“Marcos and his crew did an amazing job on our home. We had vinyl siding put on along with new construction windows installed. We could not be happier and have already recommended them to others.”

Expert Windows in Granby, Massachusetts
Most windows work we do in Granby starts the same way: a homeowner has noticed something they cannot quite diagnose. Granby is academic and agricultural communities in the Pioneer Valley, and its college-town victorians share a fairly predictable set of exterior problems. Add heavy summer storm activity followed by hard winter cold, and the details that matter become obvious.
Why Granby 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 Granby, MA
Most windows work we do in Granby starts the same way: a homeowner has noticed something they cannot quite diagnose. Granby is academic and agricultural communities in the Pioneer Valley, and its college-town victorians share a fairly predictable set of exterior problems. Add heavy summer storm activity followed by hard winter cold, and the details that matter become obvious.
We have been working across Hampshire County since 2015, and the pattern is consistent: the jobs that come back are the ones where somebody rushed the parts nobody sees. On Granby homes specifically, historic home renovation challenges and energy efficiency upgrades in old structures are what we plan around before a crew is booked. We do not subcontract. That is the whole reason we can hold a start date and the reason the standard does not drop between the first elevation and the last.
Comprehensive Windows Services in Granby, MA
The specification we work to in Granby is not complicated — low-expansion foam only, so the jambs are not bowed inward before the first winter; Low-E coatings and argon fill matched to which way the wall faces; proper sill pan flashing, which is the detail that decides whether the opening leaks in ten years. Materials are rated for the New England climate zone, and we account for Connecticut River Valley humidity that keeps sheathing damp long after the rain stops. Every one of those is in the manufacturer's own installation guide. Following it is most of the job.
What We Offer
Why Granby Trusts Maia Construction
From the Charlton shop, Granby is a planned trip. We have jobs behind us in North Granby, Granby Center, West Granby. 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 Granby.
Common Windows Challenges in Granby
Our Windows Solutions for Granby Homes
Granby Neighborhoods We Serve
We provide windows services to every neighborhood in Granby, Hampshire County, including ZIP code 01033:
Granby Housing Types We Work On
Our team has extensive experience with the housing stock found throughout Granby, with homes averaging 40-200+ years old:
Our Windows Process in Granby
Measure every opening
Every opening measured at three points. Older frames are rarely square, and averaging the difference is how units end up out of seal.
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.
Written quote and permit
Priced individually, so you can phase the work if you would rather do it in stages.
Protected removal
We work opening by opening so the house is never left open, and the interior stays covered throughout.
Set, flash and air-seal
Units set level and square, then air-sealed and flashed to manufacturer spec.
Trim, inspection and handover
Interior and exterior trim restored, hardware adjusted, and every unit operated with you.
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
a limited lifetime manufacturer warranty on the units and 5 years on our labour
5.0★
Google Rating
500+
Projects Done
52mi
From Granby
FREE
Estimates
Windows Transformations
See the quality of our windows work in Hampshire County


Whole-House Siding Replacement
Atkinson, NH • Siding
Rear elevation — the orange cedar gable and two mismatched greys replaced with one vinyl exterior.
See the full project →Recent Projects
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Watch our team install windows across Massachusetts

Complete Home Renovation
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Exterior Transformation
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What Our Customers Say
5.0 across 19 Google reviews — from homeowners near Granby and across Massachusetts.
“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.”
“Excellent and professional work by Marcos and crew.”
What Our Customers Say
Real verified reviews from Massachusetts homeowners
Windows FAQs — Granby, MA
Common questions from Granby homeowners about windows
Can you match existing work on part of the house?
Sometimes. On a college-town victorians 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.
What does window replacement cost in Granby?
Our Granby 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.
What usually goes wrong with windows on homes in Granby?
The three we see most often here: rotted sills under windows that were flashed poorly the first time; lead paint on original trim, which changes how the opening has to be handled; and storm windows hiding how far gone the primary sash actually is. Locally, historic home renovation challenges comes up repeatedly on college-town victorians.
Do you use subcontractors?
We do not. Every crew is on our payroll, which is why the standard does not drop between the first elevation and the last, and why you are not meeting new faces halfway through.
How long will window replacement take on my Granby home?
Plan on a single day for a handful of openings, two to three for a full house. Hampshire County weather does move schedules — Connecticut River Valley humidity that keeps sheathing damp long after the rain stops is the usual reason — so we build a weather margin into the date we give you rather than promising one we cannot hold.
Are you actually local to Granby?
We work out of Charlton, 52 miles away — a planned trip. That matters mostly for the unglamorous parts: getting back out for a warranty call, or being on site when the inspector is.
Other Services in Granby
Service Area: Granby, MA
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