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Find Basement remodelers in Washington DC

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
Avatar for Capitol Hill Masonry
Capitol Hill Masonry
5.00(
13
)

Angi Approved

In business since 2020

Free estimates

Customers say: Quick response

"Last week I Hired Mike from Capitol Hill Masonry to redo my concrete walkway and was extremely satisfied with the outcome. Mike was able to complete the job in a very clean and timely manner. I am very happy with the job and will definitely refer him to family and friends."
1 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Kozan Construction, LLC
Kozan Construction, LLC
4.75(
28
)

Angi Approved

In business since 1985

Free estimates

Emergency services offered

"OK, so Mr. Frank was very professional. All his team was very professional, very polite. They were on time and they went far and beyond of what they were supposed to do and did not charge me more than what they said, so I am very very very satisfied with the work that Frank did, and I wanted to thank him team for being so wonderful and such a great People, we don’t get that anymore in America, but he definitely gave me that. And I’m so happy that I hired him. I had five different people that I got proposals from, and I called all of them multiple times to check on things. And definitely Frank. He definitely made this right. So if anybody needs a Plumber, that’s the guy needs to be hired once again. Thank you very much for all your services. And I recommend Frank to anyone that needs plumbing work done Thank You,"
7 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for City Renovations & Remodeling LLC
City Renovations & Remodeling LLC
4.61(
212
)

Angi Approved

In business since 1987

Customers say: True professional

"I highly recommend City Renovations and Remodeling to new and experienced homeowners and investors. In fact, Mike Wiggs, owner of the company, was highly recommended to me from a trusted source. Mike has been my designer, general contractor and project manager for over three years. He and his team of subcontractors for all the trades and handymen have successfully completed numerous projects for me. The internal big jobs included Mike and his team remodeling my basement into a permitted apartment with an egress window, injection well system, and recessed lighting; remodeling my kitchen into a larger space, better layout and upgraded appliances, cabinets, backsplashes (e.g., switching from an electric cooktop island to a slide-in gas range and installing a peninsula); changing the location of the sliding door and a set of windows in my sunroom for better flow and sightline from the front door entry to the patio door leading to my wooded backyard; replacing the damaged one of the two HVAC systems (i.e., one for the first floor and basement and the other for the second floor); and whole house interior painting and decorative touches (accent walls, trim, etc.) The external big jobs included Mike and his team resolving the sources of severe water damage to my two-story front door entry area and installing a new door, side lites and stoop. He resolved other water problems at my house by installing upgraded, larger gutters connecting to a new underground drainage system, and re-grading a section of the backyard next to my house in order to better collect water coming onto the house and move it away from the house. The other jobs Mike and his team completed include installing decorative lighting in the front of my house and security lighting at the sides and back; installing and repairing wooden privacy fencing in my backyard; washing away years of mold, mildew and stains from the siding of my house; and installing shelving for two closets and the laundry room to increase my storage space. After years of City Renovations and Remodeling successfully improving or repairing my home, I hired the company to help me with an investment rental property. Mike completed a walk-thru assessment and report to supplement the information from the home inspector and appraiser. Through my pre-purchase consultation with Mike, I got a good idea of what it would take improve the property given my goals and budget. I look forward to working with Mike and his team to renovate the property."
5 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for Living Color Painting & Restoration
Living Color Painting & Restoration
5.00(
50
)

Angi Approved

In business since 1993

Free estimates

Warranties offered

"I recently had an outstanding experience with Living Color for some work at my home. Matt is incredibly professional, and immediately made me feel at ease with his knowledge and approachability. What really set him apart is honesty. He explained everything clearly, ensuring I understood what needed to be done without pushing unnecessary services. The work was completed efficiently, with exceptional attention to detail, and at a very fair price. It's refreshing to find someone so reliable and trustworthy in this field. Matt's friendly and professional demeanor, combined with his evident skill and honesty, has made me a loyal customer. I will definitely be calling him again for any future needs. Highly recommend if you're looking for quality service you can trust."
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Manex Remodeling
Manex Remodeling
5.00(
10
)

Angi Approved

In business since 1990

Free estimates

Warranties offered

"I am thrilled with the complete master bath remodel and kitchen that Tony & his incredible crew from Manex recently completed in my home. It was a great experience from start to finish. This company truly works as a team, communication channels are all open. Even when a hiccup occurred…they addressed it immediately & moved forward. The crew was professional & positive…really a pleasure to have them in my home. Tony went above & beyond in every aspect including making sure I was not simply satisfied with the work but truly happy. I also want to thank his crew member Jimmy . He did an exceptional job & really kept the work site clean every day. I will absolutely use Manex remodeling again for future projects."
9 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for BST Design & Build
BST Design & Build
4.84(
19
)

Angi Approved

In business since 2017

Free estimates

Warranties offered

"We had a great experience with BST Design & Build. The project was scoped out, started on time and took about 5 weeks which was in the estimated 4-6 week schedule. During the project, questions were answered and the onsite team was very responsive to our wishes, even being creative to ensure our needs were addressed. We couldn’t have been happier with the onsite project lead, Abi. The site was keep clean each day and the end result looks great!"
3 neighbors recently requested a quote
Recommended by94%of homeowners
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FAQs for basement remodeling projects in Washington DC, DC

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 Washington DC, DC homeowners’ guide to basement remodelings

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