GM Renovation Inc.
GM Renovation Inc – General Contractor
Convert Your Attic into Comfortable Living Space
We turn underused attics into proper bedrooms, offices, playrooms and living areas. From framing and insulation to stairs, windows, drywall and finishes — we handle attic projects with code, comfort and headroom in mind.
Serving Boston, Greater Boston, Middlesex, North Shore, Cape Cod, New Hampshire & Maine. We take on attic projects that demand careful planning, code compliance and solid execution.
Planning an Attic Conversion?
We help you think through headroom, stairs, windows, insulation, storage and layouts so your attic feels like a real part of the home.
Fast estimates, clear expectations, and detailed, careful work.
Phone:
(781) 885-5534
Email:
raphael@renovationgm.com
Instagram:
@g.m.renovation
Our Attic Conversion & Finishing Services
Structure, Layout & Code
- Attic Layout Planning & Design
- Framing, Knee Walls & Dormers (when applicable)
- Stairway Adjustments & Guardrails
- Coordination for Egress & Headroom Requirements
- Subfloors, Leveling & Structural Details
Insulation, Finishes & Comfort
- Insulation & Air Sealing for Attics
- Drywall, Trim & Built-Ins
- Flooring (LVP, Carpet, Hardwood & More)
- Lighting, Outlets & Electrical Coordination
- Heating, Cooling & Ventilation Considerations
About Our Company
At GM Renovation, we bring over 15 years of hands-on experience to attic conversions and upper-level build-outs—turning tricky space into comfortable, finished living area. We’re a local, owner-involved general contracting company that’s fully licensed and insured, and we understand how to work around rafters, knee walls, existing roofs, and tough angles while keeping structure, insulation, and clean finishes dialed in.
Homeowners trust us because we’re reliable, communicate clearly, and stay involved from start to finish. Beyond attics, we also handle additions, basements, kitchens, bathrooms, decks, and more—always aiming for solid work and spaces that feel like they were meant to be part of the home.
Ready to Convert Your Attic?
Tell us about your attic project and we’ll follow up with a free, no-obligation estimate.
Where We Build and Finish Attics
GM Renovation converts and finishes attics for homeowners across Massachusetts, New Hampshire & Maine. We travel for projects that match our level of detail and scope.
Massachusetts
- Boston & Greater Boston
- North Shore
- Essex County, Metro North & Merrimack Valley
- Cape Cod & Surrounding Towns
New Hampshire
- Southern NH (Nashua, Salem, Windham, Portsmouth, Londonderry)
- Manchester & Nearby Towns
Maine
- Southern & Coastal Maine
- York, Wells, Ogunquit, Kennebunkport
- Greater Portland Area
Don’t see your town listed? Just ask — if the project makes sense, we’ll take it on.