Zoning, building permits and septic rules in Irrigon, Oregon

Irrigon’s own rules

• Local zoningPresent

  Land inside Irrigon city limits (Morrow County, OR)

  • Code text notes it includes ordinances through Ord 240-17 and that later ordinances supersede conflicting provisions; the file name references Ord 262-24 adopted 1.16.2024.

  “every parcel, lot, and tract of land within the city's incorporated boundaries is also within a land use district. (land use districts are shown on the city's official zoning map.)”

• Minimum lot sizeSpecified

  Residential zone (R), Irrigon city

  • Lot size averaging allowed under flexible lot size option (10-4c-4).
  • Frontage minimum 60 feet for residential uses in the district.

  single-family minimum lot area: >= 6000 sq ft · duplex minimum lot area: >= 7000 sq ft

  “minimum lot area: single-family 6,000 square feet duplex 7,000 square feet triplex 8,000 square feet quadplex 9,000 square feet”

• SetbacksSpecified

  Residential zone (R), Irrigon city

  • Measured from the foundation unless otherwise defined.

  front setback: >= 20 feet · side setback: >= 10 feet (15 feet on street side of corner lots) · rear setback: >= 10 feet

  “minimum setbacks (from the foundation unless otherwise defined): front/street setback from property line (front of structure to property line) 20 feet side setback, except on corner lots on street side 10 feet side setback on corner lots, street side 15 feet rear setback 10 feet”

• Lot coverageSpecified

  Residential zone (R), Irrigon city

  • Minimum landscape area 10 percent.

  maximum building coverage, single-family plus accessory uses: <= 60 percent of site area

  “maximum building coverage (footprint plane as percent of site area): single-family dwelling, plus accessory uses 60 percent duplex, triplex, and quadplex 60 percent”

• Building heightSpecified

  Residential zone (R), Irrigon city

  • Commercial and industrial zones also 35 feet.

  maximum building/structure height: <= 35 feet

  “maximum building/structure height 35 feet maximum buildable lot (single family dwelling) 12,000 feet”

• Subdividing landRegulated (with conditions)

  Subdivisions and partitions inside Irrigon city

  • Preliminary and final plat approval; flood plain requirements apply.

  “all subdivision and partition proposals shall conform to state regulations in oregon revised statutes (ors) chapter 92, "subdivisions and partitions".”

Still unanswered

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

• Building permit — Irrigon city
• Owner-builder exemption — Irrigon city
• Building code adopted — Irrigon city
• Inspections — Irrigon city
• Certificate of occupancy — Irrigon city

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.