Updated June 2026
Basement Apartment / In-Law Suite · Westfield, NJ
Add a private living space for family or rental income. We handle the full interior build-out.
A basement apartment or in-law suite is a self-contained living area within your home. In Westfield, we design and finish these spaces with a kitchenette, bathroom, bedroom, and living area. Our work includes framing, drywall, flooring, trim, plumbing, and electrical — all permitted and inspected.
Our work
FAQ
Timeline depends on the scope and permitting. A typical project takes 8–12 weeks. We'll give you a more accurate schedule during the consultation.
Yes. Westfield and Union County require permits for adding a living unit. We handle all permit applications and inspections as part of our service.
Cost is driven by the size of the space, layout complexity, finishes, and any structural changes like adding egress windows. We provide a detailed estimate after reviewing your basement.
In most cases, yes. We work in phases to keep the rest of your home livable. We'll discuss disruption and access during the walkthrough.
Contact us to schedule a free consultation. We'll visit your home, discuss your needs, and provide a clear next step.
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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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 Westfield home, walk the space, take measurements, and put a written scope together on-site. About 45-60 minutes.
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Westfield, 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 Westfield 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 Westfield, 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.
