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NOTE: As of 2/28/19, the link to our Title 22 Planning and Zoning Code has been updated. To view Title 22, please click here.
The history of Setback Districts in Los Angeles County is somewhat obscure, and research is needed to better understand their origin and the purpose for which they were intended. There were 15 Setback Districts adopted between 1932 and 1955, of which 11 remain in the unincorporated area (the other four having been absorbed into city boundaries as a result of city incorporations, annexations, etc.). The original 15 Setback Districts are defined in the Los Angeles County Code. The ones that no longer exist are: No. 2 - West Hollywood; No. 10 - E. Compton Midland Precinct TR No. 4827; No. 11 - N.W. El Monte TR. No. 10821; and No. 15 - Lomita.
This layer features polylines for the individual setbacks as shown on the adopted ordinance maps for each of the Setback Districts. As noted above, updates to the original layer resulted in the number of Setback Districts being reduced from 15 to 11.
UPDATE HISTORY:
03-04-2015 - Imported into SDE
03-10-2015 - Corrected several errors in the setbacks by using a Near Analysis with the right-of-way lines to identify the errors
10-29-2018 - Updated Metadata
NOTE: As of 2/28/19, the link to our Title 22 Planning and Zoning Code has been updated. To view Title 22, please click here.
The community standards districts are established as supplemental districts to provide a means of implementing special development standards contained in adopted neighborhood, community, area, specific and local coastal plans within the unincorporated areas of Los Angeles County, or to provide a means of addressing special problems which are unique to certain geographic areas within the unincorporated areas of Los Angeles County. These are the boundaries for the 'Area Specific Standards' within CSDs. Examples include Union Pacific in East Los Angeles and Lake Avenue in Altadena.
UPDATE HISTORY:
11/10/2009 - (San Francisquito Canyon CSD).Modified 10/22/12 (SCV / Palmdale annexations)
10/22/14 - for an update of the Certified Coastal Boundary from the Coastal Commission - affects North Area and Coastal Zone
11/22/16 - updated from massive city boundary update per DPW data.
1/11/18 - CSD ordinance adopted on 12/12/17 by ordinance #2017-0055. The West Altadena Sub-Area was removed and the Lake Avenue Sub-Area was modified and re-named.
6/17/19 - updated the names of CSDs that were corrected in the new Title 22 that was adopted by the Board of Supervisors in January, 2019. "East Compton" changed to "East Rancho Dominguez".
10/3/19 - updated the 'Area Specific Standards' that were enacted with the adoption of the Florence-Firestone Community Plan on 9/3/19. These 'Area Specific Standards' in the Florence-Firestone CSD became effective on this day, and the old ones rescinded. For updated CSD ordinance, click here.
3/12/20 - updated the 'Area Specific Standards' that were enacted with the update of the La Crescenta-Montrose CSD on 2/11/20. For updated CSD ordinance, click here.
6/2/20 - updated the 'Area Specific Standards' following the update of the Santa Monica Mountains North Area Plan' on 5/4/21. Removed the 'Antiquated Subdivision Area'. For updated CSD ordinance, click here.
This layer shows all incorporated and unincorporated areas of Los Angeles County. The incorporated city boundaries are maintained by the Department of Public Works as part of the cadastral landbase, and reflects the most current annexations as of the date listed below. The unincorporated areas are maintained by the Department of Regional Planning for land use planning efforts.
This layer was updated on 7/28/22 to match a major city boundary update from Public Works (see update history below). A hosted feature layer is located here.
UPDATE HISTORY (beginning 2015)
1/5/15 - Re-orginization between Torrance and Rolling Hills Estates
4/22/15 - Annexation to Los Angeles from Florence-Firestone (Jordan Downs)
6/9/15 - updated 'Adopted Date' for Santa Clarita Valley (wasn't done before!)
6/17/15 - following the adoption of the Antelope Valley Area Plan update, the boundary between Santa Clarita Valley and AV was updated, as well as the boundary between Kagel / Lopez Canyons and Antelope Valley.
8/31/15 - updated Universal City for Reorganization 2014-01.
11/5/15 - updated following the General Plan 2035 going into effect. Boundary change for Kagel / Lopez Canoyns, South San Gabriel / Whittier Narrows, and added boundary for Pepperdine University.
3/17/16 - following an Assessor adjustment of parcel #3022012017, city boundary between Palmdale and AV was adjusted. Informed DPW as well.
4/21/16 - updated San Clemente Island to match what DPW had (compared to imagery, ours was shifted). Also a re-orginization between the cities of Rolling Hills Estates, Rolling Hills, and Rancho Palos Verdes. Links to both are here (document 1, document 2).
11/15/16 - Updated for annexation to Santa Clarita that became effective on this day (link to official annexation document is here). Also, updates that resulted from a comprehensive city boundary update after comparison with Public Works' city boundary layer.
4/19/17 - Updated for reorganization between the cities of Pomona and Diamond Bar (click here).
2/5/18 - Updated for reorganization between the cities of Monrovia and Bradbury (click here).
11/20/18 - Updated for RPPL 2017005805 (adopted 10/30/18) for re-alignments between the unincorporated communities of Santa Clarita Valley and Antelope Valley (for plan amendment, click here).
11/21/18 - updated for Plum Canyon / Skyline Ranch / North Sand Canyon Annexation. This annexation was effective on 11/15/18, and a link to the official LAFCO annexation document is here.
1/29/19 - updated for South Walnut / Pomona annexation, which was effective on 1/16/19. A link to the official LAFCO annexation document is here.
5/28/19 - updated for detachment from city of Los Angeles to Del Aire. Effective 5/16/19, and a link to the official LAFCO annexation document is here.
7/25/19 - updated for annexation and detachment from the city of Arcadia to South Monrovia Islands and East Pasadena-East San Gabriel, respectively. Effective 6/13/19, and a link to the official LAFCO annexation document is here.
1/28/21 - updated a couple errors in the data - Date Adopted for the Florence-Firestone Community Plan, and updated Type for Walnut Park to 'NEIGH' (character length limit).
1/26/22 - updated the Twin Lakes / Oat Mountain community boundary through zoning conflation project. This is to follow the updated parcels along the southern Twin Lakes border.
4/12/22 - updated Gilmore Island as it was found to be 5 feet too wide on the easterly boundary. Consulted with Assesor and Public Works for confirmation.
5/23/22 - updated the boundary between Twin Lakes and Oat Mountain to account for a parcel shift as identified by the Zoning Conflation project.
7/28/22 - major update to all city boundaries in the entire county based on an update from Public Works. Several city boundaries were updated to follow parcels, with the majority of changes being slivers, or very minor shifts. The coastline was the major adjustment and used the latest data from NOAA.
8/17/22 - boundary adjustment between Industry and North Whittier per DPW update (APN 8125021943).
NOTE: As of 2/28/19, the link to our Title 22 Planning and Zoning Code has been updated. To view Title 22, please click here.
The community standards districts are established as supplemental districts to provide a means of implementing special development standards contained in adopted neighborhood, community, area, specific and local coastal plans within the unincorporated areas of Los Angeles County, or to provide a means of addressing special problems which are unique to certain geographic areas within the unincorporated areas of Los Angeles County. These are the boundaries for the 'Area Specific Standards' within CSDs. Examples include Union Pacific in East Los Angeles and Lake Avenue in Altadena.
UPDATE HISTORY:
11/10/2009 - (San Francisquito Canyon CSD).Modified 10/22/12 (SCV / Palmdale annexations)
10/22/14 - for an update of the Certified Coastal Boundary from the Coastal Commission - affects North Area and Coastal Zone
11/22/16 - updated from massive city boundary update per DPW data.
1/11/18 - CSD ordinance adopted on 12/12/17 by ordinance #2017-0055. The West Altadena Sub-Area was removed and the Lake Avenue Sub-Area was modified and re-named.
6/17/19 - updated the names of CSDs that were corrected in the new Title 22 that was adopted by the Board of Supervisors in January, 2019. "East Compton" changed to "East Rancho Dominguez".
10/3/19 - updated the 'Area Specific Standards' that were enacted with the adoption of the Florence-Firestone Community Plan on 9/3/19. These 'Area Specific Standards' in the Florence-Firestone CSD became effective on this day, and the old ones rescinded. For updated CSD ordinance, click here.
3/12/20 - updated the 'Area Specific Standards' that were enacted with the update of the La Crescenta-Montrose CSD on 2/11/20. For updated CSD ordinance, click here.
6/2/20 - updated the 'Area Specific Standards' following the update of the Santa Monica Mountains North Area Plan' on 5/4/21. Removed the 'Antiquated Subdivision Area'. For updated CSD ordinance, click here.
NOTE: As of 2/28/19, the link to our Title 22 Planning and Zoning Code has been updated. To view Title 22, please click here.
The community standards districts are established as supplemental districts to provide a means of implementing special development standards contained in adopted neighborhood, community, area, specific and local coastal plans within the unincorporated areas of Los Angeles County, or to provide a means of addressing special problems which are unique to certain geographic areas within the unincorporated areas of Los Angeles County.
UPDATE HISTORY:
9/8/14 - (Missed boundary change of Agua Dulce CSD that was adopted 3/4/14 - no map in Certified Ordinance, however, the Revised Ordinance had the map)
10/22/14 - for an update of the Certified Coastal Boundary from the Coastal Commission - affects North Area and Coastal Zone
4/22/15 - for an annexation to Los Angeles from Florence-Firestone (Jordan Downs)
2/4/16 - Removed Topanga and Malibou Lake CSDs as they were repealed with the adoption of the SMMLCP (this was not done previously)
11/22/16 - updated from massive city boundary update per DPW data.
1/11/18 - CSD ordinance adopted on 12/12/17 by ordinance #2017-0055. NOTE: Only the Date Adopted attribute updated, no modifications to the boundary were made...see Sub-Areas for the boundary modifications.
6/17/19 - updated the names of CSDs that were corrected in the new Title 22 that was adopted by the Board of Supervisors in January, 2019. "East Compton" changed to "East Rancho Dominguez"; "East Pasadena - San Gabriel" changed to "East Pasadena - East San Gabriel"
7/25/19 - updated for annexation and detachment from the city of Arcadia to South Monrovia Islands and East Pasadena-East San Gabriel, respectively. Effective 6/13/19, and a link to the official LAFCO annexation document is here.
9/9/21 - Added the Green Valley CSD, and modified the Leona Valley CSD, both of which were adopted by the Board of Supervisors on 8/10/21 (effective date 9/9/21). Links to ordinances: Green Valley, Leona Valley.
1/26/22 - updated the Twin Lakes CSD boundary through the zoning conflation project to follow the updated parcels along the southern border.
2/23/22 - added Three Points - Liebre Mountain CSD that was adopted by the Board of Supervisors on 1/25/22, and became effective on 2/24/22.