{ "parcel_source": { "county": "District of Columbia", "state": "DC", "fips": "11001", "epsg": 26918, "title": "District of Columbia property research", "source": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/40", "license": "https://creativecommons.org/licenses/by/4.0/", "license_note": "Creative Commons Attribution 4.0, as stated in official DCGIS layer item metadata. Retain attribution, license and an indication of transformations; no endorsement implied.", "attribution": "District of Columbia, Office of the Chief Technology Officer GIS and Office of Tax and Revenue, Vector Property Mapping and Integrated Tax System Public Extract.", "vintage": "Official DCGIS common-ownership layer retrieved September 23, 2026. Source extract timestamps are retained per record and vary. CY1YEAR is a current-year description, not a certified assessment fiscal year. Snapshot IDs are not persistent cross-vintage identifiers; original SSL and GLOBALID are retained. The common-ownership geometry covers source lots outside right-of-way and does not represent individual condominium-unit boundaries.", "analysis_max_segment_degrees": 0.0001 }, "exported_at_utc": "2026-09-23T21:18:43.728292+00:00", "projection": "EPSG:26918", "enrichment_sources": [ { "source": { "url": "https://hazards.fema.gov/arcgis/rest/services/public/NFHL/MapServer/28", "where": "1=1", "bbox": [ -77.12431362757738, 38.79665901944698, -76.90416778792152, 39.00097728803504 ] }, "retrieved_at_utc": "2026-09-23T21:23:34.156510+00:00", "features": 1333, "overlay_geometries_repaired": 0 }, { "source": { "url": "https://nces.ed.gov/opengis/rest/services/K12_School_Locations/EDGE_ADMINDATA_PUBLICSCH_2425/MapServer/1", "where": "LSTATE='DC' AND STATUS <> '2' AND VIRTUAL <> 'Virtual school'", "bbox": null }, "retrieved_at_utc": "2026-09-23T21:24:07.585592+00:00", "features": 243, "overlay_geometries_repaired": 0 }, { "source": { "url": "https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/tigerWMS_ACS2024/MapServer/14", "where": "STATE='11'", "bbox": [ -77.12431362757738, 38.79665901944698, -76.90416778792152, 39.00097728803504 ] }, "retrieved_at_utc": "2026-09-23T21:24:00.059610+00:00", "features": 1, "overlay_geometries_repaired": 0 } ], "county_validation_source": { "source": { "url": "https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/tigerWMS_ACS2024/MapServer/82", "where": "GEOID='11001'", "bbox": null }, "retrieved_at_utc": "2026-09-23T21:21:49.961821+00:00" }, "nwi_update": { "acquisition": { "url": "https://fwspublicservices.wim.usgs.gov/wetlandsmapservice/rest/services/Wetlands/MapServer/0", "project_url": "https://fwspublicservices.wim.usgs.gov/wetlandsmapservice/rest/services/Data_Source/MapServer/2", "retrieved_at_utc": "2026-09-23T21:21:05.237360+00:00", "source_sha256": "ab84edfa8592f4a9f63e874f52e7727ab1a7b2a58404277150567c33a8889d58", "county_source": "https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/tigerWMS_ACS2024/MapServer/82", "query_bbox_4326": [ -77.13975900017986, 38.77164499991415, -76.88939300018183, 39.01584500030949 ], "method": "National REST subset; complete source IDs reconciled. Original GeoJSON archive retained. DC analysis streams one source feature at a time, clips to query envelope plus 0.01 degree before projection, and densifies analysis-only edges to 0.0001 degree. Parcel eligibility remains restricted to the original query envelope; the clipping boundary lies outside every eligible parcel." }, "projection": "EPSG:5070", "retrieved_polygon_count": 1358, "project_footprints": [ { "OBJECTID": 38753, "PROJECT_NAME": "Washington West", "STATUS": "Digital", "SUPPMAPINFO": "None", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 1994, "IMAGE_DATE": "04/81, 04/88, 03/94", "IMAGE_SCALE": 40000, "ALL_SCALES": "1:58K,1:40K", "EMULSION": "CIR", "COMMENTS": "NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v220.", "SOURCE_TYPE": "CIR", "SHAPE_Length": 63607.05281592731, "SHAPE_Area": 248918976.04601184 }, { "OBJECTID": 48519, "PROJECT_NAME": "Kensington", "STATUS": "Digital", "SUPPMAPINFO": "None", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 1988, "IMAGE_DATE": "04/81, 04/88", "IMAGE_SCALE": 40000, "ALL_SCALES": "1:58K,1:40K", "EMULSION": "CIR", "COMMENTS": "Digitized from photo pack mylars; NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v210.", "SOURCE_TYPE": "CIR", "SHAPE_Length": 63672.64942981457, "SHAPE_Area": 249375950.58850268 }, { "OBJECTID": 49515, "PROJECT_NAME": "Rockville", "STATUS": "Digital", "SUPPMAPINFO": "None", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 1988, "IMAGE_DATE": "04/81, 04/88", "IMAGE_SCALE": 40000, "ALL_SCALES": "1:58K,1:40K", "EMULSION": "CIR", "COMMENTS": "COMP; NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v210.", "SOURCE_TYPE": "CIR", "SHAPE_Length": 63671.22303692141, "SHAPE_Area": 249364780.40912935 }, { "OBJECTID": 51600, "PROJECT_NAME": "Falls Church", "STATUS": "Digital", "SUPPMAPINFO": "None", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 1994, "IMAGE_DATE": "04/81, 04/88, 03/94", "IMAGE_SCALE": 40000, "ALL_SCALES": "1:58K,1:40K", "EMULSION": "CIR", "COMMENTS": "NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v220.", "SOURCE_TYPE": "CIR", "SHAPE_Length": 63607.17590934249, "SHAPE_Area": 248913142.80392075 }, { "OBJECTID": 56656, "PROJECT_NAME": "Washington East", "STATUS": "Digital", "SUPPMAPINFO": "None", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 1981, "IMAGE_DATE": "04/81", "IMAGE_SCALE": 58000, "ALL_SCALES": "1:58K", "EMULSION": "CIR", "COMMENTS": "NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v220.", "SOURCE_TYPE": "CIR", "SHAPE_Length": 48494.357643264324, "SHAPE_Area": 73233450.13751268 }, { "OBJECTID": 56659, "PROJECT_NAME": "Anacostia", "STATUS": "Digital", "SUPPMAPINFO": "None", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 1981, "IMAGE_DATE": "04/81", "IMAGE_SCALE": 58000, "ALL_SCALES": "1:58K", "EMULSION": "CIR", "COMMENTS": "NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v220.", "SOURCE_TYPE": "CIR", "SHAPE_Length": 25673.97914135399, "SHAPE_Area": 28284288.854946412 }, { "OBJECTID": 56662, "PROJECT_NAME": "Beltsville", "STATUS": "Digital", "SUPPMAPINFO": "None", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 1981, "IMAGE_DATE": "04/81", "IMAGE_SCALE": 58000, "ALL_SCALES": "1:58K", "EMULSION": "CIR", "COMMENTS": "NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v220.", "SOURCE_TYPE": "CIR", "SHAPE_Length": 35845.13647349809, "SHAPE_Area": 22687.492618413773 }, { "OBJECTID": 57161, "PROJECT_NAME": "Northern Virginia", "STATUS": "Digital", "SUPPMAPINFO": "https://documentst.ecosphere.fws.gov/wetlands/data/SupMapInf/R09Y05P23.pdf", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 1994, "IMAGE_DATE": "04/94", "IMAGE_SCALE": 40000, "ALL_SCALES": "1:40,000", "EMULSION": "CIR", "COMMENTS": "None; NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v210.", "SOURCE_TYPE": "CIR", "SHAPE_Length": 523440.6495747848, "SHAPE_Area": 4399279505.734587 }, { "OBJECTID": 60847, "PROJECT_NAME": "Rapid Coastal Update", "STATUS": "Digital", "SUPPMAPINFO": "https://documentst.ecosphere.fws.gov/wetlands/data/SupMapInf/R05Y13P13.pdf", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 2008, "IMAGE_DATE": "xx/08,xx/09,xx10,xx/11", "IMAGE_SCALE": 1, "ALL_SCALES": "1 Meter", "EMULSION": "TC", "COMMENTS": "NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v220.", "SOURCE_TYPE": "TC", "SHAPE_Length": 324684.35857588996, "SHAPE_Area": 2966406141.135854 }, { "OBJECTID": 60850, "PROJECT_NAME": "Chesapeake Bay", "STATUS": "Digital", "SUPPMAPINFO": "https://documentst.ecosphere.fws.gov/wetlands/data/SupMapInf/R05Y11P02.pdf", "FGDC_METADATA": "https://documentst.ecosphere.fws.gov/wetlands/data/metadata/FWS_Wetlands_Project_Metadata.xml", "DATA_SOURCE": null, "IMAGE_YR": 2013, "IMAGE_DATE": "xx/13", "IMAGE_SCALE": 1, "ALL_SCALES": "1 Meter", "EMULSION": "TC", "COMMENTS": "NWI Version 2 derived by supplementing single-line stream features not mapped by the NWI with NHD 931v220.", "SOURCE_TYPE": "TC", "SHAPE_Length": 802403.8252539344, "SHAPE_Area": 15774343286.680468 } ], "overlay_geometries_repaired": 10, "base_archive_sha256": "3274d9068dfe5a42891150aa7c862c153276ede84d5b1829fe0e59bb6cd109b4", "limitations": "Biological mapping, not regulatory jurisdiction or a determination of wetland absence.", "at_utc": "2026-09-23T22:20:52.959302+00:00" }, "dc_research_supplements": { "at_utc": "2026-09-23T22:42:26.802753+00:00", "preserved_wetlands_archive_sha256": "24ac79b8055629a8ec041aefdb1417282a8df228ecd2832b13b9fb4668705f3a", "condo_provenance": { "generated_at_utc": "2026-09-23T21:34:58.369928+00:00", "sources": { "dc-district-of-columbia": { "complete": true, "sku": "dc-district-of-columbia", "county": "District of Columbia", "state": "DC", "county_fips": "11001", "count": 137400, "source_url": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/40", "source_oid_field": "OBJECTID", "where": "1=1", "selected_original_fields": [ "OBJECTID", "GLOBALID", "SSL", "SQUARE", "SUFFIX", "LOT", "LOT_TYPE", "OF_LOT_SEQ", "PAR", "RES", "UNDERLIES_CONDO", "CONDO_REGIME_NUM", "CONDO_BOOK_NUM", "CONDO_PAGE_NUM", "OWNERNAME", "OWNNAME2", "CAREOFNAME", "PREMISEADD", "UNITNUMBER", "ADDRESS1", "ADDRESS2", "CITYSTZIP", "PROPTYPE", "USECODE", "NBHD", "NBHDNAME", "LANDAREA", "STATEDAREA", "STATEDAREAUNIT", "CALCULATEDAREA", "ASSESSMENT", "PHASELAND", "PHASEBUILD", "NEWLAND", "NEWIMPR", "NEWTOTAL", "SALEPRICE", "SALEDATE", "SALETYPE", "ACCEPTCODE", "INSTNO", "EXTRACTDAT", "EFFECTIVETAXYEAR", "CY1YEAR", "CREATED_DATE", "LAST_EDITED_DATE", "ISHISTORIC", "MAR_ID" ], "retrieval_started_at_utc": "2026-09-23T21:15:58.467980+00:00", "retrieved_at_utc": "2026-09-23T21:18:43.728292+00:00", "source_extract_dates_ms": { "1785729600000": 11238, "1788926400000": 1892, "1789704000000": 4822, "1789358400000": 62703, "1787284800000": 1067, "1789531200000": 12345, "1782792000000": 13, "1789444800000": 7256, "1788840000000": 3586, "1786593600000": 235, "1787803200000": 918, "1787889600000": 935, "1786334400000": 453, "1789963200000": 1149, "1789012800000": 2213, "1788494400000": 1367, "None": 4412, "1788408000000": 1469, "1787630400000": 809, "1788321600000": 1089, "1787716800000": 540, "1789099200000": 2154, "1775016000000": 134, "1788148800000": 2221, "1786939200000": 1055, "1790049600000": 612, "1787198400000": 818, "1789617600000": 2219, "1787544000000": 2126, "1788235200000": 1142, "1785384000000": 3, "1772514000000": 284, "1772427600000": 612, "1786507200000": 226, "1787025600000": 577, "1785816000000": 744, "1786075200000": 217, "1787112000000": 612, "1785988800000": 194, "1786420800000": 224, "1786680000000": 264, "1785902400000": 318, "1779854400000": 9, "1785470400000": 2, "1775620800000": 4, "1773374400000": 1, "1776830400000": 33, "1777521600000": 3, "1785211200000": 2, "1778644800000": 12, "1775534400000": 5, "1777953600000": 12, "1783569600000": 3, "1776744000000": 3, "1777435200000": 1, "1782878400000": 2, "1784174400000": 2, "1777608000000": 2, "1784606400000": 4, "1784001600000": 1, "1782360000000": 1, "1780459200000": 3, "1778040000000": 2, "1781150400000": 6, "1775102400000": 1, "1780545600000": 2, "1780286400000": 1, "1776225600000": 1, "1778731200000": 1, "1780977600000": 1, "1776916800000": 1, "1784865600000": 1, "1773288000000": 1, "1782446400000": 2, "1781668800000": 3, "1785124800000": 1, "1776139200000": 1, "1784088000000": 1, "1780372800000": 1, "1775448000000": 1 }, "license_url": "https://creativecommons.org/licenses/by/4.0/", "license_note": "Creative Commons Attribution 4.0, as stated in official DCGIS layer item metadata. Retain attribution, license and an indication of transformations; no endorsement implied.", "attribution": "District of Columbia, Office of the Chief Technology Officer GIS and Office of Tax and Revenue, Vector Property Mapping and Integrated Tax System Public Extract.", "source_metadata_url": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/40/iteminfo", "scope_note": "Common ownership polygons representing lands outside right-of-way. Does not include individual condominium interests; those require separate Condo Approval Lots and CondoRelate sources. This retrieval contains the 48 listed original fields and full returned geometry, not every field in the source table. Source extract dates are retained; retrieval is not title verification. Counts and IDs are reconciled before and after retrieval, but the service does not expose a transactionally locked snapshot.", "validation": "Every batch ID and field set, all-source count/IDs before and after, field schema and available edit-version metadata checked.", "bytes": 38207154, "sha256": "4a73579228fe22d9aec7a0b7d18aa0bba1965a4808341d853f1e073ae0b6f0ea" }, "dc-condo-relate": { "complete": true, "source": "dc-condo-relate", "source_url": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/52", "count": 73545, "original_fields": [ "SSL", "REGIME", "COMPLEX", "NAME", "REC_LOT", "UNDER_REC", "TAX_LOT", "UNDER_TAX", "CONDO_BK", "CONDO_PG", "REC_LOT2", "SQUARE", "SUFFIX", "LOT", "MAT_SSL", "ACT_LOT", "REGIME_ID", "UNITNUM", "DOC_DATE", "O_LOTS", "BK_PG", "UNUM_OWN", "UID_", "MARUNITNUM", "AIR_LOT", "UNDER_AIR", "ACCEPTCODE", "WARD", "MAR_ID", "CONVERTED_TO_GEOM", "CREATED_DATE", "LAST_EDITED_DATE", "OBJECTID", "GLOBALID" ], "geometry_included": false, "retrieval_started_at_utc": "2026-09-23T21:23:03.884531+00:00", "retrieved_at_utc": "2026-09-23T21:24:01.483106+00:00", "license_url": "https://creativecommons.org/licenses/by/4.0/", "attribution": "District of Columbia, Department of Buildings, Office of the Surveyor, Office of Tax and Revenue and OCTO GIS.", "scope_note": "Original related source rows. No unit-to-parcel relationship, current owner, active status or unit geometry inferred. Every count/ID/batch/field set reconciled; not a transactionally locked snapshot.", "bytes": 2412662, "sha256": "7d65a39d2b6c74343f216c797a71b654fb362be6de56f3f258d7ee003bdec1ff" }, "dc-condo-subdivisions": { "complete": true, "source": "dc-condo-subdivisions", "source_url": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/55", "count": 4434, "original_fields": [ "CONDO_BK", "CONDO_PG", "BK_PG", "DOC_DATE", "SQUARE", "SUFFIX", "REC_LOT", "O_LOTS", "TAX_LOT", "MAT_SSL", "MISC", "REGIME", "REGIME_ID", "OBJECTID" ], "geometry_included": false, "retrieval_started_at_utc": "2026-09-23T21:24:01.812362+00:00", "retrieved_at_utc": "2026-09-23T21:24:03.750885+00:00", "license_url": "https://creativecommons.org/licenses/by/4.0/", "attribution": "District of Columbia, Department of Buildings, Office of the Surveyor, Office of Tax and Revenue and OCTO GIS.", "scope_note": "Original related source rows. No unit-to-parcel relationship, current owner, active status or unit geometry inferred. Every count/ID/batch/field set reconciled; not a transactionally locked snapshot.", "bytes": 132360, "sha256": "fa5bb8fc9c0fd53d4ffb6fd8289a242f9487da8e7a6b02f7aced8baeaea2e3e2" }, "dc-condo-approval-lots": { "complete": true, "source": "dc-condo-approval-lots", "source_url": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/44", "count": 4865, "original_fields": [ "CREATION_DT", "RECORDATION_DT", "NARRATIVE", "EXPIRATION_DT", "STATUS", "SQUARE", "SUFFIX", "LOT", "LOT_TYPE", "COMPUTED_AREA_SF", "QUADRANT", "RECORD_AREA_SF", "OF_LOT_SEQ", "BOOK_NUM", "PAGE_NUM", "UNDERLIES_CONDO", "CONDO_BOOK_NUM", "CONDO_PAGE_NUM", "KILL_DT", "SSL", "COL", "CONDOLOT", "CONDO_REGIME_NUM", "MAR_ID", "AREA_1", "LEN_1", "CREATEDBYRECORD", "RETIREDBYRECORD", "STATEDAREA", "STATEDAREAUNIT", "CALCULATEDAREA", "CREATED_DATE", "LAST_EDITED_DATE", "ISHISTORIC", "RECORD", "RETIRING_RECORD", "SHAPE.AREA", "SHAPE.LEN", "OBJECTID", "GLOBALID" ], "geometry_included": true, "retrieval_started_at_utc": "2026-09-23T21:24:07.420300+00:00", "retrieved_at_utc": "2026-09-23T21:24:13.314848+00:00", "license_url": "https://creativecommons.org/licenses/by/4.0/", "attribution": "District of Columbia, Department of Buildings, Office of the Surveyor, Office of Tax and Revenue and OCTO GIS.", "scope_note": "Original related source rows. No unit-to-parcel relationship, current owner, active status or unit geometry inferred. Every count/ID/batch/field set reconciled; not a transactionally locked snapshot.", "bytes": 1185985, "sha256": "a78381d67b8013f758df9bee26066fcde0d39034a783b43764829fe1fd66c67d" }, "dc-itspe": { "complete": true, "source": "dc-itspe", "source_url": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Property_and_Land_WebMercator/MapServer/53", "count": 221588, "original_fields": [ "OBJECTID", "SSL", "SQUARE", "SUFFIX", "LOT", "OWNERNAME", "OWNNAME2", "CAREOFNAME", "ADDRESS1", "ADDRESS2", "CITYSTZIP", "PREMISEADD", "UNITNUMBER", "PROPTYPE", "USECODE", "LANDAREA", "ASSESSMENT", "PHASELAND", "PHASEBUILD", "SALEPRICE", "SALEDATE", "SALETYPE", "ACCEPTCODE", "EXTRACTDAT", "CY1YEAR" ], "geometry_included": false, "retrieval_started_at_utc": "2026-09-23T21:26:02.255939+00:00", "retrieved_at_utc": "2026-09-23T21:29:05.270385+00:00", "license_url": "https://creativecommons.org/licenses/by/4.0/", "attribution": "District of Columbia, Department of Buildings, Office of the Surveyor, Office of Tax and Revenue and OCTO GIS.", "scope_note": "Complete source table record selection with only the 25 explicitly listed original fields. Tax balance, penalty, mortgage, homestead and other omitted fields are not part of this extract. No unit-to-parcel relationship or current legal ownership inferred. Every source count/ID/batch/selected-field set reconciled; not a transactionally locked snapshot.", "bytes": 20788852, "sha256": "d470b93d85533f003fd1c724f09edb45167cde398741767813af61d5a22fbdd4" } }, "relationship_rules": { "assessment": "CondoRelate.SSL = ITSPE.SSL, relationship38", "common_lot": "CondoRelate.REGIME = OwnerPLY.CONDO_REGIME_NUM, relationship11", "approval_lot": "CondoRelate.MAT_SSL = CondoApprovalLots.SSL, relationship17" }, "matching": "Exact original strings only, including leading zeros and internal spaces; blank keys never match. All matching source IDs are retained. Assessment attributes are populated only for a single exact source match. No fuzzy matching or parent geometry assignment.", "license": "Underlying DCGIS sources CC BY4.0; attribution and license retained in source receipts; no endorsement implied." }, "zoning_provenance": { "generated_at_utc": "2026-09-23T22:39:36.030196+00:00", "base_sha256": "3274d9068dfe5a42891150aa7c862c153276ede84d5b1829fe0e59bb6cd109b4", "sources": { "zones": { "complete": true, "source": "dc-current-zones", "source_url": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planning_Landuse_and_Zoning_WebMercator/MapServer/32", "count": 979, "original_fields": [ "ZONING", "ZONING_LABEL", "ZONING_STATUS", "ZONE_DISTRICT", "ZONE_DESCRIPTION", "ZR58", "ZR16", "ZR16_ORIGINAL", "ZONING_CHANGE_NARRATIVE", "ZONING_WEB_URL", "IZ_DESIGNATION", "SHAPE.AREA", "SHAPE.LEN", "GLOBALID", "OBJECTID" ], "geometry_included": true, "retrieval_started_at_utc": "2026-09-23T21:44:48.829555+00:00", "retrieved_at_utc": "2026-09-23T21:44:54.704349+00:00", "license_url": "https://creativecommons.org/licenses/by/4.0/", "attribution": "District of Columbia Office of Zoning and OCTO GIS.", "scope_note": "Current source polygons, separate base-zone and overlay layers. All counts, IDs and field sets reconciled. Final status required for every base-zone record. Not a transactionally locked snapshot or a legal entitlement determination. Title 2016 identifies the regulatory framework, not a 2016 snapshot.", "status_counts": { "Final": 979 }, "bytes": 3263673, "sha256": "0131d9b1d320292dd6dfc8df4bedc81c89b474e8ea7ff2f3cfe14afb0ea29f6e" }, "overlays": { "complete": true, "source": "dc-current-overlays", "source_url": "https://maps2.dcgis.dc.gov/dcgis/rest/services/DCGIS_DATA/Planning_Landuse_and_Zoning_WebMercator/MapServer/6", "count": 23, "original_fields": [ "OVERLAY_NAME", "OVERLAY_SHORT", "OVERLAY_DESCRIPTION_FULL", "OVERLAY_DESCRIPTION", "OVERLAY_ZONES", "OVERLAY_ZONE_LINK", "OVERLAY_LINK", "SHAPE.AREA", "SHAPE.LEN", "GLOBALID", "OBJECTID" ], "geometry_included": true, "retrieval_started_at_utc": "2026-09-23T21:44:57.312333+00:00", "retrieved_at_utc": "2026-09-23T21:44:57.887452+00:00", "license_url": "https://creativecommons.org/licenses/by/4.0/", "attribution": "District of Columbia Office of Zoning and OCTO GIS.", "scope_note": "Current source polygons, separate base-zone and overlay layers. All counts, IDs and field sets reconciled. Final status required for every base-zone record. Not a transactionally locked snapshot or a legal entitlement determination. Title 2016 identifies the regulatory framework, not a 2016 snapshot.", "bytes": 211918, "sha256": "83f4650cfec918ac337cb9c4328d2993dffcb021860ff9ea49bb9fb632315770" } }, "projection": "EPSG:26918", "analysis_max_segment_degrees": 0.0001, "minimum_intersection_square_metres": 1, "analysis_only_source_repairs": { "zones": 0, "overlays": 0 }, "method": "Full valid parcel polygons intersected with each source layer. Union area prevents double counting; every source polygon match and original attribute is retained in evidence. Different zone labels flag a split-zone review. No match and invalid geometry are distinct. Zero overlay overlap means no intersection with the retrieved layer, not absence of all special rules. Layer 32 final zoning and layer 6 overlays were retrieved separately. Excludes pending zoning, PUD case-specific conditions, air-rights determinations and unverified development-standard tables." }, "main_parcel_data_byte_preserved": true } }