Waukegan's Building Setbacks & Zoning: The Rules That Matter

Every city handles building setbacks & zoning a little differently. In Waukegan, Illinois, there are 3 distinct rules that residents and property owners should be aware of. Some are stricter than what neighboring cities enforce, and others are more relaxed. Here is what you need to know.

Setback Rules

Waukegan's Table 8.10-1 sets minimum yard setbacks by residential district: R1 requires a 40-60 foot front yard and 40-75 foot rear yard, while the densest R5 district allows setbacks as small as 15 feet front, 5 feet interior side, and 20 feet rear.

Key details: R1 front setback: 40 to 60 feet, by lot-width tier. R5 front setback: 15 feet flat. R1 rear setback: 40 to 75 feet, by lot-width tier. R2-R4 interior side setback: As low as 6 feet. Front setback averaging: Allowed in R2/R3, floor of 20 ft..

Building or extending a structure inside the Table 8.10-1 minimums without a variance is a Zoning Administrator enforcement matter under the UDO's nonconformity provisions in Section 6; a permit will not issue for construction that violates the applicable setback, and an existing nonconforming setback encroachment cannot be enlarged or extended under Sec. 6.04.C absent one of the Ordinance's specific exceptions, such as repairs ordered by the Building Commissioner or an ADA accommodation.

Lot Coverage Limits

Waukegan limits every accessory structure, alone or combined with other impervious ground cover, to 40 percent of any yard on the lot, and the aggregate area of all accessory structures across every yard combined cannot exceed that same 40 percent under UDO Section 9.03.A.5.

Key details: Single yard cap: 40% of that yard for accessory structures. Combined with pavement: Still capped at 40% of the yard. All yards aggregated: 40% of all yards combined, citywide rule. Size limit: Can't exceed principal structure's footprint or dimension.

Building or paving beyond the 40 percent yard-coverage threshold, whether from one oversized shed, a combination of structures and pavement, or an accumulation of accessory structures across multiple yards, is a zoning code violation. The Zoning Administrator can require the excess structure, pavement, or pool decking be reduced or removed to bring the lot back into compliance with Section 9.03.A.5.

Structure Height Limits

Waukegan caps principal residential building height at 45 feet in the R1, R2 and R3 Districts, rising to 60 feet in R4 and 80 feet in R5, per Table 8.10-1. Commercial districts run much higher, up to 220 feet in the Entertainment District.

Key details: R1-R3 max height: 45 feet. R4 max height: 60 feet. R5 max height: 80 feet. B4 Downtown max height: 160 feet, 60 ft. min. on Sheridan Rd.. Entertainment District max: 220 feet.

A structure built above its district's Table 8.10-1 or Table 8.07-2 height cap without an approved variance is a zoning violation enforceable by the Building Commissioner and Zoning Administrator; Sec. 8.05.B.5 bars any post-effective-date enlargement or reconstruction that would put an existing building into height nonconformance, and relief requires a variance under Section 4.04 rather than administrative sign-off.

The Bottom Line

Waukegan's building setbacks & zoning rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Waukegan is broadly strict or permissive.

Keep in mind that Waukegan can amend these rules at any council meeting. For the most current version of any rule mentioned here, check the specific ordinance page, where we track updates as they happen.