Home Business in Longmont, CO (2026)
4 verified home business rules for Longmont, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Zoning & Home Occupation Permits
Longmont caps home occupations at 50 percent of a dwelling's gross floor area if no customers visit, or just 15 percent if the business serves the public on-site.
Longmont Home Occupation Size Limits
Some RestrictionsLongmont Municipal Code § 15.04.040.C.4.d
d.Size for home occupation:i.For home occupations not serving the public at the location, the total area used for the home occupation shall not exceed an area representing 50 percent of the gross floor area of the principal dwelling unit.ii.For home occupations engaged in serving the public at the location, the total area used for the home occupation shall not exceed an area representing 15 per...
Signage Rules
Longmont bars any advertising, display or other outward sign of a home occupation, so a home-based business operating out of a residence cannot post a sign, and the ban applies alongside caps on the space, staffing, retail activity and traffic a home occupation can generate.
Longmont Home Business Signage Ban
Significant RestrictionsLongmont Municipal Code § 15.04.040.C.4.e
4. Home occupations. It is the intent of this subsection to regulate home occupations so that the average neighborhood resident, under normal circumstances, will not be negatively impacted by and will be minimally aware of their existence. Home occupations shall meet the following standards: a. Home occupations shall only be permitted as accessory to a principal residential use. b. Home occupat...
Customer Traffic Restrictions
A Longmont home occupation that serves the public on-site is capped at 15 percent of the dwelling's floor area and can't generate more traffic or parking than a typical home.
Longmont home business client visit limits
Some RestrictionsLongmont Municipal Code § 15.04.040.C.4
ii.For home occupations engaged in serving the public at the location, the total area used for the home occupation shall not exceed an area representing 15 percent of the gross floor area of the principal dwelling unit unless the area of the home occupation is a live/work unit as defined in the building code as adopted by the city.e.There shall be no advertising or other display or indications ...
Home Daycare
Longmont allows residential day care as a permitted accessory use in every zoning district that allows household living, but caps it at 12 children under 18 or eight adults, and requires the provider to run it out of their own permanent residence.
Longmont Home Daycare Zoning Standards
Some RestrictionsLongmont Municipal Code § 15.04.030.C.5
5.Day care, residential.a.Day care facilities shall be operated in the permanent residence of the provider.b.Day care facilities shall provide care for no more than 12 children under the age of 18 years or eight adults. All residents of the home and all children and adults on the premises who receive care in the facility are included in the total number of children allowed.c.Day care facilities...
Looking for Boulder County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Longmont city rules.
Home Business in Boulder County →