Title
Ordinance amending Chapter 151: Unified Development Ordinance of the Lake County, Illinois Code of Ordinances.
Staff Summary
Planning, Building and Development staff periodically recommend updates to the Unified Development Ordinance (UDO) to respond to new trends and conditions, emulate regulatory best practices, improve the regulatory process, and clarify technical matters.
Attached are a comprehensive series of proposed amendments to the UDO, relating to accessory dwelling units, sustainable development incentives, and other miscellaneous substantive and housekeeping updates to Chapter 151.
The Lake County Zoning Board of Appeals (ZBA) conducted a public hearing on September 30, 2026, for consideration of Exhibits A, B, and C and unanimously recommended approval of the amendments as presented. Separately, the Planning, Building, Zoning and Environment Committee (PBZE) has concluded a public hearing on October 28, 2026, for consideration of Exhibit D.
These separate amendment packets are now combined into a consolidated packet, identified as Group Exhibit 1, to simplify the adoption and codification process. Following PBZE Committee action, the Ordinance will become effective upon County Board adoption of Group Exhibit 1.
Body
ORDINANCE
WHEREAS, the Lake County Board adopted the Unified Development Ordinance of Lake County, Illinois on April 11, 2000; and
WHEREAS, the Lake County Board incorporated the Lake County Unified Development Ordinance into the Lake County, Illinois Code of Ordinances as Chapter 151 of the Lake County, Illinois Code of Ordinances on February 10, 2015; and
WHEREAS, the regulations specified in Chapter 151 of the Lake County, Illinois Code of Ordinances requires periodic review to maintain relevancy and address changing conditions; and
WHEREAS, the Planning, Building, Zoning and Environment Committee was of the opinion that necessary steps should be taken by the Lake County Board to initiate the public hearing process to fa...
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