Home Business in Harford County, MD (2026)
3 rules for unincorporated Harford County, Maryland.
Verified from official government sources
Zoning & Home Occupation Permits
Harford County allows home occupations and professional offices as an accessory zoning use under § 267-27D(4), but only if the business stays clearly incidental to the home, takes up no more than 25% of the principal building's gross floor space, and leaves the dwelling's residential look unchanged. Any modification of these standards requires Board of Appeals approval.
Harford County Home Occupation Zoning Standards
Some RestrictionsHarford County Code § 267-27D(4)(a), (b), (c), (i)
The home occupation must be clearly incidental and subordinate to the residential use and shall not exceed in area 25% of the gross floor space of the principal building. ... The home occupation shall be conducted within the dwelling unit or accessory structure, and no outdoor display or storage of materials, goods, supplies or equipment used in the home occupation shall be permitted on the pre...
Signage Rules
A home-based business in Harford County's residential districts gets one lighted sign, capped at 2 square feet, mounted flat against the building, and it must tie to an approved home occupation.
Harford County Home Occupation Sign Limit
Significant RestrictionsHarford County Code § 267-33I(2)(a)
(2) RR, R1, R2, R3 and R4 Residential Districts. In addition to the requirements set forth in this section, signs in the RR, R1, R2, R3 and R4 District must comply with the following standards: (a) Home occupation signs. One lighted sign, not exceeding 2 square feet in area and attached flat against the building, is permitted in conjunction with approved professional or home occupations.
Customer Traffic Restrictions
A home-based business in unincorporated Harford County cannot be open to the public between 9:00 p.m. and 8:00 a.m. under § 267-27D(4)(d) of the zoning code, and cannot employ more than 1 outside worker (2 for medical offices), with total staff including family capped at 3. Section 267-27D(4)(e) bars any home occupation from generating more traffic than a residential street would normally see.
Harford County Home Business Traffic & Hours Rules
Some RestrictionsHarford County Code § 267-27D(4)(d), (e)
Not more than 1 person, or 2 persons for medical offices, other than members of the immediate family residing in the dwelling unit, may be employed in the home occupation. The total of all employees, inclusive of family members, shall not exceed 3. No home occupation shall be open to the public between 9:00 p.m. and 8:00 a.m. ... No home occupation shall generate greater traffic volumes, or inc...
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