{
  "address": "2726 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/2726/",
  "apn": "4079016",
  "block": "4079",
  "lot": "016",
  "eas_baseid": "368200",
  "coordinates": {
    "lat": 37.759482,
    "lng": -122.408569
  },
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 2,
    "rooms": 9,
    "bathrooms": 2,
    "bedrooms": 3,
    "lot_area_sqft": 2204,
    "building_area_sqft": 1790,
    "basement_area_sqft": 730,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 2726 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1179101,
    "assessed_improvement_value": 663360,
    "last_sale_date": "2018-12-21"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District, Historic Survey Result",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Gottlieb Knopf Block Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "1889–1892, 1920–1940",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "M1212188",
      "type": "otc alterations permit",
      "status": "filed",
      "filed": "2020-06-19",
      "status_date": "2020-06-19",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1189207",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2020-01-31",
      "status_date": "2020-01-31",
      "revised_cost": 0,
      "description": "streetspace",
      "source": "sf-building-permits"
    },
    {
      "number": "201911147325",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-11-14",
      "status_date": "2020-08-31",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to pa# 2019-0703-5092: eliminating work on 2nd floor",
      "source": "sf-building-permits"
    },
    {
      "number": "201907035092",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-07-03",
      "status_date": "2020-08-31",
      "estimated_cost": 15500,
      "revised_cost": 75000,
      "description": "new addition on 1st fl, new windows/doors. new rooms include office, bedroom, storage room, laundry area, media room, full bath. electrical throughout rpelace water heater & furnace. new interior spiral staircase. remove (e) deck & stairs.",
      "source": "sf-building-permits"
    },
    {
      "number": "201701127048",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-01-12",
      "status_date": "2017-03-08",
      "estimated_cost": 4843,
      "revised_cost": 5000,
      "description": "install new sliding wood composite fibrex window at the rear of the house.replacement all in-kind. two windows",
      "source": "sf-building-permits"
    }
  ],
  "sources": [
    {
      "id": "sf-eas-addresses",
      "name": "SF Enterprise Addressing System via DataSF",
      "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=20TH&street_type=ST&address_number=2726",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-assessor-roll",
      "name": "SF Office of the Assessor-Recorder via DataSF (2025 secured roll)",
      "query": "https://data.sfgov.org/resource/wv5m-vpq2.json?parcel_number=4079016&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=4079&lot=016",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=4079016",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.40856884851851%2037.75948238157162)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}