The amount of floor area in relation to the amount offsite area, expressed in square feet. For example, a floor area ratio of 2 to 1means two square feet of floor area for every one square foot of site area. FAR is different based on zoning, and works with maximum height to control the overall bulk of buildings. See Zoning Code chapter 500 for details. https://www.portlandoregon.gov/bps/34563-- Additional Information: Category: Zoning Code Purpose: To regulate the amount of use on a site. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54382

Current zoning for the City of Portland and unincorporated portions of Multnomah County that are administered by the city. Includes zoning designations, comprehensive plan designations, overlay zones, as well as plan, historic, and conservation districts. Districts are also available separately.-- Additional Information: Category: Zoning Purpose: Used for producing official zoning maps and for land use analysis. Update Frequency: As needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52098

Maximum height limits how tall a building can be. Maximum height limits vary by zone, and work with other development standards such as FAR or maximum building coverage to maintain the character of an area. See Zoning Code chapter 500 for details. https://www.portlandoregon.gov/bps/34563-- Additional Information: Category: Zoning Code Purpose: To regulate the scale of buildings and in keeping with the overall character of a zone. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54385

Polygons representing areas of required residential development according to the Portland zoning code. These regulations promote new housing in areas suitable and attractive for housing. The requirement is imposed as an alternative to the creation of exclusively residential zoning. This maintains development flexibility while still promoting the housing objectives of the Central City Plan. Zoning Code chapter 500 https://www.portlandoregon.gov/bps/34563-- Additional Information: Category: Zoning Code Purpose: For mapping of required residential development areas in City plan documents. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52736

Environmental zones C and P with transition area. See Zoning Code chapter 33.430.050-- Additional Information: Category: Zoning Code Purpose: Planning Update Frequency: Infrequent-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=58815

Line features representing main street corridors codified in Portland's zoning. These streets are designed to provide enhanced access to businesses and encourage development of a mixed-use environment. https://www.portlandoregon.gov/bps/34563-- Additional Information: Category: Zoning Code Purpose: For mapping main street corridors in Portland zoning documents. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52750

Areas where shadow analysis required. See zoning code chapter 510.-- Additional Information: Category: Zoning Code Purpose: Map areas where shadow analysis required. Update Frequency: Unknown-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54605

Lines representing the locations of applied ordinance setbacks. Special street setbacks may be established on City streets to regulate the location of structures and for maintaining appropriate open areas, and for adequate separation from the street.-- Additional Information: Category: Zoning Code Purpose: For mapping areas where setback ordinances have been applied in Portland. Mapped on Zoning Quarter Section maps. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52751

Polygons representing the boundaries of resource site protection plans. Attribute information includes the name of the plan to which the area belongs, as well as the year in which the plan went into effect. https://www.portlandoregon.gov/bps/article/53343-- Additional Information: Category: Zoning Code Purpose: For mapping resource site protection in Portland. See Zoning Code section 430. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52738

Civic and Neighborhood Corridors in Zoning Code chapter 120 - Multi-Dwelling Zones and 130 - Commercial Mixed Use Zones.Corridors derived from PBOT TSP Street Design Classifications of Civic Main Street, Neighborhood Main Street, Civic Corridor and Neighborhood Corridor.Central City is not included as it has specific standards.-- Additional Information: Category: Zoning Code Purpose: Map location of civic and neighborhood corridors zoning code map 120-1 and 130-3 Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54763

Identify Columbia Corridor Industrial and Environmental Mapping Areas-- Additional Information: Category: Zoning Code Purpose: Map specific corridor areas Update Frequency: Infrequent-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54679

Areas where archaeological pre-construction confirmation must take place. https://www.portlandoregon.gov/bps/article/53364-- Additional Information: Category: Zoning Code Purpose: For mapping related to zoning restrictions in areas of archaeological interest. Update Frequency: As needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52762

Limits on the size of Retail Sales And Service uses promote neighborhood-serving commercial development and help reduce traffic congestion associated with large-scale retailers. Regulations on Mechanical Equipment along the Portland Streetcar Alignment reduce the negative visual and noise impacts of mechanical equipment in areas that allow a mix of residential, commercial, and industrial uses to protect the residential livability, economic vitality, and appearance of these areas. They also minimize the impact of ground-level mechanical equipment along streets and other public areas. https://www.portlandoregon.gov/bps/34563-- Additional Information: Category: Zoning Code Purpose: Map areas of limited use in planning documents. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52741

The parking and access regulations implement the Central City Transportation Management Plan by managing the supply of off-street parking to improve mobility, promote the use of alternative modes, support existing and new economic development, maintain air quality, and enhance the urban form of the Central City. https://www.portlandoregon.gov/bps/34563-- Additional Information: Category: Zoning Code Purpose: Map parking sectors for display in planning documents. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52760

Disaggregated zoning features. Base zones, overlay zones, comprehensive plan designations, comprehensive plan overlays (where different from zoning), plan districts, historic districts, conservation districts and natural resource management plans disaggregated from zoning_pdx and dissolved.-- Additional Information: Category: Zoning Code Purpose: Cartography. Targeted analysis Update Frequency: Nightly-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54688

This table provides a lookup to associate names with codes derived from zoning_pdx-- Additional Information: Category: Zoning Purpose: This table provides a lookup to associate names with codes derived from zoning_pdx Update Frequency: As needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54686

Polygon representing an area of the River General (g) greenway overlay zone for South Waterfront development. https://www.portlandoregon.gov/bps/article/53363-- Additional Information: Category: Zoning Code Purpose: For mapping the General (g) overlay zone in South Waterfront. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52732

Zoning Code layer Commercial and Residential Corridors.-- Additional Information: Category: Zoning Code Purpose: Map location of Commercial and Residential Corridors. Update Frequency: As needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=61064

Required building lines in Plan Districts. Specific requirements for building and major remodeling projects along required building lines are described. Zoning Code chapter 500 https://www.portlandoregon.gov/bps/34563-- Additional Information: Category: Zoning Code Purpose: For mapping and application of Required Building Lines policies. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52724

Zoning Code chapter 120.-- Additional Information: Category: Zoning Code Purpose: Map location of minimum required site frontage areas. Zone code map 120-2. Update Frequency: As Needed-- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=54764