What we handle
We focus on proper plumbing tie-ins, floor drainage, finished walls, and ventilation to prevent moisture issues. Permit coordination with Mercer County and NJ plumbing code compliance are part of the scope.

Basement Bathroom Addition · Princeton, NJ
We design and install basement bathrooms in Princeton that meet Mercer County code, address drainage and ventilation, and connect to existing plumbing with clear steps.
We focus on proper plumbing tie-ins, floor drainage, finished walls, and ventilation to prevent moisture issues. Permit coordination with Mercer County and NJ plumbing code compliance are part of the scope.
Our work




FAQ
Costs vary with layout and plumbing distance; small three-quarter baths often start lower while full bathrooms cost more. We provide an itemized estimate after a site visit.
Most jobs take 3–6 weeks after permits are issued, depending on scope and inspection scheduling. Weather and permit backlog can affect timing.
We inspect plumbing stacks, floor elevation, egress, and access for fixtures, then discuss layout options and provide a written estimate. Expect photos and a scope checklist.
You can remain in the home; expect noise, intermittent water shutoffs, and dusty work areas. We isolate the workspace and stage deliveries to minimize disruption.
Often yes—adding a floor drain or connecting to a sump pump and using moisture-resistant materials prevents long-term problems; we evaluate this during the site visit.
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 Bathroom Addition 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.