Coastal Windows, LLC
Call (631) 972-7748

Window & Door Replacement Across Suffolk County

Free in-home estimate. No pressure, no pushy sales pitch. Just honest options and a clear price.

✓ Pella, ProVia & Andersen products

✓ Licensed & insured Long Island contractor

✓ North Shore, South Shore & the Hamptons
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We'd love to hear from you! Please fill out the form and we'll get back to you as soon as possible. This information helps us quickly respond to you in the most efficient way possible in the Window Industry! We look forward to connecting! 

-Reed (Owner)
First Name Last Name E-mail Phone Street Address
What type of replacement are we doing?
Windows
Front Entry Door
Patio Door / French Doors
All of the above.
Timeline to Start/Finish Project.
ASAP
1-3 Months
6 Months - 1 Year
Let us know, what’s important to you? (Choose Two)
Clear Communication
Quality Installation
Licensing and Insurance
Pricing/Cost
Product Knowledge
I have received other quotes.
Yes
No
Please provide us your availability for a FREE In home consultation! We aren’t like the Big Brands, we won’t take 3 hours of your time. 😉
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Our Services

Explore our premium window and door replacement offerings.

Window Replacement

Our window replacement service is second to none. We provide energy-efficient, custom solutions to keep your home comfortable year-round. Free consultation available — call, text, or email!

Door Replacements

Not just windows — we also specialize in door replacements. Whether it's enhancing curb appeal or upgrading energy efficiency, we'll install beautiful, durable doors that fit your needs.

Why Suffolk homeowners choose us

No high-pressure sales

You get an honest quote and time to decide. No same-night deals or pushy tactics.

Free in-home estimate

We measure, walk through your options, and give you a clear written price.

Brands we trust

Pella certified contractor, ProVia authorized contractor, and Andersen replacement window specialist.

Serving all of Suffolk County

North Shore

St. James, Smithtown, Stony Brook, Port Jefferson, Huntington, Northport

           

South Shore

Babylon, Bay Shore, Islip, Patchogue, Sayville

       

East End & Hamptons

Riverhead, Westhampton, Southampton, Sag Harbor, East Hampton

Credentials

Pella Certified Contractor

ProVia Authorized

Andersen Replacement Specialist

NY Home Improvement Lic. #HI-73772

Why Choose Coastal Windows, LLC?

Discover the top reasons why we're Long Island's premier window and door experts.

Local Expertise

We understand the specific needs of Long Island homes.

Quality Materials

We use only the finest, energy-efficient materials for durability.

Commitment to Excellence

Our installations are done right the first time, guaranteed.

Get in Touch with Us

Reach out for premium window and door solutions today!

Saint James NY

(631) 972-7748

reed@longislandcoastalwindows.com

24/7

Ready for a no-pressure quote?
Call (631) 972-7748

Transform Your Home Today

Ready to enhance your home's comfort and style? Contact Coastal Windows, LLC now for a free consultation, and let us bring your vision to life!
Upgrade Your Home