Union Square - Plan 9M 427 9th Avenue, San Diego, CA 92101 1300Sqft Units 611, 616Suites 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.