{
  "address": "3686–3698 20th Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/20th-street/3686/",
  "apn": "3597028",
  "block": "3597",
  "lot": "028",
  "eas_baseid": "361566",
  "coordinates": {
    "lat": 37.758547,
    "lng": -122.423232
  },
  "address_range": "3686–3698",
  "street_numbers_on_parcel": [
    "3686",
    "3688",
    "3690",
    "3692",
    "3694",
    "3696",
    "3698"
  ],
  "parcel": {
    "year_built": 1906,
    "units": 9,
    "stories": 3,
    "rooms": 36,
    "bathrooms": 9,
    "bedrooms": 12,
    "lot_area_sqft": 4275,
    "building_area_sqft": 10910,
    "lot_depth_ft": 57,
    "use": "Multi-Family Residential",
    "property_class": "Flat & Store 5 to 14 units",
    "construction_type_code": "D",
    "zoning": "RM-1",
    "supervisor_district": 9,
    "assessor_neighborhood": "Mission Dolores",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3698 3686 20TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 243007,
    "assessed_improvement_value": 475485
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District, Historic Survey Result",
    "yearbuilt": "1906",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Inner Mission Boulevards and Alleys Reconstruction Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "1906–1917",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "202603187873",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2026-03-18",
      "status_date": "2026-06-08",
      "estimated_cost": 27000,
      "revised_cost": 27000,
      "description": "one unit- remodel restroom to be accessible, remodel kitchenette for accessibility. infill opening between 3698 and 3692 tenant space",
      "source": "sf-building-permits"
    },
    {
      "number": "202601284755",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2026-01-28",
      "status_date": "2026-06-12",
      "estimated_cost": 2000,
      "revised_cost": 31552,
      "description": "permit to address nov #202544978: legalize restroom",
      "source": "sf-building-permits"
    },
    {
      "number": "202303284554",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-03-28",
      "status_date": "2024-07-16",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa #201711073344. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "202303284555",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-03-28",
      "status_date": "2024-07-16",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa #201711073345. all work is complete",
      "source": "sf-building-permits"
    },
    {
      "number": "M1089507",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-06-04",
      "status_date": "2019-06-04",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1074867",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-05-03",
      "status_date": "2019-05-03",
      "revised_cost": 0,
      "description": "streetspace",
      "source": "sf-building-permits"
    },
    {
      "number": "M1067069",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-04-16",
      "status_date": "2019-04-16",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1044567",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-02-28",
      "status_date": "2019-02-28",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1036627",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-02-07",
      "status_date": "2019-02-07",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1025767",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-01-09",
      "status_date": "2019-01-09",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1019147",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-12-18",
      "status_date": "2018-12-18",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1004048",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-11-09",
      "status_date": "2018-11-09",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M999307",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-10-26",
      "status_date": "2018-10-26",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201810092529",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-10-09",
      "status_date": "2018-10-17",
      "estimated_cost": 500,
      "revised_cost": 1500,
      "description": "dry rot repair in-kind at rear wall, not visible from street. paint any replaced. wood.",
      "source": "sf-building-permits"
    },
    {
      "number": "201810092530",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-10-09",
      "status_date": "2018-10-16",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "reroofing.",
      "source": "sf-building-permits"
    },
    {
      "number": "201711073344",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2017-11-07",
      "status_date": "2024-07-16",
      "estimated_cost": 40000,
      "revised_cost": 80000,
      "description": "residential - soft story retrofit per sfebc chapter 4d engineering criteria 2016 cebc appendix a-4. soft story for commercial under pa 201711073345",
      "source": "sf-building-permits"
    },
    {
      "number": "201711073345",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2017-11-07",
      "status_date": "2024-07-16",
      "estimated_cost": 20000,
      "revised_cost": 40000,
      "description": "commercial - soft story retrofit per sfebc chapter 4d engineering criteria 2016 cebc appendix a-4. residential soft story under pa 201711073344",
      "source": "sf-building-permits"
    },
    {
      "number": "M779347",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-04-19",
      "status_date": "2017-04-19",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M247166",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-03-11",
      "status_date": "2011-03-11",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M167225",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-06-08",
      "status_date": "2009-06-08",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M29921",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-10-26",
      "status_date": "2004-10-26",
      "revised_cost": 0,
      "description": "sidewalk repair only",
      "source": "sf-building-permits"
    },
    {
      "number": "M14833",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-10-24",
      "status_date": "2001-02-24",
      "revised_cost": 0,
      "description": "sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "9105020",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1991-04-02",
      "status_date": "1991-07-22",
      "estimated_cost": 3200,
      "description": "repair 2 rear stairways replace stringers stair threads",
      "source": "sf-building-permits"
    },
    {
      "number": "8606344",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1986-05-30",
      "status_date": "1987-01-05",
      "estimated_cost": 1000,
      "description": "tear out existing stucco, preparation of wall surfaces",
      "source": "sf-building-permits"
    },
    {
      "number": "8300698",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1983-01-25",
      "status_date": "1985-04-22",
      "estimated_cost": 10000,
      "description": "comply to codes",
      "source": "sf-building-permits"
    },
    {
      "number": "8300148",
      "type": "sign - erect",
      "status": "cancelled",
      "filed": "1983-01-06",
      "status_date": "1983-04-27",
      "estimated_cost": 1500,
      "description": "signs, electric, single, wall",
      "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=20TH&street_type=ST&address_number=3686",
      "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=3597028&$order=closed_roll_year%20DESC&$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=3597&lot=028",
      "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=3597028",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.42323202172092%2037.75854668488403)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}