  {{infobox settlement |official_name = city of pittsburg |native_name = |other_name = (formerly) black diamond and new york of the pacific |settlement_type = city |motto = |image_skyline = |imagesize = |image_caption = |image_flag = |image_seal = |image_map = contra_costa_county_california_incorporated_and_unincorporated_areas_pittsburg_highlighted.svg |mapsize = 250x200px |map_caption = location in contra costa county and the state of california |image_map1 = |mapsize1 = |map_caption1 = |coordinates_region = us-ca |subdivision_type = country |subdivision_name = united states |subdivision_type1 = state |subdivision_name1 = california |subdivision_type2 = county |subdivision_name2 = contra costa |government_type = general law city |leader_title = mayor |leader_name = nancy parent |leader_title1 = state senator |leader_name1 =  |leader_title2 = state&nbsp;assembly |leader_name2 =  and |leader_title3 = u. s. congress |leader_name3 =  |established_title = incorporated |established_date = june 25, 1903 |area_magnitude = | unit_pref = us | area_footnotes =  | area_total_sq_mi = 19.154 | area_land_sq_mi = 17.218 | area_water_sq_mi = 1.936 | area_total_km2 = 49.610 | area_land_km2 = 44.595 | area_water_km2 = 5.015 | area_water_percent = 10.11 | area_note = |area_urban_sq_mi = |area_metro_sq_mi = |population_as_of = 2010 |population_footnotes = |population_total = 63264 |population_density_sq_mi = auto |population_metro = |population_density_metro_sq_mi = |population_urban = |timezone = pst |ut
1849_establishments_in_California Cities_in_Contra_Costa_County,_California Cities_in_the_San_Francisco_Bay_Area Incorporated_cities_and_towns_in_California Populated_places_established_in_1849