Bolthole Index

Cass County, Indiana

Zoning, building permits and septic rules in Harrison Township, Indiana

Harrison Township is a township in Cass County, Indiana. 10 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Cass County page.

Answers from the rulebook for Harrison Township

Rules another office applies inside Harrison Township

Harrison Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Zoning districtsPublished (with conditions)

    Zoning districts for unincorporated Cass County, Indiana, including Harrison township, under the county zoning ordinance

    • Districts shown in the county's Table B and Table A are ag, rr, r1, b1, b4, ab, i1, i2 and cg. The ordinance text refers to the R-1 district as 'r-1'.
    • Districts in incorporated city or town plan commission areas are excluded.
    “table b district performance standards ag rr r1 b1 b4 ab i1 i2 cg”
  • Minimum lot sizeDistrict specific (with conditions)

    AG (agricultural) district in unincorporated Cass County, Indiana, including Harrison township

    • Table B values are read in column order ag, rr, r1, b1, b4, ab, i1, i2, cg, each with a 'no central sewage' and a 'with central sewage' value.
    • Table B does not print units; area is read as square feet and width as feet.
    • Footnotes (a) and (b) in Table B were not read; they may change the lot-size or width rules.
    • Central sewage requirement is defined by the ordinance; the excerpt is the lot-size table row.

    minimum lot area, no central sewage: >= 43560 sq ft · minimum lot area, with central sewage: >= 24000 sq ft · minimum lot width, no central sewage: >= 150 ft · minimum lot width, with central sewage: >= 100 ft

    “1. minimum lot area (a) no central sewage with central sewage 43,560 24,000 43,560 20,000 36,000 14,000 24,000 6,000 34,000 10,000 34,000 10,000 34,000 10,000 40,000 24,000 130,680 130,680 2. minimum lot width (b) no central sewage with central sewage 150 100 150 100 100 80 80 50 80 70 80 70 80 70 150 100 80 70”
    2 more reviewed findings on this topic
    • District specific (with conditions) — RR (rural residential) district in unincorporated Cass County, Indiana, including Harrison township
      “1. minimum lot area (a) no central sewage with central sewage 43,560 24,000 43,560 20,000 36,000 14,000 24,000 6,000 34,000 10,000 34,000 10,000 34,000 10,000 40,000 24,000 130,680 130,680 2. minimum lot width (b) no central sewage with central sewage 150 100 150 100 100 80 80 50 80 70 80 70 80 70 150 100 80 70”
    • District specific (with conditions) — R-1 (single-family residential, abbreviated r1 in Table B) district in unincorporated Cass County, Indiana, including Harrison township
      “1. minimum lot area (a) no central sewage with central sewage 43,560 24,000 43,560 20,000 36,000 14,000 24,000 6,000 34,000 10,000 34,000 10,000 34,000 10,000 40,000 24,000 130,680 130,680 2. minimum lot width (b) no central sewage with central sewage 150 100 150 100 100 80 80 50 80 70 80 70 80 70 150 100 80 70”
  • SetbacksDistrict specific (with conditions)

    AG (agricultural) district in unincorporated Cass County, Indiana, including Harrison township

    • Minimum front 50 ft, side 20 ft, rear 25 ft, as read from Table B column ag.
    • Table B does not print units; read as feet.
    • Supplemental yard rules in section 306 (projections into yards) and footnote (b) were not read.

    minimum front yard: >= 50 ft · minimum side yard: >= 20 ft · minimum rear yard: >= 25 ft

    “5. minimum front yard (b) 50 50 45 25 25 40 40 40 40 6. minimum side yard (b) 20 20 15 15 15 20 20 20 20 7. minimum rear yard (b) 25 25 20 20 20 25 25 25 25”
    2 more reviewed findings on this topic
    • District specific (with conditions) — RR (rural residential) district in unincorporated Cass County, Indiana, including Harrison township
      “5. minimum front yard (b) 50 50 45 25 25 40 40 40 40 6. minimum side yard (b) 20 20 15 15 15 20 20 20 20 7. minimum rear yard (b) 25 25 20 20 20 25 25 25 25”
    • District specific (with conditions) — R-1 (single-family residential, abbreviated r1 in Table B) district in unincorporated Cass County, Indiana, including Harrison township
      “5. minimum front yard (b) 50 50 45 25 25 40 40 40 40 6. minimum side yard (b) 20 20 15 15 15 20 20 20 20 7. minimum rear yard (b) 25 25 20 20 20 25 25 25 25”
  • Lot coverageDistrict specific (with conditions)

    R-1 (single-family residential, abbreviated r1 in Table B) district in unincorporated Cass County, Indiana, including Harrison township

    • Table B value for the r1 column is 40 (percent).
    • Footnote (c) was not read.

    maximum lot coverage: <= 40 %

    “4. maximum lot coverage (c) 10 or 30* 30 40 80 80 50 50 50 50”
    One more reviewed finding on this topic
    • District specific (with conditions) — RR (rural residential) district in unincorporated Cass County, Indiana, including Harrison township
      “4. maximum lot coverage (c) 10 or 30* 30 40 80 80 50 50 50 50”
  • Subdividing landRegulated (with conditions)

    Division of land into lots in unincorporated Cass County, Indiana, including Harrison township

    • Subdivision applications are administered by the county planning department and plats are approved by the plan commission.
    • The subdivision control ordinance itself was not opened.
    “administer subdivision applications and approve plats.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Harrison Township or Cass County directly.

  • Owner-builder exemption — Owner-builder exemption from building permits for a home in Harrison township
  • Building code adopted — Building code adopted for construction in Harrison township
  • Inspections — Building inspections for construction in Harrison township
  • Certificate of occupancy — Certificate of occupancy for new homes in Harrison township
  • Local zoning — Whether Harrison township, Cass County, Indiana adopts and administers its own zoning ordinance
16 more unanswered
  • Minimum dwelling size
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Short-term rentals
  • Permit fees

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 Harrison Township publishes no rule on the point, not that none exists. Cass County’s page lists the county offices to call.

← All of Cass County: county rules, score and offices