Garage Construction
More than just a place to park
A well-built garage is one of the most versatile additions to any property. At BSDC, we build, renovate, and repurpose garages, from a straightforward two-car to a heated workshop with a master suite above, start to finish!





Team Experience
Projects
rating Average
Our Approach
We build garages around how you live, not just what you drive
We've built two-car garages and we've built garages with heated mechanics bays, finished workshops, and full master suites on the second floor.
The scope changes but the process doesn't, we design it in-house, draw the structural plans, pull the permits, and build it ourselves. Whether you're starting from scratch or converting existing garage space into something more livable, we assess what's possible on your property and build to it.
A finished basement or attic can become more than extra living space — it can become a fully self-contained unit. If you're thinking about an ADU or in-law suite, our FlexUnit™ service is where that conversation starts.

Reasons to build or upgrade garage
What could your unfinished space become?
- You don't have a garage and wish you did every winter
- Current garage doesn't fit your vehicles, tools, or everyday use
- Want a dedicated workshop or mechanics bay that's built for the work
- Second floor could become a suite, guest space, or rental unit
- Convert existing garage space into finished living area
- Adding to your property and a garage is part of the vision
What we can build
Great garage ideas
We all need a little inspiration. Here are some types of garage projects we work on.
Our Portfolio
Snapshots of recent projects
REviews
Hear from happy homeowners
Great guys and easy to work with! I couldn't be happier with my beautiful new kitchen!
The best! Gave a super reasonable estimate and walked me through all the steps and timeline , finally have my (dream) kitchen.
I highly recommend Bay State Design & Construction to anyone looking for reliable, skilled, and professional construction services.
These guys are amazing! Helped me build a two story addition with a master suite and I couldn't be more thrilled with the product.
The guys from Bay State design were prompt well priced and kept my project moving without missing a step. Great work guys!
I hired these guys to build an attached garage at my house. Throughout the entire process they went above and beyond all expectations and their pricing was super fair.
This team is very professional, communicative and great to work with. Gio provided comprehensive building plans for me within a short timeframe, as promised.
How it Works
Garage construction process







Site Visit & Consultation
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We visit your home, meet with you, and walk through your vision, goals, and any structural considerations.

Detailed estimate
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We develop a thorough estimate based on your agreed scope of work — no surprises, no vague line items.

Contract & Design Session
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Once you accept the estimate, we send over a contract and schedule a design session to lock in materials, finishes, and layout.

3D Render & Construction docs
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We produce a 3D rendering of your space and all structural construction documents entirely in-house.

Permits & materials
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We apply for all required permits and order long-lead materials as soon as they're issued — keeping your project on schedule.

Construction & inspections
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Work begins. We manage every phase of construction and every required inspection through final sign-off so nothing gets missed!
Bay State Design & Construction
Why homeowners choose BSDC

One point of contact, start to finish
No chasing down architects, contractors, or permit offices. You have one team and one person to call, from first sketch to final walkthrough.

We design around your budget
Many firms design the dream, then hand you a bill that doesn't match it. We start with your number and build the plan around it — no sticker shock.

Your vision survives the build
A lot gets lost when the design firm hands off to the contractor. We can draw the plans and build to them. AKA: what you approved is what gets built.

Your timeline is ours to protect
When design and construction live under one roof, no one else's schedule can slow yours down. We control the process so you're not waiting on a separate third party to move forward.
Frequently Asked Questions
Garage construction FAQs
Ceiling height, moisture levels, and egress are the three biggest factors. Most basements can be finished with the right approach — we assess all of it during the on-site consultation and tell you honestly what's possible and what it involves.
In most Massachusetts municipalities, yes. Finished living space requires permits covering framing, electrical, plumbing if applicable, and insulation. We handle the entire permitting process in-house.
Often yes, depending on your town's zoning and the layout of the space. Egress, fire separation, and utility requirements all factor in. If that's the direction you're headed, our FlexUnit™ service is the right starting point — it's designed specifically for ADU feasibility and construction.
Anything from a home theater and kids playroom to a guest suite, home office, gym, or rental unit. We've built them all. The design starts with how you want to use it.
We sure can! Attic conversions follow a similar process — we assess ceiling height, structural capacity, insulation requirements, and access before designing the space. Attics can become bedrooms, offices, or bonus rooms depending on what the structure allows.
Most basement finishing projects run 6 to 10 weeks depending on scope and complexity. A full basement with a bathroom, bedroom, and living area takes longer than an open rec room. We give you a realistic timeline during the estimate.
Every project comes with a 1-year workmanship warranty. If something isn't right with our work, we come back and make it right.
Got a garage project in mind?
Imagine a well-constructed garage built around how you actually use it. Now let's talk about that vision during your free consult.








