Aurora, CO Building Setbacks & Zoning: Setback Rules (2026)
Key Facts
- Front setback range
- 12–30 ft. by zone district
- Interior side setback
- 5–10 ft.
- Rear setback range
- 8–25 ft.
- Governing table
- UDO Table 4.2-1
- Applies to
- Subareas A and B; Subarea C uses Table 4.2-2
Summary
Aurora's UDO sets minimum front, side and rear setbacks by residential zone district, ranging from 8 to 30 feet depending on district and yard.
Setbacks, Minimum | Front: R-R 30 ft.; R-1 25 ft.[4]; R-2 20 ft.[4]; R-3 15 ft.; R-4 12 ft.; R-MH 15 ft. | Side, Interior[5]: R-R 10 ft.; R-1 5 ft.[6]; R-2 5 ft.[6]; R-3/R-4 5 ft.; R-MH 5 ft. | Rear, General: R-R 25 ft.; R-1 20 ft.; R-2 15 ft.; R-3 10 ft.; R-4 8 ft.
Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 2026-30, passed June 22, 2026).
Full Breakdown
Aurora's Unified Development Ordinance fixes minimum building setbacks by zone district in Table 4.2-1. Front setbacks run from 12 ft. (R-4) up to 30 ft. (R-R); interior side setbacks run 5 to 10 ft.; rear setbacks run 8 to 25 ft. Corner and non-residential-abutting-residential lots carry larger setbacks (up to 25-30 ft.). Landscaped buffers under other UDO sections can require larger setbacks than this table alone. Subarea C parcels use a separate table, 4.2-2.
Violations & Fines
Building in a required setback without an approved exception under Section 146-4.2.4 (Exceptions and Encroachments) is a zoning violation subject to code enforcement and required correction.
Frequently Asked Questions
What is Aurora's minimum front setback?
Do landscaped buffers change the setback?
Sources & Official References
Other rules in Aurora
Compare Aurora to another location·View the Colorado building setbacks & zoning overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.
Setback Rules in Nearby Cities
How other cities in Arapahoe County handle setback rules.