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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon17
    Verified basement remodels reviews

Top-Rated Basement remodelers in Cornwall - Updated Nov 2026

Avatar for RemodelingExpertsPA.com
RemodelingExpertsPA.com
4.9(
19
)
Basement - Remodel

Serving Cornwall, PA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"David did a great job doing our deck exactly how we wanted. Response time was delayed by a few days via email but recommend calling or texting him instead for a quicker response. Overall I am pleased with the deck and I would recommend David at RemodelingExperts."
New decks
New decks
Additional Photos
Additional Photos
Additional Photos

+11

4 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Tradesman Construction
Tradesman Construction
4.7(
81
)
Basement - Remodel

Serving Cornwall, PA and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

"I have hired tradesmen builder to remodel by basement. They had done an excellent job exceeding my expectations. They are flexible and Hunter is really accommodating any of the changes. I would definitely go with them for any of my future home remodeling projects."
Basement after
Duncannon Basement Finish
Basement
Duncannon Basement Finish
Basement

+108

Response time1 day
Response rate86%
20 neighbors recently requested a quote
Avatar for Kees Construction & Remodeling
Kees Construction & Remodeling
4.9(
25
)
Basement - Remodel

Serving Cornwall, PA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"They will give you the best value for your money. They help you with selecting the appropriate quality materials to suit your project and budget. They work with quality products and they pay attention to details. They are respectful and tidy. These guys take pride in their work and it shows."
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel Before
Bathroom Remodel After
Basement Apartment Remodel

+101

Response time3 hrs
Response rate94%
Recommended by86%of homeowners
Avatar for BiiLT Contracting Group, LLC
BiiLT Contracting Group, LLC
4.3(
55
)
Basement - Remodel

Serving Cornwall, PA and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"Their manager came to the house and he was very helpful and had some ideas on our kitchen remodel. Before he left he said he would have a quote by next week. I got a call from him that following week and said that our kitchen remodel estimate was running in the mid 40â s and thatâ s not touching the pantry. He asked would you like for us to proceed. I said absolutely and I have heard nothing back from them. So my decision to go with another contractor was an easy decision"
After
Beautiful New Kitchenette
Open Recreation Area
Full view of the renovated bathroom
Sunroom addition

+126

Response time1 day
Response rate96%
120 neighbors recently requested a quote
Avatar for Somrok, Inc. DBA Stephen Black Builders, Inc.
Somrok, Inc. DBA Stephen Black Builders, Inc.
4.4(
10
)
Basement - Remodel

Serving Cornwall, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Customers say: True professional

"I had a basement remodel project that included new flooring, some new framing/walls, removal of a drop ceiling, new drywall ceiling, new lighting, and new paint. Working with Eric was great. He kept in constant contact and kept me updated all along the way. He made some suggestions that improved the overall project and always kept me informed if there would be any changes to cost. He always kept me informed on the schedule even if there was a small change to a subcontractor coming earlier or later than originally discussed. The job was completed on time and on budget, I wouldn't hesitate to hire Eric (Somrok Inc.) again for a future project and highly recommend him."
Before
Finished sunroom
Old front elevation
Old rear elevation
FRont finished elevation

+39

Response time1 day
2 neighbors recently requested a quote
Recommended by62%of homeowners
Avatar for Ace Handyman Services of South Central PA
Ace Handyman Services of South Central PA
4.6(
321
)
Basement - Remodel

Serving Cornwall, PA and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"We are extremely pleased with this service event. The craftsman was very knowledgeable and had a wonderful personality. He was always on time as promised each day. Restoration was performed very efficiently and he cleaned and disposed of debris as he advanced through each job stage. When decision points required our input, we were asked for our ideas before a task was completed. This is our third job performed by Handyman Matters. We are extremely pleased with the Administrative Team and all craftsmen who've worked on our behalf. We would definitely hire Handyman Matters again and are very willing to pass referrals to anyone seeking a reliable contractor."
Palmyra Kitchen
Enola Bathroom Remodel
Pressure Wash
Wall Panel Install
Storm Door Install

+1

1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Patch Boys of South Central PA
Patch Boys of South Central PA
4.1(
50
)
Basement - Remodel

Serving Cornwall, PA and surrounding areas

Approved

In business since 2019

Free estimates

Customers say: Quick response

"Jason and Stephen were outstanding. Everything from giving an estimate to finishing the job was done in a timely manner. The finished product was excellent. I would recommend them to anyone needing a drywall repair job."
Bathroom
Bathroom
Bathroom
Ceiling
Ceiling

+5

Response time7 hrs
Response rate100%
6 neighbors recently requested a quote
...
Showing 1-10 of 144
Basement Remodel FAQs, answered by experts

Envision the type of bar experience you'd like to create for your guests. For example:

  • Does your basement have enough finished space for bar stools or seating?

  • What type of additional lighting would set the tone for the room?

  • Are there basement windows or an HVAC system?

  • Do you need new plumbing in your basement for a proper wet bar?

  • Could you be happy with a built-in wall cabinet bar rather than a full-scale wet bar?

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.

Any bowing in a basement wall indicates a problem that needs to be addressed by a professional. If your basement wall bows more than 1 inch, it's time for an inspection. Generally, a wall can bow up to 30% of its thickness (around 2.5 inches for an 8-inch-thick wall) before it becomes an urgent situation. Bowing of 2 to 4 inches is more straightforward to fix than bowing of more than 4 inches, which will require significant repairs. If the bowing is more than 6 inches, the wall will likely need to be replaced. The sooner you address the problem, the easier and less expensive the repair will be.

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.

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!

The Cornwall, PA homeowners’ guide to basement remodels

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