{
  "address": "3416 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3416/",
  "apn": "3607013",
  "block": "3607",
  "lot": "013",
  "eas_baseid": "362233",
  "coordinates": {
    "lat": 37.756982,
    "lng": -122.423861
  },
  "parcel": {
    "year_built": 1872,
    "units": 1,
    "stories": 2,
    "rooms": 9,
    "bathrooms": 2,
    "lot_area_sqft": 2850,
    "building_area_sqft": 2360,
    "lot_depth_ft": 14,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 3416 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 438562,
    "assessed_improvement_value": 883872,
    "last_sale_date": "1996-04-26"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A*",
    "ceqa_status_label": "Historic resource",
    "reason": "Article 10 Historic District, California Register Historic District",
    "yearbuilt": "1872",
    "in_article_10_11_historic_district": true,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Liberty Hill Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "Article 10 historic district",
    "local_landmark_protection": true,
    "period_of_significance": "1860s–1906",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "202308114213",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2023-08-11",
      "status_date": "2023-08-11",
      "estimated_cost": 19300,
      "revised_cost": 19300,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201010082569",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-10-08",
      "status_date": "2010-10-27",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "repair termite damage at front siding. item 5a report #56162 dated 9-21-10. replace siding in-kind approx. 25 sq. ft.",
      "source": "sf-building-permits"
    },
    {
      "number": "M210806",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-07-13",
      "status_date": "2010-07-13",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "200107022774",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-07-02",
      "status_date": "2001-10-19",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "install new shylingt obove storage area created in app #200104045985",
      "source": "sf-building-permits"
    },
    {
      "number": "200104045985",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-04-04",
      "status_date": "2001-10-19",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "alteration to 2nd floor bdrm/replace window with doors and add new guardrail",
      "source": "sf-building-permits"
    },
    {
      "number": "200007124978",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-07-12",
      "status_date": "2001-01-12",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "install 1/2 bath , shower & pedestal sink at existing closet.",
      "source": "sf-building-permits"
    },
    {
      "number": "200003164530",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-03-16",
      "status_date": "2000-05-02",
      "revised_cost": 5500,
      "description": "install anchor bolts with epoxy on west side only to match existing siding",
      "source": "sf-building-permits"
    },
    {
      "number": "9920052",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2000-02-09",
      "status_date": "2001-05-23",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "three story addition, first floor remodeling, scnd fl bathrm",
      "source": "sf-building-permits"
    },
    {
      "number": "9810526",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1998-06-09",
      "status_date": "1998-08-05",
      "estimated_cost": 2000,
      "description": "replace existing deck",
      "source": "sf-building-permits"
    },
    {
      "number": "9725314",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1997-12-17",
      "status_date": "1998-09-25",
      "estimated_cost": 22000,
      "revised_cost": 27000,
      "description": "horizontal addition",
      "source": "sf-building-permits"
    },
    {
      "number": "9024013",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1990-11-20",
      "status_date": "1991-01-29",
      "estimated_cost": 1,
      "description": "final inspection application #8907202",
      "source": "sf-building-permits"
    },
    {
      "number": "9024014",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1990-11-20",
      "status_date": "1991-01-29",
      "estimated_cost": 1,
      "description": "final inspection #8918304",
      "source": "sf-building-permits"
    },
    {
      "number": "9024015",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1990-11-20",
      "status_date": "1991-01-29",
      "estimated_cost": 1,
      "description": "final inspection app #8902203",
      "source": "sf-building-permits"
    },
    {
      "number": "9000815",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1990-01-12",
      "status_date": "1990-11-20",
      "estimated_cost": 12000,
      "description": "repalce stairs to basement, remodel rooms and add utility rm",
      "source": "sf-building-permits"
    },
    {
      "number": "8918304",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1989-09-29",
      "status_date": "1990-07-13",
      "estimated_cost": 3000,
      "description": "remove stucco on facade of bldg to replace rotten wood membr",
      "source": "sf-building-permits"
    },
    {
      "number": "8907202",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1989-05-02",
      "status_date": "1991-01-29",
      "estimated_cost": 10000,
      "description": "horizontal addition (enclose exist porch)",
      "source": "sf-building-permits"
    },
    {
      "number": "8902203",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1989-02-09",
      "status_date": "1990-11-09",
      "estimated_cost": 28000,
      "description": "remodel bathrms & resheetrock bedrm, replace sashs, windows",
      "source": "sf-building-permits"
    },
    {
      "number": "8500939",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1985-01-28",
      "status_date": "1985-08-06",
      "estimated_cost": 2000,
      "description": "termite dryrot work.",
      "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=21ST&street_type=ST&address_number=3416",
      "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=3607013&$order=closed_roll_year%20DESC&$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=3607&lot=013",
      "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=3607013",
      "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(-122.42386065510807%2037.756981991727805)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}