{
  "address": "4050–4056 19th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/19th-street/4050/",
  "apn": "3583051",
  "block": "3583",
  "lot": "051",
  "eas_baseid": "275015",
  "coordinates": {
    "lat": 37.759446,
    "lng": -122.433942
  },
  "address_range": "4050–4056",
  "street_numbers_on_parcel": [
    "4050",
    "4052",
    "4054",
    "4056"
  ],
  "also_addressed": [
    "184 HARTFORD ST",
    "186 HARTFORD ST"
  ],
  "parcel": {
    "year_built": 1885,
    "units": 6,
    "stories": 2,
    "rooms": 26,
    "bathrooms": 6,
    "bedrooms": 8,
    "lot_area_sqft": 3750,
    "building_area_sqft": 6686,
    "basement_area_sqft": 446,
    "lot_depth_ft": 75,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0186 0184 HARTFORD            ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 571076,
    "assessed_improvement_value": 496432,
    "last_sale_date": "1995-05-03"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unevaluated",
    "reason": "Historic Survey Result and 45 years or older",
    "yearbuilt": "1885",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202102195014",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-02-19",
      "status_date": "2021-02-25",
      "estimated_cost": 11000,
      "revised_cost": 11000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M1037847",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-02-11",
      "status_date": "2019-02-11",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201808107111",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-08-10",
      "status_date": "2019-11-15",
      "estimated_cost": 5000,
      "revised_cost": 24000,
      "description": "soft story program. crawl space upgrade at 19th st side. comply w/ iebc 2016 appendix a-4. comply w/ nov 201719982",
      "source": "sf-building-permits"
    },
    {
      "number": "201309197287",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2013-09-19",
      "status_date": "2026-01-09",
      "estimated_cost": 2000,
      "revised_cost": 10000,
      "description": "kitchen alteration & new bath",
      "source": "sf-building-permits"
    },
    {
      "number": "200907102361",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-07-10",
      "status_date": "2009-07-10",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approv under 200808068531. all work is complete sp insp req.",
      "source": "sf-building-permits"
    },
    {
      "number": "200808068531",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-08-06",
      "status_date": "2008-08-13",
      "estimated_cost": 20000,
      "revised_cost": 22000,
      "description": "work on the ground floor to add half bath, repair dry rot at window header at the rear wall of ex. art studio and replace ex. raised floor in storage area with slab on grade and new footing",
      "source": "sf-building-permits"
    },
    {
      "number": "200601061631",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2006-01-06",
      "status_date": "2006-12-13",
      "estimated_cost": 45000,
      "revised_cost": 45000,
      "description": "remodel of interior only",
      "source": "sf-building-permits"
    },
    {
      "number": "200509021925",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-09-02",
      "status_date": "2005-10-12",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "voluntary foundation upgrade (anchor bolts,tie beams)",
      "source": "sf-building-permits"
    },
    {
      "number": "200212183810",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2002-12-18",
      "status_date": "2002-12-18",
      "estimated_cost": 3450,
      "revised_cost": 3450,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200111193487",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-11-19",
      "status_date": "2002-02-11",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "remove wood lath panel install 3 matching windos on side of house on hartford street.remove wc capwa",
      "source": "sf-building-permits"
    },
    {
      "number": "200004066620",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-04-06",
      "status_date": "2000-05-24",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "rev to permit-200003013134, install concrete footing at garage wall",
      "source": "sf-building-permits"
    },
    {
      "number": "200003063564",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-03-06",
      "status_date": "2000-07-06",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "remove water closet/cap water & wasteline, remove bearing wall.",
      "source": "sf-building-permits"
    },
    {
      "number": "200003013134",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-03-01",
      "status_date": "2000-09-01",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "repair dry rotted framing below garage, add new perimeter footings",
      "source": "sf-building-permits"
    },
    {
      "number": "9809273",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1998-05-21",
      "status_date": "1999-03-02",
      "estimated_cost": 1000,
      "description": "dry rot repair on stairs & wall above",
      "source": "sf-building-permits"
    },
    {
      "number": "9806540",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1998-04-15",
      "status_date": "1998-05-29",
      "estimated_cost": 3000,
      "description": "new skylights over kitchen",
      "source": "sf-building-permits"
    },
    {
      "number": "9706199",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1997-04-07",
      "status_date": "1997-12-10",
      "estimated_cost": 1000,
      "revised_cost": 3000,
      "description": "improvement to (e) storage rm window, sheetrock walls & clng",
      "source": "sf-building-permits"
    },
    {
      "number": "9613771",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1996-07-30",
      "status_date": "1996-11-30",
      "estimated_cost": 2000,
      "description": "termite repair",
      "source": "sf-building-permits"
    },
    {
      "number": "9607298",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1996-04-29",
      "status_date": "1996-10-29",
      "estimated_cost": 10000,
      "description": "revis pa#9605066/replace insuf brick piers w/new concrete pi",
      "source": "sf-building-permits"
    },
    {
      "number": "9605066",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1996-03-26",
      "status_date": "1996-07-09",
      "estimated_cost": 3000,
      "description": "repair rot damaged decking @ ground level at rear",
      "source": "sf-building-permits"
    },
    {
      "number": "9412966",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1994-08-12",
      "status_date": "1994-09-28",
      "estimated_cost": 18000,
      "description": "frame in closet & breakfast rm,change door location",
      "source": "sf-building-permits"
    },
    {
      "number": "9408753",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1994-06-02",
      "status_date": "1994-09-28",
      "estimated_cost": 6000,
      "description": "frame in closet and breakfast room, add two skylights-kitche",
      "source": "sf-building-permits"
    },
    {
      "number": "8903426",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1989-03-02",
      "status_date": "1989-08-02",
      "estimated_cost": 300,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8805922",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-05-10",
      "status_date": "1988-08-17",
      "estimated_cost": 6500,
      "description": "repair fire damage",
      "source": "sf-building-permits"
    },
    {
      "number": "8805651",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-05-04",
      "status_date": "1989-03-24",
      "estimated_cost": 13300,
      "description": "roo-partial new roof, patch sheetrock warehouse.",
      "source": "sf-building-permits"
    },
    {
      "number": "8805652",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1988-05-04",
      "status_date": "1988-07-25",
      "estimated_cost": 3600,
      "description": "replace seam joints inbackporch & paint.",
      "source": "sf-building-permits"
    },
    {
      "number": "8401049",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-03-09",
      "status_date": "1986-03-04",
      "estimated_cost": 1425,
      "description": "to bring building into fll compliance with the provisions.",
      "source": "sf-building-permits"
    },
    {
      "number": "8109982",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1981-11-23",
      "status_date": "1983-03-04",
      "estimated_cost": 10255,
      "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=19TH&street_type=ST&address_number=4050",
      "retrieved": "2026-07-28"
    },
    {
      "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=3583051&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3583&lot=051",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3583051",
      "retrieved": "2026-07-28"
    },
    {
      "id": "eureka-valley-context-statement",
      "name": "Elaine B. Stiles, Eureka Valley Historic Context Statement, prepared for the Eureka Valley Neighborhood Association, adopted by the Historic Preservation Commission December 20, 2017",
      "query": "http://default.sfplanning.org/Preservation/EurekaValleyHCS/hp_eureka_valley_hcs_HCS_FINAL-122017.pdf",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Eureka Valley Historic Context Statement, adopted 2017",
      "retrieved": "2026-08-14"
    }
  ],
  "historic_survey": {
    "survey": "Eureka Valley Historic Context Statement (2017)",
    "source": "eureka-valley-context-statement",
    "style": "Italianate",
    "note": "Illustrated in the statement's survey of Eureka Valley property types and architectural styles. The statement is reconnaissance-level and says inclusion in it is not a judgement on a building's worthiness for preservation. It records it as a four-flat, now six units, named in the evaluation framework as an early example of the form in the neighbourhood that forecasts the massing of its later flats and apartment buildings."
  }
}