What is Oakley, California?
{{Infobox settlement | official_name = Oakley, California | settlement_type = [[List of municipalities in California|City]] | image_skyline = City Hall Oakley California.jpg | imagesize = 300px | image_caption = Oakley City Hall | image_seal = | image_blank_emblem = Oakley California Logo.png | image_map = Contra_Costa_County_California_Incorporated_and_Unincorporated_areas_Oakley_Highlighted.svg | mapsize = 250x200px | map_caption = Location in [[Contra Costa County, California|Contra Costa County]] and the state of [[California]] | image_map1 = | mapsize1 = | map_caption1 = | pushpin_map = USA | pushpin_map_caption = Location in the United States | pushpin_relief = 1 | subdivision_type = [[List of sovereign states|Country]] | subdivision_name = {{USA}} | subdivision_type1 = [[U.S. state|State]] | subdivision_name1 = {{flag|California}} | subdivision_type2 = [[List of counties in California|County]] | subdivision_name2 = [[Contra Costa County, California|Contra Costa]] | government_type = | leader_title = | leader_name = | leader_title1 = [[California's 7th State Senate district|State Senator]] | leader_name1 = {{Representative|casd|7|fmt=sleader}}<ref>{{Cite web |url=http://senate.ca.gov/senators |title=Senators |access-date=March 23, 2013 |publisher=State of California}}</ref> | leader_title2 = [[California's 11th State Assembly district|State&nbsp;Assembly]] | leader_name2 = {{Representative|caad|11|fmt=sleader}}<ref>{{Cite web |url=http://assembly.ca.gov/assemblymembers |title=Members Assembly |access-date=March 23, 2013 |publisher=State of California}}</ref> | leader_title3 = [[California's 10th congressional district|U. S. Congress]] | leader_name3 = {{Representative|cacd|10|fmt=usleader}}<ref>{{Cite GovTrack|CA|10|access-date=May 6, 2023}}</ref> | established_title = Incorporated | established_date = July 1, 1999<ref>{{Cite web |url = http://www.calafco.org/docs/Cities_by_incorp_date.doc |title = California Cities by Incorporation Date |format = Word |publisher = Ca