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

Kiwi Restorations, LLC
5.0(
2
)
Plumbing for a Remodel or Addition - Install

Serving Bohemia, NY and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Shane has an unbelievable attention to detail. I am a swimming pool contractor, so I know a thing or two about what a good contractor should do, and they always meet or exceed every criteria I could ever hold them to. Communication, workmanship, commitment to their warranty, and the list goes on; everything is great. So, he has earned the highest recommendation possible from me."
Recommended by100%of homeowners
Avatar for Granville House Victorians L.L.C.
Granville House Victorians L.L.C.
5.0(
1
)
Plumbing for a Remodel or Addition - Install

Serving Bohemia, NY and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

"Granville House Victorians L.L.C. is extremely skilled and professional. My Victorian style house came out better than I could have dreamed. Granville took care of everything and they are extremely knowledgeable in what they do."
rose gardens"ChristmasCT"
rose gardens"ChristmasCT"
rose gardens"ChristmasCT"
432 East ave. Riverhead
side with caboose

+12

Response time5 hrs
Recommended by100%of homeowners
Avatar for Clearway Plumbing & Heating
Clearway Plumbing & Heating
4.6(
181
)
Plumbing for a Remodel or Addition - Install

Serving Bohemia, NY and surrounding areas

In business since 1997

Free estimates

Emergency services offered

"Placed a call on Monday, which was immediately returned by Jim, and I scheduled the work for Wednesday morning. Paul and Adam showed up on time, assessed the job, and gave me an estimate right then and there. Upon approval they began work immediately and completed it in a timely manner. They were competent, considerate, and professional. In addition, during this particular time ,they kept a distance while wearing masks for their sake and mine. Would gladly hire them again and will be keeping their card on file."
Recommended by92%of homeowners
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FAQs for plumbing installation for a remodel or addition projects in Bohemia, NY

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 Bohemia, NY 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.