{
  "address": "3374–3376 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3374/",
  "apn": "3608023",
  "block": "3608",
  "lot": "023",
  "eas_baseid": "362314",
  "coordinates": {
    "lat": 37.757051,
    "lng": -122.422742
  },
  "address_range": "3374–3376",
  "street_numbers_on_parcel": [
    "3374",
    "3376"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 4,
    "stories": 2,
    "rooms": 14,
    "bathrooms": 4,
    "bedrooms": 5,
    "lot_area_sqft": 2874,
    "building_area_sqft": 3910,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 4 units or less",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3376 3374 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1766716,
    "assessed_improvement_value": 803581,
    "last_sale_date": "2015-05-22"
  },
  "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": "1900",
    "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": "201603031084",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-03-03",
      "status_date": "2016-03-24",
      "estimated_cost": 35000,
      "revised_cost": 35000,
      "description": "remodel one unit at the 2nd floor: relocate extg bathroom, relocate extg kitchen. convert extg kitchen and bath to bedroom.",
      "source": "sf-building-permits"
    },
    {
      "number": "201512114912",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2015-12-11",
      "status_date": "2024-12-06",
      "estimated_cost": 20000,
      "revised_cost": 380000,
      "description": "addition of one units per ordinance 30-15. seismic p/a#201508174416. relocate entry door on 1st floor & replace w/window to match existing.",
      "source": "sf-building-permits"
    },
    {
      "number": "M624428",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-09-23",
      "status_date": "2015-09-23",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "201508174416",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2015-08-17",
      "status_date": "2024-12-06",
      "estimated_cost": 40000,
      "revised_cost": 80000,
      "description": "volutnary seismic upgrade per ab-094; install shear wall & 1 moment frame per compliance method iebc appendix chapter a4, excavate crawl space on the south side of property 6'-4\" max for new 8'-0\" storage,",
      "source": "sf-building-permits"
    },
    {
      "number": "201506239617",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2015-06-23",
      "status_date": "2024-12-06",
      "estimated_cost": 50000,
      "revised_cost": 80000,
      "description": "extg storage area to be excavated 6'-8\" max for 8'-0\" ceiling height. extg brick perimeter foundation to be replaced with new concrete foundation.",
      "source": "sf-building-permits"
    },
    {
      "number": "200303068994",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-03-06",
      "status_date": "2003-04-09",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "repair the back deck,stairs & the side stairs. to comply w/ complaint#200235792 item#2.",
      "source": "sf-building-permits"
    },
    {
      "number": "9303084",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1993-02-25",
      "status_date": "1993-07-06",
      "estimated_cost": 4000,
      "description": "reroofing",
      "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=3374",
      "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=3608023&$order=closed_roll_year%20DESC&$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=3608&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=3608023",
      "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(-122.42274182392283%2037.75705073304238)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}