N.Y. TWN Law § 209-A

§ 209-a. Definitions. For the purposes of this article the following\ndefinitions shall apply:\n 1. the term "improvement district" shall include only a sewer,\nwastewater disposal, drainage, water, park, public parking, lighting,\nsnow removal, water supply, sidewalk, refuse and garbage, aquatic growth\ncontrol, or watershed protection improvement district or ambulance\ndistrict in any town, and, in any town bordering upon or containing\nwithin its boundaries any navigable water of this state a public dock or\nbeach erosion control district;\n 2. the term "typical property" shall mean a benefited property having\nan assessed value that approximates the assessed value of the mode of\nthe benefited properties situated in the district or extension that will\nbe required to finance the cost of the proposed improvements;\n 3. the term "typical one or two family home" shall mean a benefited\nproperty improved by a one or two family dwelling and having as assessed\nvalue that approximates the assessed value of the mode of the benefited\nproperties improved by one or two family dwellings situated in the\ndistrict or extension that will be required to finance the cost of the\nproposed improvements;\n 4. the terms "cost of the district or extension to the typical\nproperty" and "cost of the district or extension to the typical one or\ntwo family home" shall mean the amount that is estimated that the owner\nof such a typical property or home within the district or extension will\nbe required to pay for debt service, operation and maintenance and other\ncharges, such as user charges, related to the improvements in the first\nyear following formation of the district or extension or, if greater, in\nthe first year in which both principal and interest on any indebtedness\nand operation and maintenance costs will be paid;\n 5. the term "mode" shall mean, in connection with assessed value of\nproperty, the most frequently occurring assessed value as shown on the\nlatest completed final assessment roll.\n