Madison County, Illinois
Pin Oak Township is a township in Madison County, Illinois. Septic permits inside Pin Oak Township come from Madison County (Madison County Planning & Development — Private Sewage Permits & Inspections · (618)296-4663). 16 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Madison County page.
Pin Oak 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 home construction on land inside Pin Oak township outside any municipality, permitted by Madison County Planning and Development
review time: >= 72 hours (allow at least 72 hours for the review process)
“you must apply for and be issued a building permit prior to beginning construction. allow at least 72 hours for the review process.”
Owner-builders of a new home on land inside Pin Oak township outside any municipality
“yes, as long as the dwelling will be their primary residence, the owner may do all of the work with the exception of installing an aerobic treatment unit.”
Residential and commercial construction on land inside Pin Oak township that is outside any municipality, under Madison County building review
building code edition: 2024 International Building Code
“madison county uses the 2024 international building code when reviewing building plans for commercial and residential projects.”
New home construction on land inside Pin Oak township outside any municipality
“no, the new home may not be occupied until the final inspection has been conducted and the building inspector has issued a certificate of occupancy.”
New home occupancy on land inside Pin Oak township outside any municipality
certificate of occupancy fee: 30 USD (listed in the new home permit fee list)
“no, the new home may not be occupied until the final inspection has been conducted and the building inspector has issued a certificate of occupancy.”
County zoning districts that apply to unincorporated land inside Pin Oak township, if the county zoning ordinance governs the parcel
“the entire county of madison is divided into the following districts”
One single-family dwelling on an agricultural tract in the A agricultural district of Madison County zoning on land inside Pin Oak township outside any municipality (if the parcel is in the A district)
minimum tract area: >= 2 acres (contiguous tract under single ownership) · minimum lot width at front property line: >= 40 feet
“one single family detached dwelling may be situated as a permitted use on any contiguous agricultural tract under single ownership of at least two acres in area with a minimum lot width of forty feet at the front property line and 150 feet in width at the minimum front yard setback line (50 feet from the front property line).”
A second kitchen or mother-in-law suite inside a single-family home on land inside Pin Oak township outside any municipality, under county zoning
“no, by definition this constitutes multi-family housing and is not permitted.”
Private sewage systems on land inside Pin Oak township outside any municipality
“inspections and permits for the installation of private sewage systems in accordance with state of illinois and u.s. epa requirements”
Installation of a private sewage system for a new home on land inside Pin Oak township outside any municipality
sewage disposal system fee: 200-250 USD (if applicable, per new home permit fee list)
“inspections and permits for the installation of private sewage systems in accordance with state of illinois and u.s. epa requirements”
Installation of private sewage systems on land inside Pin Oak township outside any municipality
“inspections and permits for the installation of private sewage systems in accordance with state of illinois and u.s. epa requirements”
Subdivision of land inside Pin Oak township outside any municipality
“this includes planning, zoning administration, building permits and inspections, subdivision review, site development, and code enforcement.”
New home building permits in unincorporated Madison County, including land inside Pin Oak township outside any municipality
“we have updated our requirements and now require an approved private entrance application at the time of submittal for your new home building permit.”
New home construction in any 100-year floodplain on land inside Pin Oak township outside any municipality
finished floor elevation above base flood elevation: >= 2 feet
“if any part of the proposed structure is located in the 100 year floodplain, you must provide an elevation certificate from a licensed surveyor or engineer indicating that the finished floor elevation is two (2) feet above the base flood elevation.”
New home permit fees in unincorporated Madison County, including land inside Pin Oak township outside any municipality
building permit fee: 0.15 USD per square foot (based on total square footage, not living space) · electrical fee: 50 USD · plumbing fee: 60 USD · sewage disposal system fee: 200-250 USD (if applicable) · certificate of occupancy fee: 30 USD
“how much does a new home permit cost? a new home permit is subject to the following fees:”
Building permit application process for new homes in unincorporated Madison County, including land inside Pin Oak township outside any municipality
“you must apply for your building permit in-person at the planning and development department between the hours of 8:30 am and 4:00 pm, monday through friday, except county holidays.”
We looked and could not find an official answer yet. Silence is not permission; ask Pin Oak Township or Madison 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 Pin Oak Township publishes no rule on the point, not that none exists. Madison County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Pin Oak Township means bringing your own water and power. The kit we’d start with:
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