“Excellent and professional work by Marcos and crew.”

Expert General Contractor in Amherst, Massachusetts
Most exterior work work we do in Amherst starts the same way: a homeowner has noticed something they cannot quite diagnose. Amherst is academic and agricultural communities in the Pioneer Valley, and its college-town victorians share a fairly predictable set of exterior problems. What makes it harder here is a wider annual temperature swing than the coast sees, which works fasteners loose over time.
Why Amherst 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 General Contractor Services in Amherst, MA
Most exterior work work we do in Amherst starts the same way: a homeowner has noticed something they cannot quite diagnose. Amherst is academic and agricultural communities in the Pioneer Valley, and its college-town victorians share a fairly predictable set of exterior problems. What makes it harder here is a wider annual temperature swing than the coast sees, which works fasteners loose over time.
Choosing who does exterior contracting on an Amherst home matters more than choosing the material. Most of what fails early fails at a joint, a flashing lap or a fastener line, and none of those show up in a brochure. On Amherst homes specifically, historic home renovation challenges and energy efficiency upgrades in old structures 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 General Contractor Services in Amherst, MA
The specification we work to in Amherst is not complicated — an agreed rate for hidden damage written into the contract before we start; siding, windows and doors sequenced so each is flashed into the next correctly; permits filed and inspections scheduled by us, in the right order against the material lead times. 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 Amherst Trusts Maia Construction
From the Charlton shop, Amherst is a planned trip. We have jobs behind us in East Amherst, Amherst Center, West Amherst. 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 Amherst.
Common General Contractor Challenges in Amherst
Our General Contractor Solutions for Amherst Homes
Amherst Neighborhoods We Serve
We provide general contractor services to every neighborhood in Amherst, Hampshire County, including ZIP code 01002:
Amherst Housing Types We Work On
Our team has extensive experience with the housing stock found throughout Amherst, with homes averaging 40-200+ years old:
Our General Contractor Process in Amherst
Full exterior walkthrough
We take the whole exterior in one pass and tell you what has to be done together and what can wait.
One written contract
One contract covering everything, so there is no gap between quotes for something to fall through.
Permits and sequencing
We file everything and order materials against the schedule, not after it.
Staged execution
Windows and doors first, then the wall, then the trim, so every lap sheds water outward.
Inspections
We are on site for every inspection, so a failed detail is corrected the same day.
Handover and warranty
One handover, one warranty document covering the whole package.
Cost Range
$18,000–$60,000 for a combined exterior package
Timeline
two to five weeks depending on how much of the exterior is in scope
Warranty
a 5-year workmanship warranty on all of it, with manufacturer coverage on top
5.0★
Google Rating
500+
Projects Done
58mi
From Amherst
FREE
Estimates
General Contractor Transformations
See the quality of our general contractor 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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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 Amherst and across Massachusetts.
“I’ve completed many renovations over the years, but building a house in Burlington was a whole new experience—and I…”
“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
General Contractor FAQs — Amherst, MA
Common questions from Amherst homeowners about general contractor
How long will exterior contracting take on my Amherst home?
Plan on two to five weeks depending on how much of the exterior is in scope. 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.
Which exterior work do you install?
We work mainly in full-exterior envelope work, porch and entry rebuilds, siding, window and door packages, and we are certified installers for James Hardie, Andersen, Therma-Tru. Which of those makes sense for your Amherst home depends on exposure and budget, and we will tell you when the cheaper option is the right one.
What warranty comes with the work?
You get a 5-year workmanship warranty on all of it, with manufacturer coverage on top. 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.
Do you use subcontractors?
No — our own people, start to finish. Subcontracting is how a schedule slips and how nobody ends up owning a defect.
Are you actually local to Amherst?
We work out of Charlton, 58 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.
What parts of Amherst do you cover?
All of it, including Amherst Center, North Amherst, West Amherst and the rest of ZIP 01002. We also work throughout Hampshire County.
Other Services in Amherst
General Contractor Near Amherst
Service Area: Amherst, MA
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