Building permits, zoning and land rules in Effingham County, Illinois

No county building permit or certificate of occupancy is required for ordinary construction in unincorporated Effingham County, Illinois¹. That answer may change inside a municipality or within a municipality's one-and-one-half-mile extraterritorial area, so ask the adjacent municipality whether it has jurisdiction over the parcel². The Illinois Code Directory reports that Effingham County adopted a National Fire Prevention Association building code in 1999 without local amendments, but the directory does not specify its scope or enforcement process⁵. Illinois also established statewide building-code baseline requirements effective in 2025⁶. New or substantially improved commercial buildings in a jurisdiction without an adopted building code need a qualified inspector's compliance statement; that rule does not establish a residential inspection requirement⁶. Ask the Highway Department which standards apply even though the county issues no ordinary building permit¹. An owner may build their own home on unincorporated land because there is no county building-permit process from which to seek an exemption, although trade-specific rules may still apply¹.

Effingham County has no building department issuing permits for ordinary construction on unincorporated land; the Effingham County Highway Department is the practical first call to confirm the no-permit answer and address road issues¹. The county Transportation Committee reviews subdivisions outside municipal and municipal extraterritorial jurisdiction, and a final plat must be approved and recorded before a subdivision lot is conveyed^3,7. A land division intended solely for agricultural use or production is excluded from the county ordinance's definition of a subdivision, unless it establishes or dedicates a public street or alley; state plat-filing rules may still apply³. Preliminary-plat review costs $100 plus $10 per lot, and separate public-improvement review and inspection fees may apply³. Work in a county or township right-of-way still needs approval; a county right-of-way applicant must notify the Highway Department at least 72 hours before construction and again when work is complete⁸. Subdivision access also needs written approval from the authority controlling the road³.

Effingham County has no countywide zoning ordinance, but zoning varies by municipality^1,2. Some municipalities exercise zoning and subdivision authority within one and one-half miles beyond their limits; the county specifically identifies possible municipal jurisdiction around Effingham and Teutopolis^1,2. On land governed only by county rules, RV, tiny-home, manufactured-home and accessory-dwelling occupancy are allowed as a matter of county zoning¹. County zoning sets neither a minimum dwelling size nor a lot-coverage limit there, though subdivision, septic, highway and airport rules still apply¹. Subdivision lots with both public or community sewer and public water need at least 12,000 square feet and 100 feet of width at the building line³. Most county and state highways have a 90-foot centerline setback; township roads have no stated setback, though the county recommends at least 40 feet¹. Structures near Effingham County Memorial Airport face height restrictions whose boundary and limits must be confirmed with the Illinois Division of Aeronautics¹.

The Effingham County Health Department administers private sewage disposal rules throughout the county⁴. A valid Health Department permit is required before constructing, altering or extending an individual domestic sewage system, and the application must include site information and a complete system plan^4,9. The initial permit costs $100, the department must act on an application within 15 days, and the permit becomes void after six months if construction has not begun⁴. A homeowner may install or service a system for the homeowner's own single-family residence; otherwise, the work requires a properly licensed contractor⁴. The department may refuse septic approval when a practical sanitary-sewer connection is available within 200 feet for a single-family home or within 1,000 feet for a commercial, subdivision or multifamily project⁴. Direct sewage disposal to a stream, ditch, ground surface, sinkhole or abandoned well is prohibited⁴. Only 4% of county soils are rated without severe limitations for a conventional drain field, making early soil and site review especially useful¹⁰.

RV and tiny-home occupancy, including temporary camping on private land, are allowed as a matter of county zoning in unincorporated Effingham County because the county has no zoning ordinance¹. The same county-zoning answer covers manufactured homes and accessory dwellings¹. These answers do not override municipal rules within Effingham, Teutopolis or their one-and-one-half-mile extra-territorial areas, nor do they remove septic and road requirements^1,4. A manufactured home moved since 1980 must use securing equipment that meets state standards, and installation must be by the homeowner or an Illinois-licensed installer under the manufacturer's instructions or state installation code¹¹. Illinois campground rules can separately apply when a property hosts three or more camping shelters, or space for at least ten people camping for six or more days in a calendar year, subject to the stated home-rule exception¹².

1. Confirm that the parcel is unincorporated and ask the adjacent municipality whether its zoning or subdivision jurisdiction reaches the land^2,3.

1. Check subdivision lot standards: private sewage needs at least one acre of suitable land, while a lot with public or community sewer and public water needs at least 12,000 square feet and 100 feet of width³.

1. Submit the site details, system plan and $100 fee to the Effingham County Health Department before septic installation^4,9.

1. Obtain a County Health Department permit before constructing or deepening a potable well, and give at least 48 hours' notice before work begins⁴.

1. Lay out the home at least 90 feet from most county or state highway centerlines; along a township road, treat 40 feet as guidance rather than a mandatory setback¹.

1. Obtain the controlling road authority's approval before constructing subdivision access or working in a right-of-way^3,8.

1. Build without a county building permit, but confirm applicable construction standards and any airport-height restriction^1,5,6.

First, verify the boundary between county and municipal jurisdiction because municipal zoning and subdivision authority may extend one and one-half miles beyond city limits^2,3. Review soils before relying on septic: only 4% of county soils lack severe limitations for a conventional drain field, and a new private sewage system requires Health Department approval^4,10. Check whether the tract satisfies the applicable subdivision minimum: at least one acre of suitable land with private sewage, or at least 12,000 square feet and 100 feet of width with public or community sewer and public water³. A reasonably accessible public sewer or water system may have to be extended through a subdivision, with a connection at each lot line when that utility is provided³. Confirm legal road access and identify the controlling highway authority before creating a subdivision entrance³. About 93% of county land has a slope of 15% or less, while about 22.3% is wooded¹⁰. The typical home value is about $223,021, the effective property-tax rate is about 1.5%, and the median annual property-tax bill is about $2,713¹⁰. Effingham County's operative floodplain-development ordinance and administering office could not be confirmed, so ask county government which authority handles mapped flood hazard areas¹³.