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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon33
    Verified basement remodels reviews

Top-Rated Basement remodelers in South Beloit - Updated Nov 2026

Belair Remodeling & Handyman
5.0(
3
)
Basement - Remodel

Serving South Beloit, IL and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"He has painted, installed a backsplash, replaced lights, and built an island in our kitchen. He sided my son's houses and finally replaced and repaired plumbing in my 3 bathrooms. Everything was done when promised and at the price quoted. I would highly recommend and I have recommended to numerous people."
Response time11 hrs
Recommended by100%of homeowners
Avatar for Exclusive Masonry & Construction
Exclusive Masonry & Construction
5.0(
3
)
Basement - Remodel

Serving South Beloit, IL and surrounding areas

Approved

Free estimates

Small jobs welcome

Offers commercial services

"Communication was great ever step of the way and they were more than flexible and worked through challenging weather to get the job done within our time frame. Would def consider working with them again."
Additional Photos
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+43

2 neighbors recently requested a quote
Avatar for Castle Construction
Castle Construction
4.9(
9
)
Basement - Remodel

Serving South Beloit, IL and surrounding areas

Free estimates

Credit card accepted

"We called, Alex came out that afternoon, had a bid the next day for the screening. The next day he had a bid on the chimneys. He and a partner began the work and finished in a week. They cleaned up each day, and hauled away trash. Very nice to work with and very thorough. Yes, I would hire again."
Kitchen and Bath Remodeling Project
Remodeling - Kitchen & Bathroom Project
Decks and Porches Project
Landscaping Project
Kitchen and Bath Remodeling Project

+64

Recommended by100%of homeowners
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Basement Remodel FAQs, answered by experts

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.

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.

When choosing materials for finishing basement walls, consider factors such as moisture resistance, durability, and fire resistance. Opt for materials specifically designed for basement environments, like moisture-resistant drywall or cement board. Insulation with vapor barriers can help regulate temperature and prevent condensation. Consider using mold-resistant paints or coatings. 

Research and consult with experts to select materials that are suitable for your specific basement conditions and intended use. Prioritize quality and compatibility to achieve long-lasting and aesthetically pleasing results.

Yes, you can add a door to your basement—it might even be required, depending on building codes in your area and whether or not you’re using the basement as a bedroom. A basement contractor can give you some advice on installation and help you add a door to your basement.

It is generally more affordable to finish a basement than an attic, though it ultimately depends on how you plan to use the space. The average cost to finish a basement ranges from $7 to $23 per square foot, while attic renovation costs $30 to $60 per square foot. However, a simple attic conversion to a storage space will cost significantly less.

The South Beloit, IL homeowners’ guide to basement remodels

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