Union Square - Plan 6D 100 and 200 Harbor Drive, San Diego, CA 92101 695Sqft Units 306, 406, 506Suites Click on other Floor Plans For Union Square Condos Below Union Square – Plan 8Ma 1Beds 1Baths 884SQ. FT. Union Square – Plan 3 2Beds 2Baths 1073SQ. FT. Union Square – Plan 1 1177SQ. FT. View All Floor Plans Would you like more details about this Union Square floor plan? We are here for you and look forward to providing you with more information and available units matching this floor plan. Name* First Last Email* PhoneComments or Questions: This iframe contains the logic required to handle Ajax powered Gravity Forms.