{
  "address": "3379–3381 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3379/",
  "apn": "3617066",
  "block": "3617",
  "lot": "066",
  "eas_baseid": "362902",
  "coordinates": {
    "lat": 37.756557,
    "lng": -122.422781
  },
  "address_range": "3379–3381",
  "street_numbers_on_parcel": [
    "3379",
    "3381"
  ],
  "parcel": {
    "year_built": 1909,
    "units": 2,
    "stories": 4,
    "rooms": 18,
    "bathrooms": 11,
    "bedrooms": 10,
    "lot_area_sqft": 2848,
    "building_area_sqft": 6068,
    "use": "Multi-Family Residential",
    "property_class": "TI Apartment",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 9,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "3381 3379 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2089830,
    "assessed_improvement_value": 1641589,
    "last_sale_date": "2017-07-13"
  },
  "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, Historic Survey Result",
    "yearbuilt": "1909",
    "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": "202507301974",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-07-30",
      "status_date": "2025-08-19",
      "estimated_cost": 3600,
      "revised_cost": 41104,
      "description": "revision to 202406114239. one unit 2nd fl remove non bearing wall between bedroom 1 and bedroom 2 at 2nd fl. convert powder room into bathroom. convert hallway bath to master bath. 1st fl convert poweder room into closet. convert 2 bath into 1 bathroom.",
      "source": "sf-building-permits"
    },
    {
      "number": "202502261143",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2025-02-26",
      "status_date": "2025-02-26",
      "estimated_cost": 120954,
      "revised_cost": 120954,
      "description": "demo and replace approx. 1/3 of kitchen cabinets,demo/replace countertops & backsplash. move refrigerto location to s of stone. replace range & dishwater. paint (e) cabinets & walls. install waterline for coffee maker. no exterior work",
      "source": "sf-building-permits"
    },
    {
      "number": "202406114239",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-06-11",
      "status_date": "2025-08-19",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "one unit: remove bearing wall btw kitchen & greate rm @ 2nd fl. remove bearing wall btw family rm & office to become bedroom #5, remove wall btw bedroom #4 & # 5 to become # 3 as per plan at 1st fl.",
      "source": "sf-building-permits"
    },
    {
      "number": "202309136529",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-09-13",
      "status_date": "2023-10-23",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "comply w/nov 202177567 one unit. legalize bathroom to great room on 2nd fl; door @ living room, relcoate (e) door @ bedrm 1; replace door w/window in bedroom 3; remove door @ family room; remove beds from office and family rooms",
      "source": "sf-building-permits"
    },
    {
      "number": "202008202197",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-08-20",
      "status_date": "2020-11-16",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "installation of a new sprinkler monitoring system. ref pa# 201901079706",
      "source": "sf-building-permits"
    },
    {
      "number": "M1173508",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-12-06",
      "status_date": "2019-12-06",
      "revised_cost": 1,
      "description": "street space only",
      "source": "sf-building-permits"
    },
    {
      "number": "M1144727",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-09-27",
      "status_date": "2019-09-27",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201909131643",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-09-13",
      "status_date": "2020-11-16",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "rev to 201901079706: - water flow information changes recalculated for all hydraulic calulations.",
      "source": "sf-building-permits"
    },
    {
      "number": "M1068967",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-04-19",
      "status_date": "2019-04-19",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201901079706",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-01-07",
      "status_date": "2020-11-16",
      "estimated_cost": 45000,
      "revised_cost": 45000,
      "description": "installation of fire sprinkler system through out the bldg per nfpa13 and underground per nfpa 24. ref app#201711033094. total 87 fire sprinkler heads. n/a for maher",
      "source": "sf-building-permits"
    },
    {
      "number": "201711033094",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-11-03",
      "status_date": "2020-11-17",
      "estimated_cost": 125000,
      "revised_cost": 125000,
      "description": "interior remodeling at 3379 at 2nd and 3rd floors of (e) 2 unit bldg. 2 new habitable area at basement to be combines with 1st floor(3381 21st street)",
      "source": "sf-building-permits"
    },
    {
      "number": "201703212004",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-03-21",
      "status_date": "2017-03-29",
      "estimated_cost": 4650,
      "revised_cost": 4650,
      "description": "perform repair as per termite report #76806 item 1c, 1d, 1e, 3a, 4a, 5a in like kind.",
      "source": "sf-building-permits"
    },
    {
      "number": "M565827",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-03-05",
      "status_date": "2015-03-05",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M315147",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-04-18",
      "status_date": "2012-04-18",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201202164367",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-02-16",
      "status_date": "2012-07-11",
      "estimated_cost": 55000,
      "revised_cost": 55000,
      "description": "remodel existing bathroom to add shower stall and toilet. remodel existing toilet room to add lavatory. install new stair from second floor to attic storage.",
      "source": "sf-building-permits"
    },
    {
      "number": "200304172535",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2003-04-17",
      "status_date": "2004-03-09",
      "estimated_cost": 6780,
      "revised_cost": 6780,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9119893",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1991-10-21",
      "status_date": "1991-11-01",
      "estimated_cost": 7000,
      "description": "replace rear right basement wall with extended footing 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=21ST&street_type=ST&address_number=3379",
      "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=3617066&$order=closed_roll_year%20DESC&$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=3617&lot=066",
      "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=3617066",
      "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(-122.42278130271738%2037.75655672626258)%27)",
      "retrieved": "2026-07-31"
    }
  ]
}