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Find Plumbing installers for a remodel or addition in El Cajon

Avatar for Plumbing Plus
Plumbing Plus
4.7(
463
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"Great. Everyone I dealt with was courteous and friendly. The plumber fixed everything, gave me quotes, and finished fairly quickly. It is expensive, but what plumber isn't?"
New Sewer Pipe Installation
Always important to clean up after ourselves
Tricky Sewer Pipe Installation
New Sewer Pipe Installation
Ladders and lifts to access the pipe overhead

+37

Response time1 day
29 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Personal Plumbing, Heating & Cooling
Personal Plumbing, Heating & Cooling
4.6(
323
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"We had a hot spot on the floor and a high gas bill last month leading us to suspect a slab leak. We called several plumbing services and Personal Plumbing was able to come out the next day with their own slab leak tech. The techs were on time and took about three hours to find the leak and reroute and place pipe to repair. They were able to avoid more holes in the drywall by placing the pipe on the exterior garage side, extending us savings. They also showed great integrity by letting us know that any repair would also have to replace factory pressure valve that was no longer working (putting pressure on our system). We will definitely keep them in mind for any other plumbing work we need done!"
Mini Split System Install Oceanside
Additional Photos
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Additional Photos

+12

Response time1 day
Response rate96%
23 neighbors recently requested a quote
Avatar for Liberty Plumbing Heating Air Conditioning Inc
Liberty Plumbing Heating Air Conditioning Inc
4.9(
192
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"We had our tankless water heater drained - annual maintenance. They show up when they say they will and do it right the first time. In the past we've had issues with AC's, plumbing and more. Evey time they've exceeded our expectations and would highly recommend them for any heating, AC or plumbing. We've used them for well over 20 years and wouldn't want anyone else. They are the best."
Response time8 hrs
Response rate98%
20 neighbors recently requested a quote
Avatar for Ly's Plumbing
Ly's Plumbing
5.0(
5
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 1990

Customers say: Quick response

"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 by100%of homeowners
Avatar for Chado Plumbing
Chado Plumbing
5.0(
6
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 2016

Free estimates

"Customer service was amazing. Francisco was prompt and efficient. His quote included bringing the hot water heater, installing it and taking away the old one. He accomplished all of this within 90 minutes on a Sunday, leaving the area neat and clean. I highly recommend Chado Plumbing!"
Avatar for Jax Mechanical
Jax Mechanical
4.9(
25
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Michael offered great advice on where to place our new tankless heater and his team did a great job executing. There were a few hiccups that came with replacing the old tank heater and working with the old plumbing of the home, but Jax Mechanical were able to solve any problems that popped up. Michael was also proactive in the initial discussion and found that our PRV needed replacing which was something we were glad he found before it led to any long term issues."
Residential work
Residential work
Residential work
Residential work
Residential work

+15

Response time1 day
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Anderson Plumbing Heating & Air Conditioning
Anderson Plumbing Heating & Air Conditioning
4.6(
903
)

Serving El Cajon, CA and surrounding areas

Approved (Corporate)

In business since 1978

Free estimates

Emergency services offered

With more than four decades of industry experience, Anderson Plumbing, Heating & Air has become the leading choice for residential plumbing, heating, and AC services in San Diego County. Our team of San Diego plumbers and HVAC technicians is committed to your complete comfort, offering peace of mind and outstanding value with every service we provide. We are proudly woman-owned, family-operated, and a BBB A+ rated contractor.

100 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Carini Home Services
Carini Home Services
4.8(
349
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I had concerns about some ducting issues I was having so I called Carini out for a quote on new duct work. I was fully expecting to pay several thousand dollars, but I was told it wasn't necessary, and was instead given a couple of small tips that completely resolved the problems I was having. I'm incredibly impressed with the honesty and professionalism it took to turn down the unnecessary work I was ready to pay for. They've made a customer for life."
Using the sewer camera to inspect the inside of a customer's drains
Camera inspection through a sewer vent on a customer's roof
Hydro jet uses water at 4,000psi to clean the inside of the mainline drain which connects all the home's drains to the city's sewer system.
Using a snake we can go through the cleanouts on the side of the house.
With the cleanouts snaked, and the blockage located, we can send the hydro jet through the sewer vent and flush out the blocked drain.

+16

Response time2 hrs
19 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for PlumbTech
PlumbTech
5.0(
5
)

Serving El Cajon, CA and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Credit card accepted

At Plumbtech, we proudly serve San Diego with honest, reliable, and efficient plumbing services you can count on. As a local company, we understand how important it is to have a licensed plumber you can trust — that’s why transparency is at the core of everything we do. We specialize in fast, same-day service to get your home or business back to normal as quickly as possible. From drain cleaning and leak repairs to water heater installations and full plumbing solutions, we handle it all with professionalism and precision.\n\nOur experienced team works efficiently without cutting corners, ensuring high-quality results every time. At Plumbtech, we don’t just fix plumbing problems — we make the entire process stress-free. When you call us, you can feel confident knowing we’ve got your back.

Water heater installation
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FAQs for plumbing installation for a remodel or addition projects in El Cajon, 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 El Cajon, 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.