Search datasets
-
Tax lots are not determined by survey and are therefore not official lots in the same way record lots are. These lots are normally numbered between 800 and 1999 within a square to differentiate...
Search relevance: 1.00 | Views last month: 25 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
There is still land within the District of Columbia that has never been subdivided into either Record or Tax Lots through the two offices that manage land records (Office of the Surveyor & Real...
Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
In most case scenarios, a piece of property must be a Record Lot before a building permit will be issued for that site in the District of Columbia, and all proposed Record Lots are carefully...
Search relevance: 1.00 | Views last month: 18 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
Each Square is an Island, alone unto itself. There is not now nor has never been, any citywide Survey Coordinate System in D.C. Most squares are unrelated to other Squares by a “Measured”...
Search relevance: 1.00 | Views last month: 16 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
The DC Development Report is a summary of the major development and construction projects in the District of Columbia. WDCEP tracks major development/construction projects throughout the year and...
Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: August 03, 2026 at 02:39 AM -
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 program in September 2006. A...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
Lines beyond which exterior walls of buildings may not project, generally managed and recorded by the DC Department of Buildings (DOB) and the Office of the Surveyor. Land between a property line...
Search relevance: 1.00 | Views last month: 8 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
A history of Parcel Lots. There is still land within the District of Columbia that has never been subdivided into either Record or Tax Lots through the two offices that manage land records (Office...
Search relevance: 1.00 | Views last month: 7 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
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 is similar to a city block....
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 02:42 AM -
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 right in real estate...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
In most case scenarios, a piece of property must be a Record Lot before a building permit will be issued for that site in the District of Columbia, and all proposed Record Lots are carefully...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
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 right in real estate...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
Legal interests that allow government or public use of private land for specific purposes, such as utilities, access, or preservation, managed primarily through the District Department of...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 03, 2026 at 02:42 AM -
When Condos are approved for ground lots, those lots remain in the production (active) layer and attributes updated to reflect Condominium dwelling. 1.) Approved for Ground (Record Lots)When...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 04, 2026 at 09:11 PM -
If a Highway Plan line intersects a property, it acts as a building restriction line, prohibiting the creation of new record lots and limiting subdivision. These lines represent "planned" roads,...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 04, 2026 at 09:11 PM -
A history of U.S. Reservations. Lands acquired for use by the Federal Government after the original founding of the city. These were all acquired by the Federal Government through purchase,...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
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 Extract file. The creation of this...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
The common ownership layer is built from various polygon feature classes of the District's Vector Property Mapping program and identified below. It represents all lands that are outside...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 04, 2026 at 09:11 PM -
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 residential condo application or...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 02:38 AM -
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 real property for which the...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 02:37 AM
