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TRUSTED BY SEVERN, MD HOMEOWNERS

  • Average homeowner rating star icon4.3
    Average homeowner rating
  • Verified reviews icon186
    Verified basement remodels reviews

Top-Rated Basement remodelers in Severn - Updated Nov 2026

Avatar for Quality 1st Basement Systems, Inc
Quality 1st Basement Systems, Inc
4.6(
230
)
Basement - Remodel

Serving Severn, MD and surrounding areas

Approved

In business since 1998

Free estimates

Emergency services offered

"We are currently happy with the basement waterproofing and remodeling that was completed! There were issues - most minor but we haven't anything to compare as this was the first-time having contractors complete basement work for us; and our home is almost 100 years old. They were flexible given unexpected issues that came about with the basement. The water proofing was done first and they did a great job. They were happy to review and resolve any remaining questions/concerns and/or issues. Jorge in the service dept. is professional, punctual and is a great representative and asset for this company."
Additional Photos
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+129

Response time10 hrs
Response rate100%
22 neighbors recently requested a quote
Avatar for Quality 1st Basement Systems, Inc.
Quality 1st Basement Systems, Inc.
4.7(
113
)
Basement - Remodel

Serving Severn, MD and surrounding areas

Approved

In business since 1999

Free estimates

Warranties offered

"Hired them for 3 projects I have installed this basement waterproofing solution in 2 homes. System speaks for itself. Nothing better on the market. Work was first rate. Expectations were presented prior to the project. Details on what would happen and how the project would go. Would not hesitate to use again ERV installed New basement egress. This project did not go as planned, but not at the fault of basement systems. Was originally supposed to get a BILCO door but due to unforseen issues, that was not able to happen. They ended up installing a new staircase from my basement to ground level. Work was first rate and ended up better than a bilco door. Company re landscaped and everything is as it was. All work performed was top notch and no issues on anything they have done"
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 Top Remodeling, LLC
Top Remodeling, LLC
5.0(
67
)
Basement - Remodel

Serving Severn, MD and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"Highly recommend Top Remodeling for their outstanding GENERAL CONTRACTING services. I completely trusted them with my Bathroom remodel, and the results exceeded expectations. We needed a Home addition, and their team executed it flawlessly. I requested a Kitchen remodel, and the attention to detail was impeccable. Wonderful experience from start to finish!"
New kitchen remodel
TOP REMODELING LLC
TOP REMODELING LLC
TOP REMODELING LLC
TOP REMODELING LLC

+40

Response time1 day
6 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for S & J Painting & Remodeling
S & J Painting & Remodeling
4.6(
832
)
Basement - Remodel

Serving Severn, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Warranties offered

"I am very pleased with the work S&J Painting & Remodeling did for me. They painted the ceilings, walls, and trim in my foyer, kitchen, eat-in kitchen area, and family room. The project began and concluded as scheduled. Their team was conscientious and professional while in my home, and diligently cleaned the area before leaving each afternoon. When I asked for a couple of very minor touch ups after the end of the project, they responded quickly. Overall, a great experience and I would happily engage their services again."
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel

+53

Response time1 day
23 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for AES Builder & Home Improvements
AES Builder & Home Improvements
4.4(
309
)
Basement - Remodel

Serving Severn, MD and surrounding areas

Approved

In business since 1989

Free estimates

Warranties offered

"AES Builder & Home Improvements Inc. was absolutely amazing to work with from start to finish! They remodeled our original kitchen, and the results are beyond beautiful. From our very first meeting to the day we spent picking out custom design materials, the entire process was organized, collaborative, and enjoyable. Their coordination and communication throughout the renovation were top-notch! Every contractor who came into our home was professional, respectful, and genuinely cared about their work. They answered all of our questions and kept us informed every step of the way, even when there were small delays. The quality of the craftsmanship truly shows, and our new custom kitchen makes me smile every single time I walk in to cook. We couldn?t be happier with how everything turned out. If you?re considering a remodel, I can?t recommend AES Builder & Home Improvements enough! Thank you to Stephen, Shawna and the entire AES team!"
Basement Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Kitchen Remodel

+57

39 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Dewar General Contracting
Dewar General Contracting
5.0(
20
)
Basement - Remodel

Serving Severn, MD and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"While we have not done the project the team was helpful with getting things sorted out until we are ready to pull the trigger. Mike Walsh was particularly helpful and responsive. When we do the basement we will reach out to Dewar again to actually perform the work."
131 E. North Ave - Mixed use building construction
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project

+158

Response time2 days
Response rate100%
Recommended by68%of homeowners
Avatar for Elohim Construction, LLC
Elohim Construction, LLC
4.6(
48
)
Basement - Remodel

Serving Severn, MD and surrounding areas

Approved

In business since 2008

Free estimates

Warranties offered

At Elohim Construction, LLC, one call does it all. We specialize in Complete Bathroom and Kitchen remodeling and more. No project is too large . We can help save time from the first phone call through project completion. We help by multi-tasking work which means we complete jobs faster and better than your typical handyman for hire. We are located in Pasadena and only serve in the state of Maryland.

Additional Photos
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Additional Photos
Additional Photos
Additional Photos

+26

Response time1 day
17 neighbors recently requested a quote
Recommended by86%of homeowners
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Basement Remodel FAQs, answered by experts

There are several small, inexpensive upgrades you can make to upgrade your basement. Although you still need to adhere to building codes and obtain permits when necessary, you can complete small but mighty tasks like painting the masonry walls and installing entertainment devices to make the space more usable. 

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.

Yes, barndominiums can have basements. Barndominiums are typically built over concrete slabs, so barndo basements are not very common. However, it is possible to include a basement in a barndominium blueprint as long as you’re building completely from scratch. Barndos can have the same types of basements as traditional homes, including full or walk-out basements.

Some older homes have toilets in the basement to combat sewage backups. This type of toilet, also known as a Pittsburgh potty, acted as a safety valve over the incoming sewer line. If a line backed up, it would back up into the toilet because it was the lowest fixture in the home, keeping it out of sight and away from the finished areas of the house.

Basement toilets were also used by workers with messy jobs, like those who worked in coal mines or steel mills. This way, they could clean up and avoid tracking dirt through their home.

Professional remodelers streamline the process, manage permits, and handle renovations efficiently—significantly mitigating risk while maintaining standards.

The Severn, MD homeowners’ guide to basement remodels

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