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  • Address Display Requirements


    (Address must be displayed prior to calling for a building inspection)

    Detached Residential 

    • Structures < 50 feet from the curb require 4” (recommended 6”) numbers displayed on the building (visible from primary access)
    • Structures > 50 feet from the curb require 4” (recommended 6”) numbers displayed a minimum of 35" above the ground at the primary access point


    • Entrance numbers shall be 12” and Building numbers shall be 15”
    • Apartment number ranges displayed below building numbers shall be 8”
    • Apartment number ranges displayed on signage near the building shall be 2”
    • Apartment numbers shall be 4” on outside entrances and 1” for interior hallways
    • Number ranges required on buildings or signage


    • Buildings < 50 feet from the curb require 12” numbers displayed on the buildings
    • Buildings > 50 feet from the curb require 15” numbers displayed on the buildings
    • Tenant suite numbers shall be 4” (placed on or above primary entrance)
    • Address range must be displayed in 12” numbers on the building

    RV and Mobile Home Parks 

    • Entrance numbers shall be 12”; Building numbers shall be 6” and Space numbers shall be 4”

    General Requirements

    • All above number sizes are minimums
    • Addresses shall be displayed and visible from both street directions of approaching vehicles
    • Permanent numbers and letters shall be made of durable and clearly visible material such as wood, metal, ceramic, plastic and vinyl
    • Numbers shall have a minimum proportion ratio of 6:1 (height to width)
    • Numbers cannot be spelled out
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    Development Services

    201 N. Stone Ave.
    Tucson, AZ 85701

    Lobby hours are
    8:00 am to 4:00 pm
    Monday - Friday
    County observed holidays

    (520) 724-9000

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    Carla Blackwell

    Chris Poirier
    Deputy Director

    Joseph Godoy
    Deputy Director

     Daniel Ice
    Chief Building Official

    Mark Masek
    Assistant Building Official

    Robin Freiman
    Addressing Official