{
  "address": "3344–3348 18th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/18th-street/3344/",
  "apn": "3575023",
  "block": "3575",
  "lot": "023",
  "eas_baseid": "360257",
  "coordinates": {
    "lat": 37.762135,
    "lng": -122.418146
  },
  "address_range": "3344–3348",
  "street_numbers_on_parcel": [
    "3344",
    "3346",
    "3348"
  ],
  "parcel": {
    "year_built": 1911,
    "units": 4,
    "stories": 2,
    "rooms": 17,
    "bathrooms": 3,
    "lot_area_sqft": 2500,
    "building_area_sqft": 4260,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "CM",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3348 3344 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 134361,
    "assessed_improvement_value": 277137,
    "last_sale_date": "1995-05-01"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1911",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "201108182800",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-08-18",
      "status_date": "2011-08-18",
      "estimated_cost": 7500,
      "revised_cost": 7500,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M32655",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2005-05-26",
      "status_date": "2005-05-26",
      "revised_cost": 0,
      "description": "streetspace",
      "source": "sf-building-permits"
    },
    {
      "number": "9922130",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-10-19",
      "status_date": "2000-01-25",
      "estimated_cost": 1500,
      "description": "repair rear stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "9701516",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1997-01-27",
      "status_date": "1997-04-28",
      "estimated_cost": 1,
      "description": "renew 9618030 and 9614090",
      "source": "sf-building-permits"
    },
    {
      "number": "9701028",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1997-01-17",
      "status_date": "1997-08-27",
      "estimated_cost": 1200,
      "description": "install new kitchen cabinets in kitchen,minor dryrot repair",
      "source": "sf-building-permits"
    },
    {
      "number": "9618030",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1996-09-23",
      "status_date": "1997-04-04",
      "estimated_cost": 200,
      "description": "new water heater storage room in (e) tenant space",
      "source": "sf-building-permits"
    },
    {
      "number": "9614090",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1996-08-01",
      "status_date": "1997-04-04",
      "estimated_cost": 5000,
      "description": "interior remodel",
      "source": "sf-building-permits"
    },
    {
      "number": "8407838",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-07-19",
      "status_date": "1986-03-04",
      "estimated_cost": 200,
      "description": "to bring building into full compliance with provisions",
      "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=18TH&street_type=ST&address_number=3344",
      "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=3575023&$order=closed_roll_year%20DESC&$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=3575&lot=023",
      "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=3575023",
      "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 (3344-3348 18th 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. Contributor to the Inner Mission Commercial Corridor locally significant area (3344-3348 18th St). Formerly called the 16th Street Commercial Corridor. Criterion C: San Francisco's largest concentration of residential-over-commercial and small-scale commercial buildings, spanning both pre-1906 and post-disaster construction, dated c. 1870s–1931."
  }
}