{
  "address": "3722 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/3722/",
  "apn": "3604017",
  "block": "3604",
  "lot": "017",
  "eas_baseid": "362016",
  "coordinates": {
    "lat": 37.756566,
    "lng": -122.430759
  },
  "parcel": {
    "year_built": 1908,
    "units": 1,
    "stories": 2,
    "rooms": 8,
    "bathrooms": 2,
    "bedrooms": 3,
    "lot_area_sqft": 2850,
    "building_area_sqft": 2387,
    "lot_depth_ft": 14,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-1",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 3722 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 346722,
    "assessed_improvement_value": 514827,
    "last_sale_date": "1992-10-23"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unevaluated",
    "reason": "No evaluation and 45 years or older",
    "yearbuilt": "1908",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201408153935",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-08-15",
      "status_date": "2014-09-16",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "replace sashes in 5 windows (e) with (n) sashes, wood for wood, none visable from street, all into (e) frames.",
      "source": "sf-building-permits"
    },
    {
      "number": "200607287911",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2006-07-28",
      "status_date": "2007-01-22",
      "estimated_cost": 41000,
      "revised_cost": 41000,
      "description": "rear garden fencing, trellises,arbors. build surround for spa & deck at grade. plants,, irrigation & low-voltage lighting. spa to be portable \"plug-in\" unit.",
      "source": "sf-building-permits"
    },
    {
      "number": "200409154187",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-09-15",
      "status_date": "2004-09-15",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renewal app 200011085197-200305023637",
      "source": "sf-building-permits"
    },
    {
      "number": "200409154190",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-09-15",
      "status_date": "2004-10-13",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renewal app 200205156608-200404292605-200305023727",
      "source": "sf-building-permits"
    },
    {
      "number": "200404292605",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-04-29",
      "status_date": "2004-10-13",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to renew pa#2000/11/08/5197,2003/05/02/3637",
      "source": "sf-building-permits"
    },
    {
      "number": "200305023637",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2003-05-02",
      "status_date": "2003-05-02",
      "estimated_cost": 3000,
      "revised_cost": 7000,
      "description": "strengthen (e) roof structure, install new roof sheathing and roofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200305023727",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2003-05-02",
      "status_date": "2003-05-02",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "remove (e) partition, adjust position of exterior windows, move interior 1st floor bathroom",
      "source": "sf-building-permits"
    },
    {
      "number": "200205156608",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2002-05-15",
      "status_date": "2002-09-15",
      "estimated_cost": 450,
      "revised_cost": 450,
      "description": "windows, deck",
      "source": "sf-building-permits"
    },
    {
      "number": "200011085197",
      "type": "additions alterations or repairs",
      "status": "reinstated",
      "filed": "2000-11-08",
      "status_date": "2002-02-15",
      "estimated_cost": 200000,
      "revised_cost": 380000,
      "description": "interior renovation of existing 2 story, single family res. & maint. of existing non-conform struct.",
      "source": "sf-building-permits"
    },
    {
      "number": "8710382",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1987-07-23",
      "status_date": "1988-02-08",
      "estimated_cost": 300,
      "description": "replace rotting wood on front porch (front of dwelling)",
      "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=21ST&street_type=ST&address_number=3722",
      "retrieved": "2026-07-28"
    },
    {
      "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=3604017&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3604&lot=017",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3604017",
      "retrieved": "2026-07-28"
    }
  ]
}