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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon92
    Verified basement remodels reviews

Top-Rated Basement remodelers in Thorndale - Updated Nov 2026

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

Serving Thorndale, 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 Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.5(
746
)
Basement - Remodel

Serving Thorndale, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Warranties offered

"We love our basement remodel. Peter, Alex and his team were here when they said theyâ d be here, completed the job as described, and kept us updated along the way. The basement now looks and feels clean and bright. The additional space doesnâ t feel like a basement at all and is enjoyed by the whole family. We highly recommend Lux Renovations."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+40

Response time1 day
Response rate100%
221 neighbors recently requested a quote
Avatar for All-Phase Construction Company, LLC.
All-Phase Construction Company, LLC.
4.8(
177
)
Basement - Remodel

Serving Thorndale, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"We just got our basement done and I must say we are simply loving it. All Phase Construction has an amazing crew of individuals working for them. Josh and his entire team have great work ethic...very professional and are a pleasure to work with. We are very happy with the outcome and would definitely consider them for any of our future remodeling projects. Thanks again."
Bay View Window addition
Staircase transformation
Bay View Window
Window Installment
Outdoor Deck addition

+43

Response time2 days
Response rate86%
4 neighbors recently requested a quote
Avatar for PG Tedesco Construction
PG Tedesco Construction
4.4(
91
)
Basement - Remodel

Serving Thorndale, PA and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"Paul and his crew did an incredible job on my bathroom remodel! Paul was always excellent with his communication, and Orlando was so skilled with the tile work and entire renovation. I am so so happy with the results!"
BEFORE
AFTER
House
House
House

+2

Response time2 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for MNB Renovations
MNB Renovations
5.0(
10
)
Basement - Remodel

Serving Thorndale, PA and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"The kitchen was completed gutted and rebuilt within 3 weeks. Matt worked with us on every aspect of the remodel and addressed everything we had on our wish list. On all the projects Matt and his people were here every day until the work was completed to our satisfaction. When they left each day the work site was spotless. We have been happy to recommend MNB Renovations to our friends and family and plan on having Matt back when we are ready for our next project(s)."
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 ReImagine Renovation LLC
ReImagine Renovation LLC
5.0(
7
)
Basement - Remodel

Serving Thorndale, PA and surrounding areas

Approved

In business since 2024

Free estimates

Warranties offered

"This company did a great job at installing the new kitchen cabinets. Also did some plumbing work, set the new sink in and hooked up the faucets! They also did a very detailed job when it came to trimming out the kitchen so very happy with their work. Would highly recommend!!"
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36 neighbors recently requested a quote
Avatar for Encore Handyman & Home Repair Services LLC
Encore Handyman & Home Repair Services LLC
5.0(
9
)
Basement - Remodel

Serving Thorndale, PA and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

Encore Handyman & Home Repair Services LLC, owned by Justin Hicks, is a family-owned and locally operated business. Specializing in professional home improvement services, they offer flexible payment options, including cash, card, and digital payments. A $69 consultation fee applies and goes toward the cost of your service. With a focus on quality workmanship and personalized care, Encore Handyman delivers reliable, local expertise for all your home repair needs.

Before
Porch Repair
Deck Stair Rebuild
Before
After

+44

1 neighbors recently requested a quote
Recommended by33%of homeowners
Avatar for Weldon Builders Inc
Weldon Builders Inc
4.6(
14
)
Basement - Remodel

Serving Thorndale, PA and surrounding areas

Approved

In business since 2021

Free estimates

Offers commercial services

"Weldon Builders is a company I would recommend. They were courteous, responsive, and kept a clean working area. We had our basement remodeled and we love it. The work is quality and we have received many complements."
Deck Demo and Custom Install
Basement Renovation
Deck Demo and Custom Install
Before basement renovation
Deck Demo and Custom Install

+44

Response time2 days
12 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for East Coast Complete Construction, Inc.
East Coast Complete Construction, Inc.
4.6(
7
)
Basement - Remodel

Serving Thorndale, PA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"this was not a conventional basement remodel... Removed existing drywall walls and ceiling and installed acoustic insulation and acoustic drywall on suspended rails. Renato was knowledgeable, communicative and friendly. His crews did first rate work. I would hire again and certainly recommend him for specialized, acoustic construction!"
Response time6 hrs
Response rate96%
10 neighbors recently requested a quote
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Basement Remodel FAQs, answered by experts

Although it’s not required, air ventilation in a finished basement can help improve the air quality, prevent moisture and mold issues, keep musty odors away, and also maintain the air quality throughout the rest of your home. Proper ventilation will help maintain the value of your investment in finishing your basement. Try basement ventilation methods like installing vents or a dehumidifier for best results.

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.

Yes. Renovating your basement has a return on investment (ROI) of 75%, meaning your remodel investment will significantly increase the value of your home. Besides the ROI, your family can enjoy a larger, more usable space while you live there. 

The average cost to remodel a basement is between $12,100 and $33,400. Depending on the project's complexity, the price can be as low as $3,500 or exceed $50,200. For a simple project like adding a home office, you might spend between $500 and $3,000. However, a more extensive project, such as adding a bathroom, can range from $6,600 to $16,500. The final cost is influenced by factors like the basement's size and condition, the type of remodel, material choices, your location, and accessibility. For an accurate price, it's best to consult with a basement remodeling team.

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.

The Thorndale, PA homeowners’ guide to basement remodels

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