Finished basement

Home / Basements & Additions

More room,same address.

We turn unfinished basements and attics into real rooms, and build additions that look like they were always there.

NSB Construction Group  ·  Licensed & insured  ·  NJ HIC #13VH14158400

Additions and basements need framing, insulation, electrical, plumbing and finish work. *One *team running all of it keeps the project *on *schedule.

What we do

New living space.

Basements, attics and additions, permits included.

Get a free estimate
01

Basement finishing

Family rooms, home gyms, offices, guest suites and basement bathrooms.

02

Attic conversions

Bedrooms, offices and storage with proper insulation and access.

03

Home additions

Bedrooms, primary suites, sunrooms and kitchen bump-outs.

04

Permits and inspections

We pull the permits your town requires and schedule inspections.

Spaces we build.

Inspiration for your project. Real NSB project photos will go here.

Finished basement
Finished basement
Attic conversion
Attic conversion
Home addition under construction
Home addition under construction
Google5.010 reviews on Google

Customers talk.

See what our customers say about NSB on Google, or leave a review if we've worked on your home or business.

★★★★★
If I could give 10 stars, I would. In a world where it's hard to find contractors who actually answer their phone, show up when they say they will, and take pride in their work, this company is the complete package.
Karim E.Google review
★★★★★
I hired Ness for a my master bathroom and I'm glad I did, he knows exactly what he doing, very professional. Highly recommend
Jonathan C.Google review
★★★★★
I selected NSB to refresh my shower and paint the bathroom based on his great reviews and found them to be extremely accurate. His work was impeccable and I highly recommend NSB
Stephen S.Google review
Licensed & insuredNJ HIC #13VH14158400Free on-site estimatesPermits handled
How it works

From first call to final walkthrough.

  1. Call or send the form

    We call you back the same business day to talk through the project.

  2. Free on-site estimate

    We measure, listen and walk through options with you on site.

  3. One clear price

    One written price with labor and materials included. No surprise add-ons.

  4. Build and finish

    We show up when we say, keep the site clean and finish every detail.

Let's add
your space.

Free on-site estimate. One clear price for labor and materials. We call you back the same business day.

(732) 822-7828

Get your free estimate

No cost. No pressure. We never share your info.

Prefer to talk? Call (732) 822-7828

Call nowFree estimate