Cass County, Illinois
Chandlerville Township is a township in Cass County, Illinois. Septic permits inside Chandlerville Township come from the state health agency. 11 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Cass County page.
Chandlerville Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Projects on unincorporated land inside Chandlerville township under Cass County zoning
“the zoning officer is also responsible for the review and issuance of building permits and the processing of applications for variances, conditional uses, special use permits, and rezoning request.”
Unincorporated land inside Chandlerville township is under the Cass County zoning ordinance as administered by the Cass County zoning officer; this is county zoning, not a township ordinance
“the cass county zoning officer administers the cass county zoning ordinance. this applies to the unincorporated areas of the county as well as villages that do not have a zoning ordinance.”
Cass County zoning districts applying to unincorporated land inside Chandlerville township
“the county of cass is hereby divided into the following zoning districts”
Single-family residence in the agricultural (A) district on unincorporated land inside Chandlerville township
minimum living area: >= 800 sq ft
“the minimum living area of any residence constructed in an agricultural district must be at least eight hundred (800) square feet.”
Single-family residence or detached structure on land in the agricultural (A) district on unincorporated land inside Chandlerville township
minimum lot size: >= 3 acres
“the minimum lot size permitted for the construction of a single-family residence or detached structure in an agricultural district is a minimum of three (3) acres.”
Residences and detached structures in the agricultural (A) district on unincorporated land inside Chandlerville township
front setback from federal highway right-of-way: >= 50 feet · front setback from state highway right-of-way: >= 50 feet · front setback from county or township road right-of-way: >= 35 feet · side and rear setback: >= 35 feet
“the minimum front setback requirement for all structures constructed in an agricultural district must be at least fifty (50) feet from federal highway right-of way, fifty (50) feet from state highway right-of-way and thirtyfive (35) feet from county or township road right-of-way.”
Private sewage disposal systems built inside Chandlerville township, including land in the village of Chandlerville
“the illinois department of public health (idph) regulates the installation of all private sewage disposal systems that have no surface discharge”
Private sewage disposal systems built inside Chandlerville township
“staff also review and approve plans for private sewage disposal systems and alternative private sewage disposal systems before construction.”
Agricultural land use on unincorporated land inside Chandlerville township
“in accordance with 55 ilcs 5/5-12001 shall not be construed to impose regulations or require permits with respect to such agricultural purposes, except to the extent of the regulations and restrictions for: (i) building or set back lines for agricultural buildings or structures as herein specified; and (ii) the minimum lot size for residences on land used for agricultural purposes.”
Development on land in the flood plain on unincorporated land inside Chandlerville township
channel setback from waterway: >= 100 feet (boathouses)
“1. location of principal building – no principal building shall be located on the flood plain. 2. channel setback line – all buildings and structures except boathouses shall be set back from a waterway at least 100 feet.”
Building permit application process for unincorporated land inside Chandlerville township
“property owners and contractors can obtain applications for building permits and receive assistance by contacting the cass county zoning officer.”
We looked and could not find an official answer yet. Silence is not permission; ask Chandlerville Township or Cass 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 Chandlerville Township publishes no rule on the point, not that none exists. Cass County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Chandlerville Township means bringing your own water and power. The kit we’d start with:
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