Building Setbacks & Zoning in Longmont, CO (2026)
1 verified building setbacks & zoning rules for Longmont, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Longmont sets residential building setbacks by zoning district in the Land Development Code (LMC § 15.03.080). In R-SF: 15 ft front yard dwelling (10 ft with alley garage, 20 ft for front-facing garage), 5 ft side yard, 20 ft rear (6 ft if abutting an alley). Detached accessory structures must sit at least 5 feet from rear and side property lines and behind the front facade.
Longmont Building Setbacks
Some RestrictionsLooking for Boulder County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Longmont city rules.
Building Setbacks & Zoning in Boulder County →