The Best Window Installers in Shelter Island, NY

Compare the highest-rated windows professionals in Shelter Island, New York. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Window Masters of the Hamptons Inc.

4.8
(180 reviews)
Verified

A highly-rated, family-owned and operated window and door company serving the East End, including Shelter Island, for over two decades. They are known for their expert installation, high-quality product lines (like Marvin and Andersen), and focus on custom solutions for both historic and modern homes. They offer a full range of services from consultation to installation.

221 Division Street, Sag Harbor, NY 11963

Specialties & Features

Custom window solutions
Energy-efficient windows
New window installation

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

All Island Exteriors

4.7
(150 reviews)
Verified

A premier contractor specializing in exterior home services across Long Island, with a strong presence on the East End. They are praised for professional project management and high-quality workmanship. While they offer roofing and siding, their window division is robust, focusing on full replacement and installation with an emphasis on improving home energy efficiency and weather resistance.

286-C Edwards Avenue, Calverton, NY 11933

Specialties & Features

Residential window replacement
Storm windows and security windows
Energy-efficient windows

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Southfork Window & Door Inc.

4.6
(90 reviews)
Verified

A specialized contractor located on the South Fork that explicitly lists Shelter Island in its service area. They focus exclusively on windows and doors, providing deep expertise in repair, replacement, and new construction installation. They work with premium brands and are known for their attentive customer service and ability to handle complex projects.

295 County Road 39A, Suite 4, Southampton, NY 11968

Specialties & Features

Window repair services
New window installation
Custom window solutions

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Shelter Island

** The windows market in Shelter Island is characterized by high quality, high cost, and moderate competition from off-island specialists. The island's architectural landscape is a mix of historic homes, classic shingle-style residences, and modern builds, demanding a range of custom and preservation-sensitive solutions. The coastal environment necessitates the use of durable, energy-efficient materials that can withstand salt air, high winds, and nor'easters, making storm and impact-resistant windows a common request. Competition is not saturated with national chains; instead, it is dominated by a select group of established local and regional contractors from the North and South Forks who have built a reputation for reliability and quality over many years. Pricing is typically at a premium due to the high-end product lines used (Marvin, Andersen, Pella), the custom nature of much of the work, and the logistical costs and scheduling complexities associated with ferry travel for crews and materials. Homeowners in Shelter Island generally expect a high level of craftsmanship and service, correlating with the elevated property values on the island.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Shelter Island regulations and climate

Frequently Asked Questions About Windows in Shelter Island

Get answers to common questions about windows services in Shelter Island, New York.

1What is the typical cost range for a full window replacement project on Shelter Island, and what factors influence the price?

For a standard full-home window replacement on Shelter Island, homeowners can expect a range of $15,000 to $40,000+, with per-window costs typically between $800 and $2,500. Key factors include the number/size of windows, the material (vinyl, wood, fiberglass), and the specific energy efficiency features needed for our coastal climate. Premium impact-resistant glass for storm protection and navigating the logistics of material delivery to the island can also add to the overall project cost.

2Are there specific permits or local regulations I need to be aware of for window installation on Shelter Island?

Yes, Shelter Island has specific regulations, especially for homes in historic districts or near wetlands. You will likely need a building permit from the Town of Shelter Island Building Department, and your window installer should handle this process. For properties in designated historic areas or if your home is over 50 years old, the project may require review by the Shelter Island Historic Preservation Commission to ensure replacement windows meet aesthetic guidelines.

3How does Shelter Island's coastal climate affect the type of windows I should choose?

Shelter Island's salty air, high humidity, and strong nor'easters demand windows with superior corrosion resistance and structural integrity. We highly recommend windows with marine-grade finishes (like anodized aluminum or specially coated vinyl), low-E glass with argon gas for energy efficiency against both cold winds and summer sun, and robust locking systems. For optimal storm protection, consider impact-resistant glass or certified hurricane-resistant window systems.

4What is the best time of year to schedule a window installation on Shelter Island, and how long does the project usually take?

The ideal scheduling windows are late spring (May-June) and early fall (September-October) to avoid peak summer traffic/ferry delays and the coldest winter weather. For a full-home project, expect 3 to 7 days of active installation work, but total project timeline from order to completion is typically 8-12 weeks due to manufacturing and the critical step of coordinating material delivery via ferry, which requires precise planning with your installer.

5What should I look for when choosing a local window installation company to work with on Shelter Island?

Prioritize companies with extensive experience working on the island, as they understand the ferry logistics, local codes, and weather challenges. Verify they are fully insured and licensed in New York State (NYS Home Improvement Contractor license). Ask for local references and examples of past work in Shelter Island specifically, and ensure they provide a detailed, written contract that includes cleanup, disposal of old materials, and a plan for managing the unique delivery schedule.