The property must be zoned long-term agricultural by the local community, with a maximum residential density of one house per forty acres. The parcel must (normally) be forty acres in size, however, smaller tracts may qualify in certain instances. The owner(s) apply for Agricultural Preserve with the Local City / Township. The owner signs an eight-year perpetual covenant / agreement to leave the property in agricultural use, and farm using acceptable practices as approved by the County Agricultural Service. The Agricultural Preserve application must be filed with the County Recorder. Contact Anoka County Assessment Services at 763-324-1175 for more information.