{
  "address": "27 Walter Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/walter-street/27/",
  "apn": "3538086",
  "block": "3538",
  "lot": "086",
  "eas_baseid": "358644",
  "coordinates": {
    "lat": 37.768738,
    "lng": -122.432138
  },
  "parcel": {
    "year_built": 1885,
    "units": 1,
    "stories": 1,
    "rooms": 5,
    "bathrooms": 1,
    "lot_area_sqft": 2410,
    "building_area_sqft": 1080,
    "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 0027 WALTER              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1416266,
    "assessed_improvement_value": 606970,
    "last_sale_date": "2019-08-07"
  },
  "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": "1885",
    "survey_name": "27 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": "201910215079",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-10-21",
      "status_date": "2019-12-09",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "basement unit, remodel 1 kitchen & 1 bathroom. cabinets, tiling, new fan. no wall removal.",
      "source": "sf-building-permits"
    },
    {
      "number": "M150106",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-02-05",
      "status_date": "2009-02-05",
      "revised_cost": 1,
      "description": "street space & sidewalk permit only.",
      "source": "sf-building-permits"
    },
    {
      "number": "200503016513",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-03-01",
      "status_date": "2005-03-04",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "for final inspection only",
      "source": "sf-building-permits"
    },
    {
      "number": "200406106105",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-06-10",
      "status_date": "2004-06-10",
      "estimated_cost": 8000,
      "revised_cost": 8000,
      "description": "bathroom remodel @ 27 walter enlarge and replace existing window",
      "source": "sf-building-permits"
    },
    {
      "number": "200105179430",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-05-17",
      "status_date": "2001-07-06",
      "estimated_cost": 9875,
      "revised_cost": 9875,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9719850",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1997-10-06",
      "status_date": "1997-10-28",
      "estimated_cost": 250,
      "description": "repair front entry stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "9708262",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1997-05-07",
      "status_date": "2001-06-05",
      "estimated_cost": 360,
      "description": "install 1 replacement window bedroom not visible",
      "source": "sf-building-permits"
    },
    {
      "number": "9609479",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1996-05-30",
      "status_date": "1996-09-10",
      "estimated_cost": 16500,
      "description": "bolt frame to foundation. repl kitch cabs, bathrm fixtures.",
      "source": "sf-building-permits"
    },
    {
      "number": "9500858",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1995-01-20",
      "status_date": "1995-08-01",
      "estimated_cost": 2000,
      "description": "remodeling of bathrm,adding area onto (e)bathrm",
      "source": "sf-building-permits"
    },
    {
      "number": "8913103",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-07-25",
      "status_date": "1990-10-30",
      "estimated_cost": 3500,
      "description": "horizontal addition",
      "source": "sf-building-permits"
    },
    {
      "number": "8910243",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1989-06-13",
      "status_date": "1989-10-06",
      "estimated_cost": 3900,
      "description": "repair back stairs, ground level wooden deck for garden unit",
      "source": "sf-building-permits"
    },
    {
      "number": "8710542",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1987-07-27",
      "status_date": "1988-10-13",
      "estimated_cost": 30000,
      "description": "horizontal extension, room addition",
      "source": "sf-building-permits"
    },
    {
      "number": "8603924",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1986-04-07",
      "status_date": "1986-08-28",
      "estimated_cost": 7000,
      "description": "solar for dhw",
      "source": "sf-building-permits"
    },
    {
      "number": "8600254",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1986-01-08",
      "status_date": "1986-02-19",
      "estimated_cost": 1000,
      "description": "rebuild/repair front stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "8400444",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-01-12",
      "status_date": "1986-02-25",
      "estimated_cost": 5000,
      "description": "we desire aproval of already built .",
      "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=27",
      "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=3538086&$order=closed_roll_year%20DESC&$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=086",
      "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=3538086",
      "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(-122.43213768589676%2037.76873796667412)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}