ADU rules in Skokie, IL β also called accessory dwelling unit regulations or granny flat ordinances β cover setbacks, owner-occupancy, parking, and permit requirements.
Skokie's zoning code does not broadly permit accessory dwelling units (ADUs) in single-family residential districts. Two-flat and multi-family zones permit multiple dwellings by right. Some legacy in-law arrangements exist but new ADUs are generally not permitted without a zoning variance. The Village has studied ADU policy but has not adopted a broad authorization ordinance as of the most recent code updates.
Skokie's zoning code restricts single-family residential districts (R-1 and R-2) to one dwelling unit per lot. Accessory structures may not contain a second dwelling unit with independent cooking, sleeping, and sanitation facilities. Two-flat (R-3) and multi-family districts permit multiple dwellings as the principal use. Creating a second dwelling unit within or behind a single-family home without a zoning change or variance is generally prohibited. Unlike Evanston and Chicago, both of which adopted ADU ordinances in recent years, Skokie has not formally authorized residential ADUs village-wide. The Skokie Plan Commission has at times discussed ADU policy in the context of housing affordability and changing household needs, but no broad authorization has been codified. Legacy second units that predate zoning may continue as legal nonconforming uses if documented. Homeowners interested in creating a legal ADU typically need to apply for a zoning variance or special use permit through the Zoning Board of Appeals, which is a discretionary process. Cook County property tax assessments may also be affected by adding a second dwelling unit.
Creating an unpermitted ADU or illegal second dwelling is a zoning violation with fines beginning at $150 per day. The Village may order the unit vacated and removed. Cook County may pursue unpaid property taxes for unreported units. Tenants of unpermitted units may face displacement. Contact Code Enforcement at (847) 933-8284 or Community Development at (847) 933-8447.
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Side-by-side rule comparisons with other cities in Cook County.
See how other cities in Cook County handle adu rules.
See how Skokie's adu rules rules stack up against other locations.
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