MU-B1 Zone in Boulder, CO
MU-B1 zoning district rules in Boulder, CO. Permitted uses, setbacks, height limits, and lot coverage requirements.
The MU-B1 zone in Boulder, CO is a mixed-use district (Mixed Use General). Permits a combination of residential and commercial uses within a single development or block. Ground floor typically commercial; upper floors residential. Promotes walkable, active streetscapes.
Common Permitted Uses
- Ground-floor retail
- Upper-floor apartments
- Live-work units
- Offices
- Restaurants
Permits a combination of residential and commercial uses within a single development or block. Ground floor typically commercial; upper floors residential. Promotes walkable, active streetscapes.
Parking Requirements
Boulder is one of Colorado's most walkable and bikeable cities — the extensive Creek Path and off-street cycling network reduces auto dependence. Boulder's location between Denver and mountains limits highway capacity, creating strong interest in transit and cycling. EV charging required for new multi-family construction per Boulder's green building requirements.
Source: Boulder Revised Code Title 9, Section 9-8-5 — Accessory Units; Colorado Revised Statutes Title 29 (HB 24-1175 codification). Last verified April 6, 2026. View source