The Best Window Installers in Smithtown, NY

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

#1

Smithtown Window & Siding Inc.

4.8
(180 reviews)
Verified

A locally-owned and operated company specializing in high-quality window and siding replacements for residential properties. They are known for their personalized service, attention to detail, and use of premium materials. They offer free, no-obligation consultations and are a top choice for homeowners seeking a dedicated local contractor.

80 Maple Avenue, Smithtown, NY 11787

Specialties & Features

Energy-efficient window replacement
Custom vinyl windows
Full-frame installation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Window King of Long Island

4.7
(220 reviews)
Verified

While based just outside Smithtown, Window King has a dominant presence and excellent reputation throughout Suffolk County. They are a larger operation than a single-town contractor and often have a wider selection of brands and products. They are praised for their professional crews and efficient installation processes.

125 Maxess Road, Melville, NY 11747 (Serves Smithtown)

Specialties & Features

New construction windows
Bay and bow windows
Security and impact-resistant windows

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

The Window & Door Shop Inc.

4.6
(150 reviews)
Verified

A family-run business with deep roots in the community, focusing on custom window solutions and expert repair services. They are particularly noted for their ability to handle complex or historical window projects and for their strong customer service follow-up.

80 Lou Avenue, Holbrook, NY 11741 (Serves Smithtown)

Specialties & Features

Custom wood and clad-wood windows
Historical window repair
Storm window installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Smithtown

The window replacement and installation market in Smithtown, NY, is competitive and service-oriented, reflecting the affluence and older housing stock of the area. The quality of providers is generally high, with a mix of long-established local family businesses and larger regional companies vying for business. Homeowners in Smithtown are typically well-informed and value energy efficiency, durability, and aesthetic appeal. Due to the age of many homes, full-frame replacement is a common request. Pricing is on the higher end of the national average, reflecting the higher cost of living and labor on Long Island. A standard double-hung vinyl window replacement can range from $800 to $1,500 per window installed, with custom, wood, or high-performance models costing significantly more. The market is not saturated with low-quality, fly-by-night operators; instead, it is dominated by reputable, licensed, and insured contractors who rely on word-of-mouth and long-standing community relationships.

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 Smithtown regulations and climate

Frequently Asked Questions About Windows in Smithtown

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

1What is the typical cost range for a full window replacement in a Smithtown home?

For a standard double-hung vinyl window replacement in Smithtown, homeowners can expect to pay between $800 and $1,200 per window, including professional installation. This range accounts for the higher labor and material costs typical of Long Island and factors in the specific energy efficiency needs for our climate. The final price varies significantly based on window size, material (e.g., wood, fiberglass), brand, and the complexity of the installation, such as dealing with older home frames or rot.

2How does Smithtown's coastal climate affect my choice of replacement windows?

Smithtown's proximity to the Long Island Sound means your windows must withstand salt air, high humidity, and nor'easters. We strongly recommend windows with a durable, non-corrosive exterior cladding (like vinyl or aluminum-clad wood) and a low-E, argon-gas-filled insulated glass unit. These features combat moisture-related rot, improve resistance to strong winds, and provide superior insulation against both winter cold and summer heat, aligning with New York's energy codes for our zone.

3Do I need a permit to replace windows in my Smithtown home?

Yes, the Town of Smithtown Building Division generally requires a permit for window replacements that alter the structural opening or when changing the style/size. This ensures the installation complies with the New York State Uniform Fire Prevention and Building Code, including egress requirements for bedrooms. A reputable local installer will typically handle the permit application process on your behalf, which is a key service to confirm when choosing a provider.

4What is the best time of year to schedule window installation in Smithtown?

While modern installations can be performed year-round, the ideal seasons in Smithtown are late spring (May-June) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for the sealing materials to cure properly and minimizes your home's exposure to extreme temperatures during the installation. Scheduling during these shoulder seasons also helps you avoid the peak summer demand and winter rush for emergency replacements.

5What should I look for when choosing a window installation contractor in Smithtown?

Prioritize contractors who are licensed and insured in New York, have extensive local experience with Smithtown's housing styles (from older colonials to newer developments), and can provide physical references from nearby projects. Verify they are a certified installer for their window brands, which ensures warranty validity. Always check for membership in local organizations like the Long Island Home Builders & Remodelers Association and review their standing with the Suffolk County Department of Consumer Affairs.