Sign Regulations in Colorado (2026)
89 rules on the books across Colorado, 26 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Political Signs
Rules for posting political campaign signs on your property, including size limits, how early you can put them up, and when they must come down.
Colorado: statewide
StatewideFew RestrictionsColorado state law prohibits homeowner associations from banning political signs on member property during election…
Read full rule →Adams County
Some RestrictionsAdams County regulates political signs content-neutrally as temporary signs. On residential lots one temporary sign up…
Read full rule →Boulder County
Some RestrictionsIn unincorporated Boulder County, political and other noncommercial signs are allowed anywhere a commercial sign is…
Read full rule →Castle Rock
Some RestrictionsIn residential Castle Rock you may place one sign on your own property, no larger than 6 square feet and no more than 4…
Read full rule →Douglas County
Some RestrictionsIn unincorporated Douglas County, political signs are regulated content-neutrally as temporary signs. They need no…
Read full rule →Fort Collins
Some RestrictionsFort Collins treats political yard signs the same as any other temporary yard sign: the Sign Code is expressly…
Read full rule →Jefferson County
Some RestrictionsJeffco's sign code is content-neutral: political/campaign signs are regulated as "Temporary Ground Signs." Up to six…
Read full rule →Lakewood
Some RestrictionsLakewood's Zoning Ordinance dropped its old political-sign category to comply with Reed v. Gilbert; a political message…
Read full rule →Larimer County
Some RestrictionsElection signs need no permit in unincorporated Larimer County and may be placed for 60 days before an election. On…
Read full rule →Littleton
Some RestrictionsLittleton doesn't license political signs separately: it regulates every sign by structure and size, not by message…
Read full rule →Arapahoe County
Light RestrictionsArapahoe County's Land Development Code treats political and campaign signs the same as any other temporary sign: no…
Read full rule →Aurora
Light RestrictionsAurora has no separate political-sign permit. Its Unified Development Ordinance lets any lawfully permitted sign swap…
Read full rule →Boulder
Light RestrictionsBoulder treats a political sign as a noncommercial sign exempt from standard area and setback limits, but caps it at…
Read full rule →Denver
Light RestrictionsDenver treats political signs as noncommercial signs: no permit needed on residential lots, but they're capped at 15…
Read full rule →Greeley
Few RestrictionsElection, ideological, and real estate signs are the only sign types Greeley allows on vacant lots without a primary…
Read full rule →Weld County
Few RestrictionsWeld County's sign code is content-neutral, so political yard signs follow the same limits as other signs. Each lot may…
Read full rule →Garage Sale Signs
Where you can place signs advertising a garage or yard sale, including restrictions on utility poles, medians, and public right-of-way.
Adams County
Some RestrictionsGarage-sale signs fall under Adams County's content-neutral temporary sign rule: up to 32 sq ft, on private property…
Read full rule →Boulder County
Some RestrictionsBoulder County's Land Use Code (Article 13) does not exempt garage-sale signs generally; temporary signs must meet the…
Read full rule →Castle Rock
Some RestrictionsGarage-sale signs may not be placed in the public right-of-way at any time in Castle Rock. Right-of-way signs…
Read full rule →Centennial
Some RestrictionsGarage sale signs in Centennial are regulated as Yard Signs: no permit or cap on quantity, but each sign is capped at 6…
Read full rule →Colorado Springs
Some RestrictionsColorado Springs treats a garage-sale sign as a "Short Term Sign" under Table 7.4.13-E: no permit needed, but it must…
Read full rule →Denver
Some RestrictionsDenver limits yard and garage sales to 72 hours, one per half-year, and requires all signs and other external evidence…
Read full rule →Douglas County
Some RestrictionsGarage sale signs are temporary signs in unincorporated Douglas County: no permit is needed, but they must be on…
Read full rule →Jefferson County
Some RestrictionsJeffco has no separate garage-sale sign category; they fall under content-neutral "Temporary Ground Signs." Up to six…
Read full rule →Larimer County
Some RestrictionsSmall temporary signs like garage-sale signs are generally exempt from a permit under Section 10.5 of the Larimer…
Read full rule →El Paso County
Light RestrictionsTemporary signs in El Paso County's residential zoning districts, including yard and garage sale signs, need no permit…
Read full rule →Mesa County
Light RestrictionsMesa County treats a garage-sale sign as an exempt temporary sign: no permit needed if it isn't illuminated or…
Read full rule →Westminster
Light RestrictionsWestminster names garage sale signs as a no-permit incidental sign, but limits how long a temporary freestanding sign…
Read full rule →Weld County
Few RestrictionsGarage-sale signs in unincorporated Weld County fall under the general small-sign allowance: up to five signs of up to…
Read full rule →Holiday Displays
Rules for seasonal decorations, lights, inflatables, and lawn displays, including the sign-permit exemptions most codes give them and any limits on timing, size, or placement.
Longmont
Heavy RestrictionsLongmont's sign code flatly prohibits inflatable signs -- balloons, inflatable figures, and similar fluttering or…
Read full rule →Colorado Springs
Significant RestrictionsColorado Springs treats inflatable displays as temporary signage, not decoration. Under City Code § 7.4.1307.E.3, a…
Read full rule →Aurora
Some RestrictionsAurora caps any inflatable, balloon, or similar device over 20 inches to 72 straight hours and once per year, no permit…
Read full rule →Denver
Some RestrictionsDenver exempts holiday decorations from outdoor advertising device permits, but only if displayed no more than 60…
Read full rule →Greeley
Some RestrictionsBalloons and inflatable displays with text or graphics under 33 square feet count as temporary signs and need a city…
Read full rule →Arapahoe County
Light RestrictionsArapahoe County's Land Development Code bans exposed 'light bulb strings and exposed tubing', festoons, strings of…
Read full rule →Fountain
Light RestrictionsFountain's Fire Code caps decorative holiday lighting at 45 days of installation, extending to 90 days for apartment…
Read full rule →Lakewood
Light RestrictionsLakewood exempts decorative holiday light displays from a sign permit, but caps how long they can stay up: 60…
Read full rule →Littleton
Light RestrictionsLittleton exempts holiday lighting from its outdoor lighting standards only during November, December and January. City…
Read full rule →Loveland
Light RestrictionsLoveland does not require a sign permit for seasonal decorations, so holiday lights and displays can go up without City…
Read full rule →Arvada
Few RestrictionsArvada exempts holiday decorations from two of its toughest sign rules: the citywide ban on animated lighting and the…
Read full rule →Centennial
Few RestrictionsCentennial exempts holiday lighting from its exterior lighting standards as long as it stays up no more than 90 nights…
Read full rule →El Paso County
Few RestrictionsEl Paso County exempts holiday decorative lighting entirely from its outdoor lighting standards, allowing any type…
Read full rule →Mesa County
Few RestrictionsMesa County exempts temporary holiday decorations and displays from its sign permit requirements, letting property…
Read full rule →Digital Billboards
Rules governing digital and electronic billboards, including size limits, brightness and dwell-time standards, and the ongoing legal fight in cities like LA.
Boulder
Heavy RestrictionsBoulder's sign code bans off-premises billboards outright: Section 9-9-21(b)(3)(H) prohibits any commercial sign that…
Read full rule →Colorado Springs
Heavy RestrictionsColorado Springs' sign code has no digital-billboard track: Section 7.4.1308.C bans any sign whose digital message…
Read full rule →Denver
Heavy RestrictionsDenver's zoning code bars new LED message surfaces on outdoor advertising billboards, grandfathering only devices with…
Read full rule →Fort Collins
Heavy RestrictionsFort Collins bans billboards outright, digital or otherwise, along with all permanent off-premises signs, under Section…
Read full rule →Littleton
Heavy RestrictionsLittleton prohibits billboards outright citywide, and in the Downtown Main Street, Transition, Mixed-Use and…
Read full rule →Manitou Springs
Heavy RestrictionsManitou Springs outlaws digital, animated and flashing signs citywide under its Land Use and Development Code. Any…
Read full rule →Westminster
Heavy RestrictionsWestminster bans billboards outright, so a new off-premise digital billboard cannot be permitted anywhere in the city…
Read full rule →Arapahoe County
Significant RestrictionsBillboards are banned outright in every zoning district of unincorporated Arapahoe County, and that ban extends to…
Read full rule →Arvada
Significant RestrictionsArvada has no separate billboard category: digital displays are regulated as electronic message centers under LDC…
Read full rule →Douglas County
Significant RestrictionsDouglas County allows electronic message signs only in place of a freestanding sign, one per parcel, capped at 50…
Read full rule →El Paso County
Significant RestrictionsNew electronic message display billboards in unincorporated El Paso County need a Board of County…
Read full rule →Greeley
Significant RestrictionsGreeley restricts digital "EMD" signs to commercial, industrial, PUD and institutional-use sites, capping them at 50%…
Read full rule →Longmont
Significant RestrictionsLongmont allows digital/electronic message signs only as part of a freestanding monument sign in specific mixed-use and…
Read full rule →Pueblo
Significant RestrictionsPueblo caps electronic message signs at 10,000 NITs by day and 5,000 by night, bans them within 100 feet of homes, and…
Read full rule →Weld County
Significant RestrictionsWeld County only allows electronic message displays, its term for digital billboards, in Commercial and Industrial…
Read full rule →Aurora
Some RestrictionsAurora caps electronic message boards at 50% of a monument sign face, bans scrolling or flashing, and requires…
Read full rule →Centennial
Some RestrictionsCentennial caps digital billboard brightness at 0.3 foot-candles above ambient light, measured with a calibrated meter…
Read full rule →Fountain
Some RestrictionsFountain has no separate digital-billboard category; the operative rule is the electronic message center (EMC) standard…
Read full rule →Lakewood
Some RestrictionsLakewood's zoning code allows on-site electronic message signs on larger lots but caps copy changes to once every 8…
Read full rule →Loveland
Some RestrictionsLoveland, Colorado caps electronic message center (EMC) displays at 50% of a sign's face, or 60% within the I-25…
Read full rule →Mesa County
Some RestrictionsMesa County caps digital and electronic sign brightness at 0.3 footcandles over ambient light, bans interactive…
Read full rule →Window Signs
Limits on the percentage of window area that may be covered by signs in storefronts, including transparency rules for safety visibility into businesses.
Arvada
Some RestrictionsArvada caps how much of a storefront window can be covered with signs under Table 6-1-5-1B: up to 25 percent of any…
Read full rule →Aurora
Some RestrictionsIn Aurora, Colorado, window signs are capped at 50% coverage per window pane citywide, dropping to 25% in the MU-OA-MS…
Read full rule →Boulder
Some RestrictionsBoulder exempts small window signs from a sign permit, but only within limits: Section 9-9-21(c)(1)(L) allows a…
Read full rule →Centennial
Some RestrictionsCentennial caps window signage by requiring 50% to 80% window transparency, depending on zone district, instead of a…
Read full rule →Colorado Springs
Some RestrictionsWindow signs in Colorado Springs can't cover more than 25% of the window area they're displayed in, under Table…
Read full rule →Denver
Some RestrictionsTemporary window signs in Denver can't exceed 60 percent of ground-level window area or 50 percent of the zone lot's…
Read full rule →Douglas County
Some RestrictionsDouglas County caps window signs at six square feet each and ties the number allowed per business to the length of the…
Read full rule →Fort Collins
Some RestrictionsA Fort Collins window sign under six square feet needs no sign permit as long as it covers no more than 25 percent of…
Read full rule →Fountain
Some RestrictionsFountain limits how much of a storefront window a sign can cover. Fountain Municipal Code § 17.12.060(K) caps any sign…
Read full rule →Greeley
Some RestrictionsWindow signs are allowed in Greeley but can cover no more than 25 percent of any individual window pane's glass surface…
Read full rule →Lakewood
Some RestrictionsWindow signs in Lakewood, Colorado are exempt from the sign permit process but still capped at 25 percent of the…
Read full rule →Loveland
Some RestrictionsLoveland, Colorado caps window signage under UDC Table 18.04.08.10.B: up to 25% of an architecturally distinct window…
Read full rule →Manitou Springs
Some RestrictionsWindow and door signs in Manitou Springs cannot cover more than 25% of the glass area on any street-facing façade, and…
Read full rule →Pueblo
Some RestrictionsIn Pueblo's Commercial Charter Neighborhood district, window signs can cover only 20% of the window they're mounted on…
Read full rule →Arapahoe County
Light RestrictionsIn unincorporated Arapahoe County, signs placed in or on a window or the glass part of a door don't need a sign permit…
Read full rule →El Paso County
Light RestrictionsTemporary window signs covering less than 50 percent of the window surface don't need a sign permit in unincorporated…
Read full rule →Littleton
Light RestrictionsLittleton exempts small display window signs under four square feet from a sign permit citywide, while downtown window…
Read full rule →Longmont
Light RestrictionsLongmont exempts window signs from a sign permit, but caps them at 25% of a window opening, or 50% of any single panel…
Read full rule →Westminster
Light RestrictionsWestminster lets any property post window signs without a permit, but caps the total sign area at 30 percent of the…
Read full rule →Mesa County
Few RestrictionsMesa County excludes window signs incorporated with a window display from a property's total sign allowance, so…
Read full rule →Freeway-Facing Signs
Restrictions on commercial signs visible from freeways, including height, illumination, and outdoor advertising act compliance.
Aurora
Heavy RestrictionsOff-premises signs and billboards in Aurora, Colorado may not be visible from any freeway or interstate highway under…
Read full rule →Denver
Heavy RestrictionsDenver prohibits erecting or remodeling any billboard within 660 feet of a freeway right-of-way if its face is visible…
Read full rule →Douglas County
Heavy RestrictionsDouglas County bans billboards outright, county-wide, with no exceptions for freeway frontage. Any freestanding sign…
Read full rule →Arapahoe County
Some RestrictionsIn unincorporated Arapahoe County, a freestanding sign facing an Arterial/Freeway frontage is capped at one sign per…
Read full rule →Pueblo
Some RestrictionsIn Pueblo, a sign in a commercial or industrial zone next to the state highway system needs a separate CDOT sign…
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