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Corner sight triangles in Montgomery County, MD

On a corner lot in a residential zone, nothing over 3 ft above curb level within 15 ft of where the front and side street lines meet.

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

The details

  • Covers fences, walls and other visual obstructions.Medium confidence

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Common questions

What can I put near the corner of a corner lot in Montgomery County?
On a corner lot in a residential zone, nothing over 3 ft above curb level within 15 ft of where the front and side street lines meet.

Sources

  1. Montgomery County Zoning Ordinance (Chapter 59), Articles 59-3, 59-4 and 59-6 (Zoneomics copy of the official American Legal text). Checked 2026-10-21
    [6.4.3.C] Fences, walls and other visual obstructions [on corner lots in Residential zones] are limited to 3 feet above curb level for 15 feet from the intersection of the front and side street lines... [4.1.7.B.5] Residential mechanical equipment, includin…

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.