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Top-Rated Plumbing installers for a remodel or addition in Bonita - Updated Nov 2026

Avatar for Liberty Plumbing Heating Air Conditioning Inc
Liberty Plumbing Heating Air Conditioning Inc
4.9(
210
)
Plumbing for a Remodel or Addition - Install

Serving Bonita, CA and surrounding areas

Approved

In business since 2005

Emergency services offered

Warranties offered

"It went well. The plumber was on time, kept his word, had to come back - showed up as promised; not inexpensive but we were expecting it to be more based on an earlier assessment by a different plumber."
Response time8 hrs
Response rate100%
14 neighbors recently requested a quote
Avatar for Vantage Plumbing
Vantage Plumbing
4.9(
7
)
Plumbing for a Remodel or Addition - Install

Serving Bonita, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Vantage Plumbing is a full-service residential and commercial plumbing company serving all of San Diego County from our shop in Vista. We handle emergency calls, water heaters, main line and sewer line work, leak detection and repair, whole-home repiping, toilet repair and replacement, water softening, whole-home filtration, and reverse osmosis.\n\nEvery job is quoted upfront and in writing. We walk the work with you before we start, and the price you see is the price you pay. No mystery line items, no day-of surprises.\n\nBurst pipes do not wait for business hours, so we run 24/7 emergency service and dispatch within the hour anywhere in the county. Scheduled work runs Monday through Saturday, 7am to 7pm.\n\nLicensed (#1157656), insured, and bonded. Every job is backed by a written 100% satisfaction guarantee. If something we touched is not right, we come back and fix it.\n\nIntegrity. Perspective. Reliability.

7 neighbors recently requested a quote
Avatar for Ly's Plumbing
Ly's Plumbing
5.0(
7
)
Plumbing for a Remodel or Addition - Install

Serving Bonita, CA and surrounding areas

Approved

In business since 1990

Customers say: True professional

"I needed an old refrigerator water/ice line properly replaced. Ly’s Plumbing responded quickly and gave an honest assessment before starting the work, then triple checked the final result before patching and cleaning up. I’m very grateful the project turned out to be not too complicated, and also reassured for future projects."
Additional Photos
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+15

Recommended by71%of homeowners
Avatar for ELITE ROOTER, INC. - San Diego
ELITE ROOTER, INC. - San Diego
4.7(
16
)
Plumbing for a Remodel or Addition - Install

Serving Bonita, CA and surrounding areas

Approved (Corporate)

In business since 2017

Free estimates

Credit card accepted

Are you searching for a reliable plumber ? Elite Rooter offers expert drain cleaning & a full range of residential plumbing services . As expereinced plumbers, we understand the frustration of plumbing problems & provide fast, dependable, and affordable solutions, available 24/7 for emergencies. Whether it's a stubborn clogged drain, a leaky pipe, or a need for water heater repair or installation, our licensed & insured technicians are ready to help. You'll always receive upfront pricing with no hidden fees, and we stand behind our work with a 100% satisfaction guarantee. For dependable plumbing repair & drain cleaning services, contact Elite Rooter today ? we're here to help!.

My Work
My Work
My Work
My Work
My Work

+15

3 neighbors recently requested a quote
Recommended by62%of homeowners
TRWDESIGN PLUMBING SOLUTIONS
New to Angi
Plumbing for a Remodel or Addition - Install

Serving Bonita, CA and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

We’re a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guaranteeing your satisfaction! \n

Avatar for Frankie's Plumbing
Frankie's Plumbing
5.0(
15
)
Plumbing for a Remodel or Addition - Install

Serving Bonita, CA and surrounding areas

In business since 2021

Emergency services offered

Credit card accepted

"I was constantly getting too hot of water and then suddenly too cold. I called Frankie’s Plumbing and they were able to come out quickly and solve my problem. Now I can shower without dealing with the constant change of temperature. I will be using Frankie’s Plumbing again for any future plumbing issues."
Plumbing Project
New 3/4” PRV with shut off and hose bib
New brush nickel kitchen faucet
Plumbing Project
New hot and cold angle stops with new supply lines

+14

Recommended by100%of homeowners
Avatar for Repiping Professionals
Repiping Professionals
4.2(
50
)
Plumbing for a Remodel or Addition - Install

Serving Bonita, CA and surrounding areas

In business since 1948

Free estimates

Emergency services offered

"When we purchased the house, it was a 30 year old home. Almost everybody in the period of five years to seven years wanted to convert to copper plumbing. So what they offered at that time was anyone you referred to if they chose to use their service, you have $500 cash payment which was really nice because half of our neighbors and our family members used them. I do not know what they do now, but it is a really nice service because they are a very good company. They did a great job."
President - George Anderson
Service Van
Repiping Worker
Recommended by85%of homeowners
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Showing 1-10 of 162
FAQs for plumbing installation for a remodel or addition projects in Bonita, CA

Adding bathroom plumbing to a detached garage starts with the basic line installation cost of $900 to $1,300. On top of this base expense, you'll need to budget for each fixture. A toilet costs  $250 to $550, sinks cost $150 to $800, and a shower or bathtub costs $400 to $1,900. The project will also require ventilation, moisture-resistant materials, and possibly electrical work. Remember that these costs reflect only the plumbing aspects—additional construction, finishing, and permitting expenses will apply to complete a functional bathroom space.

While certain aspects of garage renovation might be suitable for DIY enthusiasts, plumbing installation requires professional expertise. Connecting to water and sewer systems demands specialized knowledge and equipment, and improper installation can result in severe water damage, code violations, and potential health hazards. Most municipalities require permits for plumbing modifications, and these often stipulate that licensed professionals must perform work. Consider limiting your involvement to simpler tasks like painting or basic finishing work.

The timeframe for adding plumbing to a detached garage spans one to three days for the actual plumbing work. However, this represents only the active installation period. The complete project timeline must account for planning, obtaining permits (which can take weeks depending on your locality), coordinating multiple contractors if needed, and addressing any unexpected challenges that arise during installation. Weather conditions can also impact excavation and outdoor connection work.

Adding plumbing to a detached garage will likely increase your property taxes. Tax assessors consider plumbing an improvement that enhances property value and functionality. The specific tax impact varies by location and project scope. Converting a garage into living space with plumbing facilities can trigger significant reassessment in many jurisdictions. Before proceeding with your project, consult your local tax assessor's office to understand the potential tax implications and factor this ongoing expense into your decision-making process.

The Bonita, CA homeowners’ guide to plumbing installations for a remodel or addition

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