{
  "address": "9 Walter Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/walter-street/9/",
  "apn": "3538090",
  "block": "3538",
  "lot": "090",
  "eas_baseid": "358647",
  "coordinates": {
    "lat": 37.768998,
    "lng": -122.432206
  },
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 1,
    "rooms": 5,
    "bathrooms": 1,
    "lot_area_sqft": 1772,
    "building_area_sqft": 1056,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Duboce Triangle",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 0009 WALTER              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1949969,
    "assessed_improvement_value": 835701,
    "last_sale_date": "2022-05-11"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District, Historic Survey Result",
    "yearbuilt": "1900",
    "survey_name": "9 Walter St",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Duboce Triangle Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "ca 1870–ca 1920",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "202501158343",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-01-15",
      "status_date": "2025-04-17",
      "estimated_cost": 14000,
      "revised_cost": 25000,
      "description": "kitchen remodel. drywall replacement. new water line from existing sink plumbing to new faucet over the stove only. new cabinets. new electrical.",
      "source": "sf-building-permits"
    },
    {
      "number": "201610190703",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-10-19",
      "status_date": "2016-10-19",
      "estimated_cost": 5694,
      "revised_cost": 5694,
      "description": "replace (1) fibrex door, not visible, no size change, u-factor < 0.32",
      "source": "sf-building-permits"
    },
    {
      "number": "201407030515",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-07-03",
      "status_date": "2014-07-24",
      "estimated_cost": 6561,
      "revised_cost": 7000,
      "description": "replace 3 windows like for like with andersen wood clad ,none street visible, u factor less than .40, bedrooms to comply with egress.",
      "source": "sf-building-permits"
    },
    {
      "number": "9520188",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-11-29",
      "status_date": "1995-12-08",
      "estimated_cost": 2100,
      "description": "termite repair",
      "source": "sf-building-permits"
    },
    {
      "number": "8713150",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1987-09-11",
      "status_date": "1989-05-16",
      "estimated_cost": 30000,
      "description": "remodel & update exist residence, 2nd floor addition",
      "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=WALTER&street_type=ST&address_number=9",
      "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=3538090&$order=closed_roll_year%20DESC&$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=3538&lot=090",
      "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=3538090",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.43220602507733%2037.76899826756168)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}