{
  "address": "3773 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/3773/",
  "apn": "3607061",
  "block": "3607",
  "lot": "061",
  "eas_baseid": "362281",
  "coordinates": {
    "lat": 37.758027,
    "lng": -122.425045
  },
  "parcel": {
    "year_built": 1885,
    "stories": 2,
    "rooms": 7,
    "bathrooms": 3,
    "bedrooms": 4,
    "lot_area_sqft": 2850,
    "building_area_sqft": 1600,
    "lot_depth_ft": 14,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "NA",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3773 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2713173,
    "assessed_improvement_value": 1162784,
    "last_sale_date": "2014-10-20"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A*",
    "ceqa_status_label": "Historic resource",
    "reason": "Article 10 Historic District, California Register Historic District",
    "yearbuilt": "1885",
    "in_article_10_11_historic_district": true,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Liberty Hill Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "Article 10 historic district",
    "local_landmark_protection": true,
    "period_of_significance": "1860s–1906",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "200105250004",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-05-25",
      "status_date": "2001-10-23",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "replace & repair dry rot at front. repair & cap existing foundation stem wall in kind. 10 ft at fron",
      "source": "sf-building-permits"
    },
    {
      "number": "200010254031",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2000-10-25",
      "status_date": "2001-10-22",
      "estimated_cost": 18000,
      "revised_cost": 18000,
      "description": "remove (e) stucco finish, repair and restore",
      "source": "sf-building-permits"
    },
    {
      "number": "200005301220",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-05-30",
      "status_date": "2000-08-23",
      "estimated_cost": 8000,
      "revised_cost": 8000,
      "description": "remove part of interior garage wall add steel beam and footings",
      "source": "sf-building-permits"
    },
    {
      "number": "9815036",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1998-08-04",
      "status_date": "1999-02-19",
      "estimated_cost": 50000,
      "description": "expand kitchen, change full bthroom into 1/2 bath",
      "source": "sf-building-permits"
    },
    {
      "number": "9019739",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1990-09-27",
      "status_date": "1993-12-15",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "horizontal addition",
      "source": "sf-building-permits"
    },
    {
      "number": "8814720",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1988-09-27",
      "status_date": "1989-03-01",
      "estimated_cost": 20000,
      "description": "remodel kitchen & bath",
      "source": "sf-building-permits"
    },
    {
      "number": "8808446",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1988-06-22",
      "status_date": "1989-03-01",
      "estimated_cost": 8000,
      "description": "bathroom walls & ceiling sheetrock, kithen walls & ceiling.",
      "source": "sf-building-permits"
    },
    {
      "number": "8803415",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-03-17",
      "status_date": "1989-03-01",
      "estimated_cost": 4000,
      "description": "legalize bldg as 2 family dwellings",
      "source": "sf-building-permits"
    },
    {
      "number": "8615148",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1986-11-28",
      "status_date": "1987-10-22",
      "estimated_cost": 1000,
      "description": "remove two doorways & door frames, remove kitchen & cap off",
      "source": "sf-building-permits"
    },
    {
      "number": "8302310",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1983-03-21",
      "status_date": "1984-03-19",
      "estimated_cost": 1,
      "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=3773",
      "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=3607061&$order=closed_roll_year%20DESC&$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=3607&lot=061",
      "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=3607061",
      "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(-122.42504482888285%2037.758026570366816)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}