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The map below encompasses the entire County. To determine if a particular area will be affected by FEMA's new Digital Flood Insurance Rate Maps (“D-FIRMs”), locate the area on the map below; when you click on the area, a separate Adobe PDF* document will open which is a copy of the actual FEMA DFIRM for that area A legend is included on each DFIRM, to aid you in determining areas in question. If you do not already have Adobe Reader software on your computer, click here to download Adobe Reader.

Please remember that the new DFIRMs DO NOT GO INTO EFFECT UNTIL OCTOBER 16, 2009, and these copies should be used only for information and planning purposes. They are not to be used for assigning flood insurance zone designations before October 16, 2009. To determine your property's current flood zone designation, you may view FEMA’s current regulatory maps at:

Please note: The maps found on this website are "unofficial" and meant to assist property owners. Only maps and studies produced by FEMA or posted on its website should be consider "official".

For additional flood protection information, please visit

* Map files are large, download time will vary based on bandwidth speed.

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Public Works Department

1810 E. Hazelton Avenue
Stockton, CA 95205
Phone: (209) 468-3000
Fax: (209) 468-2999
E-mail Us 

Office Hours: 8am - 12pm & 1pm - 5pm