{
  "address": "3341–3347 18th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/18th-street/3341/",
  "apn": "3590065",
  "block": "3590",
  "lot": "065",
  "eas_baseid": "361322",
  "coordinates": {
    "lat": 37.76178,
    "lng": -122.418017
  },
  "address_range": "3341–3347",
  "street_numbers_on_parcel": [
    "3341",
    "3343",
    "3345",
    "3347"
  ],
  "parcel": {
    "year_built": 1907,
    "units": 10,
    "stories": 3,
    "rooms": 29,
    "bathrooms": 10,
    "bedrooms": 9,
    "lot_area_sqft": 2796,
    "building_area_sqft": 8304,
    "basement_area_sqft": 5448,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3347 3341 18TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2049746,
    "assessed_improvement_value": 1373451,
    "last_sale_date": "2014-10-31"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1907",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202602115766",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2026-02-11",
      "status_date": "2026-03-06",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "as builts for pa #2026-0115-3904",
      "source": "sf-building-permits"
    },
    {
      "number": "202601153904",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2026-01-15",
      "status_date": "2026-03-06",
      "estimated_cost": 15000,
      "revised_cost": 35549,
      "description": "upgrade (e) fire alarm system, installation of new facp, wireless communication, monitor modules, detectors and notification devices to comply with sffc 1103.7.6.1",
      "source": "sf-building-permits"
    },
    {
      "number": "201708225598",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-08-22",
      "status_date": "2017-08-23",
      "estimated_cost": 4800,
      "revised_cost": 5000,
      "description": "upgrade fire suppression system for an (e) 9' hood & duct for ul 300 compliances. n/a ordinance #155-13",
      "source": "sf-building-permits"
    },
    {
      "number": "201708094328",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-08-09",
      "status_date": "2017-08-09",
      "estimated_cost": 25000,
      "revised_cost": 28000,
      "description": "upgrade fire alarm system, ref 201705176835",
      "source": "sf-building-permits"
    },
    {
      "number": "201708084188",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-08-08",
      "status_date": "2017-09-05",
      "estimated_cost": 75000,
      "revised_cost": 75000,
      "description": "replace electrical in restaurant and laundrymat. ref. to app#201705176835",
      "source": "sf-building-permits"
    },
    {
      "number": "201707051038",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-07-05",
      "status_date": "2017-09-01",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "revision to 201705176835. reswing door in basement stairwell from lobby, reconfigure storefront entry into laundromat, remove doors in front of electrical closet",
      "source": "sf-building-permits"
    },
    {
      "number": "M797687",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-06-15",
      "status_date": "2017-06-15",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201705176835",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-05-17",
      "status_date": "2017-09-01",
      "estimated_cost": 20000,
      "revised_cost": 237600,
      "description": "new trash room enclosure, new stair from residential lobby to basement, new stair from restaurant to basement, new ada toilet at laundry mat.",
      "source": "sf-building-permits"
    },
    {
      "number": "201704043076",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-04-04",
      "status_date": "2017-04-07",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "replace 200 sq. ft. of corrugated in-kind over stairs to comply with nov. #201568902, item #2",
      "source": "sf-building-permits"
    },
    {
      "number": "M768187",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-03-14",
      "status_date": "2017-03-14",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M756307",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-01-26",
      "status_date": "2017-01-26",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M701167",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-06-28",
      "status_date": "2016-06-28",
      "revised_cost": 1,
      "description": "street space w/mta",
      "source": "sf-building-permits"
    },
    {
      "number": "201603081517",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-03-08",
      "status_date": "2017-04-04",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "repair fungus damage at rear porch and stairs. remove corrugated plastic cover. comply with nov #201568902 items 2 & 3 less than 50%",
      "source": "sf-building-permits"
    },
    {
      "number": "201507161681",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2015-07-16",
      "status_date": "2017-09-01",
      "estimated_cost": 128305,
      "revised_cost": 128305,
      "description": "soft story retrofit per sfbc chapter 34b, 2012 iebc appendix a-4",
      "source": "sf-building-permits"
    },
    {
      "number": "201507161682",
      "type": "additions alterations or repairs",
      "status": "withdrawn",
      "filed": "2015-07-16",
      "status_date": "2017-08-23",
      "estimated_cost": 60074,
      "revised_cost": 60074,
      "description": "upgrade of header above ground floor bay windows. upgrade of ada compiance in commercial space.",
      "source": "sf-building-permits"
    },
    {
      "number": "201311061296",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-11-06",
      "status_date": "2013-11-06",
      "estimated_cost": 800,
      "revised_cost": 800,
      "description": "#6: revision to permit #201310189744. remove some of the specifications to framing the entry between the study and the kitchen is to remain, and the doorway between the kitchen & living room is to remain.",
      "source": "sf-building-permits"
    },
    {
      "number": "201310189744",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-10-18",
      "status_date": "2014-03-20",
      "estimated_cost": 22000,
      "revised_cost": 40000,
      "description": "enlarge current closet to become living room; remove non-structural walls, add framing, insulation, drywall. rewire and add outlets to code, install appliances (gas stove), change light fixtures. relocate hot water heater, rough plumbing for bathroom, replace kitchen sink. flooring and cabinetry",
      "source": "sf-building-permits"
    },
    {
      "number": "200912163315",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-12-16",
      "status_date": "2009-12-28",
      "estimated_cost": 15880,
      "revised_cost": 15880,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M48143",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2006-11-13",
      "status_date": "2006-11-13",
      "revised_cost": 0,
      "description": "sidewalk permit",
      "source": "sf-building-permits"
    },
    {
      "number": "9312367",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1993-07-22",
      "status_date": "1993-09-15",
      "estimated_cost": 4000,
      "description": "fire damage replace sheetrock repaint",
      "source": "sf-building-permits"
    },
    {
      "number": "9114636",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1991-08-15",
      "status_date": "1992-02-19",
      "estimated_cost": 2500,
      "description": "small kitchen fire replace sink, water heater, & sheetrock.",
      "source": "sf-building-permits"
    },
    {
      "number": "8922177",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1989-11-16",
      "status_date": "1991-05-14",
      "estimated_cost": 30000,
      "description": "convert (e) dry cleaning to laundry mat",
      "source": "sf-building-permits"
    },
    {
      "number": "8400099",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-01-04",
      "status_date": "1989-08-14",
      "estimated_cost": 2200,
      "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=3341",
      "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=3590065&$order=closed_roll_year%20DESC&$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=3590&lot=065",
      "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=3590065",
      "retrieved": "2026-07-31"
    }
  ]
}