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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon99
    Verified basement remodels reviews

Top-Rated Basement remodelers in Somerville - Updated Nov 2026

Avatar for Monk's Home Improvements Inc.
Monk's Home Improvements Inc.
4.7(
600
)
Basement - Remodel

Serving Somerville, NJ and surrounding areas

Approved (Corporate)

In business since 2007

Free estimates

Credit card accepted

Along with the Monk's Kitchen & Bath Design Studio, we are a full-service home improvement provider. Monk's will help you plan, design, and purchase everything you need for a remodel. Then our expert craftsmen will install everything and our painters will come and complete the job.

Recessed Shelving
Reach-In Closets
My jobs
My jobs
My jobs

+19

19 neighbors recently requested a quote
Recommended by92%of homeowners
The Better Basement Company
4.2(
32
)
Basement - Remodel

Serving Somerville, NJ and surrounding areas

Approved

In business since 2003

Free estimates

Emergency services offered

"We just had our basement finished. Not re-finished but finished for the first time. The house was built in 1924 with a dirt floor in the basement and low hanging pipes, overall a very challenging job. We wanted to turn it to a family room with a full bath, laundry room, closets, etc. Joe's guys (Chico and Javier) did a fantastic job. They are knowledgeable, thorough, thoughtful, and creative. We would recommend them to anyone without hesitation."
 Before
 ICE CREAM BAR
 CREATIVE IDEAS
 CREATIVE OFFICE SPACE
 After

+13

Response time2 days
Response rate95%
6 neighbors recently requested a quote
All-Star Contractors of Hunterdon County, LLC
4.7(
37
)
Basement - Remodel

Serving Somerville, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1970

Free estimates

Emergency services offered

"My husband and I are beyond grateful to All-Star contractors for doing an excellent job on finishing/remodelling our basement. We never imagined that our basement will look this good despite the small size (we live in a townhome). Every space was made functional. Bill (the contractor) is very fair, always listen and give recommendations as needed. The price is appropriate for the excellent work done. Bill's crew is very hardworking and takes pride in his work - making sure that we will be pleased and always asked if there is anything or issue that needs to be addressed. We are in the process of lining up our next project with Bill. We will definitely not settle for another company for any work we need whether it is something minor or major. If you are looking for someone trustworthy - we will definitely recommend Bill without a doubt."
Response time3 days
Response rate100%
2 neighbors recently requested a quote
Avatar for American Supreme Construction LLC
American Supreme Construction LLC
5.0(
347
)
Basement - Remodel

Serving Somerville, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2012

Free estimates

Emergency services offered

"American Supreme Construction recently renovated our basement, and it came out great. Very happy how everything turned out. Don and his team have an eye for detail and it shows with the results. Highly recommend American Supreme Construction"
Roof Installation EPDM 51,000 sq/ft
Roof Installation EPDM 51,000 sq/ft
Roof Installation EPDM 51,000 sq/ft
Roof Installation EPDM 51,000 sq/ft
Roof Installation EPDM 51,000 sq/ft

+40

Response time5 hrs
Response rate97%
166 neighbors recently requested a quote
Next Step Construction, LLC
4.3(
25
)
Basement - Remodel

Serving Somerville, NJ and surrounding areas

Approved

In business since 2003

Free estimates

Customers say: Quality work

"This is an honest and reliable company. They took good care of the rest of the house while remodeling was underway. They added extra tasks which became apparent once the job was started. I would recommend them to anyone. I have hired them for several other projects."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Pro Services
Pro Services
4.8(
150
)
Basement - Remodel

Serving Somerville, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Emergency services offered

We offer home remodeling and maintenance services, including kitchen and bathroom renovations, flooring, tile installation, painting, and cabinet and countertop installation. We also provide chimney inspections, maintenance, and rebuilds, along with air duct cleaning and maintenance. From interior upgrades to essential home care, we help make your home more beautiful, comfortable, and functional.\n

Chimney Cap Installation
Smoke chamber before
Chimney Sweep Project
Fireplaces Project
Chimney Sweep Project

+36

Response time4 days
Response rate100%
47 neighbors recently requested a quote
Avatar for Galaxy Construction
Galaxy Construction
4.7(
16
)
Basement - Remodel

Serving Somerville, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Warranties offered

"Ed and his crew finished our basement. He was great to work with and pricing was very competitive. The work they did was beyond our expectations and we were extremely satisfied with the finished product. Ed also did a remodel on our main bathroom. My wife couldn't be happier! We would highly recommend Galaxy Construction for your home improvement."
220 Fountayne Lane
220 Fountayne Lane
220 Fountayne Lane
220 Fountayne Lane
220 Fountayne Lane

+1

Response time2 days
Response rate93%
1 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

Yes, barndominiums can have basements. Barndominiums are typically built over concrete slabs, so barndo basements are not very common. However, it is possible to include a basement in a barndominium blueprint as long as you’re building completely from scratch. Barndos can have the same types of basements as traditional homes, including full or walk-out basements.

You should always use high-quality lumber for your framing in order to ensure it will last the test of time and resist moisture. Use 2-foot by 4-foot lumber that is pressure-treated for your framing.

Adding an extension or addition to your home costs more than a loft conversion in all but the rarest cases where the home's structural integrity is lacking. Because a home addition requires a new foundation section or significant structural upgrades to handle a cantilevered portion, the cost compared to almost any loft conversion is significantly greater for the same square footage.

Yes, in most cases, finishing a basement is worth the cost. The project adds valuable, usable square footage to your home and typically provides a return on investment (ROI) of 70% to 75%. For example, an average basement refinishing project costing $32,000 could add between $22,400 and $24,000 to your property's value. The final value added depends on factors like your location, the quality of materials and workmanship, and the features you include, such as a living space, bedroom, or bathroom. To be officially counted in your home's total square footage, the finished space must comply with all local building codes, including requirements for points of egress. However, in areas prone to flooding, a finished basement might be seen as a liability by potential buyers and could potentially decrease your home's value.

Making a window in a basement larger costs an average of $4,200. You’ll need to pay an average of $550 to have a structural engineer plan the project, $500 to $1,500 for the installation labor, and an average of $2,200 for the excavation and window well installation. The remainder will go toward pulling permits, installing trim, and repairing drywall on the interior.

The Somerville, NJ homeowners’ guide to basement remodels

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