{
  "address": "4470–4472 17th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/17th-street/4470/",
  "apn": "2645020",
  "block": "2645",
  "lot": "020",
  "eas_baseid": "343125",
  "coordinates": {
    "lat": 37.762118,
    "lng": -122.444767
  },
  "address_range": "4470–4472",
  "street_numbers_on_parcel": [
    "4470",
    "4472"
  ],
  "parcel": {
    "year_built": 1971,
    "units": 3,
    "stories": 2,
    "rooms": 9,
    "bathrooms": 3,
    "lot_area_sqft": 2186,
    "building_area_sqft": 2248,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Corona Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "4472 4470 17TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1314546,
    "assessed_improvement_value": 563372,
    "last_sale_date": "2013-02-05"
  },
  "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": "1971",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202404109712",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-04-10",
      "status_date": "2025-03-21",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa# 202011209464. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "202302011169",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-02-01",
      "status_date": "2025-01-14",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "upgrade existing fire alarm system to comply with sffc 1103.7.6.1. ref adu pa# 202011209464.",
      "source": "sf-building-permits"
    },
    {
      "number": "202210043719",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-10-04",
      "status_date": "2025-01-28",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "installing new fire sprinkler system @ the 1st fl & underground services",
      "source": "sf-building-permits"
    },
    {
      "number": "202011209464",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2020-11-20",
      "status_date": "2025-03-21",
      "estimated_cost": 2000,
      "revised_cost": 75000,
      "description": "legalized existing adu on ground floor.",
      "source": "sf-building-permits"
    },
    {
      "number": "202010035848",
      "type": "additions alterations or repairs",
      "status": "withdrawn",
      "filed": "2020-10-03",
      "status_date": "2022-05-31",
      "estimated_cost": 5000,
      "description": "legalize a ground level existing inlaw unit. install 5/8\" sheetrock on garage side of wall for fire safety.",
      "source": "sf-building-permits"
    },
    {
      "number": "201211053510",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-11-05",
      "status_date": "2013-01-14",
      "estimated_cost": 1000,
      "revised_cost": 2000,
      "description": "revision to 201210111856 for existing construction for kitchen remodel",
      "source": "sf-building-permits"
    },
    {
      "number": "201210303158",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-10-30",
      "status_date": "2013-01-14",
      "estimated_cost": 8000,
      "revised_cost": 10000,
      "description": "change vanity and toilet in bathroom #1. change vanity, toilet, tub and re-tile bathroom # 2",
      "source": "sf-building-permits"
    },
    {
      "number": "201210162091",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-10-16",
      "status_date": "2013-01-14",
      "estimated_cost": 8805,
      "revised_cost": 8805,
      "description": "install 10 vinyl windows in kind into existing frames. no change in size or location. windows do face the street. if applicable, bedroom winodws will comply with section cbc 1026 for rescue. all windows will be double pane & have a u-factor of .30.",
      "source": "sf-building-permits"
    },
    {
      "number": "201210111856",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-10-11",
      "status_date": "2013-01-14",
      "estimated_cost": 12750,
      "revised_cost": 20000,
      "description": "new kitchen cabinets and countertops. opening kitchen wall. replacing in kind.",
      "source": "sf-building-permits"
    },
    {
      "number": "M348367",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-09-17",
      "status_date": "2012-09-17",
      "revised_cost": 1,
      "description": "street space permit.",
      "source": "sf-building-permits"
    },
    {
      "number": "201209149787",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-09-14",
      "status_date": "2012-12-03",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "new retaining wall and fence in rear yard",
      "source": "sf-building-permits"
    },
    {
      "number": "9616809",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1996-09-06",
      "status_date": "1997-12-15",
      "estimated_cost": 5400,
      "description": "reroofing",
      "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=17TH&street_type=ST&address_number=4470",
      "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=2645020&$order=closed_roll_year%20DESC&$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=2645&lot=020",
      "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=2645020",
      "retrieved": "2026-07-28"
    }
  ]
}