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Top-Rated Basement remodelers in Belleville - Updated Nov 2026

Avatar for Millstone Co
Millstone Co
3.9(
7
)
Basement - Remodel

Serving Belleville, PA and surrounding areas

Approved

Free estimates

Credit card accepted

"????? We couldn?t be happier with the basement finishing project completed by Millstone & Co LLC! From start to finish, the team was professional, detail-oriented, and committed to delivering quality craftsmanship. They transformed our unfinished basement into a beautiful, functional living space that feels like a natural extension of our home. Communication was great throughout the process, and the attention to detail really showed in the finished product. If you?re looking for a reliable contractor who takes pride in their work and genuinely cares about the results, we highly recommend Millstone & Co LLC. We would absolutely work with them again on future projects!"
17 neighbors recently requested a quote
Avatar for Homemade Design
Homemade Design
3.7(
322
)
Basement - Remodel

Serving Belleville, PA and surrounding areas

In business since 2006

Credit card accepted

"Amanda was really very good!  At first I was very skeptical, thinking why did I pay money to just speak with someone on the phone about my kitchen remodel project... but after just a few minutes of her addressing some of the issues/questions I emailed to her earlier, I knew it was worth it.  It was very clear that she knew her business and she gave me several ideas that I had not even thought about.  I told her that I would definitely recommend her to friends and I will very likely use her again myself for my next home project!

"
Pennsylvania Master Bathroom
Boston Small Condo Kitchen
California Client Saves with HMD Designer Discounts
Recommended by54%of homeowners
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Basement Remodel FAQs, answered by experts

A finished basement must have a heat and electrical supply with an entrance that meets building code requirements, such as a stairwell to the home's main living space. It often must include finished walls, ceilings, and floors. If the finished basement includes a bedroom, it should have a heat source, an egress window, and a closet.

Remodeling, as opposed to finishing, means altering an already finished basement by adding a bathroom, bedroom, or living area.

Walkout basements cost more than other kinds of basements, and can also increase your risk of leaks as well as a loss of insulation, leading to higher heating and cooling costs. Improperly installed walkout basements may lead to structural issues with your foundation, so ensure you’re working with a contractor who has extensive experience with this kind of basement.

Permits may be required for major repairs, structural work, or electrical and plumbing restoration after a flood. Check with your local building department to determine permit requirements and associated fees for your flooded basement cleanup project. Obtaining the correct permits helps ensure work is done safely and up to code.

If you don’t have a crawl space but have a partial basement you want to make deeper, you can expect to spend a little less—between $40,000 and $90,000 on average. However, if you’re not adding new finished square footage, you won’t see much in the way of ROI.

Egress windows or doors are required in finished basements to meet safety and building codes. If your basement is unfinished and used as a storage space, egress windows are not required, but anything considered a habitable space must have an additional point of egress in addition to the stairs.

The Belleville, PA homeowners’ guide to basement remodels

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