Article 8. R-3 Suburban Residential District

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Section 8.1. INTENT.

The intent of the Suburban Residential District is to provide for a transitional area between agricultural and higher density land uses to be applied in areas contiguous to or in close proximity to developed areas. Suburban residential is intended to be large lot residential developments or acreages located on the fringe of the community, whereas residents who desire the country or rural lifestyle may still be able to reside within the City of Rock Valley.



Within the (R-3) Suburban Residential district, unless otherwise provided, only the following uses, buildings or structures shall be permitted by right.

Residential Uses

Civic Uses

Agricultural Uses

Family Home

Single Family Residential Two Family Residential

Government/Public Services Local Utility Services

Park and Recreation Services Religious Assembly

Critical Area Crop Production Horticulture

Undeveloped/Unimproved Land Water Control Structures,

Irrigation or Retention Basins

Wildlife Management Area or Preserves



Certain uses may be permitted in the (R-3) Suburban Residential district subject to specific conditions and requirements as outlined and approved by the Board of Adjustment intending to make them compatible with and acceptable to adjacent uses.

Residential Uses

Civic Uses

Accessory Buildings on separate lots

(in compliance with Section 16.2.5)

Boarding House Relocated Residential


Major Utility Facilities

Pre-Kindergarten, Preschool or Nursery School Educational Facilities

Commercial Uses

Agricultural Uses

Communication Services

(See Section 16.10) Wind Energy Devices (See Section 16.11)

Residential Animal Raising (recreational) Stables



Permitted accessory uses shall not be the principal structure on any lot, and accessory uses are to remain incidental and secondary in size, use, and nature to the principal permitted use. Accessory uses shall also comply the provisions of Section 16.2. The following accessory uses and structures shall be permitted.

  1. Essential services
  2. Private garages or carports.
  3. Parking lots
  4. Personal recreational facilities for use by residents
  5. Radio, television, satellite dish, and other similar receiving antennas for personal use. Communication services and other devices or structures intended for commercial use are considered a conditional use and shall comply with the provisions of Section 16.10.
  6. Patios, cabanas, porches, gazebos, and incidental household storage buildings
  7. Roadside stands for the sale of agricultural products or other products produced on the premises
  8. Personal greenhouses, not operated for commercial purposes
  9. Solar collectors
  10. Home occupations, in compliance with Section 16.5.
  11. The keeping of dogs or other domesticated animals in a private kennel.
  12. Temporary buildings for uses incidental to construction, in which buildings shall be removed upon the completion or abandonment of construction, and in compliance with Section 16.4.
  13. Accessory uses and structures determined by the Zoning Administrator to be appropriate, incidental, and subordinate to principal permitted and conditional uses and structures.



The following minimum requirements shall be provided for light and open space around permitted and conditional uses, buildings and structures in the (R-3) Suburban Residential district, and subject to the Supplemental District Regulations.

  • Lot Area – All uses shall be 20,000 sq. ft. – minimum lot area
  • Lot Width – 150 feet – minimum lot width, except entry points in cul-de-sacs
  • Front Yard – 25 feet – minimum required setback
  • Rear Yard – 50 feet – minimum required setback
  • Side Yard – 25 feet – minimum required setback Street Side Yard (Corner Lot) – 25 feet – minimum required setback
  • Height – 35 feet maximum height provided no structure shall be permitted to extend into approach zones, clear zones or other restricted air space required for the protection of any public airport.
  • Residential Density – Not more than one (1) dwelling unit per lot, except for two-family residential.

No minimum requirements for local utility facilities and essential services, except that buildings or other above-ground structures or devices constructed in support of utilities or essential services must comply with minimum yard setback requirements. All residential dwelling units must be constructed in compliance with the Residential Dwelling Standards outlined in Section 15.4. Manufactured or mobile homes placed in designated residential subdivisions must be converted to real property in conformance with section 135D.26 of the Code of Iowa



Off-street parking and loading requirements shall be required for activities in the (R-3) Suburban Residential district in accordance with the provisions of Article 17 of this ordinance.



Sign regulations shall be required for activities in the (R-3) Suburban Residential district in accordance with the provisions of Article 18 of the ordinance.



Zoning permits shall be required in accordance with the provisions of Section 21.3 of this ordinance.


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