Fairfax County, VA · Fairfax County Zoning Ordinance
R-A provides land for agricultural operations and protects them from urban development. Max 0.2 DU/acre (1 per 5 acres). Min lot 5 acres. Height 35ft. Front 60ft, side 50ft, rear 50ft. Found in the rural western portions of Fairfax County. Section 2102.1.
Development standards in R-A
Minimum lot size
217800 sq ft
Max density
0.2 units/acre
Front setback
60 ft
Side setback
50 ft
Rear setback
50 ft
Read from Fairfax County Zoning Ordinance, effective through 2026-07-01.
ConditionalAccessory Dwelling Units Subject to approval
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.