Home Business in Boulder, CO (2026)
3 verified home business rules for Boulder, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Zoning & Home Occupation Permits
A home occupation is allowed by right anywhere in Boulder if it stays inside the dwelling, is run only by residents, remains clearly secondary to the residential use, and never takes up more than half of the first floor. Operators still need a city business license under Subparagraph 9-6-3(o)(1)(C) before starting.
Boulder Home Occupation Zoning Standards
Some RestrictionsBoulder Revised Code § 9-6-3(o)(1)(A)(i)-(iii)
(o)Home Occupation:(1)A home occupation is allowed by right if the accessory use meets the following standards:(A)Standards:(i)Such use is conducted entirely within a principal or accessory building and is not carried on by any person other than the inhabitants living there.(ii)Such use is clearly incidental and secondary to the residential use of the dwelling and does not change the residentia...
Signage Rules
Home occupations in Boulder cannot advertise from the property at all. Subparagraph 9-6-3(o)(1)(A)(iv) bars any change in the outside appearance of the dwelling or lot that shows a business is being run there, expressly naming advertising signs or displays, and no permit or variance path exists for a home-business sign.
Boulder Home Business Sign Ban
Heavy RestrictionsBoulder Revised Code § 9-6-3(o)(1)(A)(iv)
(iv)There is no change in the outside appearance of the dwelling unit or lot indicating the conduct of such home occupation, including, without limitation, advertising signs or displays.
Customer Traffic Restrictions
Running a Boulder home occupation without walk-in customers is the rule: Subparagraph 9-6-3(o)(1)(A)(v) bars on-site sales except incidental retail, and allows only remote or virtual sales with no on-site consumer visits at all. Paired with a residents-only staffing rule, that keeps client traffic off residential blocks.
Boulder Home Occupation No-Visit Sales Rule
Some RestrictionsBoulder Revised Code § 9-6-3(o)(1)(A)(i), (v)
(i)Such use is conducted entirely within a principal or accessory building and is not carried on by any person other than the inhabitants living there... (v)There is no on-site sale of materials or supplies except incidental retail sales. Remote or virtual sales with no on-site consumer visits are permitted.
Looking for Boulder County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Boulder city rules.
Home Business in Boulder County →