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18.30.065 Lots
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A. Generally

1. The lot size, width, depth, shape and orientation, and the minimum building setback lines shall comply with the applicable zoning district regulations and (for a rezoning) any conditions of zoning approval.

2. The Planning Commission may modify lot area and depth in accordance with the density provisions set out in the Unified Development Ordinance (UDO), Comprehensive Plan, and applicable corridor studies and plans.

3. A lot as used in this ordinance may consist of one (1) or more platted lots or tracts, or parts thereof. Platted lot means a portion of a subdivision intended as a unit for transfer of ownership or for development.

B. Lot Area

Where a zoning district requires a minimum net lot area, the lot area includes the area within all lot lines except for land dedicated as arterial street rights of way.

C. Lot Width

1. Minimum lot widths are established in the applicable zoning district.

2. Residential lots shall have sufficient width at the building setback lines to permit compliance with side yard and buffer requirements under the applicable zoning district regulations and this chapter. (Ord. 02-54 § 2, 2002)

D. Cul-de-sac or Curved Street Lots

Where lots front a cul-de-sac or curved street with a radius of two hundred (200) feet or less:

1. The minimum lot widths set forth in paragraph C above are measured at the front building setback line along an arc parallel to the right-of-way of the cul-de-sac or curved street.

2. The lots shall also be laid out so that their lot frontage, as measured on the arc of the right-of-way line, is at least fifty (50) percent of the required lot width measured at the building setback line and at least thirty-seven (37) feet measured on the arc of the right-of-way line.

E. Arterial or Collector Streets

Residential lots for single-family dwellings or duplexes:

1. shall not face existing or designated arterial streets,

2. shall not face collector streets unless required by unique topography or shape,

3. shall not have a driveway with direct access onto a designated arterial street,

4. if the lots are shown on a plat, the plat shall contain language prohibiting the construction of driveways onto designated arterial streets, and

5. shall be platted with extra depth of at least 5 feet where lots back up to an arterial or higher classification street.

F. Double and Reverse Frontage

Double frontage and reverse frontage lots are prohibited unless:

1. They are needed to separate residential development from a state highway, expressway, freeway, county highway or arterial street, and

2. Include a planting screen easement of at least fifteen (15) feet, across which there is no right of access.

G. Flag Lots

Flag lots are prohibited in all subdivisions, except in conservation developments or planned districts where topography necessitates additional flexibility.

H. Corner Lots

Corner lots shall have:

1. a minimum width of 70 feet to provide appropriate building setback from the orientation to both streets, and

2. a side yard of at least 20 feet on the street side.

I. Frontage

1. Every residential lot shall front on a public or private street.

2. Every nonresidential lot shall front on a public or private street or have access to a public or private street by means of a public access easement to a point approved by the City.

J. Transitional Lot Standards

Purpose: this subsection provides for an orderly transition from lower-density to higher density developments by providing an adequate transition between varying sizes of single- and two-family residential lots. This section offers several options to ensure that transitional development designs achieve a character and appearance comparable to the larger-lot subdivision.


This section applies to subdivisions in the R-1 and R-2 districts that adjoin existing, residential lots. These subdivisions may use any of the options set out in subsections 2 through 4 below to provide a transition between the existing subdivision and the new subdivision.

For purposes of this subsection, proposed subdivisionsadjoin” existing subdivisions if –

The subdivisions share a common boundary, or

The subdivisions are separated by a local or collector street. In this case, the street is considered the common boundary for purposes of this subsection.

Parcel match along boundary

Parcel match along common intersecting street

Figure 18.30.065-1. Option 1: Parcel Size Matching.

The minimum lot sizes in the immediately adjacent developed subdivision are maintained at the edge of the proposed subdivision (see Figure 18.30.065-1). If this option is used and the subdivisions share a common intersecting street, the minimum lot size must be maintained for a distance up to the next intersecting street interior to the proposed subdivision.

Figure 18.30.065-2. Option 2: Yard Matching.

The rear yard widths of the proposed development may match the rear yard widths of the existing development (see Figure 18.30.065-3). If this option is used, the transitional lots must align the lot sizes and lot lines to the greatest degree possible to the lots at the edge of the existing subdivision to the extent possible.

Figure 18.30.065-3. Option 3: Buffer.

A buffer along the immediately adjacent developed subdivision may be established. The buffer minimum width is 60 feet or one-half of the average minimum lot depth of the adjoining developed property, whichever is greater (see Figure 18.30.065-2). The buffer may include:

Common open space for the proposed subdivision, and may include paths, trails or other subdivision amenities, or

Landscaping along collector streets (see Section 18.30.130.H), or

A Class “4B” buffer (see Section 18.30.130.J).

(Ord. 15-16 §3, 2015)