Home Business in DuPage County, IL (2026)
4 county-level rules, plus city-specific rules for 1 city in DuPage County, Illinois.
Verified from official government sources
Zoning & Home Occupation Permits
DuPage County treats a home occupation as an accessory use under Section 37-418.1(A) of the zoning ordinance: it must run entirely inside the residence, only by the resident, cannot use an accessory building or attached garage, and cannot take more than 20% of the home's floor area or 400 square feet, whichever is smaller.
DuPage County Home Occupation Zoning Standards
Some RestrictionsDuPage County Zoning Ordinance § 37-418.1(A)
A.HOME OCCUPATION REQUIREMENTS: A home occupation shall be treated as an accessory use, shall be incidental and secondary to the principal use of the residence as a dwelling and shall meet all of the following requirements.1.Shall be operated in its entirety within the residence and only by the person or persons maintaining a dwelling therein.2.Shall not be operated in an accessory building or ...
Signage Rules
Unincorporated DuPage County caps home occupation signage at one small nameplate. Zoning Ordinance Sec. 37-418.1(A)(5) limits the sign to two square feet and requires it to sit flat against a wall or door, or project no more than eighteen inches out, so patrons can safely approach. No other outdoor evidence of the business is allowed.
DuPage County Home Business Sign Limit
Some RestrictionsDuPage County Zoning Ordinance Sec. 37-418.1(A)(5)
5.May display one (1) home occupation identification nameplate: The maximum area of such sign shall be no greater than two (2) square feet, and such sign shall be affixed flat against a wall or door or may extend up to eighteen inches (18″) from a wall provided safe access is available for patrons.
Customer Traffic Restrictions
DuPage County limits how much foot and car traffic a home-based business can draw. Section 37-418.1(A)(7) caps instruction, teaching or counseling at three people at a time, Section (11) allows no more than three customer or client cars on the property at once, and Section (13) bars the business from being open to the public before 8 a.m. or after 10 p.m.
DuPage County Home Business Client Traffic Limits
Some RestrictionsDuPage County Zoning Ordinance § 37-418.1(A)(7),(10),(11),(13)
7.Shall not permit instruction, teaching, or counseling of more than three (3) persons at a time other than persons residing on the premises. Group counseling or encounter groups, teaching of musical instruments, voice, dance, and other similar instruction shall not exceed the three (3) person limitation....10.Shall not permit delivery by other than private passenger vehicles, parcel service, o...
Home Daycare
Unincorporated DuPage County allows a home daycare for up to 8 kids by right; 9 to 12 kids or a group daycare home needs a conditional use permit.
DuPage County Home Daycare Zoning Limits
Some RestrictionsDuPage County Zoning Ordinance §§ 37-701.1, 37-701.2 (R-1 District, Permitted and Conditional Uses)
Daycare homes which receive no more than eight (8) children under the age of twelve (12) (including the provider's own children) and which do not have any outside employees. ... Daycare homes which receive from nine (9) to twelve (12) children under the age of twelve (12) (including the provider's own children) or which have one (1) or more outside employees. Group daycare homes.
Home Business by City in DuPage County
1 cities in DuPage County have their own home business rules. Each link goes to that city's dedicated page with code citations.
All DuPage County ordinances
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