Condo/House Mart, Inc. - Features listings and links to affiliated planned communities. Offices in Colts Neck and Jackson Township. ERA Burgdorff - Provides listings, agent and agency directories, mortgage tools, and relocation information. New Jersey Custom Home Builder - NJ Real Estate, Homes, Morris County NJ ::: New Jersey home builder and NJ real estate developer, Estates of Valhalla, building distinctive, custom estate homes in Morris County, Montville, New Jersey. RE/MAX of New Jersey - Provides listings, a directory of agencies and offices, and open house schedules.