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A. Required Site Area per Dwelling Unit by Zone.

Zone

R-1

R-2

R-3

C-1

Maximum Unit/Area Ratio

Dwellings 800 square feet or less

1 dwelling per 2,300 feet of building site area

1 dwelling per 1,250 square feet of building site area

1 dwelling per 1,250 square feet of building site area

1 dwelling per 1,250 square feet of building site area

Dwellings 800 square feet or more

1 dwelling per 2,500 feet of building site area

1 dwelling per 1,500 square feet of building site area

1 dwelling per 1,500 square feet of building site area

1 dwelling per 1,500 square feet of building site area

Minimum Lot or Parcel Size* Site

4,600 SF Site
N/A on individual lots

2,500 SF Site
N/A on individual lots

2,500 SF Site
N/A on individual lots

2,500 SF Site
N/A on individual lots

Minimum Units per Development

2

2

2

2

Max Units per Development

6

8

12

12

Max Units per Building

2

4

4

4

Max Units Allowed for Existing Building Conversion

4

4

4

4

B. Building Types Allowable Under the Middle Housing Code.

1. Two dwelling unit configurations (attached and detached configurations).

2. Three dwelling unit configurations (attached and detached configurations).

3. Four dwelling unit configurations (attached configurations).

4. Cottage cluster configuration (detached configuration).

5. Single-family conversion.

C. Setback/Site Perimeter Buffer Yard. Unless otherwise noted* setbacks/site perimeter buffer yard areas shall be measured from the exterior perimeter of the building site. Setback/site perimeter buffer yard areas shall be landscaped in accordance with subsection (G) of this section; no structures shall be permitted in the yard areas unless allowed under subsection (M) of this section, Permitted Obstructions.

Required Site Perimeter Yards Buffer

Min. Distance

Notes

Public Street Buffer Yard

10 feet

Shall be measured from the right-of-way unless a public sidewalk easement is required to accommodate frontage improvements. In that case the 10-foot buffer yard shall be provided from the outer edge of the sidewalk from the street.

Rear Yard Buffer Yard

10 feet

The rear yard is the yard on the opposite of the street frontage. On corner lots the rear yard may be opposite either street frontage.

Rear Yard Buffer Yard*

5/0

*A project that takes access from a single driveway approach on the side of the corner lot may reduce its buffer to 5 feet. If the driveway is a shared access with adjacent property it may reduce its buffer to 0. (See Figure 2 below)

Interior Side Buffer Yard**

5 feet

**6 feet in R-1

Alley Buffer Yard

5 feet

Garage Buffer Yard from a Public or Private Street

20 feet

Garages shall maintain a 20-foot setback from a public or private street.

Garage Buffer Yard from an Alley

5 feet

Garages shall maintain a 5-foot alley setback.

D. Frontage and Utilities.

1. Public Street Dedications. Middle housing development shall comply with City standards for frontage improvements, dedications, and the undergrounding of utilities.

2. Street Connectivity and Formation of Blocks Required. To promote efficient vehicular and pedestrian circulation throughout the City, middle housing land divisions and site developments shall produce complete blocks bounded by a connecting network of public and/or private streets, in accordance with the following standards:

a. Block Length and Perimeter. The maximum block length and perimeter shall not exceed 600 feet length and 1,600 feet perimeter.

b. Exception. Exceptions to the above standards may be granted when blocks are divided by one or more pedestrian or bike pathway at least five feet in width located in a dedicated right-of-way or within a public access easement.

3. Street Frontage Improvements. Shall be designed and established as part of the plat and building site development approval. Unless waived by the City Engineer, public sidewalks and street trees shall be installed to meet Hood River’s street and engineering standards. Where insufficient right-of-way exists, sidewalk and landscape improvements may be installed in public easements to satisfy frontage improvement requirements.

4. Frontage Requirements. Individual lots created as part of a middle development subdivision are not required to have frontage on a public or private street. However, the development site shall have frontage or lawful access from a public or private street.

5. Public Utilities. All lots shall be served by individual services from a private or public distribution main. Any deviations from City standards may be approved by the City Engineer. All individual service lines that cross property shall be placed in an easement.

E. Parking.

1. Each dwelling unit shall be provided with at least one parking space on the building site which may be located within the required front yard setback and buffer yard area. Parking for middle housing developments shall be located on the building site, on individual lots, or in shared common areas, and identified on the tentative subdivision plan and/or site plan. Parking spaces shall be nine feet by 18 feet minimum dimensions.

2. Parking spaces may be located within a garage attached or detached to the unit. Shared garages may be allowed but may not contain more than four parking spaces, may not be attached to an individual detached dwelling unit, and shall not exceed 18 feet total height as measured in subsection (J) of this section.

3. One bicycle storage space shall be provided and shown on the site plan for each unit.

F. Access, Circulation, Driveways, and Approaches.

1. Driveway Approach. Driveway approaches must comply with the following:

a. The total width of a middle housing driveway approach may not exceed 14 feet per frontage as measured at the property line, unless required for public or emergency access (Figure 1).

Figure 1

Figure 2

b. Driveway approaches must meet the Hood River driveway spacing standards.

c. Lots or parcels must access the street with the lowest classification.

d. When a middle housing project abuts an alley, access must be taken from the alley. When alley access is required a second point of access may be allowed from an adjacent street frontage.

e. Only one single driveway approach per building site frontage is allowed.

f. A middle housing project that includes a corner lot shall take access from an alley or single driveway approach on the side of the corner lot (Figure 2). When alley access is required, a second point of access may be allowed from an adjacent street frontage.

g. Minimum driveway turning of radius 10 feet inside radius 18 feet outside radius shall be required for parking areas and garages.

G. Storm Water, Low-Impact Development, Landscaping, and Tree Preservation.

1. Storm Water and Low-Impact Development.

a. It is recommended, but not required, that developments include open space and landscaped features as a component of the project’s storm water low-impact development techniques including natural filtration and on-site infiltration of storm water.

b. Low-impact development techniques for storm water management are encouraged wherever possible. Low-impact development techniques may include the use of porous solid surfaces in parking areas and walkways, directing roof drains and parking lot runoff to landscape beds, green or living roofs, and rain barrels.

c. Impervious surfaces should be located to maximize the infiltration of storm water runoff. Developers are encouraged to group dwellings and locate parking areas to preserve contiguous, permanently undeveloped, open space and native vegetation.

d. When vegetated, low-impact storm water features may be permitted as required landscape area.

2. Landscape. Middle housing development site shall meet the following landscape standards:

Zone

R-1

R-2

R-3

C-1

Percent Landscape Area

40%

35%

30%

30%

a. All middle housing project site shall provide a minimum amount of landscape area and coverage as outlined below.

b. All middle housing project site shall provide a minimum amount of landscape plantings as outlined below.

Required Site Perimeter Buffer Yard

Distance

Planting Requirements

Public Street Buffer Yard

10 feet

1, 2-inch caliper# single stem street tree and 5 shrubs for every 30 feet of frontage. Required street tree frontage plants may be counted to satisfy this provision.

Notes

* If no sidewalk and tree parkway are developed in the right-of-way the required trees may be planted in the front street buffer yard within a public easement.

Rear Buffer Yard* (where rear access is used and buffer eliminated no planting shall be required)

10 feet

*1, 2-inch caliper# tree and 5, 5-gallon shrubs for every 30 feet.

Interior Side Buffer Yard**

5 feet

**6 feet R-1

1, 2-inch caliper# tree and 5, 5-gallon shrubs for every 50 feet.

Alley Buffer Yard

5 feet

None

Notes

*Landscape buffer may be located adjacent to the alley right-of-way or as a minimum 5-foot yard between alley loaded parking and the site.

#Caliper shall be measured at 12 inches above the root ball.

Tree Preservation

Existing trees preserved as part of the development will be credited inch for inch toward the perimeter (not street frontage) tree planting requirement.

3. Internal Pedestrian Circulation.

a. Development shall include pedestrian walkways for internal circulation on site. The minimum width for pedestrian paths shall be four feet. Paths must provide a connection between each unit to adjoining rights-of-way. These walkways must be shown on the subdivision plan or site plan and be part of the common areas/tracts. Public sidewalks and internal pedestrian walkways may be counted toward landscape requirements.

H. Dwelling Unit Size Restrictions (Method of Measurements).

1. Maximum Floor Area. The maximum floor area per dwelling unit is 1,200 square feet. An additional area not to exceed 300 square feet shall be allowed to accommodate an attached garage.

2. The size of a dwelling may not be increased beyond the maximum floor area unless the building site plan and subdivision plat can be amended and meet all applicable landscape and building site standards. A deed restriction shall be placed on the property notifying future property owners of the size restriction.

I. Building Orientation and Separation.

1. Interior Building Separation. A middle housing development may include attached, as well as detached, units. With the exception of attached units, there shall be a minimum separation of six feet between the exterior walls of the dwelling units. All units including accessory buildings (e.g., carport, garage, shed, common house, multipurpose room) shall comply with building and fire code requirements for separation from residential structures.

2. The front of a dwelling is the facade with the main entry door and front porch. This front facade shall be oriented toward a public street. If a unit is not adjacent to a public street, it shall be oriented toward an open space or an internal pedestrian circulation path.

J. Height (Method of Measurements) and Limit and Slope Impacts.

1. Height. Building height of all dwellings shall comply with following restrictions and limits:

a. Building Height. Dwelling units with a pitched roof shall be no more than 28 feet in height as measured from the average grade of the building perimeter as shown below.

b. Building Height. Dwelling units with a shed roof shall be no more than 25 feet in height as measured from the average grade of the building perimeter as shown below.

c. Building Height. Dwelling units with a flat roof shall be no more than 21 feet in height as measured from the average grade of the building perimeter as shown below.

Average Grade Calculation Method – Building Perimeter

Building Height Calculation – Pitched Roof

Building Height Calculation – Shed Roof

Building Height Calculation – Flat Roof

K. Required Architecture.

1. Units shall avoid blank walls by including at least one of the following:

a. Changes in exterior siding material.

b. Bay windows with a minimum depth of two feet and minimum width of five feet.

c. Eaves of 15 inches or greater.

Figure 3

2. Windows and doors shall account for at least 15 percent of the facade area for facades oriented toward a public street or common open space. Facades separated from the street property line by a separate dwelling are exempt from meeting this standard (Figure 3).

3. Wall elevations that exceed 20 feet in height at any point shall include a wall or plane break of at least two feet in depth and six feet in width for every 20 feet of elevation length.

4. Front Porches. Each dwelling unit shall have a porch and if adjacent to a public street shall have a porch facing the public street. The porch is intended to function as an outdoor room that extends the living space of the units into the semipublic area between the unit and the open space or right-of-way. Front porches shall include the following:

a. The minimum porch depth shall be five feet.

b. The front door of the dwelling must open onto the porch.

L. Permitted Obstructions. The following may be permitted in setback yard buffer areas:

1. Air conditioning equipment under four feet in height.

2. Driveway approaches 14 feet in width and under shall be permitted to cross perpendicular to the front yard setback.

3. Eaves, chimneys, and gutters may project into buffer yards and building separation areas by 15 inches.

4. Fences four feet and under in height as measured from grade.

5. Flagpoles and lights under 15 feet.

6. Public access facilities and easements.

7. Public and private utilities.

8. Retaining walls less than four feet in height. If more than one retaining wall is located within the setback, the distance between each wall must be equal to the height of both walls, and the area between the walls must be landscaped (Figure 4).

9. Sidewalks four feet or less in width. The encroachment limit shall be 15 inches into a side buffer yard.

10. Trash enclosures (rear yard only).

11. Parking spaces in the front yard per subsection (E)(1) of this section.

M. Fences.

1. Fences shall be shown on middle housing site plans. Fence height is limited to four feet along interior areas adjacent to open space, in front and side yard setbacks abutting a public street, and between units. Perimeter fences that are outside the interior side and rear site perimeter buffer yards of the development and not adjacent to a street frontage may be up to six feet high, except as restricted by HRMC Chapter 17.04, Clear Vision at Intersection.

2. Chain-link fences are prohibited.

N. Accessory Buildings, Common Buildings, Existing Nonconforming Structures and Accessory Dwelling Units.

1. Accessory and Common Buildings. An accessory community building for the use of the housing development residents may be permitted as part of a middle housing development. Accessory or common buildings shall not be attached to dwellings, shall comply with building code separations, and shall not interfere with required landscaping amounts.

2. Existing Dwelling Units. An existing single-family residential structure built prior to the effective date of this code, which may be nonconforming with respect to the standards of this chapter, shall be permitted to remain as part of a middle house development. Existing nonconforming dwelling units shall be included in the maximum permitted unit density and parking standards. Existing access points for existing dwellings shall be allowed to remain when included as part of a middle housing development.

3. Existing Dwelling Units. An existing single-family residential structure built prior to the effective date of this code, which may be nonconforming with respect to the standards of this chapter, may be converted to permit the allowed density or four units, whichever is less, so long as the dwelling can comply with building, fire code, and parking requirements. An existing structure may not be converted or altered in a way that increases nonconformity with this chapter. Existing driveways and parking may remain.

4. Accessory Dwelling Units. New accessory dwelling units (ADUs) are not permitted in middle housing developments, except that an existing ADU that is accessory to an existing nonconforming single-family structure may be counted as a unit if the property is developed subject to the provisions of this chapter.

5. Middle housing dwellings developed under the provisions of this chapter which are located in the C-1 zone shall not be licensed as short-term rentals, unless the dwelling complies with all licensing provisions and is the owner’s primary residence. (Ord. 2061 §2 (Exh. A), 2021)