The Best Window Installers in Westport, MA

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

#1

Almeida & Sons Construction Inc.

4.8
(180 reviews)
Verified

A well-established, family-owned and operated contractor known for high-quality residential construction and remodeling projects. They have a strong reputation specifically for window and door installation, emphasizing craftsmanship and customer service. They are a trusted name on the South Coast for both full-home renovations and specific window replacement projects.

1599 State Rd, Westport, MA 02790

Specialties & Features

New window installation
Custom window solutions
Energy-efficient windows

Business Information

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

J&S Building Center

4.5
(90 reviews)
Verified

While primarily a building supply center, J&S offers a full-service window and door installation department. Their key advantage is providing direct access to a wide range of window brands and types, including high-performance and custom options, backed by their own professional installation teams. They are a one-stop shop for product selection and expert installation.

51 Huttleston Ave, Fairhaven, MA 02719 (Serves Westport)

Specialties & Features

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

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

Advanced Window & Siding

4.7
(120 reviews)
Verified

A specialized contractor focusing exclusively on exterior home upgrades. Their dedicated expertise in windows and siding allows them to provide highly proficient service, from consultation on the best energy-efficient products to precision installation. They are frequently recommended for their professionalism and focus on detail.

Serves Westport and the greater South Coast area from a central base in the region.

Specialties & Features

Window repair services
Residential window replacement
New window installation

Business Information

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

Why These Are the Top Windows Contractors in Westport

The window service market in Westport, MA, and the surrounding South Coast region is characterized by a mix of long-standing local contractors and specialized installation companies. Due to Westport's coastal location, there is a significant demand for **energy-efficient windows** (to combat nor'easters and high heating costs) and **storm windows** for added protection. The competition is moderate, with a handful of highly reputable providers dominating the market. Homeowners tend to favor established, local companies with proven track records over large national chains. Typical pricing for a full window replacement project on a standard home can range from **$7,500 to $20,000+**, heavily dependent on the window brand (e.g., Harvey, Pella, Andersen, Provia), the level of custom work required, and the number of windows. The overall quality of service is high, as the leading contractors rely heavily on local reputation and word-of-mouth referrals.

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 Westport regulations and climate

Frequently Asked Questions About Windows in Westport

Get answers to common questions about windows services in Westport, Massachusetts.

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

In Westport, a full window replacement for a standard-sized home typically ranges from $15,000 to $30,000+, but this varies widely. Key cost factors include the number and size of windows, the material (vinyl, wood, or fiberglass), the energy efficiency rating (crucial for our coastal New England climate), and the complexity of installation in older Westport homes which may have uneven frames or historical considerations. Always get itemized quotes from multiple local providers.

2When is the best time of year to schedule window installation in Westport, MA, and how long does the project usually take?

The ideal times are late spring (May-June) and early fall (September-October) to avoid Westport's peak summer humidity and the harsh, unpredictable winter weather that can complicate installations. For a full-home project, expect 2-5 days of work, but material lead times can add several weeks. Scheduling well in advance for these prime seasons is essential, as local installers' calendars fill up quickly.

3Are there any local building codes or historical district regulations in Westport that affect window replacement?

Yes, Westport has specific regulations, especially in its historic districts and for homes near the coast. The Westport Historical Commission may have guidelines on window style, materials, and appearance for homes in designated areas to preserve architectural integrity. Additionally, all installations must comply with the Massachusetts State Building Code, which includes strict energy efficiency standards (Chapter 1150A CMR) to ensure windows can handle our cold winters and nor'easters.

4How do I choose a reputable window installation contractor in the Westport area?

Prioritize contractors who are licensed, insured, and have a proven physical presence in Southeastern Massachusetts. Check for membership in local associations and ask for references from recent projects in Westport or nearby towns like Dartmouth or Fall River. A trustworthy provider will offer a detailed, in-home assessment (not just a phone quote) and clearly explain how they will handle our local weather challenges, such as sealing against coastal wind-driven rain.

5What are the most important energy efficiency features to look for in windows for a Westport home?

Given Westport's climate with cold winters, humid summers, and strong coastal winds, look for windows with a low U-factor (for heat retention), a low Solar Heat Gain Coefficient (SHGC) to manage summer heat, and a high Design Pressure (DP) rating to withstand storms. The ENERGY STAR Most Efficient criteria for the Northern climate zone is an excellent benchmark. Features like double or triple-pane glass filled with argon gas and warm-edge spacers are highly recommended for long-term comfort and energy savings.