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Find Basement remodelers in West Mifflin

Avatar for Alliance Construction

Alliance Construction

4.94(
16
)
Approved Pro

Alliance Construction

4.94(
16
)
Approved Pro
Customers say: Quick response
28 years of experience
Free onsite estimate

We are a family owned business experienced in all aspects of home remodeling, while specializing in basement remodels. It is of our highest priority to give the customer both a final product they will be happy with and also strive to make the remodeling process as pleasant as possible. We prioritize good communication all throughout, a clean and safe environment, and meticulous quality work. "So, whether you eat or drink, or whatever you do, do all to the glory of God." (1 Corinthians 10:31)

"John Josephic, owner of Alliance Construction, provided outstanding high-quality service on our roof replacement & gutter installation. John & his wife Kerri are honest, high-integrity people, & easy to work with. John is a great craftsman who performs high-quality work at a fair price. Selecting a roofing company is a challenging task for homeowners, & we highly recommend Alliance Construction for all your roofing & home construction needs. John is very knowledgeable & experienced. John did an outstanding job on our roof & gutter material selection, demo & installation. We are glad that we found John and Alliance Construction! John’s attention to detail included Owens Corning Duration shingles, drip edge, ice & water shields, Titanium synthetic underlayment, pipe collars, ridge vents on both gables, painting furnace pipe, new flashing & counter flash for both chimneys, gutter replacement with rain spouts & flex extensions, soffit & fascia repairs, & gutter guards. Outstanding job!"

Bill L on December 2025

We are a family owned business experienced in all aspects of home remodeling, while specializing in basement remodels. It is of our highest priority to give the customer both a final product they will be happy with and also strive to make the remodeling process as pleasant as possible. We prioritize good communication all throughout, a clean and safe environment, and meticulous quality work. "So, whether you eat or drink, or whatever you do, do all to the glory of God." (1 Corinthians 10:31)

"John Josephic, owner of Alliance Construction, provided outstanding high-quality service on our roof replacement & gutter installation. John & his wife Kerri are honest, high-integrity people, & easy to work with. John is a great craftsman who performs high-quality work at a fair price. Selecting a roofing company is a challenging task for homeowners, & we highly recommend Alliance Construction for all your roofing & home construction needs. John is very knowledgeable & experienced. John did an outstanding job on our roof & gutter material selection, demo & installation. We are glad that we found John and Alliance Construction! John’s attention to detail included Owens Corning Duration shingles, drip edge, ice & water shields, Titanium synthetic underlayment, pipe collars, ridge vents on both gables, painting furnace pipe, new flashing & counter flash for both chimneys, gutter replacement with rain spouts & flex extensions, soffit & fascia repairs, & gutter guards. Outstanding job!"

Bill L on December 2025


Avatar for Marra Brothers Contracting

Marra Brothers Contracting

4.75(
57
)
Approved Pro

Marra Brothers Contracting

4.75(
57
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
12 years of experience

We are a locally owned and operated company with over 15 years of industry experience. We value honesty and integrity, and stand behind our work. We specialize in both interior and exterior residential and commercial painting projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

"I would recommend John and his crew to anyone. They came and did a great job they answered questions and made me aware of a problem that I didn’t even know I had."

Grace B on July 2024

We are a locally owned and operated company with over 15 years of industry experience. We value honesty and integrity, and stand behind our work. We specialize in both interior and exterior residential and commercial painting projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

"I would recommend John and his crew to anyone. They came and did a great job they answered questions and made me aware of a problem that I didn’t even know I had."

Grace B on July 2024


Avatar for Bridge City Team LLC

Bridge City Team LLC

New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Bridge City Team LLC

New on HomeAdvisorNew on HomeAdvisor
Approved Pro
16 years of experience
Free onsite estimate

We are a team of Pittsburgh local engineers with vast construction experience. We can help you design, engineer, and build your dream space. We focus primarily on outdoor spaces: decks, stamped concrete, outdoor kitchens, bars, retaining walls, lighting, A/V, electrical work. We also do basement renovations: bathrooms, wet bars, bedrooms, living space. Give us a call and we'll help build you something amazing!

We are a team of Pittsburgh local engineers with vast construction experience. We can help you design, engineer, and build your dream space. We focus primarily on outdoor spaces: decks, stamped concrete, outdoor kitchens, bars, retaining walls, lighting, A/V, electrical work. We also do basement renovations: bathrooms, wet bars, bedrooms, living space. Give us a call and we'll help build you something amazing!


Avatar for Pim Pam Pum

Pim Pam Pum

5.00(
10
)
Approved Pro

Pim Pam Pum

5.00(
10
)
Approved Pro
3 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"He put up a nice wood fence with solar lights. It's beautiful. Also, he was very nice, friendly, prompt and appeared to be very knowledgeable about his work. I would love for him to come back and do some more work for me in the future."

Massie G on November 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"He put up a nice wood fence with solar lights. It's beautiful. Also, he was very nice, friendly, prompt and appeared to be very knowledgeable about his work. I would love for him to come back and do some more work for me in the future."

Massie G on November 2025


BNQ Inc

4.96(
55
)
Approved Pro

BNQ Inc

4.96(
55
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
19 years of experience

We are an interior remodeling company specializing in kitchens and bathrooms. We have many years of personal experience providing Pittsburgh residents with quality products and installation. We are a family based business, which means our employees are dedicated to doing quality work in a timely fashion at very competitive prices. We are licensed with the state as HRC #037880. Fully insured. PLEASE EMAIL ME DIRECTLY: Carmen.bnq@verizon.net

"We are so glad that we agreed the contract with the BNQ. The whole process was smooth, professional, and transparent. Personally, I like things to be done in a well-organized and transparent way. Carmen was very knowledgeable about what he was doing and made reasonable plans before the job got started. On the arranged date, he and his assistant Ryan arrived on time and very patiently listened to our concerns and plan of changes. They transformed our old closet into a beautiful walking in shower with great functionality. The other project in the kitchen was a little tricky because the original vent opening in the wall. Carmen was very flexible about our design. He took care of the details and found a good solution for the challenging work. We appreciate his commitment to his professional work. Thanks to Carmen and Ryan, now we have a modern looking kitchen with a very efficient wall mounted hood. Moreover, the price is fair. I had a couple of quotes for our projects. BNQ price range is in the middle. However, the result is wonderful and it is totally worth the money. I would highly recommend BNQ to our friends and family!"

Nina D on August 2019

We are an interior remodeling company specializing in kitchens and bathrooms. We have many years of personal experience providing Pittsburgh residents with quality products and installation. We are a family based business, which means our employees are dedicated to doing quality work in a timely fashion at very competitive prices. We are licensed with the state as HRC #037880. Fully insured. PLEASE EMAIL ME DIRECTLY: Carmen.bnq@verizon.net

"We are so glad that we agreed the contract with the BNQ. The whole process was smooth, professional, and transparent. Personally, I like things to be done in a well-organized and transparent way. Carmen was very knowledgeable about what he was doing and made reasonable plans before the job got started. On the arranged date, he and his assistant Ryan arrived on time and very patiently listened to our concerns and plan of changes. They transformed our old closet into a beautiful walking in shower with great functionality. The other project in the kitchen was a little tricky because the original vent opening in the wall. Carmen was very flexible about our design. He took care of the details and found a good solution for the challenging work. We appreciate his commitment to his professional work. Thanks to Carmen and Ryan, now we have a modern looking kitchen with a very efficient wall mounted hood. Moreover, the price is fair. I had a couple of quotes for our projects. BNQ price range is in the middle. However, the result is wonderful and it is totally worth the money. I would highly recommend BNQ to our friends and family!"

Nina D on August 2019


Avatar for Wolfe's General Construction LLC

Wolfe's General Construction LLC

5.00(
3
)
Approved Pro

Wolfe's General Construction LLC

5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
11 local quotes requested

Our specialties are building decks, building additions on a house or business, remodeling a house, custom builds, maintenance, residential and commercial, electrical, plumbing, roofing, single room remodel, bathrooms, kitchens, window replacement, door replacement, light metal work( soffit and facia, trim around windows No job to small

"Yes they fixed my electric"

Nelson N on July 2024

Our specialties are building decks, building additions on a house or business, remodeling a house, custom builds, maintenance, residential and commercial, electrical, plumbing, roofing, single room remodel, bathrooms, kitchens, window replacement, door replacement, light metal work( soffit and facia, trim around windows No job to small

"Yes they fixed my electric"

Nelson N on July 2024


"Very professional. Once they got started they worked very hard until the job was complete. I would use them again"

Dennis T on June 2014

The Construction Company is dedicated to its customers by providing top notch customer satisfaction and unmatched expertise. This is one of the many things that set us apart from the competition. Please call today!

"Very professional. Once they got started they worked very hard until the job was complete. I would use them again"

Dennis T on June 2014


A & J Contracting Company, LLC

5.00(
21
)
Approved Pro

A & J Contracting Company, LLC

5.00(
21
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
31 years of experience

A & J Contracting Company, LLC is Pittsburgh's premier professional home improvement company operating as general and specialty contractors in the finish and rough carpentry industry. We are most famous for the beautiful custom kitchen and bathrooms we design and remodel for both our residential and commercial clients. You will find that we are a dedicated small business enterprise committed to providing quality construction services and on time service delivery within budget. Please call us today to schedule your appointment with Pittsburgh's true professionals. Your satisfaction is our guarantee.

"I donâ  t know where to begin to say how satisfied I am with A & J Contracting! I needed my basement renovated ASAP and Mr. Anthony met with me in a timely manner explaining in great detail the work he would perform and how pleased I would be! Let me tell you he did NOT disappoint because he and his partner Mark performed what I call a â  miracleâ  in renovating my basement and went above and beyond my expectations!!!! Iâ  ve shown many the before and after pictures of what I now can call my family room and the response each time was how â  beautifulâ  of a job Anthony did!! If you are in need a great contractor donâ  t look anywhere else but A & J Contractor and call Anthony NOW! My family still canâ  t believe what A & J Contractor did with that old and in bad shape basement!! Very professional and the many years of experience really was on display!! Thank you again Anthony and Mark for restoring our basement!! Iâ  ll definitely be utilizing them in the future and wonâ  t have to look elsewhere!!"

Steven K on May 2021

A & J Contracting Company, LLC is Pittsburgh's premier professional home improvement company operating as general and specialty contractors in the finish and rough carpentry industry. We are most famous for the beautiful custom kitchen and bathrooms we design and remodel for both our residential and commercial clients. You will find that we are a dedicated small business enterprise committed to providing quality construction services and on time service delivery within budget. Please call us today to schedule your appointment with Pittsburgh's true professionals. Your satisfaction is our guarantee.

"I donâ  t know where to begin to say how satisfied I am with A & J Contracting! I needed my basement renovated ASAP and Mr. Anthony met with me in a timely manner explaining in great detail the work he would perform and how pleased I would be! Let me tell you he did NOT disappoint because he and his partner Mark performed what I call a â  miracleâ  in renovating my basement and went above and beyond my expectations!!!! Iâ  ve shown many the before and after pictures of what I now can call my family room and the response each time was how â  beautifulâ  of a job Anthony did!! If you are in need a great contractor donâ  t look anywhere else but A & J Contractor and call Anthony NOW! My family still canâ  t believe what A & J Contractor did with that old and in bad shape basement!! Very professional and the many years of experience really was on display!! Thank you again Anthony and Mark for restoring our basement!! Iâ  ll definitely be utilizing them in the future and wonâ  t have to look elsewhere!!"

Steven K on May 2021


Avatar for Haven Home Builders LLC

Haven Home Builders LLC

5.00(
20
)
Approved Pro

Haven Home Builders LLC

5.00(
20
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

We are a full service, owner operated, remodeling company and builder. We do both interior and exterior work, from basement to attic, decks and additions or garages if you need more room. We will work with you to design kitchens, baths, basements, remove walls, add walls, windows, doors, living areas, and/or bedrooms. We do all our own floors, drywall, painting, electrical, plumbing, Hvac, and more.

"Excellent beyond all the expectation. They very professional and I will be using them again many more times."

Lisa B on September 2025

We are a full service, owner operated, remodeling company and builder. We do both interior and exterior work, from basement to attic, decks and additions or garages if you need more room. We will work with you to design kitchens, baths, basements, remove walls, add walls, windows, doors, living areas, and/or bedrooms. We do all our own floors, drywall, painting, electrical, plumbing, Hvac, and more.

"Excellent beyond all the expectation. They very professional and I will be using them again many more times."

Lisa B on September 2025


Avatar for JS Design, LLC

JS Design, LLC

5.00(
6
)
Approved Pro

JS Design, LLC

5.00(
6
)
Approved Pro
2 years of experience
Free onsite estimate

JS Design, LLC proudly serves our customers with pride, integrity, and attention to the details that matter most to you. This is one of the many things that set us apart from the rest. We are locally owned and operated.

"It was great working with Julian! Very timely and professional! Would recommend him in the future to my friends and family !"

Sue B on January 2026

JS Design, LLC proudly serves our customers with pride, integrity, and attention to the details that matter most to you. This is one of the many things that set us apart from the rest. We are locally owned and operated.

"It was great working with Julian! Very timely and professional! Would recommend him in the future to my friends and family !"

Sue B on January 2026

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FAQs for basement remodeling projects in West Mifflin, PA

Finishing a basement turns unused square footage into livable space and returns up to 70% of what you spend when you sell your home. Beyond that resale boost, you gain a playroom, home office, or guest suite you can start enjoying right away. That mix of daily comfort and solid return on investment (ROI) makes basement finishing one of the smartest upgrades you can tackle.

In some parts of the country—especially lots on swamps, high water tables, or other wetlands—local codes prohibit basements. Saturated soil puts constant pressure on foundation walls and lets water seep in faster than any sump pump can handle. 

If your property sits on waterlogged ground, building on a slab or crawl space is often safer, more affordable, and code-compliant.

Most basements wrap up in four to eight weeks. Framing takes three to five days, with electrical and plumbing rough-ins following over the next week. Add five days for drywall, two to three for flooring, and another week for paint, trim, and punch-list items. 

Delays can happen if materials run late or your contractor’s calendar is packed, so build in a little cushion when you plan.

Whether a finished basement counts toward your home’s official square footage depends on local rules. Many areas only include below-grade space if it has code-approved egress, fully finished walls, ceilings, and floors, plus consistent heating. 

Check with your local assessor or building department before you start; meeting those standards can affect taxes, appraisals, and resale value.

Building codes require a checklist: dedicated heat and electrical service, a code-approved stairway, and at least one egress window or exterior door. Walls, ceilings, and floors must be fully finished and meet insulation, ventilation, and fire-separation standards. If you add a bedroom, you’ll also need a closet, proper clearances, and safe exits. If you change the layout later, be ready to update the space so every new room still meets today’s code.

The West Mifflin, PA homeowners’ guide to basement remodelings

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