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Corner sight triangles in Arlington County, VA

On a corner lot in an R or RA district, keep the triangle formed by the street lines and a line joining points 25 ft from the corner clear between 3 ft and 10 ft above the curb. Plantings, fences and retaining walls all count.

A person last checked these rules on October 20, 2026. This is guidance only, so confirm with Arlington County before you build.

The details

  • The rule covers plantings, structures, retaining walls, fences and shrubbery.High confidence

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Common questions

What can I put near the corner of a corner lot in Arlington County?
On a corner lot in an R or RA district, keep the triangle formed by the street lines and a line joining points 25 ft from the corner clear between 3 ft and 10 ft above the curb. Plantings, fences and retaining walls all count.

Sources

  1. Arlington County Zoning Ordinance §§ 3.2.5, 3.2.6.A.4, 12.9.9, 12.9.11, 12.9.12, 12.9.16, 12.9.17 and Article 18. Checked 2026-10-21
    [Visual clearance] On any corner lot in an R or RA district there shall be no planting, structure, retaining wall, fence, shrubbery or obstruction to vision between a height of three feet and a height of 10 feet above the curb level within the triangle form…

Disclaimer: This is general information, not legal or professional advice for any one property. Codes change. SetbackIQ is not a zoning determination, a permit, or a survey, and it does not replace an architect, engineer, or lawyer. Confirm with your building and zoning offices before you build, buy, or sign a contract.