“Excellent and professional work by Marcos and crew.”

Expert Windows in Concord, Massachusetts
Concord sits 14 miles from our shop in Charlton, which is close enough that we see the same patterns in its housing stock again and again. The stock dates from pre-Revolutionary to mid-20th century, so 40-80-year-old assemblies are the norm rather than the exception. Add wet spring seasons followed by dry, hot stretches that move wood trim, and the details that matter become obvious.
Why Concord 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 Concord, MA
Concord sits 14 miles from our shop in Charlton, which is close enough that we see the same patterns in its housing stock again and again. The stock dates from pre-Revolutionary to mid-20th century, so 40-80-year-old assemblies are the norm rather than the exception. Add wet spring seasons followed by dry, hot stretches that move wood trim, and the details that matter become obvious.
The reason we push people toward a local contractor for window replacement is not loyalty to the idea — it is that the failures we get called out to fix are almost always detail failures, and details are what a crew working forty miles from home stops caring about at four in the afternoon. On Concord homes specifically, aging clapboard siding and single-pane windows from the 1960s are what we plan around before a crew is booked. One crew, start to finish, and one person you call. It is a small company and that is deliberate.
Comprehensive Windows Services in Concord, MA
The specification we work to in Concord is not complicated — insert replacement where the existing frame is sound, to keep the interior trim intact; Low-E coatings and argon fill matched to which way the wall faces; custom-sized units for out-of-square openings, so the seal is even all the way round. Materials are rated for the New England climate zone, and we account for ice dams forming at the eaves and pushing water back into the wall. Every one of those is in the manufacturer's own installation guide. Following it is most of the job.
What We Offer
Why Concord Trusts Maia Construction
From the Charlton shop, Concord is about twenty minutes. We have jobs behind us in South Concord, North Concord, West Concord. That distance is mostly about the boring things: being there for the inspection, and coming back out under warranty without it being an expedition. Licensed under MA HIC #204634, fully insured, and rated 5.0 on Google across 19 reviews. Estimates are free, written, and there is no second visit from a closer.
Common Windows Challenges in Concord
Our Windows Solutions for Concord Homes
Concord Neighborhoods We Serve
We provide windows services to every neighborhood in Concord, Middlesex County, including ZIP code 01742:
Concord Housing Types We Work On
Our team has extensive experience with the housing stock found throughout Concord, with homes averaging 40-80 years old:
Our Windows Process in Concord
Measure every opening
We open and close every window in the house and tell you which ones actually need replacing.
Choose glass and frame
Samples on site, and a straight answer about where triple-pane earns its cost and where it does not.
Written quote and permit
Priced individually, so you can phase the work if you would rather do it in stages.
Protected removal
Old units out, sills and jambs checked for rot before anything new goes in.
Set, flash and air-seal
Shimmed at the load points, foamed with low-expansion only, and flashed so water sheds outward.
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
one day per eight to ten openings once the units are on site
Warranty
a limited lifetime manufacturer warranty on the units and 5 years on our labour
5.0★
Google Rating
500+
Projects Done
14mi
From Concord
FREE
Estimates
Windows Transformations
See the quality of our windows work in Middlesex 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
View All ProjectsWindows Projects in Action
Watch our team install windows across Massachusetts

Complete Home Renovation
Click to watch

Exterior Transformation
Click to watch
What Our Customers Say
5.0 across 19 Google reviews — from homeowners near Concord and across Massachusetts.
“Marcos installed new siding on my house. Their work is excellent. They work long hard hours. They were very respectful of my time and property. I highly recommend them.”
“Marcos and his crew do top quality work! Will use them for any and all future siding projects. They are on time, great…”
What Our Customers Say
Real verified reviews from Massachusetts homeowners
Windows FAQs — Concord, MA
Common questions from Concord homeowners about windows
What does window replacement cost in Concord?
Our Concord 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 happens if you find rot once you have started?
We stop, photograph it and show you before covering anything back up. The repair rate is agreed in the contract before we start, so there is no renegotiation with your wall open.
What usually goes wrong with windows on homes in Concord?
The three we see most often here: out-of-square openings in older homes, where a stock unit will never seal properly; bedroom openings that no longer meet egress once a smaller insert is fitted; and original single-pane sashes with failed glazing putty and no weatherstripping left. Locally, aging clapboard siding comes up repeatedly on colonial revivals.
What warranty comes with the work?
You get a limited lifetime manufacturer warranty on the units and 5 years on our labour. Both are in writing at handover. The workmanship warranty is ours, not a third party's, and it is the one that actually gets used.
Can you match existing work on part of the house?
Sometimes. On a colonial revivals 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 parts of Concord do you cover?
All of it, including East Concord, Concord Center, West Concord and the rest of ZIP 01742. We also work throughout Middlesex County.
Other Services in Concord
Windows Near Concord
Service Area: Concord, MA
Ready to Transform Your Concord Home?
Ready for professional windows? We're just 14 miles away. Call now or request a free quote — no obligation.
No pressure, no obligation — just honest advice from local experts
