Investing, Building and Managing Property With Your Future In Mind For over 75 years, Oestreicher Properties has maintained its position as one of New York’s leading real estate organizations — investing, building, owning and managing. We take pride in our ability to increase the value of a property and to maintain and enhance its use for investors and occupants. We are committed to owning and investing in properties that showcase quality and superior management as well as carrying on a family tradition built on trust and a commitment to our community.