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Add Value To Your Sag Harbor, NY Home
With Custom Doors And Windows

Investing In Quality Products
Will Make Your Home Stand Out


A custom door and window can drastically transform the look and appeal of your home. From giving it more value to making it far more energy efficient, it’s a worthwhile investment to have custom doors and windows in Sag Harbor, NY.

We know the importance of working with professionals who can match your style and aesthetic. From using the best, high-quality materials to fulfilling all of your visual standards in perfect order, our team is here to help you. If you’re ready to embark on a transformation that will turn your home into a unique representation of you, contact us.



We Offer You The Best Custom Doors & Windows
For Sag Harbor, NY Homeowners

Bright red door of Sag Harbor, NY home

Custom Doors

Give a strong, fantastic first impression to visitors and passersby with a custom door from our team. We supply custom doors from reliable manufacturers that only use high-end, quality materials. From intricate designs to simplistic styles that stand out, we’re ready to work with you.


Double, white, custom windows in Sag Harbor, NY home

Custom Windows

A custom window has a laundry list of benefits. Make your home more energy efficient, give it more protection, and allow more beautiful, natural sunlight in. A custom window does wonders for both your home’s interior and exterior. Let our team help you find the best windows for your home’s aesthetic.


White home with dark green door and white windows in Sag Harbor, NY

The Rockman Windows & Doors Process

How We Provide Quality Service
To Each And Every Customer


#1: Giving Our Customers The Best

There are no setbacks or hurdles we can’t overcome. When it comes to working with us, we do everything to give you the best experience possible. Our team of hardworking professionals is always dedicated to your project’s success.

#2: Preparation And Planning

From the moment you call us, we’re on the job. We meticulously plan every step of the process, from design to materials to ordering with manufacturers. We focus on even the smallest details in order to ensure your custom project meets all your standards.

#3: The Best For The Job

We’re the leading supplier of custom doors and windows in the Suffolk County area. With over 200 years of combined experience under our team’s belt, we know we’re the best option for the job.

#4: Our Process For Successful Projects

When it comes to giving the best experience to our customers, we always aim for perfection. We work as a team to overcome every obstacle and hurdle a project comes with. With Rockman Windows & Doors, we’re here for you from start to finish with the most professional team in the business.


Rockman Windows & Doors Reviews

See What Customers Have To Say…


“Rockman Windows & Doors consistently delivers exceptional results to our architectural clients throughout the Hudson Valley. Their knowledge of window and door products is deep and extensive, and their delivery and service record is second to none. Ashokan Architecture highly recommends Rockman Windows & Doors to all who are planning new construction and renovation projects, both commercial and residential.” – Brad B.
“Rockman Windows & Doors was a pleasure to work with on a very complicated project where a firm with lesser skills and resources would have struggled. Making those big windows work was no joke.” – Gideon G.
“From the beginning of the selection process, Jason and Carl were extremely helpful in meeting with us and answering our many questions about the product. Also, although the ordering process was a little more involved than I was used to, they had the patience I needed from them to make sure we had the order specifications 100% accurate. Carl was on the job when the windows were delivered to ensure everything went well. We are very happy with the quality of the product, and I am personally looking forward to working with Carl and Jason on future projects.” – Brennan C.

5 Questions Suffolk County Homeowners
Ask About Rockman Windows & Doors

Q: Do You Work With Homeowners?

A: Yes, our team works with both homeowners and professional tradespeople – We believe it takes a team consisting of architects, builders, and homeowners when it comes to custom door and window orders.

Q: Do Your Doors And Windows Have Warranties?

A: Yes, all of the windows and doors come with above-industry standard warranties honored by the manufacturer. We are here to facilitate those warranties.

Q: How Experienced Is Your Team?

A: Combined, our team has over 250 years of experience. We’re extremely knowledgeable when it comes to windows and doors.

Q: Will You Be The One To Install Our Doors And Windows?

A: While we do provide you with your doors and windows and bring them to the job site, we do not perform the installation. However, we do inspect the doors and windows after the installation to ensure it was done properly and everything works as intended.

Q: Where Can I Learn About Rockman Windows & Doors?

A: Here are other pages of our website where you can learn more about our company: FAQ, Blog, Case Studies, Careers



Are you ready to take your home to the next level?

Contact us today to schedule a consultation.

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