Home additions in Southeast Wisconsin
Adding on means tying new framing into a house that was built years ago, often slightly out of square. We frame additions that line up with your existing walls, floors and roofline.
Addition framing we handle
- Room additions and bump-outs on new foundations
- Second-story additions and dormers
- Tie-ins to existing floors, walls and roof framing
- Opening up exterior walls with properly sized headers and beams
- Sheathing, house wrap and window and door openings
- Porches and sunrooms attached to the house
Communication you can count on
Additions mean living in your house while it's under construction. We tell you what's happening and when, keep the site picked up, and do what we said we'd do.




From our customers
★★★★★The G&A Construction team recently did the rough carpentry for an addition on our home. Our experience with them from the very beginning was excellent. They were very responsive, followed through on their statements, thorough…
★★★★★G&A are a pleasure to work with. They are responsive, kind and professional. We look forward to working with them on future projects!
Common questions
Can you match my existing roofline?
Yes. We measure your existing framing and build the addition to tie in cleanly, including roof pitch and wall heights.
Do you work with my architect or general contractor?
Yes. We regularly frame from architect plans and work as the framing sub for general contractors.
Can we live in the house while you build?
In most cases, yes. We keep the work area separate and clean up daily.
Other services
New home framingFloor systems, walls, roof, sheathing and wrap for custom homes and spec builds.
Basement framing & finishingTurn an unfinished basement into bedrooms, a bath and a great room, permitted and inspected.
Decks & porchesBackyard decks, front porches and entry stoops built solid and to code.
Garage framingAttached and detached garages, including headers, trusses and bonus rooms above.
Finish carpentryDoors, trim, stairs and the details that make a house look finished.
SidingNew siding and repair over properly wrapped and flashed walls.
Get a quote for home additions
Send a few details and Gilberto will get back to you, usually within one business day. Estimates are free.
- Call or text414-380-5258
- Emailhomesgna@gmail.com
- Based inFranklin, Wisconsin. Serving Milwaukee, Waukesha, Racine, Kenosha and Walworth counties.
- Licensed & insured in Wisconsin
- Hablamos español