Portland City Code ch. 14 (Land Use Code)

Citation: Portland City Code ch. 14 (Land Use Code)
Jurisdiction: Portland (municipal)
Source: Official source
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CITY OF PORTLAND LAND USE CODE | 16-7
HISTORIC PRESERVATION

TABLE 16-A: HISTORIC PRESERVATION REVIEW CLASSIFICATIONS
Administrative Review Board Review
New construction and additions ≤ 500 SF > 500 SF
Dormer additions1
Affecting ≤ 40% of roof area (in SF) Affecting > 40% of roof area (in SF)

Minor alterations All --
Alterations to
≤ 25% of any façade, or where work
contributing buildings, Major alterations
is based on clear documentation of > 25% of any facade
structures, or objects2
the historic appearance
Alterations to Minor alterations All --
noncontributing,
buildings, structures, or Major alterations ≤ 40% of any facade > 40% of any facade
objects2
Site alterations3 All --
Signage All --
Relocation of buildings, structures, or objects4
≤ 500 SF > 500 SF
1
Dormer additions include any increase in volume which does not interrupt the ridges, eaves, or rakes of an existing building or structure.
2
Minor alterations include small or routine changes such as required by building code or modern convenience which result in minimal change in
exterior appearance of an existing building, structure, or object. Major alterations include changes to existing or introduction of new details or
features which affect the scale, form, proportion of openings, ratio of solid to void, rhythm or placement of entrances, color or texture of materials, or
relationship to the street of an existing building, structure, or object.
3
Site alterations include the construction of permanent features such as fences and retaining walls, regrading, hardscaping, and the installation of
exterior utilities.
4
Relocations include the moving of a building, structure, or object on its site or to another site.