Geron Property Development Geron Property Development Listed in Real Estate Developers - Listings 120 E. San Jose Ave.Fresno, California 93710 559-226-5555 Claim Listing Flag Listing Overview Map & Directions Contact/Other Phone 559-226-5555Listing Category Real Estate Developers - Listings Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?