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Find Plumbing installers for a remodel or addition in West Islip

Avatar for Granville House Victorians L.L.C.
Granville House Victorians L.L.C.
5.0(
1
)

Angi Approved

In business since 2005

Free estimates

Customers say: Quick response

"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."
Recommended by100%of homeowners
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Tri Seasonal Plumbing, Inc.
4.5(
18
)

Angi Approved

In business since 2025

Free estimates

Emergency services offered

"I called Jim for a frozen pipe, and I’m so glad i did. They responded quickly, diagnosed the issue right away, and had it repaired before it caused any further damage. The plumber was professional, courteous, and took the time to explain what caused the problem and how to prevent it in the future. Fair pricing and great service - highly recommend."
9 neighbors recently requested a quote
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Avatar for Cesspool Kings Inc.
Cesspool Kings Inc.
5.0(
8
)

Angi Approved

Free estimates

"I found Cesspool Kings and John answered my call to fix/replace a kitchen faucet. He was able to accommodate us on the same day. After sending him pictures of our problem he immediately responded and went out to buy a new faucet and replace it with no problem. He was very nice and knowledgeable about the work. Pricing was very reasonable and would highly recommend Cesspool Kings. We will definitely use their services again for all our plumbing and cesspool needs. Five Stars ⭐️⭐️⭐️⭐️⭐️"
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Showing 1-10 of 1022
FAQs for plumbing installation for a remodel or addition projects in West Islip, 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 West Islip, 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.

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