{
  "address": "18–20 Adair Street, San Francisco, CA 94103",
  "path": "/san-francisco/mission/adair-street/18/",
  "apn": "3553037",
  "block": "3553",
  "lot": "037",
  "eas_baseid": "359272",
  "coordinates": {
    "lat": 37.765877,
    "lng": -122.417993
  },
  "address_range": "18–20",
  "street_numbers_on_parcel": [
    "18",
    "20"
  ],
  "parcel": {
    "year_built": 1908,
    "units": 2,
    "stories": 2,
    "rooms": 9,
    "bathrooms": 2,
    "bedrooms": 3,
    "lot_area_sqft": 1498,
    "building_area_sqft": 2900,
    "use": "Multi-Family Residential",
    "property_class": "TIC Bldg 4 units or less",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0020 0018 ADAIR               ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 977659,
    "assessed_improvement_value": 842836,
    "last_sale_date": "2005-04-15"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1908",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201808288569",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-08-28",
      "status_date": "2018-08-30",
      "estimated_cost": 16500,
      "revised_cost": 16500,
      "description": "revision to pa 2018-0807-6591, replace (e) windows in bathroom with windows of the same size in the same location. (n) skylight in hallway",
      "source": "sf-building-permits"
    },
    {
      "number": "201808076591",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-08-07",
      "status_date": "2019-04-02",
      "estimated_cost": 61910,
      "revised_cost": 61910,
      "description": "remodel existing kitchen & bathroom, partial interior remodel including (n) bathroom fixtures, appliances, services and finishes and (n) kitchen case work, fixtures, appliances, services & finishes, replace windows at rear",
      "source": "sf-building-permits"
    },
    {
      "number": "201609278936",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-09-27",
      "status_date": "2016-09-27",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to comply with physical inspection report # cc-7851",
      "source": "sf-building-permits"
    },
    {
      "number": "201608195470",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-08-19",
      "status_date": "2017-07-27",
      "estimated_cost": 14275,
      "revised_cost": 14275,
      "description": "reroofing.",
      "source": "sf-building-permits"
    },
    {
      "number": "201406047430",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-06-04",
      "status_date": "2015-01-06",
      "estimated_cost": 27500,
      "revised_cost": 34580,
      "description": "remodel bathroom in-kind except replace tub with shower stall. replace sink, counter, tile floor, medicine cabinet. no movement of walls or door. remodel kitchen, replace in-kind floors, cabinets, sink, light. replace sub floor in laundry room w/ redwood & 3/4\" plywood.",
      "source": "sf-building-permits"
    },
    {
      "number": "201405307133",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-05-30",
      "status_date": "2015-04-03",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa 200308283334; all work is complete",
      "source": "sf-building-permits"
    },
    {
      "number": "201405296967",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-05-29",
      "status_date": "2015-04-03",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "to comply with nov #200342373. no work visible to street. replacement of windows (wood single hung) single glaze with vinyl double glaze single hung-bedroom/bath & upstairs dining room. in basement replace 2 48\" section of 2\"x8\" beam damged by dryrot over the water heaters. final inspection of back",
      "source": "sf-building-permits"
    },
    {
      "number": "200403168717",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2004-03-16",
      "status_date": "2005-03-07",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to renw pa#2003/08/28/3334 for final insp.",
      "source": "sf-building-permits"
    },
    {
      "number": "200308283334",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2003-08-28",
      "status_date": "2004-06-23",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "repair & replace rear stairs and landing to comply w/ n.o.v. complaint #200342373",
      "source": "sf-building-permits"
    },
    {
      "number": "9617647",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1996-09-17",
      "status_date": "1997-05-16",
      "estimated_cost": 35000,
      "description": "remvoe and replace walls and ceilings in 2 bedrms & hallway",
      "source": "sf-building-permits"
    },
    {
      "number": "8902829",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1989-02-21",
      "status_date": "1989-02-28",
      "estimated_cost": 5100,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8202310",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1982-03-26",
      "status_date": "1983-04-01",
      "estimated_cost": 680,
      "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=ADAIR&street_type=ST&address_number=18",
      "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=3553037&$order=closed_roll_year%20DESC&$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=3553&lot=037",
      "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=3553037",
      "retrieved": "2026-07-31"
    },
    {
      "id": "inner-mission-north-context-statement",
      "name": "San Francisco Planning Department, Inner Mission North 1853-1943 Context Statement, dated on its cover 2005, adopted 2004",
      "query": "https://citypln-m-extnl.sfgov.org/SharedLinks.aspx?accesskey=ef5726f8f01317048294fa4befc3151c63c7d0f43ec4a26cbf5c21877a313274&VaultGUID=A4A7DACD-B0DC-4322-BD29-F6F07103C6E0",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Inner Mission North Context Statement, adopted 2004",
      "retrieved": "2026-08-15"
    }
  ],
  "historic_survey": {
    "survey": "Inner Mission North Context Statement, adopted 2004",
    "source": "inner-mission-north-context-statement",
    "note": "Contributor to the Mission Reconstruction District locally significant area (18-20 Adair St). Criterion C: the survey's proposed district for the northern Mission's rebuilding after the 1906 earthquake and fire, period of significance May 1906–1913, predominantly Classical Revival, Edwardian and Mission Revival in wood frame construction."
  }
}