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DC Office of Tax and Revenue Real Property Assessment Map App
District of Columbia —
The DC Office of the Chief Financial Officer (OCFO), Office of Tax and Revenue (OTR), Real Property Tax Administration (RPTA) values all real property in the District... -
Tax Lots
District of Columbia —
DC's Real Property Tax Administration defines assessment and taxation lots, often referred to as A&T lots or simply tax lots. These lots are strictly for real... -
Owner Lot Line Dimensions
District of Columbia —
The dataset contains locations and attributes of owner lines with dimensions. The tax information (attribution) comes from the Office of Tax and Revenue's Public... -
Federal
ESA CCI Ocean Colour Product (CCI ALL-v5.0-DAILY), 0.04166666°, 1997-present, Lon0360
National Oceanic and Atmospheric Administration, Department of Commerce —
Data products generated by the Ocean Colour component of the European Space Agency Climate Change Initiative project. These files are daily composites of merged... -
Parcel Lots
District of Columbia —
These are lands still within the District of Columbia that has never been subdivided into either Record or Tax Lots through the two offices that manage land records... -
Federal
ESA CCI Ocean Colour Product (CCI ALL-v4.2-DAILY), 0.04166666°, 1997-2019
National Oceanic and Atmospheric Administration, Department of Commerce —
Data products generated by the Ocean Colour component of the European Space Agency Climate Change Initiative project. These files are daily composites of merged... -
Appropriation Points
District of Columbia —
Appropriation points. U.S Appropriations are lands set aside at the time of the original founding and platting of the city for use by the U.S. Federal Government. The... -
Square Boundaries
District of Columbia —
Squares are calculated by the outer extents of the record or tax lots within a defined area (typically a city block). There are roughly 4896 active squares. A Square... -
Public Easement Lines
District of Columbia —
These are not to be confused with utility or private easements. They are often placed after an alley closing for traffic or access. Very few of the actual lines have... -
Federal
ESA CCI Ocean Colour Product (CCI ALL-v5.0-8DAY), 0.04166666°, 1997-present
National Oceanic and Atmospheric Administration, Department of Commerce —
Data products generated by the Ocean Colour component of the European Space Agency Climate Change Initiative project. These files are 8 day composites of merged... -
Record Lots (Historical)
District of Columbia —
Record lots are defined by the Department of Buildings (DOB) – Office of the Surveyor (OS) - DC Surveyor. They are official, platted, recorded subdivision lots created... -
Federal
ESA CCI Ocean Colour Product (CCI ALL-v5.0-DAILY), 0.04166666°, 1997-present
National Oceanic and Atmospheric Administration, Department of Commerce —
Data products generated by the Ocean Colour component of the European Space Agency Climate Change Initiative project. These files are daily composites of merged... -
Federal
ESA CCI Ocean Colour Product (CCI ALL-v4.2-8DAY), 0.04166666°, 1997-2020, Lon0360
National Oceanic and Atmospheric Administration, Department of Commerce —
Data products generated by the Ocean Colour component of the European Space Agency Climate Change Initiative project. These files are 8 day composites of merged... -
Integrated Tax System Data Dictionary
District of Columbia —
Table defining the fields for the attribute table of the owner points feature. It reflects the new table structure OTR adopted in Tax Year 2005 reflecting the systems... -
Alley Frontage Lines
District of Columbia —
Alley widths, street frontages, were captured during the vector property effort and reside in their own feature class. 99% of the time, these features should be... -
Air Rights Lots (Historical)
District of Columbia —
Air right lots reflect a party’s right to construct an improvement above an existing area of land that is not owned by the constructor. They are a type of development... -
Air Rights Lot Points
District of Columbia —
Air right lots are reflect a party’s right to construct an improvement above an existing area of land that is not owned by the constructor. They are a type of... -
Record Lot Points
District of Columbia —
Record lots are defined by the Department of Buildings (DOB) – Office of the Surveyor (OS) - DC Surveyor. They are official, platted, recorded subdivision lots created... -
Condo Regime
District of Columbia —
The Regimes are how Office of Tax and Revenue (OTR) quantifies units in a given condo development, grouping of condos. A condo regime number is assigned to each... -
Parcel Lots (Historical)
District of Columbia —
These are lands still within the District of Columbia that has never been subdivided into either Record or Tax Lots through the two offices that manage land records...