Updated May 2026
Basement Apartment / In-Law Suite · Princeton, NJ
Interior remodeling to add a safe, code-compliant rental or in-law suite. We handle layout, egress, kitchens, baths, and finishes.
We design and build usable lower-level units that meet New Jersey code and Mercer County inspection requirements. For homeowners seeking a rental or accessible in-law setup, we convert basements into functional living spaces — basement apartment / in-law suite princeton nj — including new egress, sound separation, moisture control, kitchens, bathrooms, and storage.
Our work
FAQ
Costs vary by size, required egress, and finishes. Expect a range based on scope; we provide a detailed estimate after a walkthrough so figures match your plans and code requirements.
Most projects run 8–14 weeks from permit-ready design to completion, depending on permit timing and scope. We review a schedule at the initial walkthrough and update it before construction starts.
Yes. We phase work to keep disruption manageable: contain the work area, set up temporary access, and schedule noisy or messy tasks to limit impact. We'll discuss living arrangements during the walkthrough.
Request a consultation and on-site walkthrough. We inspect the basement, confirm code and egress options, and produce a scoped estimate and schedule after the visit.
Real basement apartment / in-law suite projects in New Jersey homes — same room, before we started and after we finished. Move the handle.
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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 Princeton home, walk the space, take measurements, and put a written scope together on-site. About 45-60 minutes.
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Princeton, 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 Princeton 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 Princeton, 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.
