Boone County, Indiana
Marion Township is a township in Boone County, Indiana. Septic permits inside Marion Township come from Boone County (Boone County Health Department - Environmental Health Division · 765-483-4458). 21 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Boone County page.
Marion 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 construction on unincorporated land inside Marion township, Boone County, Indiana, issued by the Boone County Area Plan Office
“issue improvement location permits (building permits) for new construction as directed by the boone county zoning ordinance, building regulations and boone county subdivision control ordinance.”
Permitted construction and septic-related approvals on unincorporated land inside Marion township, Boone County, Indiana
“any petition or permit granted through the boone county area plan office is subject to at least one site inspection before it will be approved.”
Unincorporated land inside Marion township, Boone County, Indiana. Zoning here is the Boone County zoning ordinance administered by the Area Plan Commission. This is a county rule, not an ordinance adopted by Marion township.
“the boone county area plan serves the incorporated town of advance and the unincorporated areas of boone county. area plan administers and enforces the zoning, floodplain, building, and unsafe structures through adopted ordinances.”
Zoning districts for unincorporated land inside Marion township, Boone County, Indiana (county ordinance Table 1)
“the jurisdiction area is hereby classified and divided into districts designated in table 1, land use districts”
Main single-family residential district (R1), unincorporated land inside Marion township, Boone County, Indiana
minimum front yard: >= 20 feet from right-of-way or 70 feet from road centerline, whichever is greater (not applicable to flag lots) · minimum side yard: 5 feet (does not apply in the agricultural district) · minimum rear yard for primary structures: 20 feet · minimum rear yard for accessory structures: 5 feet
“minimum front yard (unincorporated areas): in all districts, 20 feet from the right of way or 70 feet from the center of the road, whichever is greater (not applicable to flag lots) minimum rear yard for primary structures: 20 feet in all districts minimum rear yard for accessory structures: 5 feet in all districts minimum side yard: 5 feet in all districts except the agricultural district.”
“minimum side yard: 5 feet in all districts except the agricultural district. number of parking spaces per lot: 2 in all districts minimum spacing between dwellings created in the agricultural district: 140’ feet”
Occupying an RV or camper on unincorporated land inside Marion township, Boone County, Indiana
“iii. living quarters are not permitted within an accessory structure without a variance from the bza. for purposes of this section, “living quarters” is defined as permanent or roughed-in provisions for sleeping, cooking, and sanitation. this definition also includes a camper or recreational vehicle being occupied inside of an accessory structure.”
Temporary camping on unincorporated land inside Marion township, Boone County, Indiana
“a parcel of land used or intended to be used for temporary occupancy by campers, recreational vehicles, travel trailers, mobile homes, tents, etc.”
Manufactured homes on unincorporated land inside Marion township, Boone County, Indiana
minimum lot area for mobile home park: >= 5 acres (mobile home parks established after January 1, 1999)
“table 5, residential uses and requirements - mobile home parks established after january 1, 1999 zoning district units per acre r1 r2 r3 r4, mf 2 4 6 6 1,000 900 900 900 minimum lot area in all districts: 5 acres”
Accessory dwelling units on lots with an existing single-family home in unincorporated Marion township, Boone County, Indiana
accessory dwelling units per parcel: 1 units
“maximum of 1 accessory dwelling unit per parcel quantity structure requirements detached or attached to the primary dwelling unit lawfully built structure that meets applicable building code requirements, including all requirements for a single-family dwelling”
Septic systems for residences inside Marion township, Boone County, Indiana (Boone County Health Department, Environmental Division, Lebanon)
“i hereby certify that the above information is correct and that sewage and drainage systems for this residence will be installed to meet requirements of the health department of boone county, indiana in compliance with the boone county commissioners, ordinance #2012-04.”
New residential septic systems for homes inside Marion township, Boone County, Indiana
residential septic permit fee: 100 USD (plus $150 application fee) · commercial septic permit fee: 200 USD · application fee: 150 USD
“application for well and septic permits new construction”
New residential septic systems inside Marion township, Boone County, Indiana, before the final building inspection
“a satisfactory septic inspection (including alarm checks) and satisfactory water test must be on file with the boone county health department prior to scheduling your final building inspection.”
Lots without public sewers inside unincorporated Marion township, Boone County, Indiana
minimum lot area without public sewers: >= 2 acres
“2 acres in all districts without public sewers, and 3 acres in the re district”
New water wells for homes inside Marion township, Boone County, Indiana
well and pump permit fee: 60 USD (plus $150 application fee) · well-only permit fee: 30 USD (plus $150 application fee)
“application for well and septic permits new construction”
New homes on lots inside unincorporated Marion township, Boone County, Indiana, under the county residential standards
“with or without public public water & public sewer connection: required in all districts for lots that are less than one acre in size. utility connection: required for major residential subdivisions with 15 lots or more.”
Creating new residential lots on unincorporated land inside Marion township, Boone County, Indiana
“the area plan commission has public hearings on text amendments to the subdivision control and the zoning ordinance, map amendments (rezones), development plan reviews and major subdivision approvals.”
Residential lots using a private access driveway in unincorporated Marion township, Boone County, Indiana
minimum road frontage for private-driveway lots: >= 100 feet (in major subdivisions up to 20% of lots may reduce frontage by up to 20%)
“road frontage: all residential lots utilizing a private access driveway for access shall have frontage on a public road. the minimum width of that frontage is 100’ of continuous width which extends the depth of the lot.”
Development in mapped floodplain areas on unincorporated land inside Marion township, Boone County, Indiana
“the boone county area plan is also responsible for administering the floodplain ordinance adopted from the state of indiana.”
Septic and well permit fees for new construction inside Marion township, Boone County, Indiana (Boone County Health Department)
application fee: 150 USD · residential septic permit: 100 USD · commercial septic permit: 200 USD · well and well pump permit: 60 USD · well only permit: 30 USD · well pump only permit: 30 USD
“application fee: residential septic permit: commercial septic permit: well & well pump: well only: well pump only: application for well and septic permits new construction fill out completely – application will not be processed unless all information is filled in. $150 _____ $100 _____ $200 _____ $60 _____ $30 _____ $30”
Permit process for unincorporated land inside Marion township, Boone County, Indiana (Area Plan Office, 116 W. Washington St., Suite 101, Lebanon)
“accept and review petition filings for the boone county area plan commission, boone county plat committee, and boone county board of zoning appeals.”
We looked and could not find an official answer yet. Silence is not permission; ask Marion Township or Boone 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 Marion Township publishes no rule on the point, not that none exists. Boone County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Marion Township means bringing your own water and power. The kit we’d start with:
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