Top-rated plumbing installers for a remodel or addition.

Get matched with top plumbing installers for a remodel or addition in Renton, WA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Plumbing installers for a remodel or addition in Renton

Avatar for Schmitty's Plumbing
Schmitty's Plumbing
4.8(
50
)
Plumbing for a Remodel or Addition - Install

Serving Renton, WA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"Schmitty's Plumbing responded to my Angi's service request almost as soon as I submitted it, and they beat out three other Angi plumbing companies in terms of pricing and transparency. I hired Schmitty's to remove an old double bowl kitchen sink and faucet with a new single bowl sink and upgraded faucet. There was no upselling or attempts to convince us to replace our garbage disposal which two of the other plumbers recommended we do. We saw no reason to replace our disposal which functions well and is not that old. Partners Drake and Gage came out to our home as scheduled, and they got to work immediately working efficiently and thoroughly. We appreciated their no-nonsense, honest, prompt service, and very fair pricing. I chose Schmitty's based on the positive customer reviews, and would hire them again. I told them I would recommend them to all my friends who have plumbing needs!"
Response time2 days
Response rate100%
Recommended by93%of homeowners
Avatar for Knockout Plumbing & Mechanical, LLC
Knockout Plumbing & Mechanical, LLC
5.0(
14
)
Plumbing for a Remodel or Addition - Install

Serving Renton, WA and surrounding areas

Approved

In business since 2019

Emergency services offered

Warranties offered

"Zach and his crew were amazing! Our old water heater sprung a massive leak at 2:00am on a Saturday morning. Contacted Zach at 7:30am and he called right back and was here within the hour. Not only did we replace our water heater with a tankless model, but also moved it from the second floor to garage. Zach did all of this on a Saturday for a flat fee!! He and his crew were here for 9 hours without complaint or even seeming to take a rest!! Knockout Plumbing is indeed a 'Knockout' and I would highly recommend!! Kudos to all!!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+53

Recommended by100%of homeowners
Avatar for Puget Sound Builders & Renovation
Puget Sound Builders & Renovation
5.0(
1,366
)
Plumbing for a Remodel or Addition - Install

Serving Renton, WA and surrounding areas

Approved

In business since 2006

Credit card accepted

Customers say: True professional

"Puget Sound BNR recently completed this stunning kitchen remodel, bringing new life to the heart of the home. The project included updated cabinetry, stylish countertops, modern lighting, and a more functional layout for better flow. The result is a bright, welcoming kitchen built for cooking, gathering, and making memories."
Bathroom Renovation
Basement Remodel
Bathroom Renovation
Basement Remodel
Kitchen Remodeling

+23

70 neighbors recently requested a quote
Avatar for Northwest Hydrojetting, LLC
Northwest Hydrojetting, LLC
5.0(
15
)
Plumbing for a Remodel or Addition - Install

Serving Renton, WA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"I have used this plumber for over 4 years now - they respond immediately to any concern, are the most honest and fair people out there! Anything from simple drain clear, or water heater install, to a side sewer and complete DADU plumbing installation…they do it all, and with great communication! I pass their name and number to anyone who is looking for an honest and reliable plumber!"
Camera inspection
Camera inspection
Repairs
Remodels
Remodels

+11

Response time4 hrs
37 neighbors recently requested a quote
Recommended by7%of homeowners
Avatar for SeaTown Electric Heating and Air
SeaTown Electric Heating and Air
4.7(
1,638
)
Plumbing for a Remodel or Addition - Install

Serving Renton, WA and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"They were on the high end in terms of the pricing but they were available to install within a few days after I accepted their proposal instead of waiting FY or a month or more. They were punctual as Ms professional."
Seattle's Rewire Specialists
Generator
Tesla Chargers
Knob and Tube Removal
Ductless Install

+26

Response time1 day
10 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Private I Plumbing LLC
Private I Plumbing LLC
5.0(
15
)
Plumbing for a Remodel or Addition - Install

Serving Renton, WA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"Mark, owner of Private I Plumbing, handled my water heater in a professional manner with no nonsense. He came up with solutions based on our needs at a reasonable price. Would love to hire him again for future projects."
Water heater replacement
Water heater replacement
Response time6 hrs
Response rate100%
46 neighbors recently requested a quote
Maintenance & Landscaping Pros
3.9(
30
)
Plumbing for a Remodel or Addition - Install

Serving Renton, WA and surrounding areas

Approved

In business since 1992

Free estimates

Small jobs welcome

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

Laundry Room Remodel
Laundry Room Remodel
Laundry Room Remodel
Laundry Room Remodel
Laundry Room Remodel

+31

Response time3 hrs
Response rate100%
3 neighbors recently requested a quote
2 Sons Plumbing
5.0(
5
)
Plumbing for a Remodel or Addition - Install

Serving Renton, WA and surrounding areas

Approved (Corporate)

In business since 2017

Credit card accepted

Offers commercial services

2 Sons Plumbing is a full-service plumbing and sewer company serving the greater Seattle area. Known for reliable service, honest recommendations, and quality workmanship, our team handles everything from everyday plumbing repairs to complex sewer solutions—helping homeowners keep their systems running smoothly year-round.

17 neighbors recently requested a quote
...
Showing 1-10 of 224
FAQs for plumbing installation for a remodel or addition projects in Renton, WA

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 Renton, WA 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.