Mixed-Use Active

MX-3 Lot and Building Standards (Table 11-02.17)

Form and Layout Standards

Applicability

(a) When the MX-3 district is applied to lands that have not previously been developed, the development shall comply with this Section 11-02-03.3.D.
(b) When the MX-3 district is applied to lands that have previously been developed, the redevelopment shall comply with this Section 11-02-03.3.D to the maximum extent practicable if it involves one or more of the following:

i. An increase in the total site area occupied by structures;
ii. An increase in the total gross square footage of structures; or
iii. An intensification of land use, as determined by the Planning Director.

(c) In the event of a conflict between these provisions and any provision in Chapter 11- 03, Use Regulations or Chapter 11-04, Development and Design Standards, the provision requiring the higher level of visual building quality and interest, as determined by the Planning Director, shall apply.

Standards for All Development

Active Use Required

Within each contiguous area of land zoned MX-3 that is under common control or ownership after the Effective Date, at least 60 percent of the approved ground floor street frontage shall be occupied by uses that are in active use by occupants or users of the building or development, or by the general public. This requirement is not met by ground floor parking areas, storage areas, utility facilities, or stairwells that are not accessible from the street frontage.

Streetscape Standards

All development shall comply with the following streetscape standards. The stricter provisions shall supersede any inconsistent dimensional standards in Section 11-04-07, Access and Connectivity.

i. Each frontage on a local street shall include a detached sidewalk at least five feet in width that is separated from the curb line by a minimum of eight to 10 feet when a Class I, II, III street tree is provided depending on the site conditions. This area will accommodate a landscape buffer and street trees required by Section 11-04-09.4, Street Frontage Landscaping. Class I trees are permitted only when overhead powerlines are present.
ii. Each frontage on a collector or arterial street shall include a detached sidewalk at least 10 feet in width that is separated from the curb line by a minimum of eight to 10 feet when a Class I, II or III street tree is provided depending on the site conditions. This area will accommodate a landscape buffer and street trees required by Section 11-04-09.4, Street Frontage Landscaping. Class I trees are permitted only when overhead powerlines are present.

iii. Each lot with frontage on State Street shall include a multi-use pathway at least 12 feet in width that is separated from the curb line by a minimum of eight to or 10 feet when a Class I, II or III street tree is provided depending on site conditions. This area will accommodate a landscape buffer and street trees required by Section 11-04-09.4, Street Frontage Landscaping. Class I trees are permitted only when overhead powerlines are present.

Amenities

An amenity feature that complies with one or more of the following standards:

i. A landscape feature containing at least 400 square feet of area and a minimum width of five feet, or 10 feet if trees are included. Features may include enhanced landscaping areas, lighting, water, art, and/or provisions for seating; or
ii. An outdoor gathering area containing at least 800 square feet of area, that is clearly visible from an adjacent street, with seating for patrons.
iii. Another site feature that improves the experience of pedestrian and/or users of non-motorized vehicles experience, as determined by the Planning Director.

Connectivity

At least one pedestrian walkway of at least 10 feet in width that is bordered by street trees, or by a public or private street with detached sidewalks at least 10 feet in width that:

A. Connects the MX-3 zoning district to one of the adjacent collector or arterial streets;
B. Is bordered along at least 60 percent of its length by buildings with façades no more than 10 feet from the sidewalk; and
C. Is interrupted by no more than one driveway per 200 linear feet, except as required by Idaho law.

At least one pedestrian connection to the local street system in an adjacent residential neighborhood, designed and located to allow residents of the neighborhood to enter mixed-use and nonresidential areas of the MX-3 zoning district without using an arterial street to the maximum extent practicable.

Vehicle-Oriented Facilities

No surface parking spaces or vehicle-oriented ancillary facilities (such as Service Stations or Vehicle Washes) may be located between the building and any street adjacent to the property.

Drive-Through Facilities shall comply with Section 11-03-03.4.Q, Drive-Through Facility.

Ground Floor Design

i. Each building façade facing a public or private street that contains ground floor residential uses shall be constructed within 15 feet of each street-facing lot line/property line and occupy at least 50 percent of the width of the primary street frontage.
ii. Each building façade facing a public or private street or driveway with ground floor nonresidential uses shall:

A. Have at least 50 percent of the area between three and eight feet above the ground floor occupied by windows or other transparent building features through which activity inside the building may be viewed; and
B. Have at least one door open during hours of operation and leading directly from the building interior onto the street (without an intervening shared lobby or entrances shared by multiple tenants or uses) for each 100 feet of horizontal façade length.

Use-Specific Form Standards

Applicability

i. Each development containing more than 10,000 square feet of contiguous land area under common control or ownership that includes a principal use referenced in subsection (b) below in a new primary structure shall comply with the following Use-Specific Form Standards (Allowed Form). In the event of a conflict between these standards and applicable standards in Chapter 11-04, Development and Design Standards, the standards in this Subsection (2) shall apply.
ii. If an application for an allowed use does not comply with one or more of the Use-Specific Form Standards in subsection (b) below, an Alternative Form for the building or development containing the use may be approved by the Planning Commission pursuant to Section 11-05-05.3.A, Allowed Use with Alternative Form.

Use-Specific Form Standards for Residential, Commercial, and Public, Institutional, or Civic Uses Within the MX-3 Zoning District

i. The use shall be located in a building at least four stories in height; and
ii. The use shall not provide a greater number of vehicle parking spaces than the minimum required by Table 11-04.9: Off-Street Parking Requirements, as adjusted pursuant to Section 11-04-08.7, Parking Adjustments.
iii. As an alternative to Subsections (i) and (ii) above, a Multiple-Family Dwelling may meet the requirements of Section 11-04-03.7.D(4) regarding affordable and sustainable development and earn the related incentives.

Cross-References to Other Applicable Code Sections (Table 11-02.16)

• Use Regulations - Chapter 11-03
• Lot and Building Forms and Dimensions - 11-04-03
• Subdivision Standards - 11-04-04
• Sensitives Lands - 11-04-05
• Building Design - 11-04-06
• Access and Connectivity - 11-04-07
• Parking and Loading - 11-04-08
• Landscaping, Fencing Walls and Screening - 11-04-09
• Assured Water Supply - 11-04-10
• Exterior Lighting - 11-04-11
• Signs - 11-04-12

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