TL;DR (generated, confidence: high)

Portal listing residential permitting forms, guides, and reference documents with update dates, covering permits, septic systems, zoning, and design requirements for Portland residential development.

Key points:

Daily Pre-Issuance List for residential and sign permits (updated April 17, 2026) (Documents ↗)
Daily Pre-Issuance List for Solar, Mechanical (stand-alone), and Residential Deferred Submittals and Revisions (updated April 17, 2026) (Documents ↗)
FAR (Floor Area Ratio) regulations define relationship of building area to site area to determine how much building is allowed (Documents ↗)
Septic systems required for properties without physical/legal access to public sanitary sewer; septic approval and decommissioning permits available (Documents ↗)
Neighborhood Contact requirement (form last updated 12/03/2020) must be completed before land use review or building permit submission (Documents ↗)
Residential deck guide provides permit-ready prescriptive plans for design, permitting, and inspection (updated February 3, 2026) (Documents ↗)
Tree removal form required only when removing trees 36 inches or greater on private property (updated February 5, 2026) (Documents ↗)
Field Issuance Remodel (FIR) Program maintains list of registered contractors (updated March 10, 2026) (Documents ↗)

Entities: document: Pre-Issuance List | regulation_concept: Floor Area Ratio (FAR) | program: Field Issuance Remodel (FIR) Program | requirement: Neighborhood Contact requirement | form: Land Use Type III Decision Appeal | reference_document: Erosion and Sediment Control Manual | zoning_designation: Airport Noise Impact Overlay Zone

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PortlandMaps and GIS help guides

Source: PortlandMaps and GIS help guides ↗

Label: Guide

Get information about private property, land use reviews, permits and enforcement cases administered. And, get helpful user guides for how to use PortlandMaps. Request complete property records online ↗.

PortlandMaps and permit and case search options

Use the PortlandMaps Advanced ↗ to find:

Other maps and surveys: Multnomah County SAIL

Get survey information and tax assessor’s maps in Multnomah County ↗. Search by address, tax lot number, plat name, survey number, and more.

PortlandMaps Help Guides

Get step-by-step instructions for PortlandMaps permits and land use case search tools:

PortlandMaps Help Guide: General Search Permit Information | Portland.gov ↗
- The General Search Guide explains how to search by address and find data in the Permits & Zoning area. Review activity on a permit or case. Find out how to view documents associated with permits.
PortlandMaps Help Guide: Land Use Search Guide | Portland.gov ↗
- The Land Use Case Search Guide explains how to find information on land use review cases by case type. You can also review neighborhood, historic, and conservation district and date range. And, create map-based views of land use review records. Then, download data into a spreadsheet.
PortlandMaps Help Guide: Advanced Permit Search | Portland.gov ↗
- The Advanced Search Guide explains how to search by permit application or IVR number. You can also create map-based views of permit records by permit type, date range, permit status, neighborhood association, and other options. Then, download data into a spreadsheet.
How to Use PortlandMaps to Check on a Permit Under Review | Portland.gov ↗
- PortlandMaps and the PP&D Permit/Case Search can be used to find active and historical permits. Click the link above and follow the directions to view the status of your building permit on PortlandMaps.