Home Business in Lake County, IL (2026)
5 county-level rules, plus city-specific rules for 1 city in Lake County, Illinois.
Verified from official government sources
Zoning & Home Occupation Permits
Unincorporated Lake County requires a zoning certificate for home occupations, capped at under 50% of dwelling floor area with two nonresident employees max.
Lake County Home Occupation Zoning Rules
Some RestrictionsLake County Code § 151.113(E)
Home occupations that comply with the regulations of this section shall be allowed as an accessory use to any allowed residential use... A home occupation shall occupy less than 50% of the floor area of the principal dwelling unit... Approval of a zoning certificate shall be required. A maximum of two nonresident employee shall be allowed in conjunction with a home occupation.
Signage Rules
Home occupations in unincorporated Lake County get zero exterior signage. Section 151.113(E)(8) states plainly that no signs shall be allowed, and the code backs it up by banning any visible exterior evidence at all that a business operates on the property.
No Home Occupation Signs, Unincorporated Lake County
Heavy RestrictionsLake County Code § 151.113(E)(8)
(E) Customary home occupations. (1) General. Some types of work can be conducted at home with little or no effect on the surrounding neighborhood. The home occupation regulations of this subsection (E) are intended to permit residents to engage in customary home occupations, while ensuring that the home occupations will not be a detriment to the character and livability of the surroun...
Customer Traffic Restrictions
Home occupations in unincorporated Lake County can see customers only between 8 a.m. and 8 p.m., and no more than six per day. Section 151.113(E)(11) sets both caps, and companion rules limit nonresident employees and require a resident operator on site.
Home Business Customer Limits, Unincorporated Lake County
Some RestrictionsLake County Code § 151.113(E)(11)
(E) Customary home occupations. ... The regulations require that home occupations (an accessory use) remain subordinate to the allowed principal use (residential) and that the residential viability of the dwelling unit is maintained. Approval of a zoning certificate shall be required. (6) Employees. A maximum of two nonresident employee shall be allowed in conjunction with a home occu...
Cottage Food Operations
Unincorporated Lake County treats cottage food operations as home occupations under Section 151.112(F) of the county zoning code. Operators must submit an annual cottage food operation registration form to the Lake County Health Department and follow every home-occupation performance standard.
Lake County Cottage Food Registration Rule
Some RestrictionsLake County Code § 151.112(F)
(F) Cottage food operations. Cottage food operations shall be subject to the home occupation provisions of subsection (E) above. The operator must annually submit an application for cottage food operation registration form to the Lake County Health Department.
Home Daycare
Unincorporated Lake County treats care for seven or fewer children as "babysitting," allowed by right as a customary home occupation rather than a regulated day care facility use.
Home Daycare Zoning in Lake County, IL
Light RestrictionsLake County Code § 151.270(D)(4)(d)
Day care for seven or fewer individuals at any one time is considered "babysitting" and is regulated as a home occupation.
Home Business by City in Lake County
1 cities in Lake County have their own home business rules. Each link goes to that city's dedicated page with code citations.
All Lake County ordinances
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