Zoning, building permits and septic rules in Le Roy, Illinois

Le Roy’s own rules

• Building permitRequired

  Building construction and uses of property inside Le Roy city limits regulated by Chapter 9-1

  • Permits are issued by the code compliance officer, who acts as zoning administrator and building official.
  • Permit fees are payable in addition to water tap, sewer connection and inspection fees (§ 9-1-3 IBC amendment text).

  “b. issue or cause to be issued all permits required for building construction and uses of property regulated by this chapter.”

• Building code adoptedAdopted (with conditions)

  All buildings and structures inside Le Roy city limits

  • Adopted with city amendments as set out in § 9-1-3 (insert city name, section 101.2 scope change, and other listed amendments).
  • The Le Roy building code controls over conflicting codes and state law where it sets the highest standard for health and safety (§ 9-1-2 b.).

  International Building Code edition: 2021 (with city amendments)

  “1. adoption of the international building code 2021 with amendments. there is hereby adopted by the city of le roy for the purpose of establishing rules, standards, regulations and procedures”

• Certificate of occupancyRequired

  Any building erected inside Le Roy city limits, and any altered building that changes use group

  • Certificate issued by the code compliance officer before use or occupancy (IBC new buildings section as amended).
  • Altered buildings: use must be discontinued within 30 days after completion of alteration unless the certificate is secured.

  “no person shall use or occupy or permit use or occupancy in whole or in part of, any building hereafter erected until a certificate of use or occupancy shall have been issued by the code compliance officer.”

• Local zoningPresent (with conditions)

  Land inside Le Roy city limits. Le Roy city adopts and administers its own zoning title (Title 10, Zoning Regulations) with its own districts and official zoning map.

  • The city's zoning title is enforced by the building division under the code compliance officer (Ch. 9-1, zoning enforcement function).
  • Zoning title 10 applies inside the corporate limits; the original official zoning map is the final authority on zoning status (§ 10-4-2).
  • Territory annexed to the city is automatically classified A Agricultural until reclassified by amendment (§ 10-4-4).
  • The eCode360 table of contents states it includes legislation through 05-18-2026 (currency statement, not an effective date).

  “in order to carry out the purposes and provisions of this title, the city is hereby divided into the following districts: a agricultural district r-1 one- and two-family residential district r-2 general residential district r-3 mobile home district”

• Zoning districtsPublished (with conditions)

  Land inside Le Roy city limits

  • Districts listed in § 10-4-1: A agricultural, R-1 one- and two-family residential, R-2 general residential, R-3 mobile home, C-1 central commercial, C-2 highway-oriented commercial, I-1 light industrial, I-2 heavy industrial, B-O-I business/office/industrial.
  • The official zoning map is incorporated by § 10-4-2 and is kept at the city clerk and code compliance officer offices; map publication is annual by resolution by March 31.

  “in order to carry out the purposes and provisions of this title, the city is hereby divided into the following districts: a agricultural district r-1 one- and two-family residential district r-2 general residential district r-3 mobile home district”

• Minimum lot sizeDistrict specific (with conditions)

  R-2 General Residential District lots inside Le Roy city limits

  • Lot area is 9,000 sq ft; 8,000 sq ft for lots platted prior to December 13, 1973; 3,000 sq ft per multiple-family dwelling.
  • Lot width 75 feet; 66 feet for lots platted before December 13, 1973.

  minimum lot area: >= 9000 square feet (8,000 sq ft for lots platted prior to 1973-12-13; 3,000 sq ft per multiple-family dwelling) · minimum lot width: >= 75 feet (66 feet for lots platted before 1973-12-13)

  “the following minimum requirements shall be observed: 1. lot area: a. nine thousand square feet. b. eight thousand square feet for lots platted prior to december 13, 1973. c. three thousand square feet for multiple-family dwellings.”

• SetbacksDistrict specific (with conditions)

  Principal and accessory structures in the R-2 General Residential District inside Le Roy city limits

  • Principal structures: front 25 ft, rear 25 ft, side 10 ft.
  • Accessory structures: front 25 ft, rear 5 ft, side 10 ft.
  • Front yards for lots platted before December 13, 1973 may be reduced to the average of existing dwellings on the block, but not less than 15 feet; rear 25 ft; side not less than 10% of lot width and not less than 5 ft (§ 10-6B-4 b.3).

  principal front yard: 25 feet (average-of-block rule for pre-1973 lots, minimum 15 feet) · principal rear yard: 25 feet · principal side yard: 10 feet · accessory rear yard: 5 feet (no rear/side yard requirement where bordered by a city-owned alley)

  “no principal structure shall encroach upon the following setbacks: (1) front yard: 25 feet. (2) rear yard: 25 feet. (3) side yard: 10 feet.”

• Building heightSpecified

  R-2 General Residential District inside Le Roy city limits

  • Principal structures: maximum three stories or 35 feet.
  • Accessory structures: maximum one story or 15 feet, measured from finished floor to the roof line type listed in § 10-6B-4 a.2.

  principal structure maximum height: <= 35 feet (also limited to three stories) · accessory structure maximum height: <= 15 feet (also limited to one story)

  “no principal structure shall exceed three stories or 35 feet in height.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Le Roy or McLean County directly.

• Owner-builder exemption — Owner-builder construction inside Le Roy city limits
• Minimum dwelling size — Minimum dwelling floor area inside Le Roy city limits
• Lot coverage — Lot coverage inside Le Roy city limits
• Living in an RV — Occupancy of recreational vehicles inside Le Roy city limits
• Camping on your land — Temporary camping inside Le Roy city limits

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Off-grid gear

Going off-grid in Le Roy means bringing your own water and power. The kit we’d start with:

• Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
• Power Bluetti Solar generators and home battery backup for living off the grid.
• Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
• Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.

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