{
  "address": "31 Liberty Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/liberty-street/31/",
  "apn": "3608100",
  "block": "3608",
  "lot": "100",
  "eas_baseid": "472838",
  "coordinates": {
    "lat": 37.757409,
    "lng": -122.421996
  },
  "parcel": {
    "year_built": 1902,
    "rooms": 6,
    "bathrooms": 2,
    "bedrooms": 2,
    "building_area_sqft": 1664,
    "use": "Single Family Residential",
    "property_class": "Condominium",
    "construction_type_code": "NA",
    "supervisor_district": 9,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 0031 LIBERTY             ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1438200,
    "assessed_improvement_value": 958800,
    "last_sale_date": "2024-03-01"
  },
  "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": "1902",
    "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": "202310279674",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-10-27",
      "status_date": "2024-01-30",
      "estimated_cost": 22000,
      "revised_cost": 22000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201803284801",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2018-03-28",
      "status_date": "2022-01-26",
      "estimated_cost": 125000,
      "revised_cost": 125000,
      "description": "new half bath in basement storage area. remove (e) deck, add new deck off of rear facade",
      "source": "sf-building-permits"
    },
    {
      "number": "200409235019",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-09-23",
      "status_date": "2005-02-16",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "replace siding on back of house due to dry rot.",
      "source": "sf-building-permits"
    },
    {
      "number": "200409154170",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-09-15",
      "status_date": "2005-04-07",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "kitchen renovation and convert pantry to 3/4 bathroom no walls removed (non structural)",
      "source": "sf-building-permits"
    },
    {
      "number": "200405275013",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-05-27",
      "status_date": "2005-04-01",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "kitchen renoation and convert pantry to 1/2 bath on one unit",
      "source": "sf-building-permits"
    },
    {
      "number": "200404292656",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2004-04-29",
      "status_date": "2004-07-01",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "install smoke detector repair lath and plaster in garage area, change dead bolts, physical inspecti0",
      "source": "sf-building-permits"
    },
    {
      "number": "200012117697",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-12-11",
      "status_date": "2001-01-23",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "repair existing 14'x16' deck, repair dryrot at rails, joists, & decking less than 50% of system.",
      "source": "sf-building-permits"
    },
    {
      "number": "9917440",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-08-23",
      "status_date": "1999-12-21",
      "estimated_cost": 9000,
      "description": "replace in kind front entrance staircase",
      "source": "sf-building-permits"
    },
    {
      "number": "9507688",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-05-23",
      "status_date": "1996-04-05",
      "estimated_cost": 8900,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9221217",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1992-12-08",
      "status_date": "1993-07-12",
      "estimated_cost": 7200,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8906491",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1989-04-19",
      "status_date": "1991-05-01",
      "estimated_cost": 10000,
      "description": "termite repair per report #8-8034.",
      "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=LIBERTY&street_type=ST&address_number=31",
      "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=3608100&$order=closed_roll_year%20DESC&$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=3608&lot=100",
      "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=3608100",
      "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(-122.42199562680875%2037.75740942623981)%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": "1892",
      "kind": "construction",
      "description": "House (now 2 flats) designed by the architect Julius Krafft, also the designer of St. Paulus Church.",
      "source": "nrhp-83001230"
    }
  ],
  "building": {
    "architect": "Julius Krafft",
    "completed_conflict": "This address is recorded as built 1892; the assessor's roll gives a later year, a placeholder this dataset uses for many undated older buildings rather than a demolition date."
  }
}