Identification Information:

Citation:

Originator: New York City Department of City Planning

Publication Date: April, 2008

Title: New York City Tax Blocks

Edition: 07C

Geospatial Data Presentation Form: vector digital data

Series Information:

Series Name: BYTES of the BIG APPLE

Issue Identification: 07C

Publication Information:

Publication Place: New York City

Publisher: New York City Department of City Planning

Online Linkage: http://www.nyc.gov/html/dcp/html/bytes/applbyte.shtml

Description:

Abstract:

The New York City tax block base map is part of the Department of City Planning's ongoing COGIS project. The tax blocks in conjuction with the tax lots provide a schematic overview of New York City's tax geography. The tax blocks are available in MapInfo .TAB and ESRI Shapefile formats, and are distributed as part of the NYC Department of City Planning COGIS products.

Purpose:

The tax blocks in conjunction with the tax lots provide a useful schematic representation of New York City's tax geography. These data are updated on an annual basis and used for numerous projects throughout the city, both public and private, and are integral in providing and reviewing city services.

Time Period of Content:

Time Period Information:

Single Date/Time:

Calendar Date: November, 2007

Currentness Reference:

ground condition

Status:

Progress: Complete

Maintenance and Update Frequency: Annually

Spatial Domain:

Bounding Coordinates:

West Bounding Coordinate: -74.257325

East Bounding Coordinate: -73.699400

North Bounding Coordinate: 40.915509

South Bounding Coordinate: 40.495717

Keywords:

Theme:

Theme Keyword Thesaurus: NONE

Theme Keyword: Blocks

Theme Keyword: Parcels

Theme Keyword: Parcel

Theme Keyword: tax block

Theme Keyword: base map

Theme Keyword: boundaries

Place:

Place Keyword Thesaurus: NONE

Place Keyword: New York City

Place Keyword: NYC

Place Keyword: Brooklyn

Place Keyword: Bronx

Place Keyword: Manhattan

Place Keyword: Queens

Place Keyword: Staten Island

Access Constraints: BYTES of the BIG APPLETM Tax Lot Base Map Files are a licensed product of the NYC Department of City Planning and may only be used through a license granted by the Department. (The tax blocks are provided gratis; they are copyrighted files not subject to license restrictions.) This product is licensed under terms and conditions of a separate "License Agreement" with City Planning that contains, among other things, provisions with respect to ownership, permitted and prohibited uses, third-party agreements, warranty and termination. Refer to the License Agreement for the full text of obligations and rights with respect to the use of this product.

Use Constraints:

The information in these files was initially compiled for government use by the New York City Department of City Planning. The Department and City make no representation as to the accuracy of the information or its suitability for any purpose. The Department and City disclaim any liability for errors that may be contained herein.

Point of Contact:

Contact Information:

Contact Organization Primary:

Contact Organization: NYC Department of City Planning

Contact Address:

Address Type: mailing and physical address

Address:

22 Reade St

City: New York

State or Province: NY

Postal Code: 10007

Country: USA

Contact Voice Telephone: 212.720.3505

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Data Quality Information:

Positional Accuracy:

Horizontal Positional Accuracy:

Horizontal Positional Accuracy Report:

The New York City Department of City Planning is currently in the process of conflating (i.e. geographically aligning) the COGIS base map with NYCMap. Over time this will improve the geographic accuracy of the these files. This release marks an intermediate point in the conflation process.

Lineage:

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Spatial Data Organization Information:

Direct Spatial Reference Method: Vector

Point and Vector Object Information:

SDTS Terms Description:

SDTS Point and Vector Object Type: G-polygon

Point and Vector Object Count: 34009

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Spatial Reference Information:

Horizontal Coordinate System Definition:

Planar:

Grid Coordinate System:

Grid Coordinate System Name: State Plane Coordinate System

State Plane Coordinate System:

SPCS Zone Identifier: 3104

Lambert Conformal Conic:

Standard Parallel: 40.666667

Standard Parallel: 41.033333

Longitude of Central Meridian: -74.000000

Latitude of Projection Origin: 40.166667

False Easting: 984250.000000

False Northing: 0.000000

Planar Coordinate Information:

Planar Coordinate Encoding Method: coordinate pair

Coordinate Representation:

Abscissa Resolution: 0.000256

Ordinate Resolution: 0.000256

Planar Distance Units: survey feet

Geodetic Model:

Horizontal Datum Name: North American Datum of 1983

Ellipsoid Name: Geodetic Reference System 80

Semi-major Axis: 6378137.000000

Denominator of Flattening Ratio: 298.257222

Vertical Coordinate System Definition:

Altitude System Definition:

Altitude Encoding Method: Explicit elevation coordinate included with horizontal coordinates

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Entity and Attribute Information:

Detailed Description:

Entity Type:

Entity Type Label: New York City Tax Blocks

Attribute:

Attribute Label: TAXBLOCK

Attribute Definition:

The Department of Finance Tax Block Number

Attribute Definition Source:

Department of Finance

Attribute Value Accuracy Information:

Attribute Value Accuracy: Tax block numbers are unique in each borough.

Attribute Value Accuracy Explanation:

A legal tax block may encompass more than one physical block.

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Distribution Information:

Distributor:

Contact Information:

Contact Organization Primary:

Contact Organization: NYC Department of City Planning

Contact Address:

Address Type: mailing address

Address:

22 Reade St

City: New York

State or Province: NY

Postal Code: 10007

Country: USA

Contact Voice Telephone: 212.720.3505

Resource Description: Downloadable Data

Standard Order Process:

Fees: FREE

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Metadata Reference Information:

Metadata Date: 20080508

Metadata Contact:

Contact Information:

Contact Organization Primary:

Contact Organization: NYC Department of City Planning

Contact Person: BYTES of the BIG APPLE Coordinator

Contact Address:

Address Type: mailing and physical address

Address:

22 Reade St

City: New York

State or Province: NY

Postal Code: 10007

Contact Voice Telephone: 212.720.3505

Metadata Standard Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata Standard Version: FGDC-STD-001-1998

Metadata Time Convention: local time

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