Rental Property Rules in Boulder, CO (2026)
2 verified rental property rules for Boulder, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Rental Registration
Boulder requires every rental property to hold a valid rental license from the city manager before anyone occupies it as a tenant. Section 10-3-2 bans renting, or advertising a unit for rent, without a license number, though a limited pre-lease advertising window exists once a complete application is filed.
Boulder Rental Property License Required Before Renting
Significant RestrictionsB.R.C. 1981 § 10-3-2(a)
No operator shall allow, or offer to allow through advertisement or otherwise, any person to occupy any dwelling, dwelling unit or rooming unit as a tenant or lessee or otherwise for a valuable consideration unless each room or group of rooms constituting the rental property has been issued a valid rental license by the city manager, provided however, an operator may advertise for a rental of t...
Repairs & Habitability
Boulder's Property Maintenance Code, B.R.C. 1981 Chapter 10-2, requires landlords to keep rentals heated to at least 68°F and every habitable room ventilated, and applies the whole code to rental structures alongside the separate Rental Licenses chapter.
Boulder Rental Habitability Standards
Some RestrictionsBoulder Property Maintenance Code § 602.3 (B.R.C. 1981 Ch. 10-2)
602.3 Heat Supply. Interior space intended for human occupancy shall have active or passive space-heating systems capable of maintaining a minimum indoor temperature of 68°F (20°C). No portable space heaters shall be used to achieve compliance with this section.
Looking for Boulder County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Boulder city rules.
Rental Property Rules in Boulder County →