Basement remodel costs depend on your project and location. Check with a local pro for your specific job.
A 1,000-square-foot basement finishing project costs $7,000 to $23,000, but a larger basement costs upward of $81,675.
Added features, such as a wet bar, bathroom, or laundry area, drive up the project cost.
Labor makes up 50% to 70% of your cost, and a general contractor is the most common professional.
Hiring a Washington, DC, general contractor to finish your basement provides professional results and keeps your home up to code.
Washington, DC, homeowners looking to finish a basement can expect costs that exceed the national average, with local factors such as labor rates, complex permitting requirements, and material availability and costs influencing the final price. The cost to finish a basement in Washington, DC, ranges from $16,335 to $81,675, with an average project cost of $34,848.
Many factors influence the project cost, including the size of the basement, the level of finish you’re hoping for, and any structural issues that need to be fixed. Labor rates in Washington, DC, are much higher than average, and complex permitting requirements drive up the cost. Homeowners may also need to budget for additional features, such as a laundry area or built-in storage, to achieve the desired functionality of their newly finished space.
The total price for finishing your basement in Washington, DC, depends on key factors, such as the square footage, materials, and egress requirements. Here’s a closer look at how these factors determine the cost.
Your final basement finishing cost relies on your starting point. In some cases, you might not even have an unfinished basement to work with, so you’ll have to factor in the cost to build one. On the other hand, you might already have a built or semi-built space that just needs remodeling to turn it from an unfinished to a finished basement.
| Project Type | Average Cost | Cost per Sq. Ft. | Description |
|---|---|---|---|
| Finishing an unfinished basement | $20,000–$68,000 | $35–$105 | Includes a new foundation |
| Finishing a half-finished basement | $11,000–$42,000 | $25–$85 | Smaller scope (e.g., movie room or laundry area) |
| Remodeling a finished basement | $22,000–$72,000 | $40–$100 | Cost depends on rooms and additions like kitchenette or laundry room |
Basement finishing costs vary by size, with larger spaces increasing total project costs.
| Basement Size (Sq. Ft.) | Average Cost |
|---|---|
| 500 | $3,500–$11,500 |
| 750 | $5,250–$17,250 |
| 1,000 | $7,000–$23,000 |
| 1,500 | $10,500–$34,500 |
| 2,000 | $14,000–$46,000 |
Basement finishing costs about $35 to $105 per square foot in Washington, DC, so the larger the space, the more you’ll spend to turn it into a cozy den or welcoming guest suite. A smaller, 500-square-foot basement will cost about $3,500 to $11,500, while a larger, 1,500-square-foot basement will cost significantly more.
The materials you choose will play a major role in your overall basement finishing cost, with prices varying based on quality, durability, and design preferences.
| Material | Average Cost |
|---|---|
| Flooring | $2,000–$6,500 |
| Paint | $2,200–$3,800 |
| Egress windows | $1,500–$4,500 each |
| Doors | $600–$12,000 |
Higher-end materials and finishes will raise your total cost, while standard options help keep the project within budget, so it’s important to balance where to spend and save.
A sump pump will cost around $750 to $1,300 to install. This system is crucial for, you guessed it, pumping out large volumes of water that might accumulate from rain, a bad plumbing day, or any other event that could lead to flooding.
To avoid soggy stuffed animals and wet carpet, waterproofing your basement will cost an additional $5,500 on average, or $6 to $12 per square foot. Your final basement waterproofing cost depends on the method you use and the extent of work required. Depending on your local climate, there may be a best time of year to finish your basement, since waterproofing can’t always be done in all temperatures. For the best results, find a basement waterproofing contractor near you.
Washington, DC, homeowners should also factor local labor, permits, insurance, and other location-specific costs into their project total. Below is a breakdown of common expenses for Washington, DC, basement finishing pros to budget for.
When finishing a basement in Washington, DC, labor accounts for a substantial portion of the project budget, often 50% to 70%. General contractors in the area charge between $90 and $180 per hour, or $2,500 to $13,000 or more per project, depending on basement size, material used, and features added, such as wet bars, bathrooms, or laundry hookups.
In Washington, DC, general contractors are the primary pros that oversee basement finishing projects. They coordinate all aspects of a complex remodel, including the framing, plumbing, electrical, and finishing touches. These experts are familiar with the complexity of local permitting regulations and inspections, and can guide you through design choices, material selection, and scheduling.
You may need to hire additional basement finishing pros, depending on the scope of your project. Here are some specialists to consider based on your home’s specific needs:
Electricians handle wiring, lighting, outlets, and panel upgrades you may need to bring your basement up to code. In Washington, DC, electricians charge between $45 and $90 per hour.
If your basement includes a bathroom, wet bar, or laundry area, a plumber is essential for drain lines, water supply, and fixture installation. They charge between $45 and $200 per hour, depending on the complexity of the work.
HVAC pros handle heating and cooling extensions, ductwork additions, returns, and proper airflow balance, all of which are important to remaining code-compliant in Washington, DC. They charge an average of $90 to $160 per hour.
Acquiring the necessary building permits to remain code-compliant will add $1,500 to $3,500 to your total cost to finish a basement. Some municipalities will charge permit fees of 1.5% to 3% of your basement remodel project. A general contractor will usually include this in your service package, but if you’re handling the building yourself, be sure to factor it into your budget.
In the Washington, DC, market, homeowners see an average return on investment (ROI) of 50% to 70% on a basement finishing project, depending on the quality of the finishes, additional features, such as bathrooms or egress windows, and market conditions. If you invest in a well-executed basement remodel, a significant portion of the cost is reflected in your resale value.
A finished basement adds functional living space, such as an entertainment area or guest suite, appealing to buyers looking for versatility and extra square footage. In a highly competitive real estate market, especially in areas like Georgetown and Bethesda, finishing your basement is an attractive addition for potential buyers, likely speeding up a sale and increasing your home's value.
To help homeowners plan their next project, Angi provides readers with carefully researched cost data and upholds strict editorial standards. We start with national average project costs, which we collect by analyzing competitor information, retailer material costs, and input from professional contractors. We then apply local price index data to calculate location-specific estimates that reflect what homeowners typically pay in their local area. To do that, we use data from the U.S. Bureau of Economic Analysis (BEA), including its Regional Price Parities (RPPs), which measure price differences across cities. This helps us account for differences in labor, materials, and overall cost of living, so estimates in higher- or lower-cost areas better reflect real-world local pricing.
Every estimate undergoes a thorough editorial review to verify accuracy, consistency, and alignment with observed market conditions.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
First project—front entrance, concrete steps and border. Project went so well we hired them for kitchen remodel. Received great guidance in what would make kitchen look good and maximize our budget. Highly recommend this company for your home improvement needs.
Riveras Construction LLCWe had a significant mold issue and water damage. Our entire basement had to be redone. My experience with Masterworks and its owner Mike, was outstanding! Mike and his crew communicated with me throughout and explained the tradecraft so that I understood each part of the remodel. I made all...
MASTERWORKS PAINTING AND REMODELINGI recently worked with Next Level Remodeling on a kitchen renovation, and I couldn?t be happier with the results! From the start, their team was professional, attentive, and truly understood my vision. The design process was smooth, with helpful suggestions that improved both functionality...
Next Level Remodeling, LLCFelix and and his crew are well versed in all aspects of remodeling. Felix renovated a 4 story house for us
I really enjoyed my experience with Basement Remodeling. I love my newly constructed basement apartment. They are very organized, deliver quality work and can quickly respond to and remedy any issues that may occur. Eric, Gheorghe and Shanae were a pleasure to work with. I highly recommend...
BasementRemodeling.comOur Basement Project was done in a very Professional and Timely manner.. * The Contractor (JORGE) and all of his helpers were Excellent and very Helpful..*They did a fantastic Job.. I highly recommend "Builders XLT".. (Thankyou)
Builders XLTMy experience with Remodel Washington DC was wonderful! Alex, Svetlana, and their project teams were flexible and accommodating to my changes and schedule. They remodeled my downstairs including installing maple hardwood floors, a powder bathroom, and a kitchen with maple cabinets/appliances,...
Remodel Washington DCGreat service highly recommended . Would definitely use again thank you so much for repairing my basement
A1 Masonry ContractorsFully remodeled 3bed 1 bath home into 3bed 1 and 1/2 bath. New roof, new HVAC unit. New kitchen and added a half bathroom to the main level. Also converted the basement into a 1bed, 1bath, full size w/d, kitchen etc. The remodel was a success. I am pleased with the outcome. Elite home is...
Elite Home Remodeling GroupI bought a fixer upper and thanks to this team, we were able to remodel the entire house, add an addition to the living space and completely change the feel of the home. Working with Scott & his team changed the way I look at remodeling a home because they made the process so smooth and...
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