Zoning, building permits and septic rules in Tiffin, Iowa

Tiffin’s own rules

• Local zoningPresent (with conditions)

  Land inside Tiffin city limits (City of Tiffin, Iowa): the city's own Tiffin Zoning Ordinance (adopted November 14, 2007) divides the city into zoning districts.

  • Ordinance No. 2007-287 is the zoning ordinance named on the city's codes page; the city page lists the adoption and later amendment documents separately.
  • Zoning districts are the city's own; the county does not administer these districts inside city limits.

  “the city of tiffin is hereby divided into the following zoning districts as shown by the following "schedule of districts", which are hereby adopted”

• Zoning districtsPublished (with conditions)

  R-1E estate-family district inside Tiffin city limits (rural-residential/agricultural-holding district; the R-1E label is inferred from Section 2 order and the intent text placed before its permitted uses).

  • Intent language is from Section 3 near the start of the R-1E description.

  “the district also intends to maintain and enhance agricultural operations and preserve agricultural lands used for crop production or for raising livestock”

  One more reviewed finding on this topic

  • Published (with conditions) — Land inside Tiffin city limits: the city's zoning district schedule.

    “residential districts r-1e estate-family r-1a single-family, low-density r-1b single family, medium-density”

• Minimum lot sizeSpecified

  R-1E estate-family / rural-residential district inside Tiffin city limits (district mapping inferred from table placement).

  • Minimum lot requirements table: width 100 ft, depth 180 ft, area 18,000 sq ft, per the table row.

  minimum lot width: >= 100 ft · minimum lot depth: >= 180 ft · minimum lot area: >= 18000 sq ft

  “permitted 2 1/2 principal uses and stories or structures 100 180 18,000 30 25 25 35 38 ft”

  One more reviewed finding on this topic

  • Specified — Main single-family residential district R-1A (single-family, low-density) inside Tiffin city limits.

    “the r-1a single-family residential district intends to provide and maintain lowdensity, single-family residential neighborhoods with a minimum lot size of 18,000 square feet”

• Building heightSpecified

  R-1E estate-family / rural-residential district inside Tiffin city limits, principal structures (district mapping inferred from table placement).

  • The table lists 2 1/2 stories and 38 ft for principal uses and structures; accessory-structure row is listed separately in the table (not split out here).

  maximum building height: <= 38 ft · maximum stories: <= 2.5 stories

  “permitted 2 1/2 principal uses and stories or structures 100 180 18,000 30 25 25 35 38 ft”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Tiffin or Johnson County directly.

• Building permit — New construction inside Tiffin city limits.
• Owner-builder exemption — Owner-builder construction inside Tiffin city limits.
• Building code adopted — Inside Tiffin city limits: which building code the city adopts.
• Inspections — Inside Tiffin city limits.
• Certificate of occupancy — Inside Tiffin city limits.

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.