Updated May 2026
Basement Bathroom Addition · Montville, NJ
Add a full or half bath to your finished or unfinished basement with clear plans, permits, and skilled interior carpentry. We handle layout, plumbing coordination, and tile work.
We plan bathroom additions to fit your basement’s structure and mechanicals. Work includes framing, drywall, rough plumbing coordination with plumbers, electrical for lighting and ventilation, tile and flooring, vanity and cabinetry installation, and final trim and paint. For homeowners in Morris County we prepare permit-ready drawings and coordinate inspections where required.
Our work
FAQ
Costs vary with scope—half baths start lower than full baths with showers, and costs rise with fixture quality and drainage complexity. We provide a written estimate after a site walkthrough to check slab conditions, drain routing, and mechanical access.
Typical projects run 2–6 weeks from demolition to finish depending on scope and inspections. Expect dust and noise during demolition and rough-in; we isolate work areas, run HEPA filtration when needed, and schedule noisy trades during daytime hours.
Most basement bathroom additions need building and plumbing permits plus inspections for rough plumbing and final occupancy. We prepare permit-ready drawings and submit on your behalf when included in the estimate.
Schedule an on-site consultation and walkthrough so we can measure, review existing mechanicals, and provide a written estimate. Mention you want a basement bathroom addition montville nj quote and we’ll bring typical layout options and finish samples.
Real basement bathroom addition 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 Montville home, walk the space, take measurements, and put a written scope together on-site. About 45-60 minutes.
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Montville, 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 Montville 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 Bathroom Addition or learn about remodeling in Montville, 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.
