Tazewell County, Illinois
Fondulac Township is a township in Tazewell County, Illinois. Septic permits inside Fondulac Township come from Tazewell County (Tazewell County Health Department · 309-925-5511). 10 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Tazewell County page.
Fondulac Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
New dwellings and other structures other than commercial and industrial on land inside Fondulac township that is unincorporated Tazewell County land
“prior to the issuance of a building permit by the tazewell county community development department for construction of all structures other than commercial and industrial”
New construction (other than commercial and industrial) on land inside Fondulac township that is unincorporated Tazewell County land; the county's permit review applies there
“plans are reviewed for compliance where applicable with the tazewell county code, state of illinois plumbing code, 2018 international residential code, 2017 national electric code and illinois energy conservation code”
County zoning districts that apply to unincorporated land inside Fondulac township
“a-1, a-2 & cons. 50' 30' 25' 15' c-1 & c-2 20' 10' 5' 5' i-1 & i-2 20' 15' 10' 10'”
Principal and accessory structure rear and side yard setbacks in the county A-1 and A-2 agricultural districts (and the 'cons.' district as listed in the same row), for land inside Fondulac township that is unincorporated Tazewell County land
principal structure rear yard setback, A-1 and A-2: 50 feet · principal structure side yard setback, A-1 and A-2: 30 feet · accessory structure rear yard setback, A-1 and A-2: 25 feet · accessory structure side yard setback, A-1 and A-2: 15 feet
“rear & side yard setbacks principal structure accessory structure rear side rear side r-1 & r-2 20' 10' 5' 5' r-r 30' 30' 15' 15' a-1, a-2 & cons. 50' 30' 25' 15' c-1 & c-2 20' 10' 5' 5' i-1 & i-2 20' 15' 10' 10'”
“rear & side yard setbacks principal structure accessory structure rear side rear side r-1 & r-2 20' 10' 5' 5'”
“rear & side yard setbacks principal structure accessory structure rear side rear side r-1 & r-2 20' 10' 5' 5' r-r 30' 30' 15' 15' a-1, a-2 & cons. 50' 30' 25' 15' c-1 & c-2 20' 10' 5' 5' i-1 & i-2 20' 15' 10' 10'”
Sewage disposal (septic) for a new home on land inside Fondulac township that is not served by public sewer; the Tazewell County Health Department approves the sewage disposal facility
“copy of septic permit from the tazewell county health department approving sewage disposal facility, when applicable.”
New home construction served by an on-site sewage disposal facility on land inside Fondulac township
septic permit processing time: 2 working days (approximate, per brochure)
“note; takes approximately 2 working days - check with health department. (309) 477-2223”
Building permit fees for 1- and 2-family dwellings (new, additions, alterations and repairs) on unincorporated land inside Fondulac township
dwelling permit fee, 200 square feet or less: 200 USD · dwelling permit fee, 201 to 699 square feet: 300 USD · dwelling permit fee, 700 to 1,000 square feet: 400 USD · dwelling permit fee, in excess of 4,000 square feet: per 50 USD per 1,000 square feet or fraction thereof
“dwellings: 1 & 2 family - new, additions, alteration and repairs • 200 square feet or less $200.00 • 201 to 699 square feet $300.00 • 700 to 1,000 square feet $400.00 • 1,001 to 2,000 square feet $450.00 • 2,001 to 3,000 square feet $500.00 • 3,001 to 4,000 square feet $550.00 • in excess of 4,000 square feet $50.00 per 1,000 square feet or fraction thereof”
Building permit application process for non-commercial construction on unincorporated land inside Fondulac township
“1. completed building permit application and all mechanical permits the applications can be found online at www.tazewell-il.gov or contact office staff.”
We looked and could not find an official answer yet. Silence is not permission; ask Fondulac Township or Tazewell 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 Fondulac Township publishes no rule on the point, not that none exists. Tazewell County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Fondulac Township means bringing your own water and power. The kit we’d start with:
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