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  • Submittal Checklist for Tentative Plat


    A tentative plat is a plan showing the existing conditions of the property and surrounding areas on which proposed development is overlaid.  A tentative plat demonstrates that the property conforms to all applicable subdivision requirements.

    Administrative Review Requirements

    The following information is required prior to the County initiating substantive review:

    • To be administratively complete, drawings shall include the following information:
      • The seal of an Arizona Registered Civil Engineer
      • Name of development and developer
      • Brief legal description
      • Parcel number(s)
      • Gross area of the subdivision in acres
      • A bold line delineating project boundary (on a separate DWG layer)
      • Boundary Survey corner ties (on a separate DWG layer)
      • Parcel/lot boundaries (on a separate DWG layer)
      • Each block or lot shall be numbered and shall include area in acres or square feet        
      • Presence of proposed grading limits
      • Site topography
      • Presence of proposed streets and connection points
      • Adjacent streets and developments, including floodplains
      • Sewers
      • North arrow & scale
      • Small location map
    • Title Report current to within 60 days
    • Traffic Impact Study or Traffic Memorandum, if required
    • Final integrated water management plan, if required as a condition of rezoning 
    • Drainage Report
    • Riparian Habitat Disturbance Calculation, if greater than zero, and Riparian Habitat Mitigation Plan, if greater than 14,520 square feet.
    • Landscape Plan
    • Recreational Area Plan
    • Official copies of all approvals and restrictions associated with the property, including but not limited to: Rezoning conditions, Conditional Use Permits, and Board of Adjustment/Design Review Committee cases
    • For septic systems: Soils Reports if new septic system is proposed; Operating Permit if existing septic system is used; Design Calculations if new or existing septic system is used; and approved waiver if septic system is within 200 feet of public sewer  

    Substantive Review Requirements

    The drawings and supplemental information shall be reviewed against the following criteria in order to determine substantive compliance with adopted regulation:


    • Boundary survey data, basis of bearing and elevation
    • All existing and proposed public and private easements shall be accurately represented on drawings
    • Label all existing streets and provide recording information
    • Show all proposed right-of-way and trail dedications
    • Label all common areas with a separate letter designation for each use, and provide square footage of each
    • Where sheets are continued and match lines are used, ghost in adjacent lot numbers and lot lines


    • Show only existing structures/improvements which are to remain in project and label these as “existing”
    • Show zoning setbacks including those to major streets and scenic routes, if applicable
    • Identify bufferyard widths
    • Identify use and zoning designation (note if zoning is conditional)
    • In cases where zoning is conditionally approved as part of rezoning, demonstrate that all rezoning conditions have been or will be approved
    • If site is subject to Hillside Development Zone or other overlay zones, demonstrate compliance with standards
    • Zoning boundaries must conform to lot/block lines or shall be delineated with bearings and distances
    • Provide parking calculations and note number of spaces provided, loading zones, bicycle racks, etc.
    • If the project is subject to a rezoning, include the following note: This subdivision is subject to Board of Supervisors Rezoning Conditions as found in case number XX as approved on (date) [and amended on (dates)]. The following conditions affect the issuance of building permits: (list conditions verbatim)
    • If the project is subject to Design Review Committee requirements, include the following note: This subdivision is subject to Design Review Committee requirements as found in case number XX as approved on (date) [and amended on dates)]. The following requirements of the Design Review Committee affect the issuance of building permits: (list requirements).
    • If the project is subject to a variance, include the following note: This subdivision is subject to the conditions of a variance approved by the Board of Adjustment as found in case number XX approved on (date).  The following conditions affect the issuance of permits: (list conditions verbatim).
    • If the project is subject to the Buffer Overlay Zone, include the following note: This subdivision is subject to Buffer Overlay Zone.

    Cultural Resources

    • Compliance with protection and documentation of archaeological, historical, and other cultural resources

    Landscaping/Native Plant Preservation

    • Bufferyards
    • A native plant preservation plan is required for all projects unless a waiver has been obtained by demonstrating the historical use of the property prior to August, 1998 has left the property denuded of protected species
    • Landscape Plan shall meet RFCD requirements of TECH-009, if applicable
    • Ease mitigation requirements for Pima pineapple cactus and 2 other protected plants with a Certificate of Coverage

    Natural Resources, Parks & Recreation

    • Projects encompassing or abutting trail corridors listed on the Pima Trails System Master Plan shall provide space to accommodate corridors, shall construct the segments of trails therein and shall provide an easement thereto that Pima County may record

    Flood Control & Riparian

    • Drainage Report shall meet the requirements of TECH-114 and RFCD Drainage Report checklist
    • Drawings shall be in conformance with RFCD tentative plat checklist
    • Show Community Acknowledgement of any FEMA map revisions
    • Demonstrate functionality of any off-site flood control improvements
    • Drawings shall be in conformance with Riparian Review checklist 
    • Riparian Habitat Mitigation Plan, if required, shall conform to the requirements for the type of mitigation chosen
    • Demonstrate compliance with final integrated water management plan

    Note that additional RFCD resources are available.


    • Indicate that all subdivision streets will be designed in conformance with the Subdivision and Development Street Standards (Amended 11/22/17)
    • Indicate whether proposed streets are to be public or private
    • Delineate typical street section
    • Show centerline radius for all horizontal curves
    • Label and dimension all sight visibility triangles and provide profiles for intersections


    • Provide proposed sewer layout
    • Provide proposed point of connection to public sewer including public sewer IMS manhole and/or sewer line number
    • Identify proposed sewer easements

    Environmental Quality

    • If the project includes on-site waste disposal:
      • Show location of existing and proposed onsite disposal systems
      • Show percolation tests and soil profile hole locations is onsite disposal systems are used
      • Show location of all well sites
      • Additional requirements are noted on the septic concept review checklist
      • Septic Concept Application


    • Identify water service provider
    • Provide proposed water layout
    • Provide proposed point of connection to public water including public waterline number
    • Identify proposed water easements

    Process Requirements

    Please verify Platting Procedures document posted on our web site.

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    Development Services

    201 N. Stone Ave.
    Tucson, AZ 85701

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    Carla Blackwell

    Lauren A. Ortega, PE
    Deputy Director

    Chris Poirier
    Deputy Director

    Daniel Ice
    Chief Building Official

    Joseph Godoy
    Principal Site Review Manager

    Mark Masek
    Assistant Building Official

    Robin Freiman
    Addressing Official