{
  "address": "850 Guerrero Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/guerrero-street/850/",
  "apn": "3607089",
  "block": "3607",
  "lot": "089",
  "eas_baseid": "473302",
  "coordinates": {
    "lat": 37.757433,
    "lng": -122.423701
  },
  "parcel": {
    "year_built": 1907,
    "rooms": 5,
    "bathrooms": 1,
    "building_area_sqft": 1267,
    "use": "Single Family Residential",
    "property_class": "Condominium",
    "construction_type_code": "NA",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 0850 GUERRERO            ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 711142,
    "assessed_improvement_value": 711142,
    "last_sale_date": "2013-05-08"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A*",
    "ceqa_status_label": "Historic resource",
    "reason": "Article 10 Historic District, National Register Historic District, California Register Historic District, Historic Survey Result",
    "yearbuilt": "1907",
    "in_article_10_11_historic_district": true,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Liberty Hill Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "Article 10 historic district",
    "local_landmark_protection": true,
    "period_of_significance": "1860s\u20131906",
    "source": "sf-historic-districts"
  },
  "also_in_districts": [
    {
      "name": "Liberty Street Historic District",
      "california_register_status": "Listed",
      "national_register_status": "Listed",
      "article_10_11_status": "No local landmark protection",
      "local_landmark_protection": false,
      "period_of_significance": "1867\u20131911",
      "source": "sf-historic-districts"
    }
  ],
  "permits": [
    {
      "number": "202402125705",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-02-12",
      "status_date": "2024-04-03",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "voluntary strengthening in the crawlspace area. add plywood shear walls w/foundation anchorage. no external work.",
      "source": "sf-building-permits"
    },
    {
      "number": "202104299533",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-04-29",
      "status_date": "2021-10-15",
      "estimated_cost": 93000,
      "revised_cost": 93000,
      "description": "remodel water closet with toilet staying at same location, add secondary heated flooring unit (electric) remodel bathroom in kind (all fixtures keep same location) add heated floorning unit (elec) secondary",
      "source": "sf-building-permits"
    },
    {
      "number": "200412010385",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2004-12-01",
      "status_date": "2005-06-22",
      "estimated_cost": 100,
      "revised_cost": 2000,
      "description": "work for 3r-report#3r-3918-exclusive of deck repair (permit#200404302771) 07.2 sfbc",
      "source": "sf-building-permits"
    },
    {
      "number": "200303149722",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-03-14",
      "status_date": "2003-10-31",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "kitchen remodel in kind.",
      "source": "sf-building-permits"
    },
    {
      "number": "200208123776",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2002-08-12",
      "status_date": "2002-08-12",
      "estimated_cost": 12880,
      "revised_cost": 12880,
      "description": "reroofing",
      "source": "sf-building-permits"
    }
  ],
  "permit_summary": {
    "count_on_file": 7,
    "range": "2002\u20132024",
    "shown_on_page": 5,
    "note": "2 nominal $1 street-space or sidewalk permits are omitted from the timeline."
  },
  "sources": [
    {
      "id": "sf-eas-addresses",
      "name": "SF Enterprise Addressing System via DataSF",
      "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=GUERRERO&street_type=ST&address_number=850",
      "retrieved": "2026-09-15"
    },
    {
      "id": "sf-assessor-roll",
      "name": "SF Office of the Assessor-Recorder via DataSF (2025 secured roll)",
      "query": "https://data.sfgov.org/resource/wv5m-vpq2.json?parcel_number=3607089&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-09-15"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3607&lot=089",
      "retrieved": "2026-09-15"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department \u2014 Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3607089",
      "retrieved": "2026-09-15"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department \u2014 Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.42370099387811%2037.757432566070506)%27)",
      "retrieved": "2026-09-15"
    },
    {
      "id": "nrhp-83001230",
      "name": "National Register of Historic Places nomination, Liberty Street Historic District (reference number 83001230), National Park Service.",
      "query": "https://npgallery.nps.gov/NRHP/GetAsset/NRHP/83001230_text",
      "label": "National Register of Historic Places nomination, National Park Service",
      "retrieved": "2026-09-15"
    }
  ],
  "historical_record": [
    {
      "date": "1902",
      "kind": "construction",
      "description": "A pre-existing residence altered into flats by the architect Charles J. Rousseau.",
      "source": "nrhp-83001230"
    }
  ],
  "building": {
    "architect": "Charles J. Rousseau",
    "completed_conflict": "This address is recorded as built 1902; the assessor's roll gives a later year, a placeholder this dataset uses for many undated older buildings rather than a demolition date."
  }
}