Kankakee County, Illinois
Sumner Township is a township in Kankakee County, Illinois. Septic permits inside Sumner Township come from Kankakee County (Kankakee County Health Department, Environmental Health / Septic Program · 815-802-9400). 16 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Kankakee County page.
Sumner Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Building work in unincorporated Kankakee County, including land inside Sumner township outside any municipality (new homes, additions, manufactured homes, sheds and similar work are listed as examples)
“Building activity in the unincorporated areas of the County may require a building permit. Below are examples of projects which require a building permit”
Building construction in unincorporated Kankakee County, including land inside Sumner township outside any municipality
“Building Codes have been adopted by the County to ensure the health, safety and welfare of all County residents.”
Permitted building work in unincorporated Kankakee County, including Sumner township land outside municipalities
inspection notice: >= 48 hours (county will try to accommodate but does not guarantee a time)
“Inspections are required periodically throughout the construction period.”
Land inside Sumner township that is outside any municipality: the Kankakee County zoning ordinance (Chapter 121) applies because the county administers zoning there. This is county zoning, not a township-adopted ordinance.
“Kankakee County regulates the zoning for parcels located outside of municipal boundaries.”
Zoning districts in unincorporated Kankakee County, including Sumner township land outside municipalities
“A-1 (Agriculture) [...] A-2 (Agriculture Estate) [...] R1 (Residential) [...] R2 (High-Density Residential) [...] RE (Rural Estate) [...] C1 (Restricted Commercial) [...] C2 (General Commercial) [...] I1 (Light Industrial) [...] I2 (Industrial)”
Principal structures in the A-1 (Agriculture) district, unincorporated Kankakee County, including Sumner township land outside municipalities
front setback: 50 feet · side setback (interior lot): 30 feet (50 feet on a corner lot) · rear setback: 100 feet
“The setbacks outlined below are for principal structures: [...] A-1 (Agriculture) | 50 feet | 30 feet - interior / 50 feet - corner lot | 100'”
“R1 (Residential) | 30 feet | 6 feet - interior / 30 feet - corner lot | 40'”
“RE (Rural Estate) | 50 | 20 feet - interior / 50 feet - corner lot | 50'”
“No accessory structures shall be nearer than 10 feet from the principal structure or 5 feet from an interior lot line.”
Septic systems on unincorporated land inside Sumner township, handled by the Kankakee County Health Department
“KCHD Issues septic system permits, conducts inspections to ensure proper installation, conducts evaluation of existing systems, conducts dye tests to determine possible failures, evaluates findings, and makes recommendations.”
New septic systems on unincorporated land inside Sumner township
“KCHD Issues septic system permits, conducts inspections to ensure proper installation”
Division of a farmstead from an agricultural parcel in unincorporated Kankakee County (farmstead exemption)
farmstead exemption application fee: 100 USD (plus plat of survey)
“In July 2002 the Kankakee County Board adopted the farmstead exemption application. This process allows property owners wishing to divide a farmstead from an agricultural parcel, provided all application criteria is met.”
Land division and development in unincorporated Kankakee County, including Sumner township land outside municipalities
“The County Subdivision Ordinance is part of the County Code. This document outlines procedures and requirements for the subdivision of land, creation of plats, vacation of plats, construction and engineering standards and a variance process.”
New driveways on county roads in unincorporated Kankakee County, including Sumner township land outside municipalities (commercial and industrial parcels differ)
driveway spacing along highway frontage: per 330 feet (one driveway per 330 feet; no driveway nearer than 100 feet from another access point)
“There shall be allowed one driveway per every 330 feet of highway frontage. However, no driveway shall be nearer than 100 feet from another access point. *Note: Commercial and Industrial parcels have requirements different than those above.”
Zoning applications only (rezoning, special use, variance) in unincorporated Kankakee County; not building permit fees
rezoning or special use base fee: 600 USD (plus $30 per acre (1-50 acres), $20 per acre (51-100 acres), $10 per acre over 100) · variance fee: 280 USD
“Rezonings and Special Uses have a base fee of $600, plus an additional charge of $30 per acre for the first 50 acres, $20 per acre for 51 to 100 acres, and $10 per acre for each acre over 100.”
Building and development permit process in unincorporated Kankakee County
“Whether you’re developing land, building or expanding a building or just remodeling an existing one, the process starts the same way. It all starts with a visit to the Planning Department.”
We looked and could not find an official answer yet. Silence is not permission; ask Sumner Township or Kankakee County directly.
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.
Unanswered questions are usually a sign that Sumner Township publishes no rule on the point, not that none exists. Kankakee County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Sumner Township means bringing your own water and power. The kit we’d start with:
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