, plumbing, heating ,Air ,and now bathroom and kitchen remodel . All these professionals come together come together to handle all your repairs, upgrades, installs, and maintenance, offering Home Protection Plans where our technicians come out twice a year to make sure your homes systems are safe and energy efficient.

"Na"

Adele G on November 2023

Pacific Coast Home Services is a client centered company, serving the greater Bay area community.. We're dedicated to providing full service, from skilled caring technicians, servicing your electrical, plumbing, heating ,Air ,and now bathroom and kitchen remodel . All these professionals come together come together to handle all your repairs, upgrades, installs, and maintenance, offering Home Protection Plans where our technicians come out twice a year to make sure your homes systems are safe and energy efficient.

"Na"

Adele G on November 2023


Avatar for FDL Plumbing, Inc.
FDL Plumbing, Inc.
4547 Callan Blvd
4.95(
22
)
Approved Pro
FDL Plumbing, Inc.
4547 Callan Blvd
4.95(
22
)
Approved Pro
Customers say: True professional
15 local quotes requested
4 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Francisco responded quickly and offered a reasonable quote. He dealt with my tenant when fixing the problem but closed the loop with me with pictures and a phone call explaining what was done and ways to avoid this in the future. Great experience and will hire him again. "

Andrew C on April 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Francisco responded quickly and offered a reasonable quote. He dealt with my tenant when fixing the problem but closed the loop with me with pictures and a phone call explaining what was done and ways to avoid this in the future. Great experience and will hire him again. "

Andrew C on April 2025


Avatar for Handy Plumbing Man, LLC
Handy Plumbing Man, LLC
1011 American St
4.96(
27
)
Approved Pro
Handy Plumbing Man, LLC
1011 American St
4.96(
27
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
49 local quotes requested

Our company provides exceptional service to the surrounding areas. Always taking pride our services, striving to execute with excellence, and putting our customer’s in the forefront, is our philosophy. Whatever your home improvement needs may be, you can count on our company to leave you satisfied and happy. Call today , you’ll be pleased you did. Thank you!

"I love these guys! They were attentive to all my needs and helped me feel at ease with the installation. 100/10 service!"

Olive F on June 2024

Our company provides exceptional service to the surrounding areas. Always taking pride our services, striving to execute with excellence, and putting our customer’s in the forefront, is our philosophy. Whatever your home improvement needs may be, you can count on our company to leave you satisfied and happy. Call today , you’ll be pleased you did. Thank you!

"I love these guys! They were attentive to all my needs and helped me feel at ease with the installation. 100/10 service!"

Olive F on June 2024


Avatar for Giant Plumbing, Inc.
Giant Plumbing, Inc.
2111 Dry Creek Road
4.69(
21
)
Approved Pro
Giant Plumbing, Inc.
2111 Dry Creek Road
4.69(
21
)
Approved Pro
Customers say: Quick response
13 local quotes requested
33 years of experience

Giant Plumbing, Inc. Full Plumbing services since 1992. -No dig / trenchless sewer & water. -Repipes' pex or copper for residential-condos-apartments-commercial. -design / build complete Plumbing new- tenant improvements.

"Responded very fast, and took care of a pressing issue. Great integrity and craftsmanship. Don is a nice guy eager to please his clients. Look no more, youâ ve found the plumber you need."

MARK H on August 2024

Giant Plumbing, Inc. Full Plumbing services since 1992. -No dig / trenchless sewer & water. -Repipes' pex or copper for residential-condos-apartments-commercial. -design / build complete Plumbing new- tenant improvements.

"Responded very fast, and took care of a pressing issue. Great integrity and craftsmanship. Don is a nice guy eager to please his clients. Look no more, youâ ve found the plumber you need."

MARK H on August 2024


Avatar for Discover Plumbing and Rooter, Inc.
Discover Plumbing and Rooter, Inc.
1728 Ocean Avenue #245
4.88(
4
)
Approved Pro
Discover Plumbing and Rooter, Inc.
1728 Ocean Avenue #245
4.88(
4
)
Approved Pro
Customers say: Quick response
18 local quotes requested
8 years of experience

a

"The technique was very professional and courteous and knew what was the problem and solved it. We are very happy with the gentleman"

Mary M on May 2024

a

"The technique was very professional and courteous and knew what was the problem and solved it. We are very happy with the gentleman"

Mary M on May 2024


Avatar for Steven Bailey Plumbing
Steven Bailey Plumbing
PO Box 320326
5.00(
4
)
Approved Pro
Steven Bailey Plumbing
PO Box 320326
5.00(
4
)
Approved Pro
Customers say: Quick response
1 years of experience
Emergency services offered

An independently operated plumbing company dedicated to providing expert service, lasting solutions, and exceptional care

"Steve did a great job. He was thorough, detailed, and on time."

Nathan C on May 2025

An independently operated plumbing company dedicated to providing expert service, lasting solutions, and exceptional care

"Steve did a great job. He was thorough, detailed, and on time."

Nathan C on May 2025

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Water main install, replace or repairs FAQs

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 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.
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Understand what goes into installing a sewer line, including materials, labor, permits, and potential landscaping considerations, to ensure a smooth and compliant connection to your local sewer system.
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Apr 24, 2025
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Main water line leak repair costs depend on how much of the line needs repair and other factors. Learn what influences the price before you take on this project.
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Apr 23, 2025
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In this guide, we'll break down the factors that influence shower installation costs, so you can make informed decisions and achieve the bathroom of your dreams.
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