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Home Business in Westminster, CO (2026)

4 verified home business rules for Westminster, Colorado, sourced directly from the municipal code and official government pages.

Verified from official government sources

Zoning & Home Occupation Permits

Westminster allows home occupations in any dwelling unit, in any zoning district, but caps the use at 20 percent of the home's gross floor area or 300 square feet, whichever is smaller, and bars use of the garage. A license from the City is required before operating.

Home Occupation Zoning Rules in Westminster

Some Restrictions

Westminster Municipal Code Section 11-4-10

(A)Occupations Permitted: Home occupations that meet the criteria of this chapter may be operated in connection with the occupation of a dwelling unit within any zoning district, including the residential areas of a PUD zone.(B)Limitations to Home Occupations...(4)The use shall not exclusively utilize more than 20 percent of the gross floor area of the dwelling as defined by the International B...

Signage Rules

A Westminster home occupation may display only one sign, and it must be unanimated, non-illuminated, flat against a wall or window, and no larger than one square foot in area under Section 11-4-10(B)(3).

Home Business Sign Limit in Westminster

Significant Restrictions

Westminster Municipal Code Section 11-4-10(B)(3)

(3)The operator of the home occupation shall not display or create outside the building any external evidence of the operation of the home occupation, except one unanimated, non-illuminated flat wall or window sign having an area of not more than one square foot.

Customer Traffic Restrictions

Westminster requires a home-based business to stay invisible from the street. Section 11-4-10(B) bars a separate outside entrance, limits exterior signage to one square foot, and makes it unlawful for the business to change the neighborhood's character through excessive traffic, noise, or lights.

Westminster Home Business Traffic & Visibility Limits

Some Restrictions

§ 11-4-10(B), W.M.C.

(B)Limitations to Home Occupations: The home occupations herein permitted shall only be operated subject to all of the following additional limitations:(1)The use shall operate in its entirety within the dwelling unit and only by persons residing in the dwelling....(2)The use shall not have a separate entrance from outside the building, unless otherwise required by State law or regulation, exce...

Home Daycare

Westminster zoning treats a licensed home daycare as a 'family care home,' defined as a state-licensed facility inside the provider's residence offering less than 24-hour child care. It qualifies as a home occupation allowed in any zoning district, but the operator must keep a current state license on file plus a city home occupations license.

Westminster Home Daycare Zoning Rules

Some Restrictions

Westminster Municipal Code §§ 11-2-1 (definitions), 11-4-10(A),(B)(5)

Family care home shall mean a state-licensed facility in the residence of the provider that provides less than 24-hour care, training, education, or supervision for a number of children approved and established by the state-issued license. A copy of the current valid state-issued license must be kept on file with the City for operation of a family care home, along with a valid home occupations ...

Looking for Adams County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Westminster city rules.

Home Business in Adams County