{
  "address": "4030 21st Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/21st-street/4030/",
  "apn": "2751007A",
  "block": "2751",
  "lot": "007A",
  "eas_baseid": "345498",
  "coordinates": {
    "lat": 37.756237,
    "lng": -122.43624
  },
  "parcel": {
    "year_built": 1939,
    "units": 1,
    "stories": 1,
    "rooms": 5,
    "bathrooms": 1,
    "lot_area_sqft": 3795,
    "building_area_sqft": 1267,
    "lot_depth_ft": 15,
    "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": "Castro/Upper Market",
    "property_location_raw": "0000 4030 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1133454,
    "assessed_improvement_value": 755634,
    "last_sale_date": "2007-02-08"
  },
  "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": "1939",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202410112798",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2024-10-11",
      "status_date": "2024-10-16",
      "estimated_cost": 50000,
      "revised_cost": 58000,
      "description": "repair fences & gates; provide in floor radiant heating at lower level & bathroom; adding entry hall skylight. this work is separate from pa # 2024-0524-2966",
      "source": "sf-building-permits"
    },
    {
      "number": "202405242966",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "2024-08-19",
      "status_date": "2024-12-24",
      "estimated_cost": 300000,
      "revised_cost": 300000,
      "description": "remodeling an (e) split-level home to enclose an (e) property line lightwell and adding a bathroom, adding skylights, remodeling (e) kitchen and bath; replacing some (e) doors and windows, revising closets and handrail.",
      "source": "sf-building-permits"
    },
    {
      "number": "202008111535",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-08-11",
      "status_date": "2020-10-15",
      "estimated_cost": 15236,
      "revised_cost": 15236,
      "description": "remove existing roof. install new asphalt composition shingles at sloped roof.",
      "source": "sf-building-permits"
    },
    {
      "number": "200201308047",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2002-01-30",
      "status_date": "2002-03-01",
      "estimated_cost": 2918,
      "revised_cost": 2918,
      "description": "6 windows to be replace size for size. front of house.",
      "source": "sf-building-permits"
    },
    {
      "number": "9512919",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-08-15",
      "status_date": "1995-10-18",
      "estimated_cost": 1200,
      "description": "repl fixed window w/french dbl pane and finish.",
      "source": "sf-building-permits"
    },
    {
      "number": "9510898",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-07-14",
      "status_date": "1995-10-18",
      "estimated_cost": 4800,
      "description": "reroof",
      "source": "sf-building-permits"
    },
    {
      "number": "8808237",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1988-06-22",
      "status_date": "1993-01-25",
      "estimated_cost": 40000,
      "description": "construct & frame, new bedrm, living rm, bath & closet",
      "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=4030",
      "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=2751007A&$order=closed_roll_year%20DESC&$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=2751&lot=007A",
      "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=2751007A",
      "retrieved": "2026-07-28"
    },
    {
      "id": "eureka-valley-context-statement",
      "name": "Elaine B. Stiles, Eureka Valley Historic Context Statement, prepared for the Eureka Valley Neighborhood Association, adopted by the Historic Preservation Commission December 20, 2017",
      "query": "http://default.sfplanning.org/Preservation/EurekaValleyHCS/hp_eureka_valley_hcs_HCS_FINAL-122017.pdf",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Eureka Valley Historic Context Statement, adopted 2017",
      "retrieved": "2026-08-14"
    }
  ],
  "historic_survey": {
    "survey": "Eureka Valley Historic Context Statement (2017)",
    "source": "eureka-valley-context-statement",
    "note": "Illustrated in the statement's survey of Eureka Valley property types and architectural styles. The statement is reconnaissance-level and says inclusion in it is not a judgement on a building's worthiness for preservation. It records it as a split-level house, altered ca. 1960."
  }
}