Sign Regulations in Aurora, CO

If you live in Aurora or are thinking about moving there, sign regulations are one of those things you probably won't think about until they affect you directly. Aurora has 5 specific rules on the books covering different aspects of sign regulations, and some of them might surprise you.

Digital Billboards

Aurora caps electronic message boards at 50% of a monument sign face, bans scrolling or flashing, and requires 8-second-minimum static messages.

Key details: Sign type allowed: Monument signs only. Max EMB area: 50% of sign face. Min message duration: 8 seconds, static. Transition: Dissolve/fade only, ≤1 sec. Overlay exception: Wall signs in Special Commercial Sign Overlay.

Zoning code enforcement is complaint- and inspection-driven; noncompliant EMBs are subject to the general UDO sign-enforcement and correction process, not a per-day fine schedule stated in this section.

Window Signs

In Aurora, Colorado, window signs are capped at 50% coverage per window pane citywide, dropping to 25% in the MU-OA-MS district, with a 200-square-foot ceiling on total window sign area.

Key details: General window coverage cap: 50% per window pane. MU-OA-MS district cap: 25% per window pane. Total area ceiling: 200 sq ft, all window signs. Permit required: No. Applies to: Mixed-use zone districts.

Aurora Code Enforcement (Neighborhood Services Division) handles sign violations; excess coverage triggers a notice to remove or reduce the display, with citation for noncompliance under the UDO's general enforcement provisions.

Freeway-Facing Signs

Off-premises signs and billboards in Aurora, Colorado may not be visible from any freeway or interstate highway under the city's Unified Development Ordinance.

Key details: Governing law: Aurora UDO § 146-4.10.13(C). Freeway/interstate visibility: Prohibited. Where billboards are allowed: I-2 district only, near highways. Approval authority: Planning Director, 5-yr terms.

Signs erected in violation are subject to removal and permit denial or termination by the Planning Director; off-premises sign approvals can be terminated by the city if needed to meet site-plan review criteria.

Compared to other cities, Aurora takes a harder line on freeway-facing signs. The enforcement and penalty structure reflects that.

Political Signs

Aurora has no separate political-sign permit. Its Unified Development Ordinance lets any lawfully permitted sign swap to a noncommercial message, including political speech, with no additional permit for the change.

Key details: Permit for message change: None required. Governing provision: UDO § 146-4.10.15.C. Typical residential temp-sign cap: 6 sq. ft., 4 ft. tall. Signs in right-of-way: Illegal, removed without notice. UDO currency: Through Ord. 2026-03, Feb. 23, 2026.

No permit fine for a lawful message swap, but an oversized or out-of-place sign is an illegal sign: the City may remove it after 10 days' written notice, or immediately without notice if it sits in a right-of-way, median, or sight triangle (Sec. 146-5.6.2.C.5).

Aurora is more permissive than most cities when it comes to political signs. That said, there are still limits.

Holiday Displays

Aurora caps any inflatable, balloon, or similar device over 20 inches to 72 straight hours and once per year, no permit needed.

Key details: Time limit: 72 consecutive hours. Frequency: Once per year. Size trigger: Over 20 inches diameter. Permit: Not required. Where: All zoning districts.

Code enforcement can require removal of an inflatable left up past the 72-hour window or redeployed more than once in a calendar year; repeat or unresolved violations can proceed as a municipal code violation under the UDO's sign enforcement provisions.

The Bottom Line

Aurora's sign regulations rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Aurora is broadly strict or permissive.

These rules come from Aurora's publicly available municipal code. For complete penalty schedules, exemption details, and answers to common questions, see the individual ordinance pages throughout this guide.