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Top-Rated Doors (exterior) installers and replacers in Central Islip - Updated Nov 2026

Avatar for BuildingLI.com - BLI Facilities LLC
BuildingLI.com - BLI Facilities LLC
5.0(
32
)
Doors (Exterior) - Install or Replace

Serving Central Islip, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Hector and Moises were excellent! Hector came with one other of their crew and assembled my permanent gazebo. I have stone pavers and they were very careful in cutting them and digging Deep enough to establish a good anchor. They even installed railings for my back stoop. I would highly recommend them! Clean... affordable and professional."
before demo
kitchen demolition
demolition complete
kitchen tile job in progress
kitchen tile

+172

Response time7 hrs
Recommended by76%of homeowners
Avatar for Mr. Handyman of Huntington and Smithtown
Mr. Handyman of Huntington and Smithtown
4.6(
97
)
Doors (Exterior) - Install or Replace

Serving Central Islip, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Warranties offered

Small jobs welcome

"Pat was upfront about everything. Efficient, clean and did what was I needed done. He took on multiple annoying jobs I couldn't do and did them well. Jason helped on my cabinets doors that were installed poorly years ago. I am happy with the work and glad I called for them to do the work."
Bath Wainscot
Before and After Photos
Before and After Photos
Before and After Photos
Fence and Gate Replacement

+130

Response time3 days
17 neighbors recently requested a quote
Recommended by67%of homeowners
Avatar for New Edge Carpentry
New Edge Carpentry
5.0(
11
)
Doors (Exterior) - Install or Replace

Serving Central Islip, NY and surrounding areas

Approved

In business since 2009

Customers say: Quick response

"First off Rob is a TRUE Professional! We just had new carpet and tile installed throughout the house from a big box store. They removed and replaced trim where they laid tile but not carpet. This left us with mismatched base moulding. Rob was able to correct. Corners are tight, heights are matching, and everything it clean! Courteous, exacting and top notch! Takes his time, does it right the first time. Reasonably priced, exceptional value for the job! Really and truly above and beyond. THE REAL DEAL! Highly recommend!"
Bifold doors/flooring and trim
window/floor trim and laminate flooring
trim installation
floor and window trim installation
sliding door installation

+1

Response time4 hrs
Recommended by100%of homeowners
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Showing 1-10 of 350
FAQs for doors (exterior) installation and replacement projects in Central Islip, NY

If your entry bakes in direct sun, fiberglass is the clear winner. The material shrugs off extreme heat, stays energy-efficient, and won’t warp or fade the way wood sometimes can. Paired with low-E or UV-blocking glass, a quality fiberglass door keeps hot air out, cool air in, and should serve you reliably for roughly two decades.

A seasoned door pro can hang a replacement door in two to four hours—mounting the slab, tweaking the fit, and adding hinges, knobs, and weatherstripping. If the jamb needs repairs or you’re cutting a brand-new opening, plan on extra time so everything lines up and seals tightly. Either way, most projects wrap up in a single afternoon.

The Central Islip, NY homeowners’ guide to doors (exterior) installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.