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    Average homeowner rating
  • Verified reviews icon36
    Verified basement remodels reviews

Top-Rated Basement remodelers in Irwin - Updated Nov 2026

Avatar for RMS Contractors Group, LLC
RMS Contractors Group, LLC
4.1(
88
)
Basement - Remodel

Serving Irwin, PA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"Rick is a professional contractor who takes the time to make sure every detail is attended to and his crew does a great job - Thanks guys - great job on the new roof!!! From start to finish, they handled the challenges of the weather and unexpected repairs that arose. We highly recommend RMS and would definitely hire them again for future home improvements."
 putting on the stone
 Starting in the hole
 I had to find river stones.
 Front entrance Scott Cs auto
 She needs a ramp for Hubby!

+279

Response time1 day
4 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Jaft Enterprises, LLC
Jaft Enterprises, LLC
5.0(
26
)
Basement - Remodel

Serving Irwin, PA and surrounding areas

Approved

In business since 2000

Free estimates

Emergency services offered

"Jeff is an amazing professional. This is the second time Jeff has worked to repair parts of my front walkway after a winter thaw and before Easter, when all of my relatives would be over for the Holy Day and would be taking pictures in the front. Jeff worked diligently to find the stone pavers that would work with the dimensions of my front walk. He repaired 2 collapsed steps and replaced pavers that had cracks in them. Jeff makes sure everything looks good and will last. Jeff took all of the crumbled stone pieces with him, so I didn't have to worry about any of the clean up. I know that if I need another project with my walk or outdoors, I'm calling Jeff again."
Mahogany engineered flooring
Mahogany engineered flooring
Before
Before
Before

+44

Response time2 hrs
Response rate92%
5 neighbors recently requested a quote
Avatar for Alliance Construction
Alliance Construction
4.9(
19
)
Basement - Remodel

Serving Irwin, PA and surrounding areas

Approved

In business since 1998

Free estimates

Customers say: Quick response

"John and his team did an exceptional job in remodeling our basement into a very cozy family gathering room. He also did our kitchen flooring, painting, and kitchen cabinet refinishing. He guided us in the right direction and ensured that our ideas were fully incorporated and safely implemented. Very courteous and speedy work. Would highly recommend them; they did an excellent job."
Our work
Our work
Our work
Our work
Our work

+25

Response time4 hrs
Response rate89%
Recommended by68%of homeowners
Avatar for C&MGage Construction
C&MGage Construction
5.0(
15
)
Basement - Remodel

Serving Irwin, PA and surrounding areas

Approved

In business since 2022

Credit card accepted

Offers commercial services

"Their Plumber Jared was amazing at the jobs I asked him to look at. He got straight to work on the problems and finished them fast. Jared not only fixed the problem, but told me what was wrong and showed me what was causing them. Best yet, he only charged me for the work and not for just coming out to look at the problems. I would suggest C&MGage Construction for anyone that wants well experienced expert and a fair price for the work."
Various Projects
Various Projects
Various Projects
Various Projects
Staircase Project nearly complete

+42

Response time2 days
16 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for HomePro Remodelers, LLC
HomePro Remodelers, LLC
4.0(
27
)
Basement - Remodel

Serving Irwin, PA and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"The HomePro Remodelers, with their exceptional skills, helped make our project a huge success. They took extraordinary effort in cleaning up and were very considerate of our surroundings. Since our back porch enclosure has added so much to our lives, we are considering having our front porch also enclosed."
Sunroom
Sunroom
Sunroom
Sunroom
Sunroom

+17

Response time3 days
Response rate92%
Recommended by80%of homeowners
A & J Contracting Company, LLC
4.2(
36
)
Basement - Remodel

Serving Irwin, PA and surrounding areas

Approved

In business since 1995

Free estimates

Customers say: Quick response

"I hired him to do a pretty significant remodel on a duplex investment property. The building was old and had a lot of subpar work done by the previous owner that had to be fixed. He worked with my budget and stood by his work as he actually fixed a leak in the roof 2 months after the work had been completed. Anthony was a great partner as he told me exactly what to expected and helped me save money where possible. His knowledge of the investment/rental perspective helped me reach my goals with the duplex. I plan to buy again and will definitely be using Anthony and team for any work needed."
 bathroom before picture
 bathroom after picture
 kitchen remodel photo
 Rough framing for basement remodel
drywall work for basement remodel

+23

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for KMA Carpentry & Contracting
KMA Carpentry & Contracting
5.0(
18
)
Basement - Remodel

Serving Irwin, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"SO incredibly happy with our deck remodel! From start to finish, the process was easy as could be for my husband and I. Marshall made sure to communicate, offer honest and professional advice when needed, and overall left us with no doubt we were in good hands. The entire crew was friendly, professional and cleaned up afterwards like they were never here. Couldn't recommend KMA more for your next project!"
Response time12 hrs
Response rate93%
6 neighbors recently requested a quote
Avatar for Moser Construction
Moser Construction
4.3(
83
)
Basement - Remodel

Serving Irwin, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Small jobs welcome

"Excellent workmanship. We had interior stairwell railing installed . They did a beautiful job, the finished project was flawless. Also, the Moser team removed old aluminum railing on our front porch and installed vinyl railing, again the completed work was exactly what we wanted! I would recommend hiring them for any projects you may have."
Finished deck
Before start
Old wood gate entrance
Old wood railing
Old wood railing

+12

Response time8 hrs
35 neighbors recently requested a quote
Recommended by92%of homeowners
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Basement Remodel FAQs, answered by experts

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.

Although homeowners often use the terms basement remodeling and basement finishing interchangeably, they are quite different terms. 

Finishing a basement is the process of taking a basement space that is not habitable and adding elements to make it usable. This includes adding plumbing, flooring, and insulation.

Remodeling a basement means taking an already existing finished basement and changing it, often by adding or removing walls, adding plumbing, or changing the existing flooring.

The average cost of remodeling a basement is $30 to $75 per square foot. If your space is unfinished and looks like it may need more help, use the higher number when calculating your estimated basement remodeling costs. A good rule of thumb is to add an additional 20% to the top of your estimate to cover any “what if” situations.

A finished basement does not always count as square footage, as this varies by state regulations. In areas that allow below-grade spaces to be included in a home's official square footage, the basement must typically meet certain conditions. These conditions often include having a functional egress and being a livable space with flooring, finished walls, and temperature control. To be certain, contact your local assessor to confirm your area's specific policies regarding basement square footage.

Building up by adding square footage to the top of your home is often less expensive than adding a basement, but it depends on the specifics of your house, your property, and supply costs. Because building a basement requires excavation, it can be a more expensive option than building up.

The Irwin, PA homeowners’ guide to basement remodels

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