Elgin, IL Building Setbacks & Zoning: Setback Rules (2026)
Key Facts
- Street setback
- 25 feet minimum
- Side setback
- 6 feet (14 feet combined)
- Interior lot line setback
- 6 feet minimum
- Rear setback
- 30 feet minimum
- Minimum lot area
- 7,500 sq ft per dwelling unit
- Minimum lot width
- 60 linear feet
Summary
In Elgin's RC1 Residence Conservation District, § 19.20.135(E) sets a 25-foot minimum street setback, 6-foot side setbacks (14 feet combined both sides), a 6-foot interior lot line setback, and a 30-foot rear setback, on top of a 7,500-square-foot minimum lot area and 60-foot minimum lot width under the same section.
E.Setbacks by lot line. In the RC1 zoning district, the minimum required building setbacks for a zoning lot shall be as follows:1.Street setback. The minimum required building setback from a street lot line shall be twenty-five (25) linear feet.2.Side setback. The minimum required building setback from a side lot line shall be six (6) linear feet. The combined width of the side setbacks from the side lot lines shall not be less than fourteen (14) linear feet.3.Interior setback. The minimum required building setback from an interior lot line shall be six (6) linear feet.4.Rear setback. The minimum required building setback from a rear lot line shall be thirty (30) linear feet.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 7).
Full Breakdown
135 governs site design in Elgin's RC1 Residence Conservation District. Before reaching setbacks, it fixes the buildable envelope itself: a minimum zoning lot area of 7,500 square feet per dwelling unit (subsection B) and a minimum lot width of 60 linear feet (subsection C). The setback minimums in subsection E then apply from each lot line: 25 linear feet from a street lot line, 6 linear feet from each side lot line with the two sides required to total at least 14 linear feet combined, 6 linear feet from an interior lot line, and 30 linear feet from the rear lot line.
400, which bars overlapping setbacks between structures, can require an averaged setback where half or more of the lots on a block share a mapped district, and sets a 20-foot building setback (8 feet for vehicle use areas) from any private street or driveway on a lot with multiple principal buildings. 500. 900.
Violations & Fines
Constructing a principal building or addition that encroaches into the § 19.20.135(E) street, side, interior, or rear setback without an approved variation is a zoning violation subject to a stop-work order and required removal or relocation of the encroaching portion of the structure; relief from the numeric minimums is available only through a variation granted under chapter 19.70, not by administrative waiver.
Frequently Asked Questions
How far must a house sit from the street in Elgin's RC1 district?
What are the side yard setback rules in Elgin's RC1 district?
How big must my lot be to build in Elgin's RC1 district?
Can I get a variance from Elgin's setback rules?
Sources & Official References
Other rules in Elgin
Compare Elgin to another location·View the Illinois building setbacks & zoning overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.
Setback Rules in Nearby Cities
How other cities in this county handle setback rules.