{
  "address": "19 Walter Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/walter-street/19/",
  "apn": "3538088",
  "block": "3538",
  "lot": "088",
  "eas_baseid": "358645",
  "coordinates": {
    "lat": 37.768866,
    "lng": -122.432158
  },
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 1,
    "rooms": 16,
    "bathrooms": 1,
    "lot_area_sqft": 2199,
    "building_area_sqft": 1256,
    "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 0019 WALTER              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1513310,
    "assessed_improvement_value": 852560,
    "last_sale_date": "2017-11-20"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1900",
    "survey_name": "19 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": "202402206143",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-02-20",
      "status_date": "2024-05-10",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "rev to pa# 2022-0429-3312 to infill a window inside a storage on the 1st fl. other detail no change and shall follow previous approved plan",
      "source": "sf-building-permits"
    },
    {
      "number": "202204293312",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-04-29",
      "status_date": "2024-05-10",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "revision to bpa#202010277542. 1st floor add a electrical room & a hall",
      "source": "sf-building-permits"
    },
    {
      "number": "202010277542",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-10-27",
      "status_date": "2024-05-10",
      "estimated_cost": 75000,
      "revised_cost": 285000,
      "description": "interior remodel: 1st floor - infill lightwell on south side. create interior stairase to 2nd flr. add family room, master bedroom, & one 4 fixture bathroom. 2nd flr: infill lightwell on south side. relocate the existing kitchen, dining room, living room. remodel existing 2 bedrooms.",
      "source": "sf-building-permits"
    },
    {
      "number": "9715437",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1997-08-13",
      "status_date": "1998-06-10",
      "estimated_cost": 750,
      "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=WALTER&street_type=ST&address_number=19",
      "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=3538088&$order=closed_roll_year%20DESC&$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=088",
      "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=3538088",
      "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(-122.43215789571533%2037.76886645074646)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}