{
  "address": "43–47 Guerrero Street, San Francisco, CA 94103",
  "path": "/san-francisco/mission/guerrero-street/43/",
  "apn": "3502034",
  "block": "3502",
  "lot": "034",
  "eas_baseid": "357642",
  "coordinates": {
    "lat": 37.770237,
    "lng": -122.424349
  },
  "address_range": "43–47",
  "street_numbers_on_parcel": [
    "43",
    "45",
    "47"
  ],
  "parcel": {
    "year_built": 1908,
    "units": 3,
    "stories": 4,
    "rooms": 25,
    "bathrooms": 9,
    "bedrooms": 12,
    "lot_area_sqft": 2000,
    "building_area_sqft": 6190,
    "basement_area_sqft": 1381,
    "lot_depth_ft": 80,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RM-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Mission Dolores",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0047 0043 GUERRERO            ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1797723,
    "assessed_improvement_value": 1942639,
    "last_sale_date": "2014-06-06"
  },
  "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": "1908",
    "survey_name": "43-47 Guerrero St",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Elgin Park-Pearl Street Reconstruction 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": "1906–1913",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "201908290189",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-08-29",
      "status_date": "2019-08-29",
      "estimated_cost": 11300,
      "revised_cost": 13264,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201610140380",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-10-14",
      "status_date": "2016-10-21",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "ground fl: revision to sprinkler monitoring permit #2016-0128-8265. t.i. app#2014-1009-8508 to reflect new location of facu and installation of heat detector in lieu of smoke detector",
      "source": "sf-building-permits"
    },
    {
      "number": "201610049475",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-10-04",
      "status_date": "2016-11-09",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to pa#201410098508, re-configure all 3 dwelling units interior layout, no structural will be performed.",
      "source": "sf-building-permits"
    },
    {
      "number": "M699447",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-06-21",
      "status_date": "2016-06-21",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "201604074241",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-04-07",
      "status_date": "2016-10-27",
      "estimated_cost": 40000,
      "revised_cost": 47000,
      "description": "install new fire sprinkler system per nfpa 13 icluded 2\" underground fire services. total 93 heads. ref pa #2014-1009-8508.",
      "source": "sf-building-permits"
    },
    {
      "number": "201601288265",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-01-28",
      "status_date": "2016-01-28",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "installation of a sprinkler monitoring system to pa#201410098508",
      "source": "sf-building-permits"
    },
    {
      "number": "M648347",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-12-18",
      "status_date": "2015-12-18",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M585907",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-05-11",
      "status_date": "2015-05-11",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201410098508",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-10-09",
      "status_date": "2016-11-09",
      "estimated_cost": 250000,
      "revised_cost": 250000,
      "description": "general interior remodel of all 3 dwelling units. new conditioned space at basement (excvation) and made part of one unit at 1st floor (street level): 3 bedrm, family rm, office, computuer rm,2 full baths, storage. 1st, 2nd,3rd fl add full bath.",
      "source": "sf-building-permits"
    },
    {
      "number": "201404022230",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-04-02",
      "status_date": "2014-04-02",
      "estimated_cost": 700,
      "revised_cost": 700,
      "description": "per wellington report #20131324 items 1b,1d,4a,11b dry rot repair",
      "source": "sf-building-permits"
    },
    {
      "number": "M468327",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-03-05",
      "status_date": "2014-03-05",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "9119170",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1991-10-10",
      "status_date": "1992-02-10",
      "estimated_cost": 5000,
      "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=GUERRERO&street_type=ST&address_number=43",
      "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=3502034&$order=closed_roll_year%20DESC&$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=3502&lot=034",
      "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=3502034",
      "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(-122.42434902352512%2037.77023749137054)%27)",
      "retrieved": "2026-07-31"
    },
    {
      "id": "market-octavia-context-statement",
      "name": "Page & Turnbull, Inc., Historic Context Statement: Market and Octavia Neighborhood Plan Area, San Francisco, California, endorsed by the San Francisco Landmarks Preservation Advisory Board December 19, 2007",
      "query": "https://sfplanning.s3.amazonaws.com/archives/documents/4688-M%26O_Context-LPAB121907.pdf",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Market & Octavia Historic Context Statement, adopted 2007",
      "retrieved": "2026-08-16"
    }
  ],
  "historic_survey": {
    "survey": "Market & Octavia Historic Context Statement (2007)",
    "source": "market-octavia-context-statement",
    "address_as_surveyed": "43-47 Guerrero Street",
    "note": "One of the 98 residential buildings the survey counted as still standing in its Industrial Employment Study Area from the reconstruction of 1906–1909, the first wave of rebuilding after the earthquake and fire."
  },
  "historical_record": [
    {
      "date": "1908",
      "kind": "building contract",
      "description": "Flats cited as the type example of a row of near-identical flats built all at once by a single builder.",
      "source": "market-octavia-context-statement"
    }
  ]
}