Vigo County, Indiana
Pierson Township is a township in Vigo County, Indiana. Septic permits inside Pierson Township come from Vigo County (Vigo County Health Department (Environmental Health Division) · (812) 462-3428). 16 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Vigo County page.
Pierson Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Residential construction in unincorporated Vigo County, including Pierson township
“is erected or located as specified by the vigo county building code”
Zoning districts that apply to land in unincorporated Vigo County, including Pierson township
“the residential districts established by this ordinance for vigo county, indiana are as follows”
Single-family dwellings in the R-S single-family residential suburban district (Section 11.01) in unincorporated Vigo County, including Pierson township
minimum main floor area, one-story building: >= 900 sq ft (exclusive of garage, carports and open porches) · minimum floor area, greater than one-story building: >= 400 sq ft (total floor area at least 900 sq ft)
“h. minimum main floor area - exclusive of garage, carports and open porches: 1.one story building - 900 sq. ft. 2. greater than one story - 400 sq. ft., provided that the total floor area shall be at least 900 sq. ft.”
Single-family lots in the R-1 single-family residential district (Section 11.02) in unincorporated Vigo County, including Pierson township
minimum lot area: >= 5500 sq ft (single-family subdivision plats recorded after the effective date require sewer and water attachment)
“c. minimum lot area - 5,500 sq. ft., provided, however, for the development of any single-family subdivision for which a plat is recorded after the effective date of this ordinance, attachment to a public or semipublic sanitary sewer system and water supply shall be mandatory.”
“c. minimum lot area 1.with sewers - 20,000 sq. ft. 2.without sewers - 20,000 sq. ft., provided, however, minimum lot area may be increased depending on soil conditions and requirements of the vigo county health department.”
Buildings on R-S single-family residential suburban lots (Section 11.01) in unincorporated Vigo County, including Pierson township
rear setback, principal building: 25 ft · rear setback, accessory building: 10 ft · side setback, principal and accessory buildings: 5 ft
“f. minimum rear yard and setback - shall be provided from the property line as follows: 1. principal use building - 25, 2. accessory use building - 10, g. minimum side yard and setback - shall be provided from the property line as follows: 1. principal use building – 5’ 2. accessory use building – 5’”
“e. minimum front yard and setback - shall be provided along all street rights-ofway as follows: 1.along a minor or local street - 25’ 2.along a sub collector street - 30’ 3.along a collector40’ 4.along a arterial - 60’”
Lots in the R-S single-family residential suburban district (Section 11.01) in unincorporated Vigo County, including Pierson township
maximum building coverage, principal building: <= 30 % · minimum vegetative cover: >= 40 %
“i. lot coverage. 1.maximum coverage by principal building – 30% 2.minimum vegetative cover – 40%”
Mobile homes on lots in the R-S single-family residential suburban district (Section 11.01) in unincorporated Vigo County, including Pierson township
“special exception uses (subject to the provisions of section 18). bed & breakfast child care home that is not used as the primary residence of the person who operates the child care home golfcourse group home mobile home public pool utility substation”
Sewage disposal for buildings in Pierson township, which lies in unincorporated Vigo County
“an application for an improvement location permit for any building, structure, improvement or use shall not be approved until it has been ascertained by the director that the proposed building, structure, improvement or use will meet or exceed the minimum standards for sewage disposal and water as required by the vigo county health department and state board of health”
A new home in Pierson township that is zoned under the county ordinance; the rule varies by district
distance to public water/sewer main: > 300 ft (R-S district: connection not mandatory beyond this distance from the property line)
“under most circumstances, public water and sewer facilities should be present but are not mandatory if the facilities are more than threehundred (300) feet from the property line.”
Land zoned A-1 agriculture and used for agriculture or agricultural operations in Pierson township
“unrestricted use within the agriculture district (a-1). subject to compliance with applicable health and safety rules and regulations and the requirements of the subdivision control ordinance, all land zoned a-1 and used for agriculture or agricultural operations is exempt from any further regulation set forth in this ordinance.”
“farm structures constructed in the normal course of agricultural business for the support of individual farms are not subject to requirements for an. improvement location permit.”
Division of land in Pierson township, which lies in unincorporated Vigo County
“subject to compliance with applicable health and safety rules and regulations and the requirements of the subdivision control ordinance”
Development in special flood hazard areas in unincorporated Vigo County, including Pierson township
construction value threshold for development: > 1000 USD (development includes placement of a building or addition valued at more than $1,000)
“the purpose of this section is to guide development in the flood hazard areas within in the unincorporated areas of vigo county”
Improvement location permits for construction or land use in Pierson township
director review period: <= 5 business days (may be extended for additional technical consultation)
“no building, structure, improvement or use of land may be altered, changed, placed, erected, repaired or located on platted ox unplatted lands, unless the building, structure, improvement ox use and its location conform to the provisions of this ordinance and an improvement location permit”
We looked and could not find an official answer yet. Silence is not permission; ask Pierson Township or Vigo 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 Pierson Township publishes no rule on the point, not that none exists. Vigo County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Pierson Township means bringing your own water and power. The kit we’d start with:
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