{
  "address": "3790–3792 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/3790/",
  "apn": "3604026A",
  "block": "3604",
  "lot": "026A",
  "eas_baseid": "362027",
  "coordinates": {
    "lat": 37.756351,
    "lng": -122.432029
  },
  "address_range": "3790–3792",
  "street_numbers_on_parcel": [
    "3790",
    "3792"
  ],
  "parcel": {
    "year_built": 1929,
    "units": 2,
    "stories": 4,
    "rooms": 11,
    "bathrooms": 6,
    "bedrooms": 5,
    "lot_area_sqft": 1738,
    "building_area_sqft": 5082,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "3792 3790 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 4828496,
    "assessed_improvement_value": 2069352,
    "last_sale_date": "2022-03-15"
  },
  "historic_status": {
    "ceqa_status_code": "C",
    "ceqa_status_code_article_10_11": "C",
    "ceqa_status_label": "Not a historical resource",
    "reason": "Historic Resource Evaluation Response",
    "yearbuilt": "1929",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202311221325",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-11-22",
      "status_date": "2024-04-04",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to base permit #202305178001. omitting window at property line",
      "source": "sf-building-permits"
    },
    {
      "number": "202305178001",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2023-05-17",
      "status_date": "2024-04-04",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "legalize changes made during construction that differ from approved permit plans, correct any construction violations, pa# 201504013305, 201802010090, 201907105518, 201908017538.",
      "source": "sf-building-permits"
    },
    {
      "number": "M1155667",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-10-21",
      "status_date": "2019-10-21",
      "revised_cost": 0,
      "description": "streetspace",
      "source": "sf-building-permits"
    },
    {
      "number": "201908017538",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-08-01",
      "status_date": "2021-03-15",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "revision to pa 2015-0410-3305 & 2018-0201-0090. 1st f; - relocate fireplace, reconfigure kitchen, 1/2 bath, pantry areas, revise guardrails @ stairs; 2nd fl - add bath @ bedroom 2, relocate bath & laundry, reconfigure master bath & stairs; 3rd fl - reconfigure baths & stairs, replace hall window w/",
      "source": "sf-building-permits"
    },
    {
      "number": "201907105518",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-07-10",
      "status_date": "2021-03-15",
      "estimated_cost": 4500,
      "revised_cost": 4500,
      "description": "revision to pa 2018-0201-0090 & to respond to complaint 201931520 construct wood fence @ north & east property lines to abutt neighbor's 6' high fences. top of (n) fence to be even with top of adjacent fences",
      "source": "sf-building-permits"
    },
    {
      "number": "201905221432",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-05-22",
      "status_date": "2020-11-16",
      "estimated_cost": 4000,
      "revised_cost": 7000,
      "description": "installation of new sprinkler monitoring system. ref sprinkler pa 201810123012.",
      "source": "sf-building-permits"
    },
    {
      "number": "M1065447",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-04-12",
      "status_date": "2019-04-12",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M994847",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-10-18",
      "status_date": "2018-10-18",
      "revised_cost": 1,
      "description": "street space only",
      "source": "sf-building-permits"
    },
    {
      "number": "201810123012",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-10-12",
      "status_date": "2020-11-16",
      "estimated_cost": 26754,
      "revised_cost": 26754,
      "description": "install new fire sprinklers system per nfpa 13r throughout bld including 2\" dedicated fire service total sprinklers 49 ref 201504103305",
      "source": "sf-building-permits"
    },
    {
      "number": "M981787",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-09-19",
      "status_date": "2018-09-19",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M896367",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-03-05",
      "status_date": "2018-03-05",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201802010090",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-02-01",
      "status_date": "2021-03-15",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to 201504103305, basement move stairs to yard from interior to exterior, shift lite well at sideyard 2' south. 1st fl replace windows and door east wall w 16' sl door with 42\" h gaurdrail",
      "source": "sf-building-permits"
    },
    {
      "number": "M870407",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-12-26",
      "status_date": "2017-12-26",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M847427",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-10-24",
      "status_date": "2017-10-24",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201504103305",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2015-04-10",
      "status_date": "2021-03-15",
      "estimated_cost": 300000,
      "revised_cost": 1024000,
      "description": "add basement & 3rd fl to existing 2 story duplex basement to be 2 car garage & 802 s.f residence 1st,2nd,& 3rd floors to be 4 bedroom, 3 1/2 bath residence.",
      "source": "sf-building-permits"
    },
    {
      "number": "9014660",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1990-07-25",
      "status_date": "1991-02-26",
      "estimated_cost": 13000,
      "description": "install twenty-four windows",
      "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=3790",
      "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=3604026A&$order=closed_roll_year%20DESC&$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=026A",
      "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=3604026A",
      "retrieved": "2026-07-28"
    }
  ]
}