Will County, Illinois
Green Garden Township is a township in Will County, Illinois. Septic permits inside Green Garden Township come from Will County (Will County Health Department — Private Sewage Program (Joliet Main Office) · 815-727-8490). 9 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Will County page.
Green Garden Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Will County zoning district map covering unincorporated land inside Green Garden township, if county zoning is the zoning in effect there
“it is the intent that the entire unincorporated area of the county, including all land and water areas, rivers, streets, alleys, railroads, and other right-of-ways, be included in the districts established by this zoning ordinance.”
R-1 residential district (main single-family district) in unincorporated Will County, applied to land inside Green Garden township under county zoning
minimum lot area: >= 60000 square feet (R-1 district only; general exceptions in § 155-18.10)
“l1 minimum lot area (square feet) 215,000 105,000 60,000 40,000 30,000 20,000 12,500 10,000 10,000”
“l1 minimum lot area (acres) 10[1] 2.5 l2 minimum lot frontage (feet) 300 300”
R-1 residential district (main single-family district) in unincorporated Will County, applied to land inside Green Garden township under county zoning
street setback from row of dedicated road: 57 feet (row s1b; 90 feet from centerline of non-dedicated road (row s1a)) · side setback: 15 feet (row s2) · rear setback: 70 feet (row s3) · rear setback accessory structures: 5 feet (row s4)
“s1b street (from row of dedicated road) 67 67 57 47 47 30 30 30 30 s2 side 20 20 15 10 10 10 10 5 5/10[2] s3 rear 80 80 70 40 40 40 30 25 25”
“s1 street (from cl of road) 100 100 s2 side 50 20 s3 rear 50 50”
A-1 agricultural district in unincorporated Will County, applied to land inside Green Garden township under county zoning
maximum building coverage: <= 20 percent (A-1 column)
“b1 maximum building coverage (%) 20 20 maximum accessory building area (square feet) none 3,000 [4]”
“b1 maximum building coverage (%) [5] 20 20 20 20 25 30 40 45 45”
A-1 agricultural district in unincorporated Will County, applied to land inside Green Garden township under county zoning
accessory building height: <= 25 feet (does not apply to farm buildings (footnote [3]) or attached garages (footnote [5])) · principal building height: per will co. building ord. (cross-reference to the county building ordinance)
“accessory buildings [3] [5] 25 25 all other per will co. building ord.”
Private wastewater treatment systems in Green Garden township, administered by the Will County Health Department Environmental Health Division
“the will county health department environmental health division provides inspections of water wells, waste water treatment systems and non-community public water supplies.”
We looked and could not find an official answer yet. Silence is not permission; ask Green Garden Township or Will 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 Green Garden Township publishes no rule on the point, not that none exists. Will County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Green Garden Township means bringing your own water and power. The kit we’d start with:
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