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

Avatar for Ambassador Plumbing L.L.C
Ambassador Plumbing L.L.C
5.0(
40
)
Plumbing for a Remodel or Addition - Install

Serving Augusta, MO and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"They were able to schedule my appointment the same day and had efficient and excellent service. The master plumber was knowledgeable and professional. I will definitely hire them again for any plumbing needs."
Response time1 day
Response rate100%
Recommended by90%of homeowners
Avatar for Hosack Plumbing Heating & Cooling
Hosack Plumbing Heating & Cooling
4.8(
345
)
Plumbing for a Remodel or Addition - Install

Serving Augusta, MO and surrounding areas

Approved

In business since 2009

Warranties offered

Credit card accepted

"Very good. Very professional. Explained new codes which resulted in additional parts and work to install. Answered all questions and offersed suggestions on other plumbing items to improve operation and which I could easily perform. Performed installation, tested system and verified existing plumbing continued to operate properly."
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+2

Response time8 hrs
8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Dunn Heating Air Conditioning and Plumbing
Dunn Heating Air Conditioning and Plumbing
4.7(
274
)
Plumbing for a Remodel or Addition - Install

Serving Augusta, MO and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"Very impressed with the professional appearance and demeanor of the installers. They initiated a series of pre install checks around the home that solved some issues and found a few problems that needed to be solved before they started. On top of going the extra mile, the install was successful and I'm a very satisfied customer. The manager was responsive and accommodating. Highly recommend Dunn One Hour Plumbing, Heating and Air Conditioning."
Additional Photos
Response time2 days
Recommended by89%of homeowners
Avatar for Mr. Rooter Plumbing of St. Charles
Mr. Rooter Plumbing of St. Charles
4.2(
340
)
Plumbing for a Remodel or Addition - Install

Serving Augusta, MO and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Garrett Korn was my installer from Mr. Rooter. I was informed prior to his arrival that he was on his way and he arrived shortly after 8:00 for an 8 - 10 AM window. He quickly analyzed our plumbing problem, gave us a quote right away (which I agreed to) and then left to get all the parts he needed. He was only gone for a short period of time, did all the work, and was totally completed before 10:00 AM. The quality of the work was very good and now we are up and running again. I would highly recommend Mr. Rooter and selfishly ask for Garrett. He is easy to work with and very competent."
Mr. Rooter of St. Louis
Mr. Rooter of St. Louis
Mr. Rooter of St. Louis
Mr. Rooter of St. Louis
Mr. Rooter of St. Louis

+7

Response time6 hrs
37 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Mayo Plumbing Co
Mayo Plumbing Co
4.8(
481
)
Plumbing for a Remodel or Addition - Install

Serving Augusta, MO and surrounding areas

In business since 1990

Free estimates

Emergency services offered

"John has been our go-to guy for several years now. We live in an early 70s home, and as with all older homes there are repairs that are needed fairly often. From the first time he worked for us, identifying that a leak originated from a roof vent that had been knocked slightly askew in a storm and rain water had gradually seeped down the pipes and terminated above our kitchen cabinets, he has always been prompt, courteous, professional in every way, and just an all around nice guy to work with. And the pricing has always been fair. Since then he has installed a number of appliances and fixed sundry leaks for us. Can't recommend him or his company enough. Give them a try."
Additional Photos
Additional Photos
1
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3

+3

Recommended by96%of homeowners
Avatar for The Tub Company
The Tub Company
4.6(
129
)
Plumbing for a Remodel or Addition - Install

Serving Augusta, MO and surrounding areas

In business since 1986

Credit card accepted

"This company no longer gives free estimates as was advertised on Angie's list, but the contact allowed me to send him a picture of our bathtub and he was able to quote from that.  He gave us a $50.00 discount for being an Angies list member.
"
Additional Photos
Additional Photos
Recommended by96%of homeowners
Avatar for Contemporary Refinishing
Contemporary Refinishing
4.8(
134
)
Plumbing for a Remodel or Addition - Install

Serving Augusta, MO and surrounding areas

In business since 1996

Free estimates

Credit card accepted

"Marc did a fantastic job for us! We had two properties, a rental house in University City and a condo in Clayton and both had ugly and old tile in the bathrooms and kitchen. Marc was helpful and professional in seeing the projects right away, giving us written bids and helping us select the colors. He and his workers did a great job protecting the cabinets and walls and worked quickly and efficiently. Plus they were able to squeeze us into their schedule. The baths and kitchen look brand new! We also had the tile floors in the three bathrooms sprayed and our designer thought we had laid new tile!"
Bathroom
Bathroom
Kitchen
Recommended by96%of homeowners
Avatar for Honey Do's Solutions LLC
Honey Do's Solutions LLC
4.6(
219
)
Plumbing for a Remodel or Addition - Install

Serving Augusta, MO and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"Overall went well. Had an issue with the new garbage disposal installation. But on a return trip a few days later, the problem was fixed. No additional cost. Will definitely consider hiring again for other needed repairs around the house."
Old kitchen (Before photo)
Kitchen remodel
Awesome granite
New dream kitchen
Kitchen remodel

+43

Recommended by93%of homeowners
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FAQs for plumbing installation for a remodel or addition projects in Augusta, MO

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 Augusta, MO 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.