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Integrated Tax System Tax Rate Codes
District of Columbia —
A table with tax rate codes for the Integrated Tax System Public Extract (ITSPE) data layers. The ITS database also processes notices and tax bills. Public extract of... -
WDCEP Development Report
District of Columbia —
The DC Development Report is a summary of the major development and construction projects in the District of Columbia. WDCEP tracks major development/construction... -
Land Boundary Change
District of Columbia —
This layer is derived from the Common Ownership Lots and represents property transactions as they’ve occurred since the implementation of the Vector Property Mapping... -
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... -
Highway Plan Lines
District of Columbia —
These are lines that occurred on the city’s 1901-1905 set of master plans for all proposed roads. If a highway planning line crosses a particular property, that land... -
Tax Exempt Properties
District of Columbia —
Exemption From DC Real Property Tax is for use by nonprofit organizations who wish to apply for exemption from the District of Columbia real property tax, must own the... -
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... -
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... -
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... -
Condo Relate Table
District of Columbia —
The Condo Relate table contains attributes of air rights, record, and tax lots approved for active condos. Condominium documentation (Condo Book & Page) is... -
Air Rights Lots
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... -
Common Ownership Lots as Points
District of Columbia —
This dataset represents parcels not mapped or sourced in Vector Property Map. Please refer to the common ownership lots layer in https://opendata.dc.gov for the most... -
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... -
Integrated Tax System Mixed Tax Types
District of Columbia —
A table with mix tax type codes for the Integrated Tax System Public Extract (ITSPE) data layers. Public extract of the database used for sending tax bills, also known... -
Condo One to Many
District of Columbia —
The table represents documentation (Book and Page) approved for condominium development. Projects can be built in multiple phases and thus the potential for several... -
Common Ownership Lots
District of Columbia —
The common ownership lots is a single polygon layer that is built from various polygon feature classes of the District's Vector Property Mapping database including the... -
Building Restriction Lines
District of Columbia —
These are lines beyond which property owners or others have no legal or vested rights to extend a building or any part thereof without approval of the proper... -
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... -
Tax Lots (Historical)
District of Columbia —
Tax Lot points. 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...