Real Property and GIS

Real Property and GIS Services

What kind of property is assessed?

The assessment roll shows assessments and appropriate exemptions. Every year the roll, with preliminary or tentative assessments, is made available for public inspection. After the Board of Assessment Review (BAR) has acted on assessment complaints and ordered any changes, the tentative assessment roll is made final. Read more

What does an Assessor do?

Each year, appointed assessors must complete an average of 24 hours of continuing education. Both elected and appointed assessors may attain any of three advanced designations awarded by ORPS: State Certified Assessor-Advanced, State Certified Assessor-Professional, and State Certified Assessor-National. Read more

What training does the Assessor have to take?

Assessors must obtain basic certification by New York State within three years of taking office. This requires the successful completion of orientation, three assessment administration course components, and five appraisal components, including farm appraisal for certain agricultural communities. The New York State Office of Real Property Services (ORPS) prescribes the components.

Who is the Assessor?

The assessor is a local government official who estimates the value of real property within a city, town, or village's boundaries. This value is converted into an assessment, which is one component in the computation of real property tax bills.

Key Assessment Dates

Below are some important dates in the Real Property tax cycle.  These dates apply to Cattaraugus County.  Other areas of New York State may follow other dates.  The NYS ORPTS has more information on these dates.

January 1: Town and County Tax Collection Starts

Fee Schedule

Tax Maps:

  30 x 42 11 x 17 8½ x 11
To General Public: $5.00 $1.00 $.25

GIS Layers

Below are most of the GIS layers that the County uses to create maps, gather information, and utilize for analysis purposes.

Click the links to see a list of accompanying GIS layers and images of what they look like. Read more

Pricing Plan

General Information

  • Any data that is mailed will incur the mailing cost.
  • Data can be emailed or downloaded from our server.
  • All data is shipped as ESRI shapefiles in the NAD83 NYW projection.

Obtainable Data

  • Parcels - $.03 per parcels with Real Property Data attached, $.01 without the data (just the lines), $.01 for data only (Microsoft Excel file). Any combination of parcels is offered, with a minimum of $5.00.

GIS Links


  • ESRI [ ]

    the company that makes 90% of the GIS software used in the market. Cattaraugus County uses all ESRI software to power our GIS online and offline capabilities.

  • SDG [ ]

    the company that created the Imate Online program that so many places use to show parcel information.

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