{
  "address": "3769 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/3769/",
  "apn": "3607062",
  "block": "3607",
  "lot": "062",
  "eas_baseid": "362282",
  "coordinates": {
    "lat": 37.758032,
    "lng": -122.424959
  },
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 2,
    "rooms": 9,
    "bathrooms": 2,
    "bedrooms": 2,
    "lot_area_sqft": 2848,
    "building_area_sqft": 2322,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3769 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 742000,
    "assessed_improvement_value": 318000,
    "last_sale_date": "2012-02-10"
  },
  "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, Historic Survey Result",
    "yearbuilt": "1900",
    "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": "202507231428",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-07-23",
      "status_date": "2025-09-17",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "window replacement: (5) total windows (same size, same locations, max u-factor 0.30), (4) visible from street on 2nd floor and (1) on south side on 2nd floor. like for like. single hung wood windows w/og lugs.",
      "source": "sf-building-permits"
    },
    {
      "number": "M594947",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-06-12",
      "status_date": "2015-06-12",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "201310098871",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-10-09",
      "status_date": "2013-10-18",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa # 200105149036. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "M392307",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-05-08",
      "status_date": "2013-05-08",
      "revised_cost": 1,
      "description": "street space.",
      "source": "sf-building-permits"
    },
    {
      "number": "M365168",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-01-08",
      "status_date": "2013-01-08",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "201207245642",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2012-07-24",
      "status_date": "2013-10-18",
      "estimated_cost": 150000,
      "revised_cost": 150000,
      "description": "exterior alterations include new doors & windows & new siding at (e) rear walls. new skylights in (e) roof & patio enlargement & retaining wall in rear garden. interior include reconfiguration of existing rooms, dem & const walls & stairs, excavation & lower (e) floor slab, new struct,elec,plbg",
      "source": "sf-building-permits"
    },
    {
      "number": "200707025649",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-07-02",
      "status_date": "2007-07-02",
      "estimated_cost": 145000,
      "revised_cost": 145000,
      "description": "kitchen remodel no structural work, no exteriorwk.",
      "source": "sf-building-permits"
    },
    {
      "number": "200105149036",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2001-05-14",
      "status_date": "2002-05-01",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "breakfast room addition 8'x12' adjacent to (e) kitchen, add partial counter & cabinets",
      "source": "sf-building-permits"
    },
    {
      "number": "200009211191",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-09-21",
      "status_date": "2000-11-03",
      "estimated_cost": 950,
      "revised_cost": 950,
      "description": "repair dryrot at front stair, stringer & steps",
      "source": "sf-building-permits"
    },
    {
      "number": "200007205645",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-07-20",
      "status_date": "2001-01-20",
      "estimated_cost": 8000,
      "revised_cost": 8000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8905120",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-04-03",
      "status_date": "1990-05-22",
      "estimated_cost": 2500,
      "description": "horizontal addition",
      "source": "sf-building-permits"
    },
    {
      "number": "8900187",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-01-05",
      "status_date": "1989-06-27",
      "estimated_cost": 800,
      "description": "install fireplace unit superior model #rd3800.",
      "source": "sf-building-permits"
    },
    {
      "number": "8815201",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1988-10-04",
      "status_date": "1989-04-04",
      "estimated_cost": 6000,
      "description": "resheetrock bath floors",
      "source": "sf-building-permits"
    },
    {
      "number": "8812004",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-08-18",
      "status_date": "1989-06-30",
      "estimated_cost": 30000,
      "description": "build two car garage per attached plans",
      "source": "sf-building-permits"
    },
    {
      "number": "8811910",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1988-08-16",
      "status_date": "1988-08-25",
      "estimated_cost": 2000,
      "description": "foundation work",
      "source": "sf-building-permits"
    },
    {
      "number": "8811071",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1988-08-05",
      "status_date": "1988-08-17",
      "estimated_cost": 1500,
      "description": "cap 25' of existing foundation on east side of building",
      "source": "sf-building-permits"
    },
    {
      "number": "8810957",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-08-04",
      "status_date": "1989-06-30",
      "estimated_cost": 20000,
      "description": "replace partitions, convert 2 units to one, new kit/cabinets",
      "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=3769",
      "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=3607062&$order=closed_roll_year%20DESC&$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=062",
      "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=3607062",
      "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(-122.42495859952733%2037.75803178321355)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}