{
  "address": "457–461 Guerrero Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/guerrero-street/457/",
  "apn": "3568046",
  "block": "3568",
  "lot": "046",
  "eas_baseid": "360037",
  "coordinates": {
    "lat": 37.763788,
    "lng": -122.423673
  },
  "address_range": "457–461",
  "street_numbers_on_parcel": [
    "457",
    "459",
    "461"
  ],
  "parcel": {
    "year_built": 1907,
    "units": 3,
    "stories": 3,
    "rooms": 21,
    "bathrooms": 3,
    "lot_area_sqft": 2752,
    "building_area_sqft": 6045,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RM-2",
    "supervisor_district": 9,
    "assessor_neighborhood": "Mission Dolores",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0461 0457 GUERRERO            ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 41214,
    "assessed_improvement_value": 73341
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "National Register Historic District, California Register Historic District, Historic Survey Result",
    "yearbuilt": "1907",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "16th and Valencia Streets Post-Fire Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Eligible (not listed)",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "1906–1926",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "202603278429",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2026-03-27",
      "status_date": "2026-07-16",
      "estimated_cost": 5000,
      "revised_cost": 10570,
      "description": "convert 618 sq ft first floor storage (unconditioned) space to conditioned living room space",
      "source": "sf-building-permits"
    },
    {
      "number": "202601264529",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2026-01-26",
      "status_date": "2026-03-27",
      "estimated_cost": 12500,
      "revised_cost": 12500,
      "description": "replace 15 windows in kind with vinyle frames, dual pane windows. egress where required. not street facing. uf less then or equal .27",
      "source": "sf-building-permits"
    },
    {
      "number": "202601264528",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2026-01-26",
      "status_date": "2026-03-27",
      "estimated_cost": 13000,
      "revised_cost": 13000,
      "description": "replace 16 windows in kind with vinyle frames, dual pane windows. egress where required. not street facing. uf less then or equal .27",
      "source": "sf-building-permits"
    },
    {
      "number": "202512222428",
      "type": "otc alterations permit",
      "status": "filed",
      "filed": "2025-12-22",
      "status_date": "2025-12-22",
      "estimated_cost": 75000,
      "revised_cost": 0,
      "description": "one unit/ground flr) proposing 140 sqft deck in rear side of bdlg.(20x7 sqft). proposing stairs from deck to rear side (93.8 sqft). converting basement storage (unconditioned) into finished basement space (conditioned) 618.4 sqft. proposing patio door to the deck from the lining add bedroom.",
      "source": "sf-building-permits"
    },
    {
      "number": "202509185599",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2025-09-18",
      "status_date": "2025-09-18",
      "estimated_cost": 60000,
      "revised_cost": 100000,
      "description": "remodel partitions walls, remodel closet add bathroom",
      "source": "sf-building-permits"
    },
    {
      "number": "202509054674",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2025-09-05",
      "status_date": "2025-09-05",
      "estimated_cost": 65000,
      "revised_cost": 178671,
      "description": "*one unit/ in kind kitchen and bath remodel. kitchen approx. 143 sq ft. bath approx 88 sq ft. repair sheetrock in corridor approx 60 sq ft. *one unit/ in kind kitchen and bath remodel. kitchen approx 143 sq ft. bath approx 88 sq ft. reapair sheetrock in corridor approx 60 sq ft.",
      "source": "sf-building-permits"
    },
    {
      "number": "202509054676",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2025-09-05",
      "status_date": "2025-09-05",
      "estimated_cost": 50000,
      "revised_cost": 89336,
      "description": "*one unit/ in kind kitchen and bath remodel",
      "source": "sf-building-permits"
    },
    {
      "number": "M335208",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-07-16",
      "status_date": "2012-07-16",
      "revised_cost": 1,
      "description": "street space",
      "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=GUERRERO&street_type=ST&address_number=457",
      "retrieved": "2026-07-31"
    },
    {
      "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=3568046&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3568&lot=046",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3568046",
      "retrieved": "2026-07-31"
    },
    {
      "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(-122.42367297248073%2037.76378822359429)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}