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

Avatar for Logan Services A/C, Heat & Plumbing
Logan Services A/C, Heat & Plumbing
4.5(
444
)
Plumbing for a Remodel or Addition - Install

Serving London, OH and surrounding areas

Approved (Corporate)

In business since 1969

Free estimates

Emergency services offered

"Great experience. Reasonable price for the quality of work. We had a Trane HVAC system installed with whole house humidifier and UV Light. They came next day and had it fully installed and working by the end of the day."
New Trane AC Installation
96% Trane Furnace installed by Logan A/C & Heat Services in Columbus
Side view of new high-efficiency air conditioner.
Trane XL18i Air Conditioner from Logan A/C & Heat Services in Columbus
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+15

2 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Safe Electric & Plumbing
Safe Electric & Plumbing
4.6(
45
)
Plumbing for a Remodel or Addition - Install

Serving London, OH and surrounding areas

Approved

Super Service Award Winner

In business since 1994

Free estimates

Emergency services offered

"Excellent. We had other projects we wanted done, but they explained to us that installation of these fixtures (and a new outlet) would involved drywall being cut and they wanted us to know this before starting.  We decided this wasn't worth doing. 
They arrived for the estimate a few minutes early, and arrived the day to work right on time. Matt did the installation, and he was professional, courteous, neat and clean. He was only there 1/2  a day.
"
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+11

Response time1 day
Response rate100%
23 neighbors recently requested a quote
Avatar for Apex Plumbing, Heating and Air Pros
Apex Plumbing, Heating and Air Pros
3.8(
126
)
Plumbing for a Remodel or Addition - Install

Serving London, OH and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"We had two water heaters replaced with a single tankless water heater. Lance from Apex came in and gave us a straightforward quote. Lance and David explained the value and features we would see with our new tankless system. They clearly explained everything that was going to need to be done and did a great job all the way through completing our project. The work is clean and well executed. I will call Apex going forward for any of my plumbing needs. Great company."
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+22

Response time1 day
Response rate100%
44 neighbors recently requested a quote
Omega Roofing
4.9(
4
)
Plumbing for a Remodel or Addition - Install

Serving London, OH and surrounding areas

Approved

In business since 2019

Free estimates

Customers say: Quick response

Omega Roofing is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Call us today!

Response time6 hrs
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for The Drain Doctor of Columbus
The Drain Doctor of Columbus
4.9(
475
)
Plumbing for a Remodel or Addition - Install

Serving London, OH and surrounding areas

In business since 2014

Free estimates

"Everything went very well. Tommy connected hot and cold water lines and drain to the existing rough out plumbing. He left the area clean and free of debris. It's wonderful having the sink in the basement!"
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+19

Recommended by97%of homeowners
Avatar for Eco Plumbers, Electricians, and HVAC Technicians
Eco Plumbers, Electricians, and HVAC Technicians
4.7(
3,895
)
Plumbing for a Remodel or Addition - Install

Serving London, OH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Great technician for a fabulous company. Eco Plumbers fixed a water delivery problem that another company caused by installing an inadequate pump. Over the last winter, and again now, we have sustained hot water for all our needs. The technician was running late due to an unanticipated problem somewhere else. The office called to tell us, to provide a new window of service or a reschedule. We really appreciate that kind of communication. Everything's in good shape."
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+16

2 neighbors recently requested a quote
Recommended by91%of homeowners
JBC Plumbing LLC
4.8(
56
)
Plumbing for a Remodel or Addition - Install

Serving London, OH and surrounding areas

In business since 2003

Emergency services offered

"Our experience was great. We had to postpone for a few weeks after our purchase of the Deal. Joe got us right into his schedule once we were back onto the project. The work was done quickly and very well done. We had parts and he left us an additional set of clamps to secure the pipes. We are very happy. We have a new plumber!
"
Recommended by94%of homeowners
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FAQs for plumbing installation for a remodel or addition projects in London, OH

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 London, OH 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.