{
  "address": "520–522 Sanchez Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/sanchez-street/520/",
  "apn": "3584005",
  "block": "3584",
  "lot": "005",
  "eas_baseid": "360833",
  "coordinates": {
    "lat": 37.760736,
    "lng": -122.430859
  },
  "address_range": "520–522",
  "street_numbers_on_parcel": [
    "520",
    "522"
  ],
  "parcel": {
    "year_built": 1905,
    "units": 2,
    "stories": 2,
    "rooms": 8,
    "bathrooms": 2,
    "bedrooms": 3,
    "lot_area_sqft": 2622,
    "building_area_sqft": 1575,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "NA",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0522 0520 SANCHEZ             ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 919713,
    "assessed_improvement_value": 229928,
    "last_sale_date": "2022-11-03"
  },
  "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": "1905",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202510086977",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-10-08",
      "status_date": "2026-02-11",
      "estimated_cost": 9000,
      "revised_cost": 9000,
      "description": "replace 2 front window in kind and widen exist. 30\" to 36\" entry door. lower level.",
      "source": "sf-building-permits"
    },
    {
      "number": "202304034966",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-04-03",
      "status_date": "2023-09-06",
      "estimated_cost": 24800,
      "revised_cost": 24800,
      "description": "reroofing: tear off existing shingle roof, install new compositioin shingle roof",
      "source": "sf-building-permits"
    },
    {
      "number": "202302242552",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-02-24",
      "status_date": "2023-06-07",
      "estimated_cost": 5900,
      "revised_cost": 5900,
      "description": "replace: (4) windows: (2) are street visible/ front of the house- wood double hung with matching grids. (2) back of house (n) fiberglass: like for like: same size and ocation- retro fit insatallation u-factor not to exceed 0.30",
      "source": "sf-building-permits"
    },
    {
      "number": "202301200494",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-01-20",
      "status_date": "2023-06-14",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "repair siding on rear of building due to dry rot. approx. 200 sq of siding",
      "source": "sf-building-permits"
    },
    {
      "number": "200812017512",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-12-01",
      "status_date": "2009-05-28",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "to comply with his nov# 200870293, dated 10/21/08. install fire grade 5/8 inch type \"x\" drywall on garage ceiling. will be fire rated.",
      "source": "sf-building-permits"
    },
    {
      "number": "200808290450",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-08-29",
      "status_date": "2008-09-26",
      "estimated_cost": 1200,
      "revised_cost": 1200,
      "description": "replace patio door for complaint date sheet#200870293. dated 08/25/08. existing 60\" width, reduced to 36\" door, and fill with siding to match existing work. not visible from street.",
      "source": "sf-building-permits"
    },
    {
      "number": "200808128982",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-08-12",
      "status_date": "2008-08-29",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "property had sewage spill, had to demo drywall due to contaminatin inspector stopped by and required a permit to be pulled. replacement of sheetrock approx 30 s.f. on ground floor. nov 200702701-his, nov 200865493-bid.",
      "source": "sf-building-permits"
    },
    {
      "number": "M127545",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-07-24",
      "status_date": "2008-07-24",
      "revised_cost": 1,
      "description": "street space & sidewalk",
      "source": "sf-building-permits"
    },
    {
      "number": "200706285429",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-06-28",
      "status_date": "2008-07-17",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "remove illegal kitchen & bath @ garage level. convert to storage. comply with his no. 200703622 dated 5/25/2007",
      "source": "sf-building-permits"
    },
    {
      "number": "9610624",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1996-06-14",
      "status_date": "1996-10-14",
      "estimated_cost": 3000,
      "description": "repair stairs & wooden deck at backyard,repl dry rot dmged",
      "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=SANCHEZ&street_type=ST&address_number=520",
      "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=3584005&$order=closed_roll_year%20DESC&$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=3584&lot=005",
      "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=3584005",
      "retrieved": "2026-07-28"
    }
  ]
}