{
  "address": "3732 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/3732/",
  "apn": "3604018A",
  "block": "3604",
  "lot": "018A",
  "eas_baseid": "362018",
  "coordinates": {
    "lat": 37.756556,
    "lng": -122.430931
  },
  "parcel": {
    "year_built": 1914,
    "units": 1,
    "stories": 2,
    "rooms": 8,
    "bathrooms": 4,
    "bedrooms": 4,
    "lot_area_sqft": 2850,
    "building_area_sqft": 1751,
    "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 3732 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2022816,
    "assessed_improvement_value": 1014682,
    "last_sale_date": "2007-09-12"
  },
  "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": "1914",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201411171646",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-11-17",
      "status_date": "2015-02-03",
      "estimated_cost": 18000,
      "revised_cost": 18000,
      "description": "replace 13 wooden windows throughout the house. 13 casement windows,6 in front of the house and 7 rear house. marvin metal clad casement. windows replaced in kind. u factor =0.32 max.",
      "source": "sf-building-permits"
    },
    {
      "number": "201411171677",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-11-17",
      "status_date": "2014-11-17",
      "estimated_cost": 35000,
      "revised_cost": 35000,
      "description": "kitchen remodel, replace existing cabinets & counter top, replace all appliances, no alteration of wall, window and door.",
      "source": "sf-building-permits"
    },
    {
      "number": "201111038209",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2011-11-03",
      "status_date": "2012-02-07",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "install new (3) fire sprinkler in new sun room addition and on exposed pipe in garage.",
      "source": "sf-building-permits"
    },
    {
      "number": "201108263334",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2011-08-26",
      "status_date": "2013-04-17",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "revision to pa# 2010-0908-0421: revised deck stair configuration, a revised deck configuration, an additional 36 sq ft at (e) breakfast room",
      "source": "sf-building-permits"
    },
    {
      "number": "201106278964",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2011-06-27",
      "status_date": "2013-04-17",
      "estimated_cost": 15000,
      "revised_cost": 16789,
      "description": "new 3rd floor guest bathroom and dressing room at location of extg bedroom.",
      "source": "sf-building-permits"
    },
    {
      "number": "201010132875",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-10-13",
      "status_date": "2011-08-23",
      "estimated_cost": 35000,
      "revised_cost": 35000,
      "description": "remodel existing bathroom, move shower, vanity & toilet, install new tile. no structural work. new lighting comply w/cec 150(k)",
      "source": "sf-building-permits"
    },
    {
      "number": "201009080421",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2010-09-08",
      "status_date": "2013-04-09",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "construction of a (n) extension to the (e) 1st floor deck with a (n) deck below at the basement level, and a (n) roof to enclose the (e) 2nd floor sunporch, all work to be done at the rear of the existing.",
      "source": "sf-building-permits"
    },
    {
      "number": "200708149706",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-08-14",
      "status_date": "2007-08-16",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to renew for final only under appl #9518349 & #8818069",
      "source": "sf-building-permits"
    },
    {
      "number": "9919117",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-09-13",
      "status_date": "1999-10-01",
      "estimated_cost": 3800,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9518349",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1995-10-31",
      "status_date": "1996-04-29",
      "estimated_cost": 4000,
      "description": "bathroom remodeling",
      "source": "sf-building-permits"
    },
    {
      "number": "9512284",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-08-04",
      "status_date": "1996-04-29",
      "estimated_cost": 3800,
      "description": "install channel iron in garage remove wall in living room",
      "source": "sf-building-permits"
    },
    {
      "number": "9409943",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1994-06-30",
      "status_date": "1995-05-12",
      "estimated_cost": 15000,
      "description": "horizontal additon.",
      "source": "sf-building-permits"
    },
    {
      "number": "9304954",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1993-03-29",
      "status_date": "1993-12-01",
      "estimated_cost": 15000,
      "description": "horizontal addition.",
      "source": "sf-building-permits"
    },
    {
      "number": "8818069",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1988-11-17",
      "status_date": "1991-03-04",
      "estimated_cost": 25000,
      "description": "vertical addition",
      "source": "sf-building-permits"
    },
    {
      "number": "8817827",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1988-11-14",
      "status_date": "1989-06-26",
      "estimated_cost": 1685,
      "description": "install new windows at the west dining room wall",
      "source": "sf-building-permits"
    },
    {
      "number": "8614839",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1986-11-21",
      "status_date": "1987-02-20",
      "estimated_cost": 6300,
      "description": "vertical addition, install 2 solar panels",
      "source": "sf-building-permits"
    },
    {
      "number": "8304963",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1983-06-01",
      "status_date": "1983-08-23",
      "estimated_cost": 1441,
      "description": "repair dry rot",
      "source": "sf-building-permits"
    },
    {
      "number": "8206417",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1982-08-05",
      "status_date": "1983-03-04",
      "estimated_cost": 5675,
      "description": "bldg use: dwg.",
      "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=3732",
      "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=3604018A&$order=closed_roll_year%20DESC&$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=018A",
      "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=3604018A",
      "retrieved": "2026-07-28"
    }
  ]
}