A. Gregg Witkoski real estate agent, broker in California, online profile on CA-Real-Estate-Agents.Com with address of A. Gregg Witkoski & real estate agency, phone number, fax, e-mail and website (if available). A. Gregg Witkoski can help you to buy, sell & rent real estate in California. A. Gregg Witkoski can help you buying & selling any type of property such as apartments, houses, villas, condos, homes and townhouses in CA, San Francisco. A. Gregg Witkoski is Delmar Properties agent or broker and real estate agency located in San Francisco, CA, county San Francisco