Sign Regulations in Westminster, CO (2026)
3 verified sign regulations for Westminster, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Garage Sale Signs
Westminster names garage sale signs as a no-permit incidental sign, but limits how long a temporary freestanding sign can stay up, and separately caps garage sales themselves to three consecutive days no more than once every 90 days.
Westminster Garage Sale Sign and Duration Limits
Light RestrictionsWestminster Municipal Code §§ 8-1-7, 11-11-11(B)(1)
8-1-7. - Garage Sales. Garage sales are defined as any type of sales activity... (A)Duration: It shall be unlawful for a person to conduct a garage sale for a period of time exceeding three consecutive days in duration.(B)Frequency: It shall be unlawful for a person to conduct more than one garage sale in any 90-day period. ... 11-11-11(B) [examples of customary uses for incidental signs includ...
Digital Billboards
Westminster bans billboards outright, so a new off-premise digital billboard cannot be permitted anywhere in the city. Any legal digital sign that does exist must meet strict brightness, hold-time and shutoff standards enforced by the Planning Manager.
Westminster Digital Billboard and Sign Rules
Heavy RestrictionsWestminster Municipal Code §§ 11-11-5(H), 11-11-7(B)
(H)Billboards. ... 11-11-7(B) Digital Signs. Digital signs shall conform to the following standards: ... (3)Hold Time. Each message on the sign must be displayed for at least eight seconds duration. Message changes shall be completed instantaneously and shall be imperceptible. Transition effects are prohibited. ... (5)(b)Digital signs shall not operate at brightness levels of more than 0.3 foot...
Window Signs
Westminster lets any property post window signs without a permit, but caps the total sign area at 30 percent of the glass in a window's mullion-and-transom frame. Anything mounted outside or within three feet of the glass on the outside doesn't count as a window sign at all.
Westminster Window Sign Coverage Limit
Light RestrictionsWestminster Municipal Code § 11-11-10(E), Table 11-11-10-5
(E)Window Signs: A "window sign" is a sign posted, painted, placed, or affixed to the inside of a window and inside a building, but clearly visible from outside the building. Signs placed on the exterior of a window are not permitted. This includes any sign that is mounted within three (3) feet of a window and oriented to the window in a manner that is visible from the outside of the building o...
Looking for Adams County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Westminster city rules.
Sign Regulations in Adams County →