Zoning, building permits and septic rules in Ione, Oregon

Ione’s own rules

• Building permitRequired

  New structures, alterations, manufactured home installation, wiring/plumbing/heating and water/sewer connections inside Ione city; building permits come from the state building codes division

  • List in 1.46 is stated to be nonexclusive.
  • City development permit under 1.45 is also needed first.

  “as required by the state law, any necessary building, mobile home siting, mechanical, electrical, and plumbing permits shall be obtained from the state building codes division”

• Local zoningPresent

  Land inside Ione city limits, Morrow County, Oregon

  • Source is the 2021-uploaded PDF of Zoning Ordinance #158; the city has flagged a pending amendment on manufactured home age (not verified), so later amendments may exist.

  “this ordinance together with the zoning map attached hereto shall be known as the zoning ordinance of the city of ione.”

• Zoning districtsPublished

  Zoning districts inside Ione city

  • Also establishes light industrial (M), historic overlay (H), flood hazard overlay (FH), flood way (FW), steep slope overlay (SS) and permanent open space (O) zones.

  base zones: R-1, R-2, R-3, C, M

  “the following zones are hereby established. zone 1. limited residential 2. general residential 3. farm residential 4. central commercial designation r-1 r-2 r-3 c”

• Minimum lot sizeSpecified

  R-1 zone, existing platted areas (also applied to R-2 platted additions) inside Ione city

  • Plus 1000 sq ft per dwelling unit over one.
  • Lot area must also satisfy DEQ septic requirements; prior DEQ suitability determination needed unless sewage facilities are provided.
  • Unplatted areas/new subdivisions/urban growth area use section 3.13 (15,000 sq ft to 10 acres).

  minimum lot area: >= 9000 sq ft

  “4. the lot area shall be a minimum of 9000 square feet and shall exceed the minimum of 1000 square feet for each dwelling unit over one.”

  One more reviewed finding on this topic

  • Specified — R-3 Farm Residential zone inside Ione city

    “4. the lot area shall be a minimum of 1 acre. 5. the lot width at the front building line shall be a minimum of 150 feet. 6. the lot depth shall be a minimum of 200 feet.”

• SetbacksSpecified

  R-1 zone, existing platted areas, inside Ione city (same setbacks in 3.13 and R-3 3.32)

  • Corner lot street side yard 15 ft.

  front yard: >= 15 ft · side yard: >= 10 ft (15 ft street side on corner lot) · rear yard: >= 10 ft

  “1. the front yard shall be a minimum of 15 feet. 2. each side yard shall be a minimum of 10 feet, except that on a corner lot, the side yard on the street side shall be a minimum of 15 feet. 3. the rear yard shall be a minimum of 10 feet.”

  One more reviewed finding on this topic

  • Specified — R-3 Farm Residential zone inside Ione city

    “1. the front yard shall be a minimum of 15 feet. 2. each side yard shall be a minimum of 10 feet, except that on a corner lot, the side yard on the street side shall be a minimum of 15 feet. 3. the rear yard shall be a minimum of 10 feet.”

• Lot coverageSpecified

  R-1 zone, existing platted areas, inside Ione city

  • Unplatted/new-subdivision R-1 areas (3.13): 10 percent, except 30 percent for lots under 1 acre.

  maximum building coverage: <= 30 percent of lot area

  “8. not more than 30 percent of the lot area shall be covered by buildings.”

  One more reviewed finding on this topic

  • Specified — R-3 Farm Residential zone inside Ione city

    “8. not more than 10 percent of the lot area shall be covered by buildings.”

• Building heightSpecified

  R-1 zone, existing platted areas, inside Ione city (also 35 ft in 3.13, R-3 and C zones)

  maximum building height: <= 35 ft

  “7. building height shall be a maximum of 35 feet.”

  One more reviewed finding on this topic

  • Specified — R-3 Farm Residential zone inside Ione city

    “7. the building height shall be a maximum of 35 feet.”

• Living in an RVLimited

  Recreational vehicles inside Ione city

  • RV allowed only as a conditional use in the C zone; RV defined as not for residential use.
  • Not listed among R-1/R-2/R-3 uses.

  “in a c zone, the following uses and their accessory uses are permitted when authorized in accordance with section 5 et. seq. 1. single family dwelling 2. two-family dwelling 3. manufacture home 4. recreational vehicle”

• Manufactured homesAllowed

  Manufactured/mobile homes in the R-1 zone inside Ione city

  • Also permitted outright in R-2 and R-3 (manufactured home); conditional use in C zone; mobile home parks are conditional in R-2/R-3.
  • A development permit is required for installing a manufactured home.
  • City council has discussed an age requirement for new manufactured homes (not verified as adopted).

  “in and r-1 zone, the following uses and their accessory uses are permitted outright. 1. single family dwelling 2. two family dwelling 3. mobile home or manufactured home”

• Permit processPartial

  City development permit inside Ione city

  • Required for new structures, additions, manufactured home installation, change of use, watercourse alteration, significant grading, and fences in the floodway.
  • Application forms/steps not found online.

  “a development permit constitutes the city's approval of a proposed project and must be obtained in order to receive a building permit from the state building codes division.”

Still unanswered

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

• Owner-builder exemption — Owner-builder exemption inside Ione city
• Building code adopted — Building code inside Ione city
• Inspections — Building inspections inside Ione city
• Certificate of occupancy — Certificate of occupancy inside Ione city
• Minimum dwelling size — Minimum dwelling size inside Ione 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.