Cook County Zoning Changes & DecisionsDelivered Same-Day

The Cook County Department of Building and Zoning oversees all building and zoning matters in the unincorporated areas of Cook County and the Forest Preserves. Administration of the Zoning Ordinance is exercised through a Zoning Administrator in that Department, who reviews and approves permits for the use of land or buildings and issues certificates of occupancy. The Zoning Ordinance applies only to unincorporated areas; property inside an incorporated municipality is governed by that city or village, not the County.

The Zoning Board of Appeals holds public hearings on zoning matters in unincorporated Cook County, including map amendments (rezonings), special uses, and variances. It consists of seven members: five voting members appointed by the President of the Cook County Board of Commissioners with the Board's advice and consent, plus two ex-officio non-voting members. Its stated primary function is to aid the public in considering all rezoning appeals pertaining to land uses in the unincorporated areas.

The County distinguishes three main forms of zoning relief. A variance is a grant of relief from the requirements of the Cook County Zoning Ordinance that permits construction in a manner the Ordinance would otherwise prohibit. A special use is a use subject to special provisions because of unique characteristics that do not allow it to be classified as a permitted use, and it requires a special use permit under Article 13. A map amendment means to rezone a property's zoning designation. The Zoning Administrator may also approve minor administrative adjustments of ten percent or less without a public hearing.

The Zoning Ordinance establishes residential districts R1 through R8 (R1, R2, R3, R4, R5, R5A, R6, R7 and R8, ranging from single-family on large lots to general residence permitting multi-family) and commercial districts C1 through C8 (including C1 Restricted Business, C2 Restricted Office, C3 General Service, C4 General Commercial, C5 Commercial Transition, C6 Automotive Service, C7 Office/Research Park and C8 Intensive Commercial), along with additional business, industrial and farming/open-land districts. If an area is not shown on the Official Zoning Maps as being in any district, it is classified R1 Single-Family Residence District until reclassified by amendment.

Only the title owner of the property, their attorney, or an authorized agent (with a letter of authorization) may file, and only in the owner's name. A complete application includes non-refundable filing fees set by the County Board and payable to the Cook County Collector, one paper and one digital copy of the application, one original Plat of Survey dated within the last five years and bearing the raised seal of an Illinois Registered Land Surveyor, proof of ownership, a site plan, and written proof of the required notice to surrounding property owners. The applicant must show the proposed special use conforms to the standards in Article 13.8, and filing is done by appointment with the Zoning Administrator's Office.

Yes. ZoneWire Free sends New Meeting Alerts for Cook County at no cost, with the agenda for each meeting. ZoneWire Pro adds full transcripts, zoning and development analysis, and keyword alerts for $129 per market per month.