This dataset is comprised of the final assessment rolls submitted to the New York State Department of Taxation and Finance – Office of Real Property Tax Services by 996 local governments. Together, the assessment rolls provide the details of the more than 4.7 million parcels in New York State.

The dataset includes assessment rolls for all cities and towns, except New York City. (For New York City assessment roll data, see NYC Open Data [https://opendata.cityofnewyork.us])

For each property, the dataset includes assessed value, full market value, property size, owners, exemption information, and other fields.

Tip: For a unique identifier for every property in New York State, combine the SWIS code and print key fields.

The Department of Taxation and Finance annually produces a data file providing property tax rates and levies for the taxing jurisdictions in New York State. The data are culled from files on the State Comptroller’s website. The dataset takes each school district segment and provides the levy for county, municipal and school tax purposes, as well as the tax rates that apply in those taxing jurisdictions.

The Department of Taxation and Finance annually produces a report pertaining to the distribution of parcels by property class. The data analysis involves a breakdown of property classes to nine segments of broad use, namely Agricultural, Residential, Vacant Land/Farm, Commercial, Recreation, Community Service, Industrial, Public Service, and Forest/Conservation. For more information please go to: http://www.tax.ny.gov/research/property/default.htm

The Department of Taxation and Finance annually establishes a residential assessment ratio for assessing taxing jurisdictions to determine at what level of market value those jurisdictions are assessing their residential property.

The Department of Taxation and Finance’s Office of Real Property Tax Services maintains data on the New York State STAR program. This dataset is a compilation of annual data for each school year. Data are shown for the number and amount of basic and enhanced STAR exemptions and reimbursements by school district for each levy year.

The Department of Taxation and Finance annually produces a report pertaining to the exemptions from real property taxation in New York State. The data analysis includes an examination and summary of exemptions by exemption code for each municipality in the State. The summary data include the number of exemptions in each code, the assessed value of the parcels containing the exemption code and the exemption amount itself, as well as the estimated full value of both the parcels containing the exemption code and the exemption amount.

The Department of Taxation and Finance’s Office of Real Property Tax Services maintains data on the New York State STAR program. This dataset is a compilation of annual data for each school year. Data are shown for the number and amount of basic and enhanced STAR exemptions and reimbursements by county for each levy year.

The Department of Taxation and Finance annually produces a report pertaining to the exemptions from real property taxation in New York State. The data analysis includes an examination and summary of exemptions by type or purpose for each municipality in the State. The summary data include the number of exemptions in each type or purpose, as well as the full value of the exemption amounts. The types are first broken down into categories of properties that are wholly exempt (and subsequently, not taxable for real property purposes) and those which are partially exempt. Within those categories, further analysis of the type of ownership of these exempt properties is examined. Specifically, these types of ownership are public and private. Additionally, some properties may have exemption codes that are not contained in an agency maintained list of valid codes. The data file contains a summary by count and full value of these invalidly coded properties, as well. Finally, properties may have exemptions for various taxation purposes, also stated as taxing jurisdictions. Those purposes are County, City/Town, and School taxation. This dataset contains columns with the count and full value for exemptions in each of these taxing jurisdictions.

This dataset captures the park name, address, and county in which a manufactured home park is located; the number of site capacity and number of occupied sites; the name of the park contact, and the owner.. New York State Department of Taxation and Finance oversees the registration of these parks in accordance with NYS Real Property Law Section 233 subdivision (v) which requires owners of manufactured home parks with three or more homes register their park with the Department of Taxation and Finance.

Pre-2020 (historical) data was collected by NYS Division of Housing and Community Renewal (HCR) and is available at https://data.ny.gov/d/sxi2-m23m.

The Department of Taxation and Finance annually produces a report documenting the results of the Market Value Survey pertaining to property assessment. The report contains the staff findings regarding assessment equity by municipality in New York State, that is, the degree to which assessments are at a uniform percentage of their market value. Equity is measured primarily by two statistics — the coefficient of dispersion (COD) and the price-related differential (PRD). For more information please go to: http://www.tax.ny.gov/research/property/default.htm

The Department of Taxation and Finance annually establishes an equalization rate for assessing taxing jurisdictions to determine at what level of market value those jurisdictions are assessing.

The dataset displays the final maximum savings for STAR credit and STAR exemption benefits, from 2019 and forward, as well as a comparison between the two for each year. Through analysis of the data, homeowners can see the benefits of taking advantage of the STAR Credit.

Homeowners can switch from an exemption to a credit through the New York State Department of Taxation and Finance website. [https://www.tax.ny.gov/pit/property/star/]