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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... -
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
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... -
Tax Lot Points
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... -
Reservations (Historical)
District of Columbia —
U.S. Reservations are lands acquired for use by the Federal Government after the original founding of the city. These were all acquired by the Federal Government... -
Reservation Boundaries
District of Columbia —
U.S. Reservations are lands acquired for use by the Federal Government after the original founding of the city. These were all acquired by the Federal Government... -
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... -
Building Permits in 2018
District of Columbia —
The dataset contains locations and attributes of building construction and alteration permits applied for and approved by the District of Columbia Department of... -
Building Permits in 2012
District of Columbia —
The dataset contains locations and attributes of building construction and alteration permits applied for and approved by the District of Columbia Department of... -
Building Permits in 2020
District of Columbia —
The dataset contains locations and attributes of building construction and alteration permits applied for and approved by the District of Columbia Department of... -
Building Permits in 2017
District of Columbia —
The dataset contains locations and attributes of building construction and alteration permits applied for and approved by the District of Columbia Department of... -
Building Permits in 2023
District of Columbia —
The dataset contains locations and attributes of building construction and alteration permits applied for and approved by the District of Columbia Department of... -
Building Permits in 2022
District of Columbia —
The dataset contains locations and attributes of building construction and alteration permits applied for and approved by the District of Columbia Department of... -
Square Points
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... -
Parcel Lot Points
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... -
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... -
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... -
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... -
Appropriations
District of Columbia —
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 White House, for... -
Condo Approval Lots
District of Columbia —
Condo lots are individual lots for each condominium. The lot numbers normally range from 2000-6999. These condo lots are not geographically defined other than being...