Updated May 2026
Basement Bathroom Addition · Randolph, NJ
Add a full or half bath to an existing basement with interior-focused remodeling and clear permitting guidance.
We build basement bathrooms that meet local code, drainage, and moisture needs. Typical work includes framing, insulation, drywall, tile, fixtures, and ventilation. For homeowners in Morris County we handle interior trades coordination — plumbing and electrical work is scheduled with subcontractors and inspected per township rules.
Our work
FAQ
Costs vary by layout, fixtures, and whether a new sewer tie-in is required. Most projects fall into low, mid, or high budgeting tiers based on finishes and plumbing complexity. Request a walkthrough so we can provide an accurate estimate.
From walkthrough to final inspection expect 4–8 weeks for typical builds; more complex plumbing or permit delays can extend the schedule. We include a timeline in the written estimate.
Yes. We prepare permit-ready documents and coordinate inspections with Randolph township when required, then proceed after approvals are in place.
Most basement bathroom builds allow homeowners to live in the house. Expect intermittent noise, material deliveries, and trade access to the basement. We schedule work to limit impact and protect adjacent areas.
Schedule an on-site consultation and walkthrough. We measure the space, review plumbing access, discuss finishes, and then provide a written estimate and timeline.
If you need an interior-only bathroom added to an existing basement in Randolph or elsewhere in Morris County, this service fits. Book a walkthrough to confirm feasibility and costs.
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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 Randolph home, walk the space, take measurements, and put a written scope together on-site. About 45-60 minutes.
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Randolph, 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 Randolph 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 Randolph, 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.
