{
  "address": "1021–1023 Guerrero Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/guerrero-street/1021/",
  "apn": "3634017",
  "block": "3634",
  "lot": "017",
  "eas_baseid": "363746",
  "coordinates": {
    "lat": 37.754252,
    "lng": -122.422863
  },
  "address_range": "1021–1023",
  "street_numbers_on_parcel": [
    "1021",
    "1023"
  ],
  "parcel": {
    "year_built": 1879,
    "units": 4,
    "stories": 2,
    "rooms": 14,
    "bathrooms": 6,
    "bedrooms": 6,
    "lot_area_sqft": 1666.5,
    "building_area_sqft": 4026,
    "lot_depth_ft": 50.5,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 4 units or less",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Noe Valley",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "1023 1021 GUERRERO            ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1339752,
    "assessed_improvement_value": 841024,
    "last_sale_date": "2007-03-06"
  },
  "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": "1879",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Horner's Addition East 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": "1865–1905",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "M133165",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-09-03",
      "status_date": "2008-09-03",
      "revised_cost": 1,
      "description": "street space only",
      "source": "sf-building-permits"
    },
    {
      "number": "200802295963",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2008-02-29",
      "status_date": "2010-03-15",
      "estimated_cost": 5000,
      "revised_cost": 30000,
      "description": "scope of works per plans.1) install holdowns. 2) install plywood 1/2 cdx plywood - 1st thru 2nd flr thru 3rd flr and 3rd floor thru roof level.not seismic upgrade.",
      "source": "sf-building-permits"
    },
    {
      "number": "200801303609",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2008-01-30",
      "status_date": "2009-05-06",
      "estimated_cost": 8000,
      "revised_cost": 250000,
      "description": "relocate stair (revision to application 200707035902). interior remodeling only, no exterior change. change configuration of kitchen & bathrooms on 2nd & 3rd floors. seismic upgrade on bldg. raise center line 12\" @ roof for drainage. revisions of stairway to 3rd floor & roof.",
      "source": "sf-building-permits"
    },
    {
      "number": "M90546",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-10-12",
      "status_date": "2007-10-12",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "200707035902",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-07-03",
      "status_date": "2007-07-03",
      "estimated_cost": 120000,
      "revised_cost": 120000,
      "description": "interior remodeling on 2nd & 3rd floors. relocate kitchen on both floors. add 2nd bath to both floors. reframe stair to comply with codes. raise (e) roof rafters/ceiling joist where needed; level (e) floor.",
      "source": "sf-building-permits"
    },
    {
      "number": "200606194359",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2006-06-19",
      "status_date": "2006-06-21",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M38058",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2006-06-14",
      "status_date": "2006-06-14",
      "revised_cost": 0,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "9922404",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-10-25",
      "status_date": "1999-11-23",
      "estimated_cost": 8995,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9216193",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1992-09-21",
      "status_date": "1993-03-25",
      "estimated_cost": 11300,
      "description": "earthqk damage-constr kitch, front door & stair, shower stal",
      "source": "sf-building-permits"
    },
    {
      "number": "9009118",
      "type": "additions alterations or repairs",
      "status": "disapproved",
      "filed": "1990-05-11",
      "status_date": "1999-12-28",
      "estimated_cost": 80000,
      "description": "work at st level within (e) structure/replace defective",
      "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=1021",
      "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=3634017&$order=closed_roll_year%20DESC&$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=3634&lot=017",
      "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=3634017",
      "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(-122.42286322361011%2037.7542516375453)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}