Southern Maine General Contractor
Custom Maine Homes,
Built Frame to Finish.
Family-run craftsmanship for new custom homes, full remodels, and additions, serving all of southern Maine.
Who we are
A Maine builder who shows up, every day, on every job.
J.M. Builders is a family-run general contractor specializing in custom-built homes and full-scope remodels across southern Maine. Jay personally manages every project from first concept through final walkthrough, so the craftsmanship, schedule, and budget actually match what we promised.
We're a small crew on purpose. It's the only way to keep the quality where it should be.
Our Story
What we do
Services
One contractor, one crew, one point of accountability, from the first stake in the ground to the final coat of paint.
Custom Home Building
From breaking ground to handing over the keys, homes designed around how you actually live.
Remodeling & Renovations
Kitchens, baths, and full-house transformations done with craftsman-level finish work.
Additions
Seamless additions that match your home's character and add real, lasting value.
Frame-to-Finish Contracting
Single point of accountability from foundation through final punch list.
Why choose us
Built on trust, finished with care.
Local Maine Builders
Born and raised in southern Maine. We know the codes, the climate, and the trades.
Hands-On Owner
Jay is on every jobsite. No hand-offs, no excuses.
On-Time Delivery
Realistic schedules, clear milestones, and consistent communication.
Transparent Pricing
Line-item estimates and honest change-order conversations, no surprises.
Recent work
Featured projects
A look at a few recent builds and remodels across southern Maine.
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100% Recommended
What clients are saying
Highly recommend J.M. Builders!! They came to our rescue after the blizzard ripped some shingles off of our roof. We can't thank you enough!!
Without a doubt great builder. From start to finish he is the best!
Great people!! I would allow this crew to work on or in my house any day!!
Get started
Request your free estimate
Tell us about your project. We'll get back to you within one business day.
Ready to build? Let's talk.
Request your free, no-pressure estimate today. Jay will personally review your project and get back to you within one business day.