530 B Street

{{Short description|Skyscraper in San Diego, California}}

{{Use American English|date=February 2025}}

{{mdy|date=June 2024}}

{{Infobox building

| name = 530 B Street

| image = UnionBankCASanDiegoApr09.jpg

| architectural_style = International style

| caption =

| alternate_names = Southern California First National Bank Building
California First Bank Building
Union Bank of California Building

| location = 530 B Street
San Diego, California

| coordinates = {{coord|32.717514|-117.159738|region:US-CA_type:landmark|display=it}}

| start_date = 1967

| completion_date = 1969

| building_type = Commercial offices

| roof = {{convert|388|ft|abbr=on}}

| floor_count = 27

| elevator_count =

| parking = 150{{Cite web |title=Union Bank of California Building |url=http://www.skyscrapercenter.com/building/union-bank-of-california-building/20502 |access-date=2017-07-24 |website=Skyscraper Center |publisher=CTBUH}}

| cost =

| floor_area =

| architect = Tucker Sadler Noble Castro Architects

| structural_engineer=

| main_contractor =

| developer =

| owner =

| management =

| references = {{Cite web |title=Emporis building ID 118031 |url=https://www.emporis.com/buildings/118031 |url-status=usurped |archive-url=https://web.archive.org/web/20160302163229/https://www.emporis.com/buildings/118031 |archive-date=March 2, 2016 |website=Emporis}}{{SkyscraperPage|4981}}{{Structurae|20045676}}

}}

530 B Street (formerly known as the Union Bank of California Building) is a 27-story, {{convert|118.26|m|adj=on}} skyscraper in San Diego, California.