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  • Verified reviews icon218
    Verified basement remodels reviews

Find Basement remodelers in Lansdowne

Avatar for PVI Group, LLC

PVI Group, LLC

4.92(
122
)
Approved Pro

PVI Group, LLC

4.92(
122
)
Approved Pro
Customers say: True professional
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
4 years of experience

PVI Group is your one-call solution for a wide range of home improvement, maintenance and repair and lawn care needs. Our licensed professionals are known for the quality of our workmanship and professional reliability so you know the job will be done correctly and efficiently.

"Cory @ PVI was very professional, and responsive to job needs. Assisted with permitting which was a time saver. His team really did a top notch job, and gave me a very reasonable pricing, I'll be using PVI group again, for other home projects . "

Jon M on January 2026

PVI Group is your one-call solution for a wide range of home improvement, maintenance and repair and lawn care needs. Our licensed professionals are known for the quality of our workmanship and professional reliability so you know the job will be done correctly and efficiently.

"Cory @ PVI was very professional, and responsive to job needs. Assisted with permitting which was a time saver. His team really did a top notch job, and gave me a very reasonable pricing, I'll be using PVI group again, for other home projects . "

Jon M on January 2026


Avatar for Quality 1st Basement Systems, Inc.

Quality 1st Basement Systems, Inc.

4.87(
90
)
Approved Pro

Quality 1st Basement Systems, Inc.

4.87(
90
)
Approved Pro
Customers say: Quick response
27 years of experience
Free onsite estimate

Quality 1st Basement Systems is your local, family owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Mold Remediation, Crack Repair, Radon Testing and Radon Mitigation, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT [email protected]

"Installed radon filter without any issues or hassle."

Jonathan M on May 2023

Quality 1st Basement Systems is your local, family owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Mold Remediation, Crack Repair, Radon Testing and Radon Mitigation, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT [email protected]

"Installed radon filter without any issues or hassle."

Jonathan M on May 2023


Avatar for A -1 Renovations, LLC

A -1 Renovations, LLC

4.82(
34
)
Approved Pro

A -1 Renovations, LLC

4.82(
34
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
19 years of experience

A -1 Renovations, LLC - We are your premier residential contracting company, providing verity of services to improve your home. We deliver quality and craftsmanship on every project. Thanks for stopping by our listing! Our workmanship is superior and our customer service is top notch! Call today for a fast free friendly estimate. Let us serve you today!

"We paid $32,000 to have the flooring redone, but the workmanship is poor and unacceptable. They also damaged my dish washer. The contractor has stopped responding to our emails and calls and has made it clear they are not willing to correct the defects. If this matter is not resolved promptly, I intend to pursue legal action to recover my damages. In addition, I will file a formal complaint with the Maryland Home Improvement Commission (MHIC)."

Syed H on January 2026

A -1 Renovations, LLC - We are your premier residential contracting company, providing verity of services to improve your home. We deliver quality and craftsmanship on every project. Thanks for stopping by our listing! Our workmanship is superior and our customer service is top notch! Call today for a fast free friendly estimate. Let us serve you today!

"We paid $32,000 to have the flooring redone, but the workmanship is poor and unacceptable. They also damaged my dish washer. The contractor has stopped responding to our emails and calls and has made it clear they are not willing to correct the defects. If this matter is not resolved promptly, I intend to pursue legal action to recover my damages. In addition, I will file a formal complaint with the Maryland Home Improvement Commission (MHIC)."

Syed H on January 2026


Avatar for GloRem, LLC

GloRem, LLC

4.97(
20
)
Approved Pro

GloRem, LLC

4.97(
20
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
16 years of experience

Visit our website to schedule an estimate. With many years of experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"I have been a real estate professional in Howard County for over 40 years, first as a realtor and then as an appraiser. In my career I must have seen conservatively over 4,000 houses. I have seen all kinds of renovations and updates to existing properties. I have seen workmanship at all levels, from DIY disasters to premier craftsmanship. I want to share with you an experience I have had with a basement renovation company called GloRem LLC (gloremllc.com). I was first involved with this company 10 years ago when the company was a new venture for the owner, Evgeny Chernousov (â Eugeneâ ). At that time, I found the company through Angieâ s List and took a chance on a young and eager contractor whose bid to remodel 3 bathrooms was competitive in the market. What a serendipitous decision that became. Eugene and his workmen, from tile experts to framers to electricians to plumbers to painters were true artisans, and Eugene was involved every step of the way. He made sure there was a minimum of construction dust and unnecessary clutter. His insistence on expert execution of every task was consistent with what I discovered to be his perfectionist personality trait. After enjoying his exceptional work on my bathrooms for a decade, it became time to both renovate my basement and add a bath. I was delighted to discover that Eugene and his company, GloRem LLC, had become a premier basement remodeling company. After asking him to see my basement and give me a bid, his pricing was still, despite his considerable success, competitive. I was delighted to discover that, a decade later, not only was his work ethic unchanged, but, in addition, Eugene has become a sophisticated version of his enthusiastic and talented younger self. His bid was detailed and easily understood with each expense described. His work, on my second encounter with him, was just as enjoyable as my firstâ ¦all work was completed ahead of schedule in impeccable fashion. I write all of this just to give any of you who are considering home renovations a heads up from a real estate professional who, in 40+ years, has truly â seen it allâ and is delighted that true quality and pride of workmanship still exists."

Pamela P on September 2023

Visit our website to schedule an estimate. With many years of experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions and thank you for your interest.

"I have been a real estate professional in Howard County for over 40 years, first as a realtor and then as an appraiser. In my career I must have seen conservatively over 4,000 houses. I have seen all kinds of renovations and updates to existing properties. I have seen workmanship at all levels, from DIY disasters to premier craftsmanship. I want to share with you an experience I have had with a basement renovation company called GloRem LLC (gloremllc.com). I was first involved with this company 10 years ago when the company was a new venture for the owner, Evgeny Chernousov (â Eugeneâ ). At that time, I found the company through Angieâ s List and took a chance on a young and eager contractor whose bid to remodel 3 bathrooms was competitive in the market. What a serendipitous decision that became. Eugene and his workmen, from tile experts to framers to electricians to plumbers to painters were true artisans, and Eugene was involved every step of the way. He made sure there was a minimum of construction dust and unnecessary clutter. His insistence on expert execution of every task was consistent with what I discovered to be his perfectionist personality trait. After enjoying his exceptional work on my bathrooms for a decade, it became time to both renovate my basement and add a bath. I was delighted to discover that Eugene and his company, GloRem LLC, had become a premier basement remodeling company. After asking him to see my basement and give me a bid, his pricing was still, despite his considerable success, competitive. I was delighted to discover that, a decade later, not only was his work ethic unchanged, but, in addition, Eugene has become a sophisticated version of his enthusiastic and talented younger self. His bid was detailed and easily understood with each expense described. His work, on my second encounter with him, was just as enjoyable as my firstâ ¦all work was completed ahead of schedule in impeccable fashion. I write all of this just to give any of you who are considering home renovations a heads up from a real estate professional who, in 40+ years, has truly â seen it allâ and is delighted that true quality and pride of workmanship still exists."

Pamela P on September 2023


Avatar for Quality 1st Basement Systems, Inc

Quality 1st Basement Systems, Inc

4.70(
176
)
Approved Pro

Quality 1st Basement Systems, Inc

4.70(
176
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
28 years of experience

Quality 1st Basement Systems is your local, family-owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Crack Repair, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT [email protected]

"Service was great from sales, to installation, to post installation support. Very responsive, very professional. It's hard to find in this 'space'--there are a lot of shady people in basement water damage/repair, and this place exceeded expectations. We've had our repair in place for 4+ years, with only 1 small issue on a wall seam crack, and that was fixed within 24 hours of reporting the issue. Stand up place! Thank you for such great service and support."

john m on January 2024

Quality 1st Basement Systems is your local, family-owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Crack Repair, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT [email protected]

"Service was great from sales, to installation, to post installation support. Very responsive, very professional. It's hard to find in this 'space'--there are a lot of shady people in basement water damage/repair, and this place exceeded expectations. We've had our repair in place for 4+ years, with only 1 small issue on a wall seam crack, and that was fixed within 24 hours of reporting the issue. Stand up place! Thank you for such great service and support."

john m on January 2024


Avatar for Dewar General Contracting

Dewar General Contracting

4.94(
16
)
Approved Pro

Dewar General Contracting

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

Dewar General Contracting is a veteran owned contracting firm based in Baltimore. Our people make our company great and we all look forward to working with you! Reviews Dewar General Contracting Fast Facts 1. In business since 2009. 2. Veteran-owned and registered business. 3. We are licensed in Maryland, Pennsylvania, and Delaware. 4. Baltimore City Chamber of Commerce Member 5. Over 50 FIVE-star reviews on Angi, Yelp, and Facebook in the last year. 6. 1 million square feet of work completed in 2021. 7. 2022 and 2023 Angi's Service Award recipient. 8. Each Installer is trained inhouse. 9. All installers have been with the company for over 2 years 10. All Installers receive a background check. 11. We donate 100% of merchandise sales to a pet adoption agency.

"All you could ask for from a great company"

Dorothea S on April 2024

Dewar General Contracting is a veteran owned contracting firm based in Baltimore. Our people make our company great and we all look forward to working with you! Reviews Dewar General Contracting Fast Facts 1. In business since 2009. 2. Veteran-owned and registered business. 3. We are licensed in Maryland, Pennsylvania, and Delaware. 4. Baltimore City Chamber of Commerce Member 5. Over 50 FIVE-star reviews on Angi, Yelp, and Facebook in the last year. 6. 1 million square feet of work completed in 2021. 7. 2022 and 2023 Angi's Service Award recipient. 8. Each Installer is trained inhouse. 9. All installers have been with the company for over 2 years 10. All Installers receive a background check. 11. We donate 100% of merchandise sales to a pet adoption agency.

"All you could ask for from a great company"

Dorothea S on April 2024


"Carlos and his crew do great work. They are clean and efficient. I have used them a few times and would use them again."

Vikki D on July 2023

We are not just a remodeling or Home Improvement company. We focus on keeping our clients satisfied and happy. quality is our priority.

"Carlos and his crew do great work. They are clean and efficient. I have used them a few times and would use them again."

Vikki D on July 2023


Avatar for D & H Demolition, LLC

D & H Demolition, LLC

5.00(
11
)
Approved Pro

D & H Demolition, LLC

5.00(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 years of experience

Leading the industry by providing a comprehensive service to residential & commercial clients in need of selective & structural demolition , hazardous material abatement and disposal , as well as mold remediation services. Call or click for your FREE estimate today!

"Excellent job excellent people"

Denise W on June 2025

Leading the industry by providing a comprehensive service to residential & commercial clients in need of selective & structural demolition , hazardous material abatement and disposal , as well as mold remediation services. Call or click for your FREE estimate today!

"Excellent job excellent people"

Denise W on June 2025


Avatar for Country Wide Builders, Inc.

Country Wide Builders, Inc.

4.77(
11
)
Approved Pro

Country Wide Builders, Inc.

4.77(
11
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
32 years of experience

With over 25 years of experience, Country Wide Builders, Inc. has provided people throughout Anne Arundel County with both high-quality renovation and beautiful custom homebuilding services. We believe that the client's needs must always come first, and this attitude towards building has been our driving force for years. With decades of actual work experience in all facets of the construction industry, we build and repair homes effectively answering and creatively solving many crucial aspects of home construction. As designers, remodelers and builders, we've planned and executed almost every type of remodeling and renovation project. We continue studying the latest products and innovative techniques while preserving the value of the homes we renovate and repair. We never compromise on quality. We are a family owned and operated company and keep customer service and quality craftsmanship as our top priority. Call today for your free estimate!

"They came out the same day. Prompt professional service at a great price."

Diane P on October 2018

With over 25 years of experience, Country Wide Builders, Inc. has provided people throughout Anne Arundel County with both high-quality renovation and beautiful custom homebuilding services. We believe that the client's needs must always come first, and this attitude towards building has been our driving force for years. With decades of actual work experience in all facets of the construction industry, we build and repair homes effectively answering and creatively solving many crucial aspects of home construction. As designers, remodelers and builders, we've planned and executed almost every type of remodeling and renovation project. We continue studying the latest products and innovative techniques while preserving the value of the homes we renovate and repair. We never compromise on quality. We are a family owned and operated company and keep customer service and quality craftsmanship as our top priority. Call today for your free estimate!

"They came out the same day. Prompt professional service at a great price."

Diane P on October 2018


"Good service "

Robert N on September 2025

Gomez contractor LLC specializes in home remodeling kitchen bathrooms etc. guaranteed jobs & keep our customers satisfied

"Good service "

Robert N on September 2025

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Basement Remodel questions, 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.

Physically, the most challenging part of finishing a basement is installing egress windows or doors when the space is below ground level. Mentally, the hardest part may be envisioning the project and planning around load-bearing and mechanical obstacles.

Walkout basements are not generally included in a home’s square footage, although they may be if they meet certain conditions that depend on local regulations. A finished walkout basement used as a living space may be counted toward square footage in some locations as long as all codes for livable space are met.

Roughing in and connecting utilities are the hardest parts of finishing a basement, and they’re the parts we typically don’t recommend doing as a DIY project. Unfortunately, your finishing timeline can be extended by weeks while you wait for contractors and inspectors to install electrical wiring, plumbing lines, and heating/cooling equipment and carry out inspections.

Yes, adding a walkout basement will usually bump up your property value. Most homeowners prefer walk out basements because the exposed wall that’s level with the ground provides more utility via a ground-level exterior entrance, and they can fit full windows, which adds natural light and ventilation to the basement area. The only exception might be in areas prone to tornadoes, as walkout basements aren’t as safe as regular basements during a tornado, particularly if they include large windows or glass sliding doors.

The Lansdowne, MD homeowners’ guide to basement remodels

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

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