City Annexations Within the County of Los Angeles.  View Disclaimer
Click on a map layer to view historical city boundary annexation and detachment information to and from the 88 incorporated cities within Los Angeles County.
Printable Annexation Maps (pdf) are available for each city on our Department's FTP Site.

Map Tips
Hold SHIFT key and use mouse to drag a zoom location box.
Hold SHIFT+CTRL keys and use mouse to drag a zoom out location box.
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Select Section-Township-Range:
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Enter City or Annexation Name: (ex: Alhambra)

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Enter Address, Cross Street, or Parcel No.:
(ex: 900 S. Fremont Ave., Fremont@Valley, 5342005904)
 City Annexations 
   type a image A - Annexation by a city
   type d image D - Detachment from a city
   type v image V - Annexation/Detachment that was canceled or withdrawn or voided
city image Current City Boundaries
unincorporated image Unincorporated County
community image Community Boundaries
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