Level Up Group Expands to SF Peninsula With Real Estate Powerhouse Jeff Lang Coverage now includes San Francisco, San Mateo County, Marin County and the East Bay News provided by Share this article Share this article SAN MATEO, Calif., Dec. 22, 2020 /PRNewswire/ -- The Level Up Group of Keller Williams Realty is expanding its reach to the Peninsula. This addition offers buyers, sellers and investors a comprehensive real estate experience with the best-in-class service the organization is known for. Real estate powerhouse Jeff Lang will lead the group's expansion which will extend its stronghold in San Francisco to include cities from South San Francisco to Palo Alto.