Fairfax County, VA · Fairfax County Zoning Ordinance
R-30 is Fairfax County's highest-density residential district. Max 30 DU/acre. Height up to 150ft per board approval. FAR 1.0 non-residential. Found near Tysons, Reston, and major Metro activity centers.
Development standards in R-30
Maximum height
150 ft
Max density
30 units/acre
Up to 150ft subject to board approval
Read from Fairfax County Zoning Ordinance, effective through 2026-07-01.
Permitted uses in R-30
AllowedMultifamily Residential
AllowedTownhouses
ConditionalHome Occupation
ConditionalSTR - Short-Term Rentals STRs permitted with Home Occupation permit. Entire-home limited to 180 nights/year.
Not AllowedCommercial / Retail
"Conditional" means the use generally requires a public hearing or special-exception approval — a very different timeline and risk profile from a by-right permit.
This is the zone. What about the parcel?
Zone rules are the starting point — the answer for a specific property also depends on lot
size, overlays, existing improvements and site conditions. Run a free address lookup to see
what applies to one property.