Basement Finishing
Turn your unfinished basement into usable living space — home offices, gyms, entertainment rooms, guest suites, or rental units. We handle the unique challenges of below-grade construction in NJ, including waterproofing, egress windows, and proper ventilation.
What's Included
- Moisture management and waterproofing systems
- Egress window installation (NJ building code required)
- Full framing, insulation, and drywall
- Bathroom rough-in and plumbing for basement baths
- Custom lighting design for low-ceiling spaces
- HVAC extension and climate control
- Built-in storage and shelving
Why Choose The5thwall
Here's what sets our basements service apart.
Add 500-1,500 sq ft of livable space without an addition
Finished basements can return 70%+ ROI in NJ's housing market
Proper waterproofing protects your entire foundation
NJ code-compliant egress for safety and legal occupancy
One-stop contractor — no coordinating multiple trades
Basements Questions
Common questions from NJ homeowners.
Basement finishing in Central NJ typically costs $30-$75 per square foot, depending on the scope. A basic 1,000 sq ft build-out starts around $30,000, while a full entertainment suite with a bathroom can reach $75,000+. We include waterproofing in every quote.
Yes — NJ building code requires egress windows in finished basements used as living space, particularly bedrooms. We install code-compliant egress windows as part of our basement finishing service.
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Get a free, no-obligation estimate from our team. Licensed, insured, and ready to build.