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Oregon Historical County Records Guide

Multnomah County Records Inventory

Zoning Records

1941-[ongoing]

Series documents the development and implementation of codes and policies relating to the zoning of county lands and to illustrate and locate the various zoned areas within the county. Records include uniform zone codes and ordinances depicting various zoned lands in the county. Information in codes and ordinances includes definition, code/ordinance numbers, purposes, uses, conditions for use, and changes made to codes/ordinances. Maps include area and/or zone descriptions, dates created, scales, and commissioners' signatures. Areas are typically zoned for residential, industrial, commercial, flood plain, agricultural, timber, public and government, and mineral extraction uses.

Records at the John B. Yeon Annex Building, Suite 116, Land Use Planning Office:
Case Log Book [Registers-includes zone change, hearings officer, planning commission, and board of commissioners actions], 2001-2007 (7 binders); 2007-2010 (1 binder).

Records at the John B. Yeon Annex Building, Suite 116, Land Use Planning Office Counter Area:
[Zone Maps-Historic], 1994 (ca.200 maps);
[Zoning Related Maps-includes soils, parcels, base zone, recreation intensity], 1995 (ca.200 maps).

Records at the John B. Yeon Annex Building, Suite 116, Land Use Planning Office, Map Room:
ZC [Zone Change Records], 1955-1976 (3 inches of microfiche);
[Zoning Maps-Historic], 1962 (10 volumes); 1977 (12 volumes); 1980 (3 volumes); 1993 (1 volume).

Records at the John B. Yeon Annex Building, Suite 116, Land Use Planning Office, Library Area:
Historic Zoning and Subdivision Codes, 1953-2003 (.75 cu.ft.);
Map Updates [Zoning], 1984-1991 (8 binders);
Multnomah County Zoning Ordinance, 1978-1995 (5 binders);
Ordinance 100 [Zoning], ca.1972-ca.1978 (1 binder);
Zoning Ord. [Ordinance-includes interim], 1953-1955 (1 binder).

Records at the John B. Yeon Building, Room B14:
[Historic Zoning and Subdivision Codes-one sided copies], ca.1953-ca.2003 (2 cu.ft.);
Log Book All Hearings [Registers-includes planning commission, board of adjustment, hearings officer, and zone change actions-title varies], 1953-2000 (46 volumes).

Records at the John B. Yeon Building, Multnomah County Archives:
Planning Commission [Records-documents various land use actions such as zone changes, boundary adjustments, and conditional uses], 1953-1977 (6 feet of microfilm jackets);
Supplement to Journal [Commissioners-includes zoning and other ordinances-title varies], 1941-1978 (73 volumes);
Zoning Ordinance #100 [Multnomah County], 1962 (1 volume);
Zoning Slides [Photographic-documents zone changes], 1951-1993 (17 cu.ft.).

Records at the Multnomah County Central Library:
Multnomah County Zoning Ordinance, 1955 (1 volume); 1990 (1 volume); 1995 (1 volume).

Records at the City of Portland Archives & Records Center:
Land Use Review Records [documents actions related to land divisions, zone changes, conditional uses, and other subjects on former county land annexed by the City of Portland], 1965-1994 (20 cu.ft.).

Records at the Multnomah County Web Site:
Base Zoning Designations-East Multnomah County [Map], n.d. (Internet);
Base Zoning Designations-West Multnomah County [Map], n.d. (Internet);
Historical Zoning Maps [use menu], 1962-2003 (Internet);
Historical Zoning and Subdivision Ordinances [use menu], 1953-2003 (Internet);
Interactive Zoning Map, n.d. (Internet).

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