Fence Regulations in Westminster, CO (2026)
4 verified fence regulations for Westminster, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Height Limits
Westminster limits fences ahead of the required front setback to 36 inches, or 42 inches for open ornamental-iron or woven-wire designs, while side and rear yard fences may reach six feet. Any fence within a vehicular sight triangle that obstructs a motorist's view, as determined by the City's traffic engineer, can be abated as a nuisance.
Westminster Fence Height and Sight-Triangle Rules
Some RestrictionsWestminster Municipal Code § 11-4-6(P)(3),(7)
(3)Height Limitations, Residential/Business Districts.(a)Fences erected in front of the front building line or in front of the required front setback may be of any class, provided the height of the fence does not exceed 36 inches. Class 2 and 3 fences more than 50 percent open may be erected to a height not to exceed 42 inches. Ornamental post caps shall not be included in any calculation of fe...
Fence Permit Requirements
Westminster only exempts a fence from a building permit if it's 30 inches or shorter. Anything taller, including most of the 6-foot side and rear yard fences the zoning code allows, triggers the same building permit process as any other structure under Section 11-9-3(A)(2).
Westminster Fence Permit Threshold: 30 Inches
Some Restrictions§ 11-9-3(A)(1)-(2), W.M.C.
(A)Permits Required:(1)General. No person shall construct, install, enlarge, alter, repair, move, improve, remove, replace, convert, demolish, equip, or change the occupancy of any building or structure; electrical system; plumbing system; heating, ventilating, cooling, or refrigeration system; gas system, incinerator or other miscellaneous heat-producing appliance; swimming pool, spa or hot tu...
Retaining Walls
Retaining walls in Westminster skip the building permit only if they're three feet or shorter and aren't holding back a surcharge, a structure, or flammable liquid. Anything taller needs a permit, and under Section 11-9-3(C)(3)(b)(iii) it also needs a stamped design from a Colorado-licensed architect or engineer.
Westminster Retaining Wall Permit & Engineer Rule
Some Restrictions§ 11-9-3(A)(2)(b) & (C)(3)(b)(iii), W.M.C.
(A)Permits Required:(1)General. No person shall construct, install, enlarge, alter, repair...any building or structure...without first obtaining a building permit for all such work from the Building Official...(2)Exempt work...A building permit shall not be required for the following: Building: ...(b)Retaining walls that are not over three feet in height measured when measured from the grade le...
Material Restrictions
Westminster's zoning code bans electrically charged fences outright and prohibits barbed wire or similar sharp-pointed fencing unless it's specifically approved on an Official Development Plan or Preliminary Development Plan, in which case it must sit at least six feet above grade. Ordinary fences are sorted into five material classes under Section 11-4-6(P).
Westminster Bans Barbed Wire, Electric Fences
Heavy Restrictions§ 11-4-6(P)(2) & (P)(6), W.M.C.
(P)Fences:(1)General. Fences erected in the City shall comply with the provisions of this section. Fences and swimming pools shall also comply with the provisions of the building code as adopted by the City.(2)Fence Classifications. Fences shall be classified as follows: Class 1: masonry walls Class 2: ornamental iron Class 3: woven wire Class 4: fences more than 50 percent open Class 5: fences...
Looking for Adams County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Westminster city rules.
Fence Regulations in Adams County →