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Expert Basement Remodeling Services in Chantilly, VA

Chantilly homes deserve better than an unfinished basement. We've helped over 1,000 families unlock that space, usually in about 6-9 weeks.

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Chantilly Basement Renovation & Finishing Experts

Chantilly homeowners are making the most of their lower levels. From the 1970s splits in Chantilly Highlands to the spacious colonials in Poplar Tree Estates and Brookfield, we've helped families across the area create basement spaces they actually use. Whether you want a media room, home gym, or full entertainment space, our basement renovation portfolio shows what's possible.

With over 20 years of experience and more than 1,000 completed projects in Fairfax County, we know what works in Northern Virginia homes. Most projects wrap up in 6-9 weeks, and we handle everything from permits to final inspection.

We're proud to serve Chantilly and nearby communities like Centreville and Fairfax. Check out the Fairfax County permit requirements or browse our recent work below.

Why Should You Choose BasementRemodeling.com

  • 20 Years of basement remodeling expertise

  • 1000+ completed basements across the DMV

  • One Company handles everything, no coordinating multiple contractors

  • Dedicated Project Manager keeps you informed every step of the way

  • Proven Process for navigating Permits, Inspections, & Utilities
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    • Qualified Remodeler Top 500 Remodelers List
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    • EPA award
    • 40 under 40
    • Best picks 2022 reports award
    • BBB Accredited Business
    • Angies List 2011-2024 award
    • Houzz 2013-2025 award
    • EPA award

    Recognition


    Basement Transformations

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    Before image 1 After image 1

    Before the remodel, the basement was unfinished and mid-construction, with exposed framing, insulation, and rough mechanicals visible. Open wall cavities and the framed opening for the future fireplace show the space early in its transformation — defined in size, but lacking comfort, flow, and livability.

    After the transformation, the basement became a fully finished, sophisticated living space. Custom wall paneling, warm wood flooring, recessed lighting, and a coffered ceiling create a clean, modern atmosphere, while a sleek fireplace anchors the room as a welcoming place to relax or entertain.

    Before the remodel, this basement was already finished — but bland. Neutral finishes, basic lighting, and an open layout made the space usable, yet uninspiring. It lacked character, purpose, and any real reason to spend time there. 

    After the transformation, the basement became a custom wine cellar and home theater designed for entertaining. Stone accent walls, built-in wine storage, and layered lighting turned a generic space into a refined destination that feels intentional and elevated.

    Before the remodel, this basement was already finished — but bland. Neutral finishes, basic lighting, and an open layout made the space usable, yet uninspiring. It lacked character, purpose, and any real reason to spend time there. 

    After the transformation, the basement became a custom wine cellar and home theater designed for entertaining. Stone accent walls, built-in wine storage, and layered lighting turned a generic space into a refined destination that feels intentional and elevated.

    We love our clients and they love us!

    Want to know what our past clients have to say about their basement remodeling experiences with BasementRemodeling.com?

    MORE REVIEWS
    • Jason Slotkin's testimonial
      Jason Slotkin
      Stars: 5

      Willy , Shanae. and team were amazing! Great crew and extremely professional and thorough.Willy , Shanae. and team were amazing! Great crew and extremely professional and thorough.Willy , Shanae. and team were amazing! Great crew and extremely professiona

      04/23/2025 Washington, DC
    • Larry Murphy's testimonial
      Larry Murphy
      Stars: 5

      We have had many renovations done over the years in different houses as we move a lot and I can say that I had the best experience with this company..

      04/22/2025 Washington, DC
    • Pratha K's testimonial
      Pratha K
      Stars: 5

      I really enjoyed my experience with Basement Remodeling. I love my newly constructed basement apartment.

      02/27/2025 Washington DC
    • Sonya Subbayya Sutton's testimonial
      Sonya Subbayya Sutton
      Stars: 5

      From beginning to end, working with this company was a pleasure. The quality of the work is excellent, matched by their very thorough communications..

      04/22/2025 Washington, DC
    • Michael Towles's testimonial
      Michael Towles
      Stars: 5

      It was just a completely amazing experience when working with BasementRemodeling.com. When my husband and I visited the showroom we knew exactly which materials..

      04/22/2025 Washington, DC
    • Ravi Badh's testimonial
      Ravi Badh
      Stars: 5

      After getting quotes from multiple companies, we decided to go with BasementRemodeling.com — our neighbor had used them, couldn’t stop singing their praises,

      03/21/2025 Washington DC

    The overwhelmingly positive reception from our clients makes BasementRemodeling.com stand out from other basement remodeling companies in Maryland, Northern Virginia (NOVA) and DC. It definitely means something to us, and we think it should mean something to you, too!

    Get Zero Stress Renovations When You Hire an Experienced Basement Contractor

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    We get it - you've heard horror stories about contractors who disappear mid-project or "quick jobs" that turn into six-month nightmares. That's not us. You get a dedicated project manager who actually knows basements, answers your calls (even after hours) and sends real updates.

    While you're dealing with work, kids, and life, we handle everything else. No juggling five different contractors, no decision paralysis from endless choices, no coming home to surprises. Your project manager coordinates all the subs, deals with whatever's behind those walls, and keeps everything moving forward - that's what zero stress actually looks like.

    Basement Remodeling Inspiration

    We are compiling a growing collection of inventive basement ideas to inspire our clients for their next basement restoration.

    Nothing is off-limits when it comes to converting your basement into an at-home gym, a wet bar, a theatre, a family area, or even a gaming room.

    You don't have to know precisely what sort of basement redesign you want; we'll work with you to make sure your space is used and converted into something right for your family.
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      Basement Finishing and Remodeling, Vienna, VA

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      Perfect Basement Remodel for Entertaining your guests - Gaithersburg, MD ,

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    • Perfect Basement Remodel for Entertaining your guests - Gaithersburg, MD ,

      Perfect Basement Remodel for Entertaining your guests - Gaithersburg, MD ,

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      Basement Finishing / Remodeling, Potomac, MD

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    GO TO BASEMENT IDEAS

    Basement Finishing Cost in Chantilly, VA

    Before you get three wildly different quotes—one at $30 per square foot, another at $150—here's what basement finishing actually costs in Chantilly. We've completed hundreds of projects across Fairfax County, so these numbers come from real jobs, not estimates pulled from thin air.

    Finish LevelCost/Sq Ft1,000 Sq Ft TotalWhat You Get
    Essential$49-$55$55,000-$65,000*Quality construction, code-compliant, bathroom, dedicated PM
    Premium$85-$110$85,000-$110,000Essential + designer bathroom, wet bar, or home theater
    Luxury$150-$300+$150,000-$300,000+Signature spaces: wine cellar, wellness center, reference theater

    *Essential pricing includes bathroom addition. Core work without bathroom: $49,000-$55,000.

    Why Our Pricing Is Higher

    Those $30-$40/sq ft quotes? They usually leave out permits, project management, or proper finishing details. We include Fairfax County permits in every project—no surprise line items later. Your dedicated project manager coordinates everything from demo through final inspection. And we actually warranty the work.

    For a detailed breakdown of Fairfax County permit requirements, see our permit guide.

    Not sure where your project falls? Our basement cost calculator gives you a personalized estimate in about 60 seconds.

    What Chantilly Homeowners Are Building

    Here's what we see most often in Chantilly basements—projects matched to how families actually live in Brookfield, Franklin Farm, and South Riding.

    The Remote Work Setup $85,000-$95,000

    Chantilly has one of the highest work-from-home populations in the region. Roughly one in five residents telecommutes, and plenty of those people are done sharing the kitchen table with a laptop. This build includes a dedicated home office with soundproofing, a small conference area for video calls, a half bath, and a lounge space for breaks. Ethernet runs throughout. The colonials in Franklin Farm and Poplar Tree Estates have the square footage to make this work without sacrificing the rest of the basement.

    Growing Family Basement $55,000-$65,000

    The 1980s and '90s homes in Chantilly Highlands and Pleasant Valley were built with families in mind—but those basements were often left unfinished. This package converts that raw space into a functional family room with durable LVP flooring, a full bathroom, and dedicated storage. Kids get room to spread out, and the main level stays intact.

    Multi-Generational Suite $90,000-$120,000

    Chantilly's diverse community includes a lot of extended families under one roof. This layout creates a private living space with a bedroom, full bath, kitchenette, and separate living area. It works for aging parents who want independence but proximity, or for adult children saving for their own place. The walkout basements in Brookfield are particularly well-suited for this—separate entrance, natural light, full egress.

    The Fitness Enthusiast $70,000-$90,000

    Between the commute to Tysons and long hours in the Westfields office parks, a lot of Chantilly homeowners want a gym they can actually use. This build includes rubber flooring, reinforced ceiling mounts for suspension trainers, a mirrored wall, proper ventilation, and a half bath with shower. Some clients add a small recovery area with a sauna or massage space.

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    Basement Finishing FAQs for Chantilly Homeowners

    How much does basement finishing cost in Chantilly, VA?

    Most Chantilly basement projects fall between $55,000 and $120,000 depending on size and finish level. A basic 1,000 sq ft finish with a bathroom runs about $55,000-$65,000. Add a wet bar, upgraded bathroom, or home theater and you're looking at $85,000-$110,000. Luxury builds with wine cellars or wellness features start around $150,000.

    How long does basement remodeling take in Chantilly?

    Plan on 6-9 weeks from permit approval to final walkthrough. Fairfax County permit turnaround is usually 2-4 weeks depending on complexity. The 1980s colonials in Pleasant Valley and Franklin Farm are generally straightforward. Older split-levels in Chantilly Highlands sometimes take a bit longer if we're addressing structural quirks.

    Do I need a permit for basement finishing in Fairfax County?

    Yes. Any electrical, plumbing, or structural work requires a permit from Fairfax County. We handle the entire permit process—application, inspections, final sign-off. Skipping permits is a bad idea: it creates title issues when you sell and leaves you liable if something goes wrong.

    What's included in a basement finishing project?

    At minimum: framing, insulation, drywall, electrical, flooring, and lighting. Most Chantilly projects also include a bathroom (at least a half bath), HVAC extension, and egress compliance. We provide a detailed scope of work before signing anything, so there's no confusion about what you're getting.

    Why is your pricing higher than other contractors?

    Three main reasons. First, permits are included—not a surprise add-on. Second, you get a dedicated project manager, not a rotating cast of subcontractors you've never met. Third, we've been doing this for 20+ years with over 1,000 completed basements. That experience shows up in the finish quality and the absence of callbacks.

    Can you finish a basement with 7-foot ceilings?

    Yes, but it requires some creativity. We use recessed lighting, low-profile HVAC options, and strategic ceiling treatments to maximize headroom. Some of the older homes in Chantilly Highlands have tighter ceilings—we've finished plenty of them without making people feel cramped.

    What about Ryan Homes or K. Hovnanian basements in Chantilly?

    We finish these all the time. The Ryan Homes models from the early 2000s in areas like South Riding have predictable layouts—9-foot ceilings, standard mechanicals, and roughed-in plumbing that makes bathroom additions straightforward. K. Hovnanian builds vary more, but we know what to expect from both.

    How much does adding a basement bathroom cost?

    A half bath adds roughly $8,000-$12,000 to a project. A full bath with shower is more like $15,000-$25,000 depending on tile choices and fixtures. If your basement already has a rough-in (common in newer Chantilly construction), you'll save on the plumbing labor.

    Do you handle basements with moisture issues?

    We assess moisture as part of every consultation. Minor seepage can often be addressed with drainage improvements and proper sealing. Major waterproofing issues need to be resolved before finishing—we can coordinate with waterproofing specialists if needed. We won't finish over a wet basement.

    What's the ROI on basement finishing in Chantilly?

    Finished basements in Fairfax County typically return 70-75% of the investment at resale, according to industry data. But the real value is livability. In a market where median home prices top $700,000, adding 1,000+ square feet of functional space without moving is often the smarter play.

    Three Ways to Finish Your Chantilly Basement

    Our Essential level gives you everything you need for a clean, functional basement: framing, drywall, basic electrical, and flooring. It's a great fit for Chantilly homeowners in neighborhoods like Pleasant Valley or Franklin Farm who want usable space without the extras.

    Most Chantilly homeowners go with our Premium tier, which adds a full bathroom, wet bar or kitchenette, and upgraded finishes throughout. The spacious colonials in Chantilly Highlands and Brookfield are perfect candidates for this kind of upgrade.

    For the full Luxury experience, we bring in custom built-ins, home theater setups, premium flooring, and designer lighting. Ideal for Chantilly homeowners in Poplar Tree Estates who want their basement to feel like a true extension of their home.

    Not sure which level fits your project? Our basement cost calculator gives you a personalized estimate in about 60 seconds. Just plug in your basement size and the features you're thinking about.

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