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Find Plumbing installers for a remodel or addition in Gaithersburg

Avatar for Aqueduct Plumbing Services
Aqueduct Plumbing Services
5.0(
26
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Excellent. Aqueduct Plumbing went above and beyond. We have multiple properties, mostly commercial and one residential. Clayton addressed each with the same level of detail, professionalism, and care. In addition, we had a daunting project that most turned their back on…Clayton came through. A+ service. A+ staff."
Navien Tankless Water Heater with Scale Filter
Moen Pulldown Kitchrn Faucet, Garbage Disposal, & Continuous Waste Drain
Steeped Tea Cafe - Multiple Tasks
PVC Closet Flange Replacement
Moen MotionSense Kitchen Faucet

+19

Recommended by73%of homeowners
Avatar for Fred and Son Plumbing
Fred and Son Plumbing
4.8(
67
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 1990

Free estimates

Customers say: True professional

"I contacted Fred by email first, as on his website, it says you can either call or email. But there was no response to my email for a couple of days, so I decided to call. Fred asked me to text him my address. He made an appointment to come to the house a couple of days later. He came on time, drilled a hole through the concrete block in the basement and installed a new faucet. He added a bleeder valve to the copper pipe and explained how I should bleed the pipe after turning off the inside valve before the cold winter months. Fred was pleasant and informative. He did a good job. It took about an hour and 15 minutes. To contact Fred, you might want to send him an email explaining the work needed, and include your phone number so he can call you back. Or send him a text that includes your address."
Recommended by100%of homeowners
Avatar for DAY & NIGHT PLUMBER LLC
DAY & NIGHT PLUMBER LLC
4.8(
90
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"AWESOME. great work, this is the best pluming experience I have had in DC. EFFICIENT CLEAN AND ON TIME. Ro was an absolutely great to work with. Day and Night plumbing is my #1 for plumbing."
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+1

Response time10 hrs
1 neighbors recently requested a quote
Recommended by98%of homeowners
Joseph plumbing & drain
4.9(
144
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Emergency services offered

"Kap from Joseph Plumbing and Drain was great. I requested a quote Saturday morning and they came out within a few hours. We scheduled the work for Friday and they arrived on time, were friendly and professional, and did excellent work installing my new main water shut-off valve. Highly recommend."
Response time6 hrs
Response rate99%
6 neighbors recently requested a quote
Avatar for Remedy Plumbing and Drain Cleaning
Remedy Plumbing and Drain Cleaning
4.9(
65
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"My garbage disposal went out. I called multiple plumbers. Rema, the owner, responded immediately on a Saturday. He serviced my garbage disposal the next day, a Sunday, and did not charge an emergency fee. Rema arrived on time, very professional, and friendly, I would highly recommend Rema of Remedy plumbing."
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Recommended by92%of homeowners
Avatar for Len The Plumber Heating & Air, LLC
Len The Plumber Heating & Air, LLC
3.9(
667
)

Serving Gaithersburg, MD and surrounding areas

Approved (Corporate)

In business since 1996

Emergency services offered

Credit card accepted

"Are You Looking for top-notch web development or digital marketing services? We’re here to help your business thrive! - Web Development: Build modern, responsive, and stunning websites. - SEO: Boost your online visibility and rank higher on Google. - Graphic Design: Create eye-catching visuals that stand out. - Business Promotion: Attract and retain customers effectively. - Digital Marketing: Drive growth and results with smart strategies. Click here to inbox us on WhatsApp and get started: [*** Link removed ***]"
Additional Photos
Response time10 hrs
Response rate85%
59 neighbors recently requested a quote
Avatar for Douglas & Son Services
Douglas & Son Services
4.7(
23
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"They are very informed about systems throughout the house and are active educators for their clients for MAINTENANCE and saving money! The family owned business is impressive, as their son is ALREADY a JOURNEYMAN in both plumbing and I believe soon to be HVAC expert as well. They are serious about their knowledge and offerings. - Erin Fussell"
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+6

Response time11 hrs
Response rate94%
1 neighbors recently requested a quote
Markool Heating & Cooling, LLC
4.7(
18
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Woke up this morning to my hvac leaking and contacted Markool. I have never used them before and was in a pinch. They fit me right in this morning and were out at my house within 2 hours. The tech stepped in the door and placed covers for his shoes so he did not track in any dirt which was impressive! The tech was very professional and super friendly. Problem was diagnosed and FIXED within an hour. The price was extremely reasonable to the point I was shocked in a good way (expecting a higher price). Anyways, I will most certainly be a returning customer. Thank you Markool Heating Cooling Plumbing."
Response time1 day
11 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for HPC Services
HPC Services
4.7(
23
)

Serving Gaithersburg, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"performed an evaluation of my plumbing issue and explained everything he was inspecting and considering. He is smart, articulate, confident and welcomed my questions. I respect this level of expertise."
installing a boiler refractory blanket, and cleaning inside of boiler
installed straight ac unit
rooftop package units
replacing a heat exchanger on an rtu
past work

+12

21 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Family Plumbing Services LLC
Family Plumbing Services LLC
4.1(
12
)

Serving Gaithersburg, MD and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"My water heater started leaking on a Sunday. I reached out to Family Fire Service and they responded immediately. They had a new water heater out to my house the next day and installed in a few hours. The supervisor and the tech worked seamlessly to have us up and running. They provided quality service and at a very competitive price. I highly recommend Family Fire Service and Plumbing. KC"
WH Replace
Sewer Repair
Battery Back Up
Camera Inspection
Clogged Sewer Snake

+1

Response time5 hrs
191 neighbors recently requested a quote
Recommended by20%of homeowners
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Showing 1-10 of 376
FAQs for plumbing installation for a remodel or addition projects in Gaithersburg, MD

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 Gaithersburg, MD 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.