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Find Basement remodelers in Frederick

Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.8(
322
)

Angi Approved

In business since 1990

Free estimates

Warranties offered

"We were very impressed by Lux Renovations from the very beginning. The design and quoting process for our basement gym project was well conducted and professional, easy to follow, and thorough. Unlike other contractors we had an estimate the project, a detailed drawing, selected all materials and colors, and had a detailed cost and timeline while the Lux representative was at our house. The Project Management and build team was excellent to work with. Their work was top notch, clean, and completed on time and budget. We couldn't be happier with our basement home gym."
91 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for JSH Remodeling, Inc.
JSH Remodeling, Inc.
5.0(
5
)

Angi Approved

In business since 1990

Free estimates

Emergency services offered

"Jeff and his crews delivered on time and on budget. I was advised each day of the activities that were going to take place the following day. All workers were pleasant and responsive to any needs. Each day prior to leaving the job site everything was cleaned up, equipment and materials stored neatly, and any trash removed. The quality and craftsmanship were excellent."
10 neighbors recently requested a quote
Recommended by100%of homeowners
TOP REMODELING LLC
New to Angi

Angi Approved

In business since 2018

Free estimates

Top Remodeling is a Rockville remodeling contractor providing residential homeowners with the highest quality remodeling services.\n\nWe provide professional remodeling services, including kitchen remodeling, bathroom remodeling, ADU construction, and more. In addition, we help you with design, planning, permit, and construction process. We take great pride in our top-notch remodeling services in Rockville and ensure that every project we do turns out perfectly.

1 neighbors recently requested a quote
SM Construction LLC
5.0(
16
)

Angi Approved

Super Service Award Winner

In business since 2007

Free estimates

Customers say: Quick response

"It went very smoothly and quickly. The price was lower than other contractors I talked to, and the outcome was very good. Everything was done quickly, neighbors didn't complain about noise or whatnot, the place was left clean, and nothing was damaged along the way, and the result is great. Communication was very easy and on the point. I am very pleased with SM Constructions and would gladly recommend them for any job."
4 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Arms Home Improvement
Arms Home Improvement
5.0(
43
)

Angi Approved

Super Service Award Winner

In business since 2013

Free estimates

Warranties offered

"Allen is an excellent carpenter; we had the banister & railing updated; along with the stair threads. We also had the risers reinforced. Hands down, very happy with Allen & his services. My neighbors were so impressed; they also hired him."
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Absolute Building and Construction
Absolute Building and Construction
4.9(
8
)

Angi Approved

In business since 2008

Free estimates

Warranties offered

"Excellent. The workmanship was superior, and the time it took to finish all renovations was minimal. A, B, & C should be at the top of everyone's list for overall home remodeling."
5 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Omar's General Contracting
Omar's General Contracting
4.9(
137
)

Angi Approved

Super Service Award Winner

In business since 1988

Free estimates

Warranties offered

"Omar and his team did an outstanding job painting my home. They were consistently professional and courteous, always arriving on time and communicating clearly throughout the project. The work was completed efficiently and with great attention to detail, leaving everything clean and beautifully finished. On top of that, their pricing was fair and transparent. I highly recomment Omar General Contracting for anyone looking for quality painting services. "
6 neighbors recently requested a quote
Recommended by96%of homeowners
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FAQs for basement remodeling projects in Frederick, MD

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 Frederick, MD homeowners’ guide to basement remodelings

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