Professional siding, window and door installation across Massachusetts by Maia Construction, a licensed contractor based in Charlton
Williamstown, MA • Windows • 5-Star Rated

Expert Windows in Williamstown, Massachusetts

We have worked on enough Williamstown exteriors to know what tends to be waiting behind the old material. Between gilded age mansions and ski-area chalets, most of what we open up here is 60-150+ years old. On top of that, Berkshire County deals with snow load and wind exposure that come with elevation.

Licensed & Insured
5-Star Rated
Quality Guarantee

Why Williamstown Homeowners Choose Us

10+ Years of Excellence

Over a decade transforming Massachusetts homes. 500+ projects completed with expert precision and attention to detail.

MA Licensed (HIC #204634)

Fully licensed, bonded, and insured. Your investment is protected from start to finish with our comprehensive coverage.

5.0 Star Google Rating

Consistently rated 5 stars across 19 verified reviews. Our customers' satisfaction speaks louder than any advertisement.

Transparent, Fair Pricing

No surprises, no hidden fees. Get detailed written quotes upfront — we honor our prices and never upsell.

Premium Materials Only

We partner with top brands: James Hardie, CertainTeed, Andersen, Therma-Tru. 25-50 year manufacturer warranties included.

Local & Responsive

Charlton-based family business. We answer calls personally, respond same-day, and treat your home like our own.

Expert Windows Services in Williamstown, MA

We have worked on enough Williamstown exteriors to know what tends to be waiting behind the old material. Between gilded age mansions and ski-area chalets, most of what we open up here is 60-150+ years old. On top of that, Berkshire County deals with snow load and wind exposure that come with elevation.

We have been working across Berkshire County since 2015, and the pattern is consistent: the jobs that come back are the ones where somebody rushed the parts nobody sees. Mountain-altitude weather severity is common enough in Williamstown that we price for it rather than acting surprised. Our crews are our own employees. We do not sell the job and hand it to whoever is available, and the person who quoted your project is on site while it runs.

Comprehensive Windows Services in Williamstown, MA

Concretely, on a Williamstown project that means full-frame replacement where the sill or jamb is compromised, rather than hiding it behind an insert; custom-sized units for out-of-square openings, so the seal is even all the way round; Low-E coatings and argon fill matched to which way the wall faces. Materials are rated for the New England climate zone, and we account for longer winters and a shorter installation season than the eastern half of the state. None of that is exotic. It is manufacturer specification, followed properly, which is a lower bar than the industry's reputation suggests and still the thing that decides how the wall looks in year twelve.

What We Offer

ENERGY STAR double and triple-pane units
Full-frame and insert replacement
Custom sizing for out-of-square openings
Bedroom egress compliance
Bay, bow and picture windows
Casement, awning and double-hung
Sill pan flashing and air sealing
Interior and exterior trim restoration

Why Williamstown Trusts Maia Construction

Williamstown is 105 miles out for us, which is inside the radius where we can get back quickly. We have worked in West Williamstown, North Williamstown, South Williamstown. That distance is mostly about the boring things: being there for the inspection, and coming back out under warranty without it being an expedition. MA HIC #204634, fully insured, 5.0 stars from 19 Google reviews. If you want to see the work, several of the jobs in our portfolio are within a short drive of Williamstown.

Common Windows Challenges in Williamstown

out-of-square openings in older homes, where a stock unit will never seal properly
rotted sills under windows that were flashed poorly the first time
original single-pane sashes with failed glazing putty and no weatherstripping left
heavy snow load stress on roofs and siding

Our Windows Solutions for Williamstown Homes

full-frame replacement where the sill or jamb is compromised, rather than hiding it behind an insert
custom-sized units for out-of-square openings, so the seal is even all the way round
Low-E coatings and argon fill matched to which way the wall faces

Williamstown Neighborhoods We Serve

We provide windows services to every neighborhood in Williamstown, Berkshire County, including ZIP code 01267:

Williamstown CenterNorth WilliamstownSouth WilliamstownEast WilliamstownWest Williamstown

Williamstown Housing Types We Work On

Our team has extensive experience with the housing stock found throughout Williamstown, with homes averaging 60-150+ years old:

Gilded Age mansions
ski-area chalets
mill-town duplexes
Berkshire cottages
converted school buildings

Our Windows Process in Williamstown

01

Measure every opening

Each one individually — in an older home no two are quite the same.

02

Choose glass and frame

Frame material, glass coating and gas fill chosen per elevation, since a south wall and a north wall want different things.

03

Written quote and permit

A price per opening and the permit filed by us, with egress checked before anything is ordered.

04

Protected removal

Interior floors and furniture covered; one opening is closed up before the next is opened.

05

Set, flash and air-seal

Shimmed at the load points, foamed with low-expansion only, and flashed so water sheds outward.

06

Trim, inspection and handover

Municipal inspection, then we show you how each unit operates and cleans.

Cost Range

$650–$1,400 per opening installed, depending on size and frame

Timeline

a single day for a handful of openings, two to three for a full house

Warranty

manufacturer coverage on glass seals and hardware, backed by our own 5-year guarantee

5.0★

Google Rating

500+

Projects Done

105mi

From Williamstown

FREE

Estimates

Windows Transformations

See the quality of our windows work in Berkshire County

Whole-House Siding Replacement completed project in Atkinson, NH - After renovation by Maia Construction
AFTER
Whole-House Siding Replacement in Atkinson, NH - Before renovation, original condition
BEFORE
Drag to compare

Whole-House Siding Replacement

Atkinson, NHSiding

Rear elevation — the orange cedar gable and two mismatched greys replaced with one vinyl exterior.

See the full project →

Recent Projects

View All Projects

Windows Projects in Action

Watch our team install windows across Massachusetts

Complete Home Renovation - Maia Construction home improvement project in Massachusetts

Complete Home Renovation

Click to watch

Exterior Transformation - Maia Construction home improvement project in Massachusetts

Exterior Transformation

Click to watch

What Our Customers Say

5.0 across 19 Google reviews — from homeowners near Williamstown and across Massachusetts.

5 out of 5 stars
Excellent service. Very thorough ProVia storm door installation. Marcos from Maia Construction was professional, courteous, kept me informed at all times. You should give him a try.

Dave, Village Dental Health

ProVia storm door installation

5 out of 5 stars
Marcos and his team do excellent work. They are very professional and courteous. We highly recommend them!

Ty Monroe

5 out of 5 stars
We had Maia Construction replace siding and trim and were very pleased with all of their work. They were extremely professional and timely and we had a very good experience.

Nathaniel Lee

Siding and trim replacement

Read all 19 reviews on Google →

What Our Customers Say

Real verified reviews from Massachusetts homeowners

Loading reviews...

Windows FAQs — Williamstown, MA

Common questions from Williamstown homeowners about windows

Do you pull the permits, or do I?

We handle it. Filing with Williamstown, booking the inspection slots and being there when the inspector arrives are all ours under HIC #204634. You should not be chasing paperwork for work you are paying for.

What usually goes wrong with windows on homes in Williamstown?

The three we see most often here: out-of-square openings in older homes, where a stock unit will never seal properly; rotted sills under windows that were flashed poorly the first time; and original single-pane sashes with failed glazing putty and no weatherstripping left. Locally, mountain-altitude weather severity comes up repeatedly on gilded age mansions.

What happens if you find rot once you have started?

It gets photographed and shown to you the same day. Because the repair rate is already agreed, finding rot changes the invoice by a known amount rather than an argued one.

How long will window replacement take on my Williamstown home?

Plan on a single day for a handful of openings, two to three for a full house. Berkshire County weather does move schedules — longer winters and a shorter installation season than the eastern half of the state is the usual reason — so we build a weather margin into the date we give you rather than promising one we cannot hold.

What does window replacement cost in Williamstown?

Our Williamstown projects generally land at $650–$1,400 per opening installed, depending on size and frame. The spread comes down to size, material and what we find once the old work comes off — which is why our written quote includes an agreed rate for hidden damage rather than a guess. Estimates are free and we do not price on the doorstep.

Can you match existing work on part of the house?

Sometimes. On a gilded age mansions we can often match a single elevation closely enough that it reads as original. Where the existing material has faded past matching, we will say so rather than sell you a repair you will be unhappy with.

Service Area: Williamstown, MA

Ready to Transform Your Williamstown Home?

Ready for professional windows? We're just 105 miles away. Call now or request a free quote — no obligation.

MA HIC #204634
5.0 Star Rating
Same-Day Estimates

No pressure, no obligation — just honest advice from local experts