Established in 1975. Pacific union GMAC real estate is a locally owned and operated real estate brokerage firm. It deals in vacant land. Lots. Offices. Retail space. Multifamily apartments. Condominiums. Villas and commercial sites in the SAN francisco BAY area. The firm also assists buyers in site location. Additionally. Pacific union GMAC real estate provides a range of services that includes buyer and seller representation. Transactional brokerage. Property listing and inspection. Marketing. Investment. Leasing and relocation. The firm also offers online property search and listing options. It is a member of the christie S great estates network and is a GMAC home services Company. Pacific union GMAC real estate maintains a location in ST. Helena. Calif.