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Find Plumbing installers for a remodel or addition in Knoxville

Avatar for Alfco Plumbing
Alfco Plumbing
5.0(
36
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Seem like an honest company. Came out to replace the faucet that another plumbing company installed that wouldnâ t connect to my hose. It was not the correct one. Fast response and great quality work. Would definitely hire again and recommend."
Garbage Disposal Installed
Response time1 day
4 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Mr. Rooter Plumbing
Mr. Rooter Plumbing
4.5(
463
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"I had a tankless water heater installed but needed the gas line to be dug from the other side of the house for it to be connected. The job was complicated but Luke and his crew from Mr. Rooter did a great job! I would totally hire them again for any plumbing needs. "
Install New Drains
Install New Drains
Install New Drains
Install New Drains
Install New Drains

+49

18 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Jim's Plumbing Service
Jim's Plumbing Service
4.9(
25
)

Serving Knoxville, TN and surrounding areas

Approved

Super Service Award Winner

In business since 1992

Emergency services offered

Warranties offered

"Jim was very thorough. He came when he said he would which was quickly and on Sunday. He did extra things that would improve my issue. I would highly recommend Jim for your plumbing needs."
Response time12 hrs
Response rate93%
11 neighbors recently requested a quote
Avatar for Winkle's Plumbing
Winkle's Plumbing
4.4(
76
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Great! Very professional. On time. Worked even getting soaked in the rain. Excellent choice! Would definitely hire again. Thanks!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time1 day
1 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for PROFLOW PLUMBING & DRAIN LLC
PROFLOW PLUMBING & DRAIN LLC
4.8(
17
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"ProFlow Plumbing is an company if you need Plumbing work done. Jonathan is efficient in his work. Makes sure the job is done correctly and to your approval. He takes pride in his work. Replaced my water heater, shower fixtures and a few other Plumbing items. He stayed until the job was done and to my satisfaction. I would highly recommend them for any issues you might have."
Carbon and Polyphosphate Filters to reduce chlorine & hardness.
Tankless Heater
Tankless & Filtration
Washing Machine Addition
Drain Repipe

+2

Response time4 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Plumbing Services
Plumbing Services
4.6(
16
)

Serving Knoxville, TN and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"He was very polite to me and my children. He installed 2 shower heads for me and he unclogged one of my bath tubs for me. He was very professional as well. I will definitely call him in the future if I have any more issues. I highly recommend him if you have any plumbing needs. Plus he don't charge an arm and a leg like most companies do."
unstop toliet
unstop toliet
unstop toliet
unstop toliet
Additional Photos

+11

Response time2 days
Recommended by87%of homeowners
Avatar for SMK Plumbing, LLC
SMK Plumbing, LLC
5.0(
2
)

Serving Knoxville, TN and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"SMK plumbing did a great job for me with a whole house water re-plumbing & main water line from the street. The team was efficient, professional, and polite. Job was started and completed in one day. They even moved the whole house shut off and pressure valve to a very easy to get to location."
Bathroom remodel
Bathroom remodel
Bathroom remodel
Bathroom remodel
Bathroom remodel

+15

Response time11 hrs
16 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Ramsgate Plumbing, LLC
Ramsgate Plumbing, LLC
New to Angi

Serving Knoxville, TN and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

tankless
water heater
Response time10 mins
...
Showing 1-10 of 395
FAQs for plumbing installation for a remodel or addition projects in Knoxville, TN

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 Knoxville, TN 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.