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18.20.070 R-1 (Residential Single-Family)
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Purpose: The R-1 (Residential Single-Family) district provides for development of standard low-density residential developments in areas where adequate public facilities and services exist, and residential development is appropriate given the surrounding land uses and neighborhood. Property zoned R-1 should be provided with public sanitary sewers, or suitable alternatives, prior to development. This district gives applicants the option to build low- to medium-density single-family neighborhoods, or a higher-density community that has street-oriented architecture or conservation design.

R-1 is consistent with the Conventional Residential and Conservation/Cluster Neighborhoods future land use categories, and implements the following Comprehensive Plan policies:

LUCC-3.3: Allow for a variety of home types and lot sizes.

HN-1.4: Minimize spillover impacts from adjacent commercial areas and incremental expansion of business activities into residential areas.

LUCC-8.2: Use zoning as a tool to avoid or minimize conflicts between land uses.

HN-2.1, HN-2.5, HN-4.1, and HN-4.2: Provide a full range of housing choices, affordable housing, and neighborhoods that enable residents to “age in place.”

A. Permitted Uses

See Section 18.20.500 (Use Matrix).

B. Dimensional Standards

Development in the R-1 district is subject to the following dimensional standards:

Standards →

Site 1

Site 1

Site 2

Site 2

Lot area (minimum)

• 7,200 sf

• 5,000 sf

• 3,000 sf

• n/a

Density (maximum)

• n/a

• n/a

• n/a

• 9.5 du/ac

Lot width (minimum)

• 60 feet

• 50 feet

• 40 feet

• n/a

Front yard (minimum) *

• 30 feet

• 25 feet

• 20 feet

• 10 feet

Height (maximum)

Residences

Nonresidential

• 2½ stories/35 feet

• 75 feet

• 2½ stories/35 feet

• 75 feet

• 2½ stories/35 feet

• 75 feet

• 2½ stories/35 feet

• 75 feet

Side yard (minimum, subject to minimum fire code building separation requirements)

• 7 feet

• 7 feet

• 7 feet

• 7 feet

Corner side yard (minimum)

• 20 feet

• 20 feet

• 20 feet

• 20 feet

Rear yard (minimum)

• 25 feet

• 15 feet

• 10 feet

• 10 feet

Common open space (minimum %/minimum % of total that is active open space)

• n/a

• 15% total/50% active

• 45%

• 40%

*See Section18.30.270 for permitted encroachments.

C. Development and Performance Standards for R-1 Developments

1. See Chapters 18.30 (Development Standards) and 18.50 (Supplemental Use Regulations).

2. Nonresidential structures taller than thirty-five (35) feet must be set back from all property lines a distance at least equal to their height.

3. Parking and paved area for nonresidential uses must be located outside the front, side and rear yards, except for driveway access.

4. Single-Family Detached Residences on lots less than seven thousand two hundred (7,200) square feet in size are subject to building design standards found in Section 18.15.020.G.

5. Setback requirements listed in the dimensional standards table are minimum requirements and may be required to be greater to accommodate landscape buffer requirements found in Section 18.30.130. (Ord. 19-64 § 2, 2019; Ord. 16-20 §4, 2016; Ord. 15-16 §3, 2015)