Fence Regulations in Montgomery County, MD (2026)

Montgomery County Code, Ch. 59 (Zoning Ordinance), § 59.6.4.3.C.2.a

A fence, wall other than retaining wall, terrace, structure, shrubbery, planting, or other visual obstruction on a corner lot in a Residential zone can be a maximum height of 3 feet above the curb level for a distance of 15 feet from the intersection of the front and side street lines. b.   A deer fence on a corner lot in a Residential zone must not be located closer to the street than the face...

Montgomery County Code § 8-1(d)

All buildings or structures must be constructed, extended, repaired, removed or altered under a permit that satisfies this Chapter, except for: (1) ordinary repairs as defined in Section 8-3; (2) a building or structure used exclusively for agricultural purposes on land used exclusively for agriculture; ... (3) the following public utility equipment: ...

COMCOR 08.00.02 (2021 IRC as amended), § R404.4, Retaining Walls

Retaining walls over 48 inches (1219 mm) in retained height or over 36 inches (914 mm) in retained height that resist a surcharge, shall be designed in accordance with accepted engineering practice to ensure stability against overturning, sliding, excessive foundation pressure and water uplift. Retaining walls shall be designed for a safety factor of 1.5 against lateral sliding and overturning....