AndreaBozzo/ceres-open-data-index huggingface dataset:
Parcel Lots (Historical)

<div style='text-align:Left;'><div><div><p><span>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 (OS &amp; RPTA), this land is referred to as Parcels, expressed as fractions (Ex Parcel 117/36). In this example, the number “36” would be the 36th out conveyance from original Parcel 117. The tracking of parcels was started in 1905 when, by Act of Congress, all the District’s unsubdivided properties which were mostly rural farms at the time were given parcel numbers. Their boundaries were also depicted (in many cases approximated), in large books in DCRA's Office of the Surveyor. Until the late 1960s, building permits were routinely issued by the city for new construction on Parcels, but today all Parcels, like Tax Lots, must be converted into subdivision Lots of Record before permits will be issued for exterior work. Parcels are only found in the old “County of Washington,” north of Florida Ave and east of the Anacostia River. There are no Parcels found within the original city limits or Georgetown. Parcels are not in Squares. There are examples where parcel land may be physically located in the middle of a city Square, but Parcels are not considered part of a Square until they are duly subdivided by the D.C. Surveyor’s Office.</span></p></div></div></div>

Tags: dc, district-of-columbia, dob, land, lot, parcel-history, planning-cadastre, property, square, vpmdata, washington-dc
Organization: District of Columbia
Square Points

<div style='text-align:Left;'><div><div><p><span>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. Squares were numbered starting at 1 and are currently in the 6000 series. Not all squares are active. A common cause of squares becoming inactive has been through street closing and combining squares. When the squares are combined usually the lower square number is killed and the higher square number is used for the combined square.  For example if squares 1 and 2 are combined, square 1 is killed and the combination becomes square 2.</span></p><p><span>Spatial locations:</span></p><p><span>Each Square is an Island, alone unto itself.  There is not now, and has never been, any citywide Survey Coordinate System in D.C.  Most squares are unrelated to other Squares by “Measured.” They are related by Record.  Street width is approximate. You cannot rely on the published official street widths to set up property lines or determine right-of-way. There is digital scan information available from DDOT regarding Right-of-Way.  Some Squares are divided by streets. That is, the same Square continues on the other side of the street.  Since there is no citywide Survey Coordinate System, squares were placed in their approximate location.  This process is known as “best fit”.</span></p></div></div></div>

Tags: cadastral, dc, district-of-columbia, land, lot, property, square, squares, vpmdata, washington-dc
Organization: District of Columbia
Square Boundaries

<div style='text-align:Left;'><div><div><p><span>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. Squares were numbered starting at 1 and are currently in the 6000 series. Not all squares are active. A common cause of squares becoming inactive has been through street closing and combining squares. When the squares are combined usually the lower square number is killed and the higher square number is used for the combined square.  For example if squares 1 and 2 are combined, square 1 is killed and the combination becomes square 2.</span></p><p><span>Spatial locations:</span></p><p><span>Each Square is an Island, alone unto itself.  There is not now, and has never been, any citywide Survey Coordinate System in D.C.  Most squares are unrelated to other Squares by “Measured.” They are related by Record.  Street width is approximate. You cannot rely on the published official street widths to set up property lines or determine right-of-way. There is digital scan information available from DDOT regarding Right-of-Way.  Some Squares are divided by streets. That is, the same Square continues on the other side of the street.  Since there is no citywide Survey Coordinate System, squares were placed in their approximate location.  This process is known as “best fit”.</span></p></div></div></div>

Tags: cadastral, dc, district-of-columbia, land, lot, property, square, squares, vpmdata, washington-dc
Organization: District of Columbia
Owner Lot Line Dimensions

<div style='text-align:Left;'><div><div><p><span>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 layer is automated, occurs weekly, and uses the most currently available tax information. The date of the extract can be found in the EXTRACTDAT field in this layer.</span></p></div></div></div>

Tags: air-right, dc, dimensions, district-of-columbia, dob, land, lot, measurement, parcel, planning-cadastre, property, record, reservations, square, tax, vpmdata, washington-dc
Organization: District of Columbia
District Government Owned Structures

<div style="text-align:Left;"><div><div><p><span>A layer showing the District of Columbia government related structures. The dataset contains polygons representing District Government related structures on Government property created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) using the Department of Energy and Environment’s Unique Building Identifier (UBID) data. The tax assessment roll public extract (ITSPE) is used for assessment and property analysis, to send property tax bills and notices, and stores comprehensive tax information such as ownership, mailing addresses, non-contiguous Air Rights lots (Multifamily or Development), Air Rights lots, possessory interest lots, record lots, tax lots, parcels, condominiums, and federally owned lands such as reservations and appropriations. The linkage from the Vector Property layers to this database is SSL (Square, Suffix, and Lot). The UBID data was originally created by spatially joining the 2019 building footprints published in DC Open Data with the Common Ownership Lots. The UBIDs were coded using US DOE’s Implementation code. Search for UBID and ITSPE in Open Data DC for individual documentation.</span></p><p></p></div></div></div>

Tags: ddoe, district-of-columbia, itspe, ocfo, property, public-extract, structures, tax-assessment, ubid, washington-dc
Organization: District of Columbia
District Government Land Line Dimensions

<div style='text-align:Left;'><div><div><p><span>District Government Land Line Dimensions. </span>A layer showing District of Columbia government related properties (owned, operated, and or managed) to be used by many DC Government agencies, private companies and the public. It supports the daily business process of District agencies that originate and manage land records. Transfers of Jurisdiction (TOJ) are also in this layer. This map should not be considered comprehensive as District agencies continuously work to update properties as transactions occur.</p></div></div></div>

Tags: agency, building, cadastral, dc-government, district-of-columbia, facility, municipal, planningcadastre, publiclands
Organization: District of Columbia
District Government Land Points

<div style='text-align:Left;'><div><div><p><span>District addresses for the District Land. The dataset contains of addresses for the District land (Owned, Operated, and Maintained), created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. Databases researched by the DC Office of the Chief Technology Officer (OCTO) identified DC Agency locations and DC GIS staff geo-processed the data. </span></p></div></div></div>

Tags: address, address-point, agency, building, cadastral, dc, dc-gis, dc-government, dcgis, district-of-columbia, facility, municipal, washington
Organization: District of Columbia
Condo One to Many

<div style='text-align:Left;'><div><div><p><span>The table represents documentation (Book &amp; Page) approved for condominium development. Projects can be built in multiple phases and thus the potential for several condo subdivisions per on dwelling. Users can join this table with the following map and table layers:</span></p><ul><li><p><a href='https://opendata.dc.gov:443/datasets/common-ownership-lots' style='text-decoration:underline;' rel='nofollow ugc'><span>Common Ownership Lots</span></a></p></li><li><p><a href='https://opendata.dc.gov:443/datasets?q=vpmdata' style='text-decoration:underline;' rel='nofollow ugc'><span>Vector Property Map Layers</span></a></p></li><li><p><a href='https://opendata.dc.gov:443/datasets/condo-approval-lots' style='text-decoration:underline;' rel='nofollow ugc'><span>Condo Approval Lots </span></a></p></li><li><p><a href='https://opendata.dc.gov:443/datasets/condo-relate-table' style='text-decoration:underline;' rel='nofollow ugc'><span>Condo Relate Table</span></a><span> to view all related condo subdivsions</span></p></li></ul></div></div></div>

Tags: condo, condominium, dc, district-of-columbia, dob, land, lot, planning-cadastre, property, square, vpmdata, washington-dc
Organization: District of Columbia
Building Restriction Lines

<div style='text-align:Left;'><div><div><p><span>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 authorities; ordinarily a line of demarcation between public and private property, but also applied to a building restriction line, when recorded in the records of the Surveyor.</span></p></div></div></div>

Tags: building, building-restriction, dc, district-of-columbia, dob, land, lot, planning-cadastre, property, square, vpmdata, washington-dc
Organization: District of Columbia
Appropriation Points

<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>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 White House, for instance, Treasury Building, Ellipse and LaFayette Park all sit on Appropriation No. 1.  D.C General Hospital is on Appropriation No.13 (with the consent of the Federal Government). Appropriations are often confused with U.S Reservations but the two terms are not interchangeable.  There are 17 U.S Appropriations in Washington, D.C., all of which are located within the limits of the Original City and, by definition; there can never be any more.</SPAN></P><P><SPAN>Created as part of the DC Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. 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.</SPAN></P></DIV></DIV></DIV>

Tags: cadastral, district-of-columbia, land, location, lot, property, square
Organization: District of Columbia
Appropriations

<div style='text-align:Left;'><div><div><p><span>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 instance, Treasury Building, Ellipse and LaFayette Park all sit on Appropriation No. 1. D.C General Hospital is on Appropriation No.13 (with the consent of the Federal Government). Appropriations are often confused with U.S Reservations but the two terms are not interchangeable. There are 17 U.S Appropriations in Washington, D.C., all of which are located within the limits of the Original City and, by definition; there can never be any more.</span></p></div></div></div>

Tags: appropriations, dc, district-of-columbia, dob, land, lot, planning-cadastre, property, square, vpmdata, washington-dc
Organization: District of Columbia
Air Rights Lot Points

<div style='text-align:Left;'><div><div><p style='margin:0 0 0 0;'><span>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 development right in real estate referring to the empty space about a property. These tax lot numbers start at 7000. There are approximately 704 air rights lots. </span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span>Non-contiguous Air Rights Lots numbered in 8000 series can either be District owned Multifamily rental units or Existing Development Mixed (residential and commercial).</span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span>Multifamily 8000 series lots can be proposed development projects that are inclusive of the Mayor’s Office Affordable/Public Housing Initiatives. Additionally, they can either be development sites that are owned by the District and the site is leased to developer. Due to financing and legal requirements, each set of government funded units are required to have separate parcel ID’s (SSL’s). All the units are rentals, none of the units will be for sale.</span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span>Existing Development Mixed Use 8000 series lots are residential owner(s) that own both residential and commercial portions. The Lot split is done to ensure each party pays the appropriate real estate taxes assessed to each specific use. There is a master covenant lease outlining property access-rights-use between residential and commercial owner and lease holders. There is also a master lease related to the commercial space where the residential owner is the lease holder.</span></p></div></div></div>

Tags: air-rights, dc, district-of-columbia, dob, land, lot, planning-cadastre, property, square, vpmdata, washington-dc
Organization: District of Columbia
Air Rights Lots

<div style='text-align:Left;'><div><div><p style='margin:0 0 0 0;'><span>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 development right in real estate referring to the empty space about a property. These tax lot numbers start at 7000. There are approximately 704 air rights lots. </span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span>Non-contiguous Air Rights Lots numbered in 8000 series can either be District owned Multifamily rental units or Existing Development Mixed (residential and commercial).</span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span>Multifamily 8000 series lots can be proposed development projects that are inclusive of the Mayor’s Office Affordable/Public Housing Initiatives. Additionally, they can either be development sites that are owned by the District and the site is leased to developer. Due to financing and legal requirements, each set of government funded units are required to have separate parcel ID’s (SSL’s). All the units are rentals, none of the units will be for sale.</span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span>Existing Development Mixed Use 8000 series lots are residential owner(s) that own both residential and commercial portions. The Lot split is done to ensure each party pays the appropriate real estate taxes assessed to each specific use. There is a master covenant lease outlining property access-rights-use between residential and commercial owner and lease holders. There is also a master lease related to the commercial space where the residential owner is the lease holder.</span></p></div></div></div>

Tags: air-rights, dc, district-of-columbia, dob, land, lot, planning-cadastre, property, square, vpmdata, washington-dc
Organization: District of Columbia
Air Rights Lots (Historical)

<div style='text-align:Left;'><div><div><p style='margin:0 0 0 0;'><span>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 referring to the empty space about a property. These tax lot numbers start at 7000. There are approximately 704 air rights lots. </span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span>Non-contiguous Air Rights Lots numbered in 8000 series can either be District owned Multifamily rental units or Existing Development Mixed (residential and commercial).</span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span>Multifamily 8000 series lots can be proposed development projects that are inclusive of the Mayor’s Office Affordable/Public Housing Initiatives. Additionally, they can either be development sites that are owned by the District and the site is leased to developer. Due to financing and legal requirements, each set of government funded units are required to have separate parcel ID’s (SSL’s). All the units are rentals, none of the units will be for sale.</span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span>Existing Development Mixed Use 8000 series lots are residential owner(s) that own both residential and commercial portions. The Lot split is done to ensure each party pays the appropriate real estate taxes assessed to each specific use. There is a master covenant lease outlining property access-rights-use between residential and commercial owner and lease holders. There is also a master lease related to the commercial space where the residential owner is the lease holder.</span></p></div></div></div>

Tags: air-rights, dc, district-of-columbia, dob, history, land, lot, planning-cadastre, property, square, vpmdata, washington-dc
Organization: District of Columbia
Alley Frontage Lines

<div style='text-align:Left;'><div><div><p><span>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 coincident with the square boundary. The exceptions to this are internal alley’s that might be overlaid by a tax lot. They were captured largely to enable continuity within each square. Alley Polygon does not exist. They could be created with this data by using an automated routine which searches linear feature of the Record, Tax and Parcel Lots feature classes where Line_Classification = 3, 4 and 6, then turning these selected lines into poly’s, another method would be clipping a square boundary with the tax and record lots.</span></p></div></div></div>

Tags: alley-frontage, cadastral, dc, district-of-columbia, dob, land, lot, property, square, washington-dc
Organization: District of Columbia
Roadway Blockface

<div style='text-align:Left;'><div><div><p><span>Blockface Segments are unbroken sections of the curb. A blockface can be made up of several subblocks, or just one subblock. There are blockfaces on both sides of the road, each dependent on an unbroken length of curb.</span></p><p><span>For more information please visit </span><a href='https://ddotwiki.atlassian.net:443/wiki/spaces/GIS0225/pages/2053603653/GIS' style='text-decoration:underline;' rel='nofollow ugc'><span>DDOT's wiki page</span></a></p></div></div></div>

Tags: block-face, ddot, district-of-columbia, linear-referencing, lrs, roadway-blockface, roadwayhub, transportation, washington-dc
Organization: District of Columbia
Roadway SubBlock

<div style='text-align:Left;'><div><div><p><span>SubBlock represent the near-full extent of our centerline network (only driveways are excluded). SubBlock is the finest grained, 'base' segments from which all other segmentation patterns can be constructed (including Blocks). SubBlock is the original source features for our DDOT Street Centerlines data. Road types include streets, Alleys, Ramps, Service Roads, and Trails. Previously called Roadway Segments. </span></p><p><span>For more information please visit </span><a href='https://ddotwiki.atlassian.net:443/wiki/spaces/GIS0225/pages/2053603653/GIS' style='text-decoration:underline;' rel='nofollow ugc'><span>DDOT's wiki page</span></a><span>.</span></p></div></div></div>

Tags: ddot, district-of-columbia, linear-referencing, lrs, roadway-hub, roadway-subblock, street-subblock, transportation, washington-dc
Organization: District of Columbia
Roadway SubBlock Intersection

<div style='text-align:Left;'><div><div><p><span>Roads and Highways manages intersections, however they are not singular points; RH creates a series of points - one for each intersecting road at that intersection. For DDOT, it is more useful to have a single intersection point representing the intersection. Through a custom DDOT script,the series of intersection points is reduced into a single representative point.</span></p><p><span>For more information please visit </span><a href='https://ddotwiki.atlassian.net:443/wiki/spaces/GIS0225/pages/2053603653/GIS' style='text-decoration:underline;' rel='nofollow ugc'><span>DDOT's wiki page</span></a><span>.</span></p></div></div></div>

Tags: dc, district-of-columbia, intersection, transportation, washington
Organization: District of Columbia
Roadway Block

<div style='text-align:Left;'><div><div><p><span>For a city, street blocks are a very common way in which to organize and relate work (e.g. 'I need to fix a pothole on the 1600 Block of Pennsylvania Ave'). Although driveways or alleys may intersect streets, this representation requires that the segment remain unbroken. Road types include streets. Previously Called Street Segments. Note that there are no from/to address fields. We will not be maintaining them in our data. There also will be no generating a 'streetname' list.</span></p><p><span>For more information please visit </span><a href='https://ddotwiki.atlassian.net:443/wiki/spaces/GIS0225/pages/2053603653/GIS' style='text-decoration:underline;' rel='nofollow ugc'><span>DDOT's wiki page</span></a><span>.</span></p></div></div></div>

Tags: ddot, district-of-columbia, linear-referencing, lrs, roadway-block, roadway-hub, street-block, transportation, washington-dc
Organization: District of Columbia
Roadway Block Intersection

<div style='text-align:Left;'><div><div><p><span>Roads and Highways manages intersections, however they are not singular points; RH creates a series of points - one for each intersecting road at that intersection. For DDOT, it is more useful to have a single intersection point representing the intersection. Through a custom DDOT script,the series of intersection points is reduced into a single representative point.</span></p><p><span>For more information please visit </span><a href='https://ddotwiki.atlassian.net:443/wiki/spaces/GIS0225/pages/2053603653/GIS' style='text-decoration:underline;' rel='nofollow ugc'><span>DDOT's wiki page</span></a></p></div></div></div>

Tags: block-intersection, ddot, district-of-columbia, intersection, linear-referencing, lrs, roadway, roadwayhub, transportation, washington-dc
Organization: District of Columbia