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TRUSTED BY SEWELL, NJ HOMEOWNERS

  • Average homeowner rating star icon4.8
    Average homeowner rating
  • Verified reviews icon74
    Verified basement remodels reviews

Top-Rated Basement remodelers in Sewell - Updated Nov 2026

Avatar for Bowen Contracting Inc
Bowen Contracting Inc
4.9(
135
)
Basement - Remodel

Serving Sewell, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1991

Free estimates

Credit card accepted

"We are returning customers of Bowen Contracting after they dis a great job with our patio and enclosure. This time it was a basement remodeling project. Jeff and his crew did a great job, using high quality materials and high quality workmanship. They were flexible with regards to us modifying existing plans as the project progressed. We recommend Bowen Contracting to anyone who might want any home improvement work accomplished."
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Azek deck with vinyl rail
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+65

Response time1 day
1 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.5(
746
)
Basement - Remodel

Serving Sewell, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Warranties offered

"We had a great experience with the Lux Renovations and Owens Corning team. The whole process was very easy from designing the space, selecting colors, and having a contract manager who organized the entire basement remodel including all the trades and inspections. We were sold on the Owens Corning materials for the basement and that they were engineered specifically for a basement space. Would highly recommend this team for your basement remodel needs."
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+40

Response time1 day
Response rate100%
223 neighbors recently requested a quote
Avatar for Superior Construction Solutions, LLC
Superior Construction Solutions, LLC
4.9(
19
)
Basement - Remodel

Serving Sewell, NJ and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"Sean and his crew provided exceptional work. The company is professional and offers fair pricing. They remodeled my mother's bathroom, taking it from the 1970s to a sleek modern bathroom. Sean is meticulous and went over and above to make sure the job was just what my mother wanted. I would highly recommend this company."
mt ephraim
mt ephraim
mt ephraim
burlington
burlington

+27

Response time10 hrs
Recommended by100%of homeowners
Avatar for JWL Construction
JWL Construction
5.0(
4
)
Basement - Remodel

Serving Sewell, NJ and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

"The professionalism and quality was superb. From the very first consult to the last day the owners were available to answer any questions. They walked thru the process from step one. Wendy even assisted with design. Staff always cleaned up everyday and they even became friends with my two dogs. You hear about nightmare remodels but mine was wonderful and it was a large job. Can’t wait for them to do my next project."
1 neighbors recently requested a quote
Recommended by100%of homeowners
JWL Construction, LLC
5.0(
3
)
Basement - Remodel

Serving Sewell, NJ and surrounding areas

Approved

In business since 1998

Free estimates

Customers say: Quick response

"It was a pleasure working with Wendy and Leo. They did an amazing job transforming my old outdated kitchen into a place I can love for years to come. I didnâ t always like the time line, but learned that a beautiful, livable space doesnâ t happen overnight. All I can say is â trust the processâ ! In the end you will be happy you did. Wendy and Leo worked with me to stay within my budget while still using top of the line cabinetry, countertops, flooring and accessories. I interviewed 4 different contractors before making a decision. You should hire JWL contractors. You will not be disappointed."
Response time5 days
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for JMD Builders LLC.
JMD Builders LLC.
4.0(
5
)
Basement - Remodel

Serving Sewell, NJ and surrounding areas

Approved

Super Service Award Winner

Free estimates

Warranties offered

Customers say: True professional

General Remodeling business locally owned and operated we feel invested in our clients and constantly strive for customer satisfaction. Call or message us to schedule an estimate today!

Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project
Remodeling - Kitchen & Bathroom Project
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+20

Response time3 days
Response rate93%
6 neighbors recently requested a quote
Avatar for Nany Construction LLC.
Nany Construction LLC.
5.0(
2
)
Basement - Remodel

Serving Sewell, NJ and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Yes, the job was done beautiful. He was very professional and definitely has the skills and knowledge as a general contractor. He kept me informed and contacted immediately if there were any issues. I highly recommend this company for any home improvement projects."
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+34

4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Home Plus Services
Home Plus Services
5.0(
3
)
Basement - Remodel

Serving Sewell, NJ and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

• Licensed • Skilled • Reliable • \n\nWE OFFER: \nInterior & Exterior Home Improvements\nProject Management\nGeneral Construction & Repairs\nArchitectural Design & Drafting\nCustom Projects\nTransitioning / Relocation\n Restoration / Remodeling\nServices Offered:\n\n\nHome Plus Services is the leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!\n

167 Jones Kane
167 Jones Kane
167 Jones Kane
301 Arizona
301 Arizona

+2

2 neighbors recently requested a quote
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Showing 1-10 of 262
Basement Remodel FAQs, answered by experts

Yes, most general contractors require an initial down payment, typically between 10% and 25% of the total project cost. This upfront payment helps cover the costs of materials, permits, and subcontractors. The remaining project costs are usually billed after specific project milestones are reached or on set completion dates, as outlined in your contract. Be wary of contractors who require a significant deposit of 50% or more upfront, as this could be a red flag for a scam.

Basements with persistent moisture problems or flooding shouldn’t be finished until the moisture issues have been fixed. In addition, if your foundation is cracked, you have unmitigated radon levels, or you have asbestos or lead pipes, remediate the underlying problem before finishing your basement. Turning a basement into living space before fixing these issues can lead to serious health risks or structural damage. 

Yes, you can add a bathroom to an unfinished basement, but you’ll want to take proper precautions if doing so. As with any bathroom addition, you’ll need to make sure that it’s approved by local building authorities first. With unfinished basements, you especially need to keep an eye on proper ventilation practices.

Yes, most general contractors require an initial down payment. A reasonable deposit is typically between 10% and 25% of the total project cost, although this can vary by project size and location. This upfront payment helps the contractor cover initial costs like materials, permits, licensing, and hiring subcontractors. The remaining balance is usually billed according to a schedule outlined in your contract, often tied to project milestones or completion dates. Be cautious of contractors who ask for a large deposit of 50% or more, as this could be a red flag for a scam.

Walkout basements are not generally included in a home’s square footage, although they may be if they meet certain conditions that depend on local regulations. A finished walkout basement used as a living space may be counted toward square footage in some locations as long as all codes for livable space are met.

The Sewell, NJ homeowners’ guide to basement remodels

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