Core7 Real Estate Share: Real Estate (Residential) Core7 Real Estate Visit Website 740A 14th St. San Francisco, CA 94114 (415) 297-8680 About Map About Core7 Real Estate is a San Francisco based boutique real estate company focused on providing highly competent, ethical, personalized real estate representation to all our clientele. What's Nearby? Distance: 5 10 15 20 25 50 mi.