6 county-level rules, plus city-specific rules for 3 cities in Montgomery County, Maryland.
Verified from official government sources
Montgomery County permits home occupations in all residential zones under Zoning Ordinance Ch 59, Section 3.3.3. The business must be secondary to the residential use. No more than 2 non-resident employees allowed. No external evidence of business activity permitted. Annual registration with the county is required.
Montgomery County prohibits external signage for home occupations under Zoning Ordinance Ch 59, Section 3.3.3. No signs advertising a home business may be displayed on the property, vehicles parked at the residence, or in the yard. Sign regulations are enforced through DPS code compliance.
Montgomery County limits home business customer visits to one client at a time under Zoning Ordinance Section 59.3.3.3. No signage or exterior evidence of business is permitted.
Maryland Health-General Article 21-330 allows cottage food sales of shelf-stable homemade foods up to $25,000 annually. No county license required. Labeling mandatory.
Family child care homes serve up to 8 children (12 with assistant) under COMAR 13A.15. MoCo zoning permits daycare by right in residential zones per Section 59.3.3.2.
MoCo Zoning Section 59.3.3.3 creates two tiers: registered (DPS registration only) and major (OZAH special exception). Both prohibit exterior business evidence.
3 cities in Montgomery County have their own home business rules. Each link goes to that city's dedicated page with code citations.
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Montgomery County Ordinance Hub →