This is the cheapest square footage you can add — if it is finished legally. We are a licensed contractor in Virginia (Class A #2705183185) — we pull the permits through Fairfax County Land Development Services, coordinate the licensed trades, and hand you a written line-item scope before demolition starts.
A finished basement needs a building permit and, in almost every case, electrical, plumbing and mechanical permits alongside it. Two code requirements decide whether the space is legal: any room used for sleeping needs proper emergency egress, and habitable space needs a minimum finished ceiling height. The framing and rough-in inspection has to pass before insulation and drywall — get that wrong and the drywall comes back off.
Your Falls Church permit goes through Fairfax County Land Development Services. We pull it under our license and we hold the inspection schedule — you do not chase inspectors and you do not sign the application.
This is the one worth getting right: the City of Falls Church is an independent city with its own permit office, but a large number of “Falls Church” mailing addresses are actually in Fairfax County. Which side of that line you are on decides where your permit goes and who inspects the work. We confirm it before anything is filed.
The area is largely 1940s–1960s capes, ramblers and colonials with newer infill throughout. On the original houses, expect the electrical service and plumbing to need attention as part of any kitchen or bath scope.
What's includedA planning range, not a quote. Your written line-item price comes after a free on-site walkthrough. HVAC, electrical and plumbing are performed by licensed trade partners.
A written, line-item scope for your basement finishing project. No design fee, no obligation.
By submitting you agree United Developers may call or text you about your request, including by autodialed/automated means and AI voice, at the number provided. Consent is not a condition of purchase. Msg/data rates may apply. Reply STOP to opt out.
Our Falls Church crews cover Arlington, Annandale, McLean, Vienna and every ZIP in the area — 22041, 22042, 22043, 22046.
Yes. United Developers is a licensed contractor in Virginia (Class A #2705183185) and works throughout Falls Church and Fairfax County, including 22041, 22042, 22043, 22046 and nearby Arlington, Annandale, McLean.
We do, under our license, through Fairfax County Land Development Services. A finished basement needs a building permit and, in almost every case, electrical, plumbing and mechanical permits alongside it. Two code requirements decide whether the space is legal: any room used for sleeping needs proper emergency egress, and habitable space needs a minimum finished ceiling height. The framing and rough-in inspection has to pass before insulation and drywall — get that wrong and the drywall comes back off.
This is the one worth getting right: the City of Falls Church is an independent city with its own permit office, but a large number of “Falls Church” mailing addresses are actually in Fairfax County. Which side of that line you are on decides where your permit goes and who inspects the work. We confirm it before anything is filed.
Most Falls Church projects land in the $32k – $100k range. That is a planning range for Fairfax County, not a quote — your written price comes after a free on-site walkthrough.
Yes. The walkthrough and the written scope are free and yours to keep whether or not you hire us. There is no design fee and no consultation invoice.
Only with proper emergency egress — that means a code-compliant egress window and window well, or a walkout. It is the single most common reason a basement bedroom fails inspection or gets flagged at resale. We settle it during design, before framing, because retrofitting egress into finished walls is expensive.