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Rosen Realty

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By Mark Rosen
Posted November 11, 2025
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Mark Rosen
Mark Rosen
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Contact Us:
  • Rosen Realty Group
  • San Francisco, CA
  • +1 (415) 296-7570
  • info@rosenrg.com
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Testimonials:
  • "Mark Rosen, together with the Rosen Realty Group team, is the most experienced real estate brokerage team in San Francisco. RRG took Mozilla from one location in Mountain View to 12 spaces around the world."
    Jim CookChief Financial Officer, Mozilla Corporation
  • "In real numbers, Mark saved us over $200K a year; that gave us the ability to thrive as a company and to reinvest in our staff and clients. I can't imagine finding a broker anywhere that could do nearly as well."
    Julie PearlChief Executive Office, Pearl Law Group
  • "Mark is candid, experienced, knowledgeable, and knows where the bodies are buried. He brings a lot of market expertise, energy, and enthusiasm to every project."
    Elliot EversManaging Director, Media Ventures Partners
  • "I've worked with Mark for over 23 years. He's a knowledgeable, tenacious, persistent negotiator and provides lots of options and ideas."
    Jessica LewinPresident and CEO, SR Travel Services
  • "I trust him--that's the bottom line. Mark is the consummate professional."
    Dave CuneoPartner, Calegari and Morris
  • "The thing that really stands out about Mark Rosen and his team is that they just have a unique way of anticipating and knowing what we need with our real estate space. I don't know how they do it. Maybe it's because Mark has a tenant-side-only practice, and he knows exactly what individual tenants need."
    Mark SpringCarlton DiSante & Frudenberger LLP
  • "Mark is a tough negotiator, and always does his homework. Mark has skills, tenacity, and diplomacy."
    Paul SimpsonDirector, Simpson, Garrity, Innes and Jacuzzi
  • "We have worked with Rosen Realty for 17 years, and would not consider working with anyone else. Mark always surpasses our expectations. He has deep market knowledge, and that saves us time and money. He asks the right questions, and he is a great negotiator."
    Daniel GrossmanChief Executive Officer, Wild Planet Toys
  • "When I did my first lease with Mark 16 years ago, he stepped me through the whole process but didn't overwhelm me with details. He is still helping me with my leasing needs today."
    Laura HyltonPresident and CEO, Tactical Telesolutions