
Room Additions
Ground-floor single-room and multi-room additions — foundations, framing, roofing, electrical, plumbing, HVAC, and finish work tied into the existing home. Family rooms, kitchens-extension, sunrooms, mudrooms, primary suites, and home offices.
Ground-Floor Home Additions
A room addition extends the existing footprint with new foundation, framing, and roof tied into the existing structure. We coordinate architectural plans, structural engineering, permits, foundation excavation, framing, mechanicals, and finish work to match the rest of the home.
- Foundation excavation and footings
- Framing tied into existing structure
- Roof line integration with existing home
- New electrical, plumbing, and HVAC
- Insulation, drywall, flooring, finish work
- Architectural and structural engineering coordination
Serving Bergen County homeowners across Englewood, Tenafly, Fort Lee, Ridgewood, Paramus, Teaneck, Hackensack, Closter, Fair Lawn, and Bergenfield — plus every town in between.
Part of our Home Additions service family.
Your Your Room Addition Journey
Consultation
We walk the property, discuss intent, review setbacks, lot coverage, and any HOA constraints; recommend an architect if not yet engaged.
Scope & materials
Architect produces drawings; structural engineer signs off; permits filed; we finalize materials and schedule.
Build
Crew executes excavation, foundation, framing, roofing, mechanicals, finishes, and inspections.
Final walkthrough
Final walkthrough, certificate of occupancy where required, punch-list closeout.
Frequently Asked Questions
For 2026, single-room ground-floor additions run $90,000-$220,000 depending on size, finishes, and mechanical scope. Premium suites with custom finishes run higher. Pricing and timelines are planning ranges.
Most ground-floor room additions take 5-9 months from permit issue to certificate of occupancy. Architectural and engineering review adds 2-4 months before construction begins.
For most additions, yes. Bergen County municipalities require stamped drawings for additions involving foundation and structural work. We work with architects you choose or recommend.
Most ground-floor room additions take 5-9 months from permit issue to certificate of occupancy. Architectural and engineering review adds 2-4 months before construction begins.
Bergen Restoration is a registered New Jersey Home Improvement Contractor (NJHIC# 13VH08865500) with commercial general liability and workers' compensation coverage; documentation available on request.
Get Your Estimate
Reach us by phone or email and tell us about your room addition project. We will follow up with the next best step for your home.
Let's Talk About Your Project
Tell us what you have in mind — we'll follow up with a plan.