{
  "address": "4510 18th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/18th-street/4510/",
  "apn": "2651017",
  "block": "2651",
  "lot": "017",
  "eas_baseid": "343341",
  "coordinates": {
    "lat": 37.760817,
    "lng": -122.439584
  },
  "parcel": {
    "year_built": 1905,
    "units": 1,
    "stories": 2,
    "rooms": 7,
    "bathrooms": 1,
    "lot_area_sqft": 1868,
    "building_area_sqft": 1656,
    "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 4510 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 335929,
    "assessed_improvement_value": 272937,
    "last_sale_date": "1994-12-28"
  },
  "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": "200904216724",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-04-21",
      "status_date": "2009-04-28",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "voluntary strengthening. add plywood to perimiter basement/garage cripple walls. bolts installed in 1995. 10d common #nails @ 4\"oc on edges & 12\" in the field. 1/2 struc. #1 plywood installed on the interior only.",
      "source": "sf-building-permits"
    },
    {
      "number": "200011034790",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-11-03",
      "status_date": "2001-02-22",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "remove existing alum siding, installwood trims & cobbles same to original",
      "source": "sf-building-permits"
    },
    {
      "number": "9500666",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-01-18",
      "status_date": "1995-01-27",
      "estimated_cost": 3700,
      "description": "termite work/bolt exist foundation w/5/8\"x10\" wedge anchor",
      "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=18TH&street_type=ST&address_number=4510",
      "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=2651017&$order=closed_roll_year%20DESC&$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=2651&lot=017",
      "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=2651017",
      "retrieved": "2026-07-28"
    }
  ]
}