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Land Division Application Requirements

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Get the application requirements for your land division review.

Required application materials

A detailed list of submittal requirements can be found in Portland Zoning Code Section 33.730.060.D Quasi-Judicial Procedures.

Submit all materials as electronic PDFs.

Required plans

Include the following required plans for your land division review application. Information may be combined on one or more plans.

For all plans

The following information must be surveyed:

  • Title of the plan
  • North arrow
  • Scale used
  • Existing boundary lines of the site with dimensions
  • Total site area
  • If 4 or more lots are proposed, include the subdivision name

Existing conditions plan

A surveyor must prepare plans and should include:

  • Ground elevations shown by contour lines at 5-foot vertical intervals for slopes greater than 10%, and at 2-foot vertical intervals for ground slopes of 10 percent or less
  • Existing development, including dimensions and distances to property lines. Identify structures and facilities to remain.
  • Location and dimensions of existing driveways, curb cuts, and sidewalks on and abutting the site
  • Seeps/springs, wetlands, watercourses, all water bodies including the ordinary high water line and top of bank
  • The center line of existing drainageways, including ditches, swales, and other areas subject to wet weather inundation
  • Location of the combined flood hazard areas and floodway, including elevations.
  • Stamp and signature of surveyor
  • Additional Information:
    • Zoning designations
    • Location, dimensions, and purpose of existing easements on and abutting the site

Preliminary land division plan (plat)

A surveyor must prepare plans and should include:

  • Proposed lot lines, with dimensions
  • Each lot must be labeled lot or parcel and assigned a number
  • The square footage of each lot, tract, or right-of-way

Proposed improvements plan

  • Existing development to remain and distance to proposed lot lines
  • Existing and proposed services and utilities
  • Proposed lot layout with sizes and dimensions
  • Proposed lots identified and numbered; lots should be identified as follows:
    • "Lot" for 4 or more
    • "Parcel" for 3 or less
  • Proposed tracts with area, dimensions, purpose, and name
  • Proposed layout and widths of all rights-of-way including dimensions and roadway widths, including dedication along existing streets
  • Proposed street and pedestrian connection improvements
  • Proposed on-street parking
  • Proposed location, dimensions, and purpose of all easements on and abutting the site
  • Preliminary stormwater plan showing the capacity, type, and location of the stormwater facilities proposed and information on the feasibility of the system proposed. Stormwater reports/ calculations must be provided as necessary to demonstrate compliance with the Stormwater Management Manual
  • Conceptual building footprints and driveways to demonstrate feasibility of providing services to the lots

Utility plan

If not depicted on the proposed improvements plan, provide a separate utility plan showing:

  • Existing and proposed water and sewer service lines and stormwater management methods

Preliminary clearing and grading plan

 Identify all areas of clearing and grading. The plan must show the following:

  • Existing contours and drainage patterns
  • Existing drainageways, streams, springs, seeps, wetlands, and other water bodies
  • Existing trees and vegetation
  • Boundaries of Environmental, River Environmental, or Pleasant Valley Natural Resources Overlay Zones
  • Proposed areas of clearing and grading for:
    • Rights-of-way
    • Services and utilities
    • Structures, such as retaining walls
  • Proposed contours within areas to be cleared and graded
  • Proposed stormwater and sedimentation control devices to be used during construction
  • Proposed stockpile areas
  • Proposed trees and vegetation to be preserved
  • Proposed limit of disturbance and location and material of construction fencing
  • Proposed amount (cubic yards) of soil to be disturbed, deposited, or removed from the site
  • Proposed sq. footage of site to be cleared and/or graded
  • Proposed structures necessary to construct streets or pedestrian connections

Tree information

Existing tree map and preservation plan

  • Surveyed location, species and size of all trees completely or partially on the site and within adjacent rights-of-way
  • The approximate location, species and size of trees on adjacent sites, within 15 feet of proposed or future disturbance areas
  • Tree numbers corresponding to the arborist report
  • Identification of trees to be removed and trees to be preserved
  • Tree protection meeting the requirements of Chapter 11.60 Technical Specifications
  • Existing and proposed tree preservation tracts

Tree planting information

Arborist report

  • Evaluation of tree health and condition
  • Identification of tree groves and Heritage Trees
  • Identification of nuisance, dead, dying, and dangerous trees
  • Evaluation of the suitability of each tree for preservation
  • Identification of trees to be preserved, root protection zones and tree protection methods
  • Construction management needs and recommendations for short or long-term tree care
  • Identification of trees in adjacent rights-of-way or on adjacent sites that may be affected by the proposed development and recommendations for tree protection and methods to limit impacts 


Apply

Visit Apply for Land Division Reviews for details on how to apply.

Contact

General Inquiries

Portland Permitting & Development
503-823-7300The phone is answered Monday through Friday from 8 a.m. to 5 p.m. Please leave a message if you call outside of those hours.
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