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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon73
    Verified basement remodels reviews

Top-Rated Basement remodelers in Thornton - Updated Nov 2026

Avatar for Quality 1st Basement Systems, Inc.
Quality 1st Basement Systems, Inc.
4.7(
113
)
Basement - Remodel

Serving Thornton, PA and surrounding areas

Approved

In business since 1999

Free estimates

Warranties offered

"my whole home feels fantastic. very courteous and knowledgeable individuals. I would hire them again for all my basement waterproofing and basement remodeling needs in the future. Its hard to find a family run business with amazing values and professionalism. these guys have it all."
Show Booth
Tough day
Found it in a crawlspace
What is it?
Found it in a crawlspace

+142

Response time1 day
Recommended by88%of homeowners
Avatar for PG Tedesco Construction
PG Tedesco Construction
4.4(
90
)
Basement - Remodel

Serving Thornton, PA and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"Paul was excellent to work with. We had to make many changes during our remodel. He was very accommodating and easy to work with. Our ADA remodel to convert a bedroom and bathroom making it wheelchair accessible turned out beautifully! We are very happy and would highly recommend His company ."
BEFORE
AFTER
House
House
House

+2

Response time2 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for Manfredia's Carpentry & General Contracting, LLC
Manfredia's Carpentry & General Contracting, LLC
4.6(
137
)
Basement - Remodel

Serving Thornton, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1989

Free estimates

Warranties offered

"Wally redid our bar and the floor behind the bar, moved a light fixture in the kitchen, and painted the steps going into the basement. All of his employees were very polite and did a great job. We will use his company for any future projects around our home."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+24

Response time7 hrs
10 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for MNB Renovations
MNB Renovations
5.0(
10
)
Basement - Remodel

Serving Thornton, PA and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"It was a wonderful experience. Matt knew what he was doing. He listened to what we wanted and made sure we got what we wanted. He had suggested we visit a Cabinet maker store in Lancaster and after doing that we found the perfect cabinets for us. His work is excellent. He is very efficient and neat. Even with our changes he was able to maintain and keep the project on schedule. On a personal level he and his helper were very nice. I would highly recommend Matt to anyone and we are having him come back to do other projects."
Kitchen Remodel
New stair case and great room
Oak staircase
Kitchen Remodel
Entry way

+181

Response time5 days
Response rate100%
3 neighbors recently requested a quote
Avatar for R.A BARKER
R.A BARKER
4.8(
23
)
Basement - Remodel

Serving Thornton, PA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"I have been wanting an upgrade in my bathroom. Ron and his team at Ra barker were very helpful in the process of helping me choose the bathroom that best suits my liking. They worked fast and very efficiently! The results are amazing! It’s everything I wanted and more! I highly recommend Ra barker if you’re looking to remodel!!"
Finished basement
Finished
Basement Remodeling
Bathroom Remodel
New plywood

+113

4 neighbors recently requested a quote
Recommended by55%of homeowners
Avatar for Lombardozzi Construction, LLC
Lombardozzi Construction, LLC
4.7(
19
)
Basement - Remodel

Serving Thornton, PA and surrounding areas

Approved

In business since 2011

Free estimates

Small jobs welcome

"Lombardozzi Construction also installed 2 exterior doors and extended a roof overhang. They did a fantastic job on the entire project. If you need house renovations please contact Lombardozzi Construction."
Cabinets and Crown installed
Completed project
Repurposed the old cabinets to make this dry bar i
Old door
New door installed

+17

Response time9 hrs
Response rate93%
Recommended by100%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.

Rebar is an essential part of reinforcing a basement floor, as not having it can impact its structural integrity. It helps absorb the tension factors that contribute to cracks in your floor and strengthens its load-bearing capabilities by evenly distributing the weight. Not including rebar could lead to an unstable floor, so don’t skip it!

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.

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.

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.

The Thornton, PA homeowners’ guide to basement remodels

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