Vienna enforces strict front-yard setbacks that vary by zoning district. Typical single-family residential districts (R-8, RS-16) require a minimum 35-foot front setback measured from the front property line to the closest point of the main dwelling. Porches, bay windows, and steps may project limited distances into the setback.
Front-yard setback requirements are established in the Vienna Zoning Ordinance. In the R-8 district (most common single-family zoning), the minimum front-yard setback is 35 feet. In R-12.5 it is typically 35 feet, in RS-16 it is 40 feet, and in the Commercial and Mixed-Use districts setbacks are shaped by form-based district standards. The Zoning Ordinance also contains an established-front-yard provision: where existing homes on the block are set back further than the required minimum, the applied setback may be adjusted to align with the prevailing line. Permitted projections into the front setback include unenclosed porches (typically up to 6 feet), bay windows (up to 2 feet), eaves and cornices, and entry steps. Fences in the front yard are capped at 4 feet tall. Corner lots have two front setbacks, one along each street frontage, and often create buildable area hardship addressed through the variance process at the Board of Zoning Appeals.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Fairfax County.
See how other cities in Fairfax County handle setback rules.
See how Vienna's setback rules rules stack up against other locations.
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