Basement Finishing Contractors | Basement Renovation Contractors in New Hampshire
Kitchens, Baths, Basements & Decks—Done Once, Done Right
- Owner on every job site—no surprises
- One-Call, Full Remodel Services
- 5-Star rating on Google Reviews
Get Your Free Estimate
Dry, Comfortable, Code-Compliant Basements—Built Fast
Turn Unused Space— Into Your Favorite Room
A concrete storage room can be so much more—family hangout, guest suite, home gym. Our crew of licensed basement finishing contractors makes that change simple. We start with moisture tests and insulation, frame solid walls, wire safe lighting, and handle every permit and inspection. You get one point of contact and a fixed timeline. Need a half bath or egress window? We include it from day one, so the new space meets code and feels like the rest of the house. Homeowners choose us because the owner is on-site daily, pricing is line-item clear, and the job site stays clean. Ready to add real square footage without building up or out? Let’s talk about your basement today.
Everything You Need Below Grade
Pick one feature or the full package—we design, permit, and build under one contract, keeping your project on time and on budget.
- Moisture Control & Insulation
- Framing, Drywall, and Paint
- Deep Soaking & Freestanding Tubs
- Custom Vanities with Soft-Close Storage
- Full or Half Bathrooms
- Wet Bars & Kitchenettes
- Egress Windows & Doors
- Storage Closets and Built-Ins
Avoid Damp Floors and Failed Inspections—Choose the Right Team
- Don’t:
- Skip a moisture test—hidden damp spots ruin drywall and carpet.
- Use plain fiberglass insulation—moisture traps lead to mold.
- Ignore egress rules—bedrooms without proper exits fail code and resale.
- Do Instead:
- Verify your basement renovation contractors are licensed, insured, and can show recent local projects.
- Ask for rigid or spray-foam insulation plus a vapor barrier; it keeps walls dry and warm.
- Make sure permits cover plumbing, electrical, and egress; a code-approved build protects your investment.
Follow these steps and your finished basement will stay dry, safe, and comfortable for decades—no odors, no redo after the first spring thaw
Past Basement Finishing projects
Real Reviews From Your Neighbors
The Simple Process Of Our Work
- 1. Call or Click
Call, text, or fill out our form. We reply the same day and schedule a visit when it suits you.
- 2. Detailed Estimate
Stefan meets you at the property, listens to your ideas, measures the space, and answers every question.
- 3. Build & Update
Our crew shows up on time, keeps the site tidy, and sends regular progress updates so you’re never in the dark.
- 4. Final Walk Through
We walk the job with you, handle any touch-ups on the spot, and leave the space ready to enjoy.
Built on Trust, Backed by Proof
Why your neighbors choose New England Custom Exteriors, When you us , you’re teaming up with a small, owner-led crew that treats your project like it’s their own home. Whether it’s a kitchen remodel in Nashua, a new deck in the Lakes Region, or a basement makeover in the Monadnock hills. Our five-star Google reviews come from doing exactly what we promise: clear communication, solid craftsmanship, and real respect for your property. We’re fully insured, bringing more than 25 years of combined trade experience. Hard work and honesty built this company; that’s what you get on every job.
Owner-Led Quality Control
Stefan Baringer is on every site—no layers of middle-men, no finger-pointing.
25 + Years Combined Trade Experience
Seasoned carpenters, drywall pros, and exterior specialists under one roof.
One-Stop Remodel Shop
Kitchens, baths, basements, decks, siding, drywall, additions—one call covers it all.
Fully Licensed & Insured in New Hampshire
We protect your home and our crew with $2 M liability coverage.
Frequently Asked Questions
What Your Neighbors Usually Ask
Are you insured?
How soon can you start my kitchen remodel?
Most kitchens start within 4–6 weeks after design approval.
Do you handle permits?
Absolutely—we pull and post every required permit.
What areas do you cover?
Southern NH, Lakes Region, and the Monadnock Region.
Do you offer financing?
Yes—0 % for 12 months on projects over $20 k.
What if I only need drywall repair?
Small jobs welcome; we handle drywall patches to whole-home installs.
Is the first consultation really free?