Updated May 2026
Basement Apartment / In-Law Suite · Summit, NJ
Build a code-compliant, rentable basement apartment or accessible in-law suite tailored to Summit homes. We handle permits, framing, plumbing rough-in coordination, and finish carpentry.
We convert basements into self-contained apartments or accessible in-law suites that meet Union County code requirements and practical homeowner needs: dedicated egress, insulation, HVAC/vent routing, moisture control, kitchens and bathrooms sized for rental or independent living. Design choices focus on usable layout, durable finishes, and mechanical access for future maintenance.
Our work
FAQ
Costs depend on scope: whether you need new egress, full baths, or kitchenette equipment. Typical interior-only conversions in Summit start with a detailed on-site estimate after a walkthrough so we can account for waterproofing, finishes, and required inspections.
Most interior basement apartment/in‑law suite projects take 8–14 weeks from permit-ready plans through final inspections. Timeline varies with permit turnaround and scope; we provide a phased schedule in the estimate.
Yes. Basement apartments and in‑law suites require local permits and code compliance for egress, mechanicals, and fire separation. We prepare permit documentation and coordinate inspections as part of the project scope.
Interior work is noisy and produces dust; most homeowners remain in the house with rooms sectioned off. We set up dust barriers, a daily cleanup routine, and a timeline that limits disruptive phases—this is reviewed during the initial walkthrough.
Schedule an on-site consultation and walkthrough. We inspect egress, utilities, and structure, then deliver a written estimate and permit plan options to proceed.
Real basement apartment / in-law suite projects in New Jersey homes — same room, before we started and after we finished. Move the handle.
Drag the handleSwipe the handle or use ←→ to compare before and after.
Edison basement recreation room with game zones
Edison, NJ
Reviews
“I highly recommend Home Concept Construction. This was truly the best construction company I’ve ever worked with in my lifetime. Their team was professional, reliable, and incredibly efficient from start to finish. They are men of their word—honest, hardworking, and committed to delivering quality results. Whether i…”
monique venable
6 months ago
“Oscar and his team are expert craftsmen. Our kitchen renovation is so beautiful the house looks like a new build. They came when said they would and returned all calls promptly. I highly recommend Home Concepts construction and will be using them again for other projects.”
Donna G
a year ago
“Oscar and his team are second to none. Their work is of high quality, with precision. The team renovated our kitchen and family room, installed engineered hardwood floors throughout our home, painted plus some. They are extremely professional, flexible and accommodating. Oscar is a creative thinker and designed g…”
Audrey Sudran
a year ago
Verified reviews from Home Concepts Construction’s Google Business Profile. Read all reviews on Google →
Schedule
Pick a day and time that works for you. We come to your Summit home, walk the space, take measurements, and put a written scope together on-site. About 45-60 minutes.
Loading availability…
Summit, NJ
Free in-home walkthrough. Written scope before you commit. One team from demolition to final inspection.
Get a free quote
Tell us a little about the project and we'll get back within one business day with real answers about how it would go in a Summit home.
Free in-home visit
We come to you. Measure, plan, and quote on-site.
Licensed in NJ
NJ HIC #13VH10078600
Real response
Within one business day.
See more from Basement Apartment / In-Law Suite or learn about remodeling in Summit, NJ.
Nearby towns
Same crew, same standards one town over. Tap to see how the project would go there.
Ready to start?
No pressure, no obligation. We’ll walk through what’s worth doing first, what can wait, and what to watch out for — before anyone talks contracts.
