Home Business in Honolulu County, HI (2026)

5 county-level rules, plus city-specific rules for 11 cities in Honolulu County, Hawaii.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Honolulu County. If you live within an incorporated city, that city's own rules apply — see the city list below.

Zoning Restrictions

Island-wide, ROH Sec. 21-5.350 allows home occupations as incidental accessory uses in residential districts, with worker limits and activity restrictions applied uniformly across Oahu by the Department of Planning and Permitting.

Home Occupations Permitted as Accessory Use

Some Restrictions

Full ordinance details →Official source ↗

Signage Rules

Across Honolulu County, Article 7 of the Land Use Ordinance tightly restricts signage in residential zones, effectively limiting home-based businesses island-wide to small nameplate signs with no illumination.

Home Business Sign Limits Under LUO Article 7

Heavy Restrictions

Full ordinance details →Official source ↗

Customer Traffic Restrictions

ROH Sec. 21-5.350 requires home-based businesses across Honolulu County to avoid unusual vehicular traffic, on-street customer parking issues, and any activity that changes the character of Oahu's residential neighborhoods.

Customer and Client Traffic Limits for Home Occupations

Some Restrictions

Full ordinance details →Official source ↗

Cottage Food Operations

Honolulu County defers cottage food regulation to the State Department of Health under HRS Chapter 321, with Hawaii's 2024 Acts 194 and 195 creating a statewide homemade food operation permit applicable to all Oahu home kitchens.

Cottage Food Operations Regulated by State Law

Some Restrictions

Full ordinance details →Official source ↗

Home Daycare

Honolulu County permits in-home child care as a home occupation under ROH 21-5.350, while the Hawaii Department of Human Services licenses family child care homes caring for three to six unrelated children under HRS 346-151.