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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon117
    Verified basement remodels reviews

Top-Rated Basement remodelers in Leonia - Updated Nov 2026

Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.5(
746
)
Basement - Remodel

Serving Leonia, 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%
220 neighbors recently requested a quote
Avatar for Prestige Design & Build Corp.
Prestige Design & Build Corp.
5.0(
40
)
Basement - Remodel

Serving Leonia, NJ and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"I worked with Prestige on a few, somewhat unique, projects recently, including renovating an old detached garage and fixing up my basement after a French drain/sump pump install. It was definitely a 5 star experience. Matt seemed more like a partner than a contractorâ ¦he brought creative solutions and ideas to the project, was transparent with updates and showing off milestones as they were completed, and even went the extra mile to ensure quality (example: he insisted that siding be sent back because it did not quite match the rest of the house). He also hooked me up with a custom side door for my EV charger cord that is going to make charging outside so much easier. I will definitely be hitting him / Prestige up again in the future."
Demarest multiple room remodel
completion of renovation
Addition project progress
Rear addition project
Master bedroom suite

+542

Response time6 hrs
Recommended by66%of homeowners
Avatar for Lilco Construction Inc
Lilco Construction Inc
5.0(
10
)
Basement - Remodel

Serving Leonia, NJ and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"Lilco has done numerous jobs here to our Satisfaction. Owner is honest, knowledgeable about various home construction projects and easy to work with. Bring your own vision or let him help you bring a general goal/vision to life. He’s been able to help me troubleshoot with success."
Recommended by50%of homeowners
Avatar for CSZ Construction
CSZ Construction
4.6(
69
)
Basement - Remodel

Serving Leonia, NJ and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"Cesar and his crew just finished a remodel of my master bathroom. This is the second major project completed in my home by CSZ (prior kitchen remodel) and once again they exceeded my expectations. Cesar worked with me along the way to come up with the perfect design to ensure all my requirements were met. He is knowledgeable and his attention to detail is second to none. The CSZ crew, Armondo and Benjamin were also a pleasure to work with. They are knowledgeable, trustworthy, and hardworking. They also did an exceptional job cleaning up at the end of each work day. My dog even loves them! I highly recommend CSZ Construction. They will most certainly be back for future projects in my home!"
 ALL COLUMNS FINISH
OLD DECK
Livinroom
 PAINTING
PREPARING FOOTINGS

+168

Recommended by93%of homeowners
Avatar for NATIONAL PRO WATERPROOFING LLC
NATIONAL PRO WATERPROOFING LLC
5.0(
48
)
Basement - Remodel

Serving Leonia, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Mike and his team not only waterproofed my basement he provided one stop shopping by bringing in a contractor to repair the drywall and install a new laminated floor. The work was outstanding and completely transformed my basement into a beautiful functional part of my home. I highly recommend them!"
Finished JOB
Start Job
MID JOB
Finished JOB
AFTER TRENCHED OUT

+3

Response time4 hrs
Response rate99%
14 neighbors recently requested a quote
Avatar for CHARLY'S PAVING & SEALCOATING LLC
CHARLY'S PAVING & SEALCOATING LLC
4.8(
16
)
Basement - Remodel

Serving Leonia, NJ and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Great experience with Charles Renovations. We dealt with Angel, who was professional and prompt and honest from start to finish. We are very satisfied with the work done on our basement refinish/remodel. Great communication and great workmanship. I recommend Charles and would use them again."
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+2

Response time1 day
Response rate100%
1 neighbors recently requested a quote
Ernest & Sons General Contractors
4.1(
23
)
Basement - Remodel

Serving Leonia, NJ and surrounding areas

Approved

In business since 1997

Customers say: Quality work

Ernest & Sons General Contractors and Landscaping Design\nWe meet all of your residential needs.\n* Landscape\n* Hardscape\n* Shrubs\n* Mulching\n* Planting\n* Top Soil\n* Sod\n* Shrub Removal\n* Spring Clean Up\n* Driveways\n* Pavers\n* Patios\n* Steps\n* Curves\n* Retaining Walls\n* Seal Coating\nWe have over ten years in business and landscape design.\nWe provide experienced quality work at reasonable rates.\nTell us what you have in mind and we will build it for you and your family.\nCall Us!

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7 neighbors recently requested a quote
Recommended by88%of homeowners
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Basement Remodel FAQs, answered by experts

The difficulty of adding a basement to an existing house can vary depending on the house’s location, the size of the basement, and the type and condition of the existing foundation. Adding a basement is a job best handled by the pros, so you’ll need to enlist professional help for this project.

Yes, you can install a summer kitchen or kitchenette in your basement. They serve similar purposes as outdoor kitchens, keeping the main floor of the house cool and providing another space to cook and congregate. Basement kitchens are also a worthwhile alternative for homeowners without much space in the backyard. They come with a few logistical questions to sort out, though, like ventilation and waterproofing.

Some older homes have toilets in the basement to combat sewage backups. This type of toilet, also known as a Pittsburgh potty, acted as a safety valve over the incoming sewer line. If a line backed up, it would back up into the toilet because it was the lowest fixture in the home, keeping it out of sight and away from the finished areas of the house.

Basement toilets were also used by workers with messy jobs, like those who worked in coal mines or steel mills. This way, they could clean up and avoid tracking dirt through their home.

To determine if your basement walls are suitable for finishing, assess their structural integrity and moisture conditions. Look for any signs of damage, such as cracks, bowing, or excessive moisture. Ensure proper drainage and address any underlying issues before proceeding. 

Consult with a professional if you're uncertain about the structural stability or potential risks associated with finishing your basement walls.

For most basement remodels, you’ll want to hire a general contractor. This is for a number of reasons, but the main two are that general contractors have dedicated teams they are comfortable with, and hiring one means you only have to deal with one pro. You may also get a better project quote since they can lump all their work and subcontracting into a single quote. 

The Leonia, NJ homeowners’ guide to basement remodels

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