Tazewell County, Illinois
Dillon Township is a township in Tazewell County, Illinois. Septic permits inside Dillon Township come from Tazewell County (Tazewell County Health Department · 309-925-5511). 13 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.
Dillon Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Construction of structures other than commercial and industrial buildings in unincorporated Dillon township
“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”
Homeowner doing their own work on a dwelling in unincorporated Dillon township
“anyone other than the homeowner doing their own work must provide a copy of a valid state of illinois plumbing license”
New residential construction on land in unincorporated Dillon township, reviewed by Tazewell County Community Development
“plans are reviewed for compliance with the following codes: tazewell county zoning code, current state of illinois plumbing code part 890, 2018 international residential code, 2017 national electrical code, 2018 international mechanical code and illinois energy conservation code-most current edition.”
Land inside Dillon township that is outside incorporated municipalities is subject to the Tazewell County zoning code (Chapter 157). This is a county rule, not a Dillon township ordinance.
“pursuant to 55 ilcs 5/5-12001 et seq., the county’s zoning ordinance is adopted for the purpose of:”
Tazewell County zoning districts that apply in unincorporated Dillon township, as named in the county brochure
“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'”
Principal and accessory structures in the A-1 and A-2 (agricultural) districts of unincorporated Dillon township, as shown in the county brochure (the brochure groups A-1, A-2 with conservation districts)
principal structure rear yard setback: 50 ft · principal structure side yard setback: 30 ft · accessory structure rear yard setback: 25 ft · accessory structure side yard setback: 15 ft
“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 for a new dwelling in Dillon township, which is in unincorporated Tazewell County
“septic permit or written approval from the tazewell county health department (309-477-2223)”
New home or addition in Dillon township that needs sewage disposal, as set by the Tazewell County Health Department
“copy of septic permit from the tazewell county health department approving sewage disposal facility, when applicable.”
New dwelling in unincorporated Dillon township, in terms of sanitary sewer hookup
“or, an appropriate letter from the sanitary district stating that owners have applied for hookup.”
County building permit fees for residential work in unincorporated Dillon township
1-2 family dwelling permit, 200 sq ft or less: 200 USD · 1-2 family dwelling permit, 201 to 699 sq ft: 300 USD · 1-2 family dwelling permit, 700 to 1,000 sq ft: 400 USD · 1-2 family dwelling permit, 1,001 to 2,000 sq ft: 450 USD · 1-2 family dwelling permit, 2,001 to 3,000 sq ft: 500 USD · 1-2 family dwelling permit, 3,001 to 4,000 sq ft: 550 USD · 1-2 family dwelling permit, over 4,000 sq ft: per 50 USD per 1,000 sq ft or fraction · 911 addressing fee: 50 USD
“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”
Residential building permit process in unincorporated Dillon township
“applications are accepted and permits issued between 8:00 a.m. and 4:30 p.m. monday through friday.”
We looked and could not find an official answer yet. Silence is not permission; ask Dillon 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 Dillon 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 Dillon Township means bringing your own water and power. The kit we’d start with:
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