The purpose of the Low Density Residential (RL) zone is to provide low density residential areas in the City that are appropriate for dwellings on individual lots, as well as other miscellaneous land uses compatible with a low density residential environment.

(1)

Use Categories. Table 40-1 lists use categories Permitted Outright (P) or Conditionally Permitted (C) in the RL zone. Use categories may also be designated as Limited (L) and subject to the limitations listed in Table 40-1 and restrictions identified in TDC 40.210. Limitations may restrict the specific type of use, location, size, or other characteristics of the use category. Use categories which are not listed are prohibited within the zone, except for uses which are found by the City Manager or appointee to be of a similar character and to meet the purpose of this zone, as provided in TDC 31.070.

(2)

Overlay Zones. Additional uses may be allowed in a particular overlay zone. See the overlay zone Chapters for additional uses.

Table 40-1
Use Categories in the RL Zone

(1)

Agricultural Uses. Agricultural uses may be permitted uses or conditional uses depending on the nature of the use.

(a)

Permitted Uses. The following uses are permitted outright:

(i)

Agricultural uses of land such as gardening and horticulture.

(ii)

Raising of chickens as allowed by the Tualatin Municipal Code.

(b)

Conditional Uses. The following uses are conditional uses within areas designated on Comprehensive Plan Map 10-6:

(i)

Conditional Use of Agricultural Animals. Raising of agricultural animals, limited to cattle, horses and sheep. The City Council may limit the number of animals to be allowed on a specific parcel of property.

(ii)

Agricultural structures such as barns, stables, sheds, but excluding feed lots. Feed lots are prohibited.

(Ord. No. 1450-20 meeting, § 14, 12-14-20)

Table 40-2 lists housing types permitted in the RL zone. Housing types may be Permitted Outright (P), Conditionally Permitted (C), or Not Permitted (N).

Table 40-2
Housing Types in the RL Zone

(Ord. No. 1463-21 meeting, § 14, 12-13-21)

(1)

Development standards in the RL zone are listed in Table 40-3. Additional standards may apply to some uses and situations, see TDC 40.310. The standards in Table 40-3 may be modified for flexible lot subdivisions as provided in TDC 36.410 and for greenway and natural area dedications as provided in TDC 36.420.

(2)

Exceptions. Existing nonconforming situations may be developed according to the provisions of TDC Chapter 35.

Table 40-3
Development Standards in the RL Zone

(Ord. No. 1450-20 meeting, § 15, 12-14-20; Ord. No. 1463-21 meeting, § 15, 12-13-21)

The following architectural features may project into a required front or rear yard setback area not more than three feet, and into a required side yard not more than two feet: cornices, eaves, canopies, decks, sun-shades, gutters, chimneys, flues, belt courses, leaders, sills, pilasters, lintels, ornamental features, and other similar architectural features.

(1)

Flexible Lot Subdivisions. The minimum lot size and other development standards for single-family dwellings in the RL zone may be reduced or modified for lots included as part of a flexible lot subdivision. See TDC 36.410.

(2)

Greenway and Natural Area Dedications. The minimum lot size and other development standards for single-family dwellings in the RL zone may be reduced or modified if land is dedicated for a Greenway or Natural Area. See TDC 36.420.

(3)

Manufactured Homes. Except for manufactured homes placed in manufactured dwelling parks, manufactured homes must meet the following standards:

(a)

Minimum Size. The manufactured home must be multi-sectional and enclose a space of not less than 1,000 square feet. A manufactured home is not considered multi-sectional by having a tip-out section.

(b)

Foundation Requirements. The manufactured home must be placed on an excavated and back-filled foundation and enclosed at the perimeter such that the manufactured home is located not less than 1 foot above grade. However, a structural concrete foundation (such as that for a single-family dwelling) is not required.

(c)

Roof Form and Materials. The manufactured home must have a pitched roof with a minimum slope of one foot in height for each four feet of width. The roof must be comprised of shingles, wood shakes, tiles, or other materials which create a similar appearance. Exposed flat, corrugated or ribbed sheet metal, fiberglass, or other materials similar in form or appearance cannot be used as roofing material but may be used for corner and edge flashing.

(d)

Insulation Requirements. The manufactured home must be certified by the manufacturer to have exterior thermal envelope meeting performance standards which reduce heat loss to levels equivalent to the performance standards required of single family dwellings constructed under the State Building Code.

(Ord. No. 1463-21 meeting, § 16, 12-13-21; Ord. No. 1486-24, § 6, 6-10-24)