Basement Finishing in McLean, VA

Basement finishing in McLean, VA splits by ZIP. ZIP 22101 is the estate streets along Georgetown Pike, Old Dominion Drive, and Chain Bridge Road: large lots and one-off houses, often with a full-height walkout. ZIP 22102 sits closer to Tysons and Route 123, with more attached housing around the commercial core and a different lower-level footprint. We price the house, not a McLean average.

McLean is unincorporated Fairfax County. Building permits go through Land Development Services. There is no town office in front of the county. Some neighborhoods require association review, and many estate streets do not. A county permit is not HOA approval.

Typical scope runs $90,000–$250,000+, and a finished entertainment level with a media room, wet bar, full bath, guest suite, and gym usually lands at $150,000–$220,000. Slab moisture is checked before finishes are ordered. A bedroom needs a code egress opening, drawn on the plans. The estimate breaks out framing, electrical, plumbing, HVAC, insulation, drywall, flooring, millwork, stone, and finishes.

Fairfax County inspections cover framing, electrical, plumbing, mechanical, and final when those systems are in the job. The schedule depends on scope, approvals, selections, and availability. Review the proposed scope and warranty terms before signing.