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Find Basement remodelers in Annandale

Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.5(
745
)

Serving Annandale, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Warranties offered

"We love our basement remodel. Peter, Alex and his team were here when they said theyâ d be here, completed the job as described, and kept us updated along the way. The basement now looks and feels clean and bright. The additional space doesnâ t feel like a basement at all and is enjoyed by the whole family. We highly recommend Lux Renovations."
Additional Photos
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+40

Response time1 day
Response rate98%
257 neighbors recently requested a quote
Avatar for NB Woodworks, LLC
NB Woodworks, LLC
5.0(
26
)

Serving Annandale, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1875

Free estimates

Warranties offered

"Thorough and transparent. Extremely painless experience, and Anthony got the work done in the time he estimated. Had multiple areas of my 3rd floor with loud creaks that needed remediation, and they are practically non-existent now. I 100% recommend NB Woodworks. Also, he was kind enough to check-in on his work a few days after it was done, and I am certain he would be there to fix any issues if I had one."
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Our Work

+34

Response time1 day
Recommended by57%of homeowners
All-Star Contractors of Hunterdon County, LLC
4.7(
35
)

Serving Annandale, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1970

Free estimates

Emergency services offered

"The owner is very knowledgeable and talks you through the whole process and works with you every step of the way . His worker Joel was very knowledgeable and will answer all of your questions he was great to work with very neat and a hard worker and at the end my basement was cleaner than it's ever been i would definitely hire them again."
Response time3 days
Response rate100%
2 neighbors recently requested a quote
Avatar for Chifla R Painting and Home Improvments
Chifla R Painting and Home Improvments
5.0(
8
)

Serving Annandale, NJ and surrounding areas

Approved

In business since 1995

Credit card accepted

Customers say: True professional

"Tony and Team did a great job. We look forward to working with them on additional home projects. I will certainly recommend Tony to friends and family. Best, Chris and Nancy"
Additional Photos
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+35

Response time1 day
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Restored NJ
Restored NJ
5.0(
18
)

Serving Annandale, NJ and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"I hired restored nj to repair a damaged wall from years of water leakage which had just become apparent. Gerson was very helpful and responsive and his team did excellent work."
Response time3 hrs
Response rate91%
Recommended by94%of homeowners
Avatar for HenSco Contractors
HenSco Contractors
4.7(
9
)

Serving Annandale, NJ and surrounding areas

Approved

In business since 2002

Free estimates

Customers say: Quick response

We are privately owned and operated company servicing the area since 1995. We are a fully insured, full service home improvement company with over 50 years experience. We specialize in complete kitchen and bath remodeling as well as finished basements, offices and other spaces. We guarantee a quality job, done in a professional and timely manner. We will work with you to find out your thoughts and needs, set you up with our professional designers and work together to make you're dream kitchen, bathroom or basement a reality. And once the job is complete, we don't just disappear. Once you are our customer, you are always our customer, for whatever you need, big or small. You may find a cheaper contractor, but a better contractor you will not. We are the last contractor you will ever need. For all of your remodeling needs please call us today for a free estimate and take the first step to make your dreams come true.

Somerville Basement
Somerville Basement
Swietzer Basement
Swietzer Basement
Somerville Basement

+35

Response time4 hrs
Response rate88%
Recommended by100%of homeowners
Restored NJ LLC
5.0(
4
)

Serving Annandale, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Free estimates

Warranties offered

Restored NJ is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Raza & Sons Construction, Inc.
Raza & Sons Construction, Inc.
5.0(
2
)

Serving Annandale, NJ and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

Platinum Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 6 years of experience serving Brooklyn, NY and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

Response time1 day
Recommended by100%of homeowners
Avatar for Zuchowski Contracting, LLC
Zuchowski Contracting, LLC
5.0(
2
)

Serving Annandale, NJ and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"Excellent communication, attention to detail, and suggestions for best ways to complete the job. Holding off on this project for the moment but very pleasant experience and absolutely will keep them in mind for this project and others as I budget out the projects."
Shower Final 4
Stack Stone Completed
Reframing of Bathroom
Before Stone
Installation of New Plumbing

+20

Response time2 days
2 neighbors recently requested a quote
Recommended by100%of homeowners
TNN Contracting LLC
5.0(
1
)

Serving Annandale, NJ and surrounding areas

Approved

In business since 2000

Free estimates

Offers commercial services

"TNN managed our new construction and land development project from scratch. Tim caught MANY errors by the Engineer and Architect before they could become a problem. He made many great suggestions to elevate our original plans. Work quality is great and they take pride in everything they do. Nick did an amazing job on our trapezoid windows and carpentry work. We highly reccommed TNN and will continue to use them for the next phase of our project (garage) We would be happy to provide a reference and even show the work they completed for our project. Kevin and Carmen Petti, Tewksbury, NJ"
Response time2 days
10 neighbors recently requested a quote
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FAQs for basement remodeling projects in Annandale, NJ

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The Annandale, NJ homeowners’ guide to basement remodelings

From average costs to expert advice, get all the answers you need to get your job done.