{
  "address": "3722–3724 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/3722/",
  "apn": "3598010A",
  "block": "3598",
  "lot": "010A",
  "eas_baseid": "361618",
  "coordinates": {
    "lat": 37.75857,
    "lng": -122.424145
  },
  "address_range": "3722–3724",
  "street_numbers_on_parcel": [
    "3722",
    "3724"
  ],
  "parcel": {
    "year_built": 1930,
    "units": 2,
    "stories": 3,
    "rooms": 12,
    "bathrooms": 6,
    "bedrooms": 7,
    "lot_area_sqft": 2848,
    "building_area_sqft": 5470,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Mission Dolores",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3724 3722 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1735135,
    "assessed_improvement_value": 1430292,
    "last_sale_date": "2020-10-21"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1930",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Inner Mission Boulevards and Alleys Reconstruction 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": "1906–1917",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "202203089429",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-03-08",
      "status_date": "2022-12-05",
      "estimated_cost": 45000,
      "revised_cost": 45000,
      "description": "revision to pa# 202102195010. update p.l. foundation replacement. keep (e) conc retaining wall. remove 2 (e) posts in garage & replace with stl bm. add plywood sw at each side of garage.",
      "source": "sf-building-permits"
    },
    {
      "number": "202102195010",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-02-19",
      "status_date": "2022-12-05",
      "estimated_cost": 210000,
      "revised_cost": 210000,
      "description": "ground floor: infill ground fl. underneath extg rear popout structure, add habitable space for lower unit (3722 20th st.) with interior stair conn.(1) new bath & kitchen. 2nd fl: remodel & add 2 bath & 1 bedroom. 3rd fl: remodel kitchen and (n) bath (3724 20th st",
      "source": "sf-building-permits"
    },
    {
      "number": "M117747",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-04-28",
      "status_date": "2008-04-28",
      "revised_cost": 1,
      "description": "street space permit. renewal.",
      "source": "sf-building-permits"
    },
    {
      "number": "M31999",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2005-04-11",
      "status_date": "2005-04-11",
      "revised_cost": 0,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "200002293088",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-02-29",
      "status_date": "2000-04-07",
      "revised_cost": 2200,
      "description": "termite repair",
      "source": "sf-building-permits"
    },
    {
      "number": "9514038",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1995-08-30",
      "status_date": "1996-03-12",
      "estimated_cost": 7950,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9314967",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1993-08-31",
      "status_date": "1994-02-28",
      "estimated_cost": 7195,
      "description": "replace window in like",
      "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=3722",
      "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=3598010A&$order=closed_roll_year%20DESC&$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=3598&lot=010A",
      "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=3598010A",
      "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(-122.42414491419184%2037.75857000642132)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}