DUPLEX
Mesa City Code § 11-59-7
in effect11-59-7: - DUPLEX
A. Description
Duplex: This Building Type is a small-to-medium-sized structure that consists of two (2) side-by-side or stacked dwelling units, both facing the street, and sharing one (1) common party wall. A Duplex has the appearance of a medium to large single residence home and is appropriately scaled to fit within primarily single residence neighborhoods or medium-density neighborhoods. It enables appropriately-scaled, well-designed higher densities and is important for providing a broad choice of housing types and promoting walkability.
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[image omitted; see the official code] | [image omitted; see the official code]
(All photos are illustrative, not regulatory)
B. Permitted Transects
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C. Number of Units
Duplex | 2 max.
Accessory Dwelling Unit | See Section 11-31-3: Accessory Dwelling Unit
D. Building Size, Massing, and Height
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Main Body
Height | See Chapter 58: Building Form Standards
Width | 48' max. | [image omitted; see the official code]
Secondary Wing(s)
Width | 30' max. | [image omitted; see the official code]
Accessory Structure(s)
Width
Individual unit ownership | 24' max. 2 | [image omitted; see the official code]
Shared between units | 48' max. 2 | [image omitted; see the official code]
Depth | 30' max. 2 | [image omitted; see the official code]
E. Frontage Requirements.
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Allowed Private Frontages | Porch, Engaged Porch, Projecting Stoop | See Chapter 60: Private Frontage Standards for private frontage type descriptions and regulations
Entrance Locations | Front 3, 4 | [image omitted; see the official code]
F. Vehicle Access and Parking
Parking shall be accessed from the alley, side street or front.
Parking may be accessed from the front only when there is no adjacent alley or side street.
Parking spaces may be enclosed, covered, or open.
G. Private Open Space
Width | 15' per unit min. | [image omitted; see the official code]
Depth | 15' per unit min. | [image omitted; see the official code]
Area | 300 sf min. 5
Footnotes:
1. Total width of lot(s) if there is a shared property line.
2. Standards do not apply to Accessory Dwelling Units.
3. On corner lots, each unit shall front a different street.
4. Each unit shall have an individual entry facing the street on or no more than 10' behind the front façade.
5. Required street setbacks and driveways shall not be included in the private open space area calculation.
(Ord. No. 5948, § 1, 7-1-25)
Source: City of Mesa, Arizona, Mesa City Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/az/mesa/codes/code_of_ordinances?nodeId=COOR_TIT11ZOOR_ART6FOSECO_CH59BUTYST_11-59-7DUFetched: 11/1/2026