Room addition being built above an attached two-car garage in New Jersey

Additions & Home Expansion

Over Garage Additions in Edison, NJ | All About Additions LLC

Turn unused space above the garage into a real room.

Free Over Garage Additions Estimate

Tell us about your project — we respond fast, 24/7.

Or call (732) 790-7518 — Open 24/7

200+

Clients Served

15 Years

In Business

28+ Years

Experience

Licensed

& Insured

Overview

Over Garage Additions Built for New Jersey Homes

Build up over your existing garage and gain a bedroom, suite, or office without touching your yard.

The footprint above an attached garage is often the most cost-effective square footage on a property. An over-garage addition uses structure that already exists to create a bedroom, guest suite, home office, or bonus room — no new foundation, no lost yard space.

These projects live or die on structural detail and comfort. Garage framing and slabs were rarely built to carry conditioned living space, so we verify what is there, reinforce as needed, and pay close attention to floor insulation, air sealing, and how the new HVAC zone will actually perform in a New Jersey winter.

You get a free consultation, an honest assessment of what your garage can support, and a written proposal with a defined scope and transparent pricing. From framing and roof tie-in through drywall, trim, and paint, our team manages the trades and the schedule so the project moves.

The finished space feels like part of the house, not an afterthought — matched rooflines and siding outside, comfortable and quiet inside. Licensed, insured, and backed by decades of construction experience.

New room addition being framed above an attached two-car garage in New Jersey

Why Choose Us

  • Licensed & insured New Jersey contractor
  • Transparent, written pricing — no surprise line items
  • Premium materials and superior craftsmanship
  • On-time, on-budget project management
  • Clear communication from consultation to punch list
  • 28+ years' experience and 200+ clients served

What the Over Garage Additions Process Looks Like

  1. STEP 1

    Structural Assessment

    We confirm what your existing garage framing and slab can support.

  2. STEP 2

    Detailed Proposal

    Written scope covering reinforcement, framing, insulation, and finishes.

  3. STEP 3

    Work Begins

    Framing, roof tie-in, mechanicals, and interior build-out on schedule.

  4. STEP 4

    Enjoy the Result

    A comfortable, code-compliant room that looks original to the home.

Recent Project Gallery

Recent Over Garage Additions Gallery

Completed room addition built above a two-car garage with matching siding
Completed over-garage addition
Framing of a new room above an attached garage with joists and trusses
Framing above the garage
Finished bonus room over a garage used as a home office with sloped ceiling
Finished bonus room
Insulation installed in the walls and ceiling of a new over-garage room
Insulation and air sealing

Want to see completed work in the meantime? Browse our projects.

Service Areas

Proudly Serving

Over Garage Additions for homeowners across Middlesex and Monmouth County — including Warren, Scotch Plains, Bedminster, Bridgewater and Deal, NJ.

Answers

Over Garage Additions FAQs

Can my garage support a room addition above it?

Many can with reinforcement. We inspect the existing framing, foundation, and slab, then tell you exactly what is required before you commit.

How do you keep a room above a garage warm?

Proper floor insulation, air sealing, and a correctly sized heating and cooling zone. We plan all three during design rather than fixing comfort problems later.

Can an over-garage addition be a bedroom or in-law suite?

Yes — bedrooms, guest suites, offices, and bonus rooms are the most common uses. Egress and code requirements are addressed in the plan.

Get Started

Start Your Over Garage Additions Project

Send us the details and we'll follow up quickly with next steps, or call now to speak with our team. All About Additions LLC is licensed, insured, and available open 24/7.

Call (732) 790-7518

Get a Free Estimate

Tell us about your project — we respond fast, 24/7.

Or call (732) 790-7518 — Open 24/7

Call (732) 790-7518