Bolthole Index

Benton County, Indiana

Zoning, building permits and septic rules in Town of Ambia, Indiana

Town of Ambia is a town in Benton County, Indiana. 8 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the Benton County page.

Answers from the rulebook for Town of Ambia

Rules another office applies inside Town of Ambia

Town of Ambia 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 applied to land inside Ambia town under the Benton County zoning code

    • The zone map is kept on file in the office of the Benton County surveyor; the map was not opened.
    • The code's table of contents lists districts including A-1, R-1 through R-4, B-1 through B-3, I-1 and FP.
    “jurisdiction of the commission: the unincorporated territory within benton county, indiana, subject to any jurisdiction claimed by a town plan commission, plus the towns of ambia, boswell, otterbein (including the area in tippecanoe count), and oxford, whose governing bodies have designated the benton county advisory plan commission, by ordinance, as the town plan commission”
  • Minimum lot sizeDistrict specific (with conditions)

    Minimum lot area for a single-family dwelling on land inside Ambia town under the Benton County zoning code; the figure amounts were not captured

    • The minimum lot area is set by district in Figure 9, which was not captured as text.
    • A single-family dwelling may be placed on a lot that predates the code, even below the district minimum, if it was a single recorded parcel.
    “even though the lot does 24 not have the minimum lot width or the minimum lot area specified for the district.”
  • SetbacksDistrict specific (with conditions)

    Detached accessory buildings and swimming pools inside Ambia town under the Benton County zoning code, by district

    • These are accessory-building setbacks only. The main-building setbacks in Figure 1 were not captured.
    • Detached accessory buildings are also set back at least forty (40) feet from the building line under the same paragraph.

    side or rear setback, A-1 and R-1 districts: >= 20 feet · side or rear setback, R-2 districts: >= 10 feet · side or rear setback, R-3, R-4, B-1 and B-2 districts: >= 5 feet

    “no detached accessory building or swimming pool shall be located closer to a side or rear lot line than twenty (20) feet in the a-1 and r1, b-3 and i-1 districts, ten (10) feet in the r-2 districts and five (5) feet in the r-3, r-4, b-1 and b-2 districts”
  • Building heightSpecified

    Detached accessory buildings inside Ambia town under the Benton County zoning code (height cap for accessory structures; principal building heights were not captured)

    • Principal-building height limits were not captured.
    • The quoted provision is in the accessory-buildings paragraph of Sec. 8-15.

    maximum height, detached accessory building: <= 18 feet

    “nor exceed eighteen (18) feet in height, and shall be set back at least forty (40) feet from the building line”
  • Camping on your landLimited

    Public camps inside Ambia town under the Benton County zoning code, in the A-1 and I-1 districts

    • Public camps are listed among the conditional uses, which require board approval.
    • Private camping and the district-by-district rules were not captured.
    “22. public camp, a-1 and i-1 23. public or commercial sanitary fill, all, except r-1”
  • Manufactured homesLimited

    Manufactured and mobile homes inside Ambia town under the Benton County zoning code

    • The permitted use is inside a mobile home park, which requires a board-approved improvement location permit under the conditional use procedure.
    • Single-lot placement of a manufactured home was not established.

    minimum mobile home park area: >= 5 acres

    “manufactured dwellings and mobile homes are permitted uses in a mobile home park.”
  • Subdividing landRegulated (with conditions)

    Subdivision of land inside Ambia town under the Benton County subdivision control code

    • The subdivision control code's text, procedures and thresholds were not opened.
    “variances, appeals to board, hearings, and findings of fact. subdivision control code of benton county, indiana. wind energy conversion systems.”
  • Building in a floodplainRequired

    Development in the flood plain district inside Ambia town, where the development is not permitted by right

    • Applies only to flood plain district parcels and to applications not permitted by right under Sec. 8-8(a)(2).
    • Indiana Department of Natural Resources review is required before an improvement location permit is issued.
    “3. all development applications located in the flood plain district which are not permitted by right as set forth in sec. 8-8(a)(2), will require the review and approval by the indiana department of natural resources prior to the issuance of an improvement location permit.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Ambia or Benton County directly.

  • Owner-builder exemption — Whether an owner may build without a licensed contractor inside Ambia town
  • Building code adopted — Which building code applies to new construction inside Ambia town
  • Inspections — Whether building inspections are required for new construction inside Ambia town
  • Local zoning — Whether Ambia town itself adopted and administers a zoning ordinance for land inside its limits
  • Minimum dwelling size — Minimum dwelling size inside Ambia town
13 more unanswered
  • Lot coverage
  • Living in an RV
  • Tiny 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 Town of Ambia publishes no rule on the point, not that none exists. Benton County’s page lists the county offices to call.

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