{
  "address": "3367 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3367/",
  "apn": "3617069",
  "block": "3617",
  "lot": "069",
  "eas_baseid": "362905",
  "coordinates": {
    "lat": 37.756605,
    "lng": -122.422526
  },
  "parcel": {
    "year_built": 1880,
    "units": 2,
    "stories": 3,
    "rooms": 13,
    "bathrooms": 3,
    "bedrooms": 5,
    "lot_area_sqft": 2250,
    "building_area_sqft": 4086,
    "basement_area_sqft": 1286,
    "lot_depth_ft": 90,
    "use": "Multi-Family Residential",
    "property_class": "TIC Bldg 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": "3369 3367 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1132793,
    "assessed_improvement_value": 912425,
    "last_sale_date": "1989-10-04"
  },
  "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": "1880",
    "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": "202507312015",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-07-31",
      "status_date": "2025-08-15",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "3369 21st : administrative permit to revise pa#2020-0722-0646 to state the work (a bathroom remodel project) was performed at 3369 21st street (upper unit), not at 3367 21st street.",
      "source": "sf-building-permits"
    },
    {
      "number": "202505025744",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-05-02",
      "status_date": "2025-08-15",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "to comply w/ physical inspection report #cc 8647",
      "source": "sf-building-permits"
    },
    {
      "number": "202204061745",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-04-06",
      "status_date": "2022-04-18",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa#201106107910 (regular maintenance of front porch) & 201601046299 (revision to pa#201011245641 and response to correction notice). all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "202204061746",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-04-06",
      "status_date": "2022-04-18",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa#201911245641, 201601046299 & 201911157453. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "202009103908",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-09-10",
      "status_date": "2022-04-18",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revised plans to pa 201011245641 to show as-built conditions of wall alignment offset 8-inches per c/n 202013901.",
      "source": "sf-building-permits"
    },
    {
      "number": "202007220646",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-07-22",
      "status_date": "2021-01-08",
      "estimated_cost": 14000,
      "revised_cost": 14000,
      "description": "remodeling.",
      "source": "sf-building-permits"
    },
    {
      "number": "201911157453",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2019-11-15",
      "status_date": "2022-08-11",
      "estimated_cost": 1500,
      "revised_cost": 1500,
      "description": "revision to pa#2018-1207-7771: outswing to patio slider. replace two existing sliders @ basement & 1st floor level like for like. change approved window size from 40x60 to 40x40. stairs reflect true # of risers",
      "source": "sf-building-permits"
    },
    {
      "number": "201908300375",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-08-30",
      "status_date": "2022-04-18",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "adminstrative permit only to document proposed work under 2012 1216 6852 is reduced to the work under pa 2012 1107 3784, hence total revised cost for both permits $42,000.",
      "source": "sf-building-permits"
    },
    {
      "number": "M1125348",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-08-16",
      "status_date": "2019-08-16",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201812077771",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2018-12-07",
      "status_date": "2022-04-18",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "recommencement and completion of work approved under pa# 2016-01046299& 2010-1124-5641.",
      "source": "sf-building-permits"
    },
    {
      "number": "201601046299",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2016-01-04",
      "status_date": "2022-08-11",
      "estimated_cost": 500,
      "revised_cost": 1,
      "description": "revision to pa#201011245641 and response to correction notice to show existing retaining wall, additional structural detail for den.",
      "source": "sf-building-permits"
    },
    {
      "number": "M642207",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-12-01",
      "status_date": "2015-12-01",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M634967",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-11-03",
      "status_date": "2015-11-03",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M629568",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-10-14",
      "status_date": "2015-10-14",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201211073784",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-11-07",
      "status_date": "2013-03-07",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to appl #201012.16.6852: reduce scope of work, delete all structural changes, delete one bathroom, relocate position of non-bearing partitions, retain original heating system, replace existing hot water heaters.",
      "source": "sf-building-permits"
    },
    {
      "number": "201106107910",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2011-06-10",
      "status_date": "2013-04-12",
      "estimated_cost": 350,
      "revised_cost": 350,
      "description": "regular maintenance of front porch to replace some old wood board in-kind, approx 15 sf. (less than 50% of porch floor).",
      "source": "sf-building-permits"
    },
    {
      "number": "201102079724",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2011-02-07",
      "status_date": "2013-04-12",
      "estimated_cost": 16000,
      "revised_cost": 16000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201012166852",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-12-16",
      "status_date": "2013-03-07",
      "estimated_cost": 140000,
      "revised_cost": 140000,
      "description": "to comply with nov #201056869. removing extg walls. remove kitchen. reconfigure layout at ground floor adding 2 bathrooms,office. stair work and landing as per plan.",
      "source": "sf-building-permits"
    },
    {
      "number": "201011245641",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2010-11-24",
      "status_date": "2022-04-18",
      "estimated_cost": 5000,
      "revised_cost": 48700,
      "description": "repair & legalize (e) deck. fill-in room under (e) 1st dining room. small window addition in front - lower service entrance. in kind repair of stairs leading to lower service entrance. rear facade alterations.",
      "source": "sf-building-permits"
    },
    {
      "number": "201010294040",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2010-10-29",
      "status_date": "2011-01-07",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "correct violation # 201056869",
      "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=3367",
      "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=3617069&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3617&lot=069",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3617069",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.42252576058189%2037.75660516155297)%27)",
      "retrieved": "2026-07-31"
    },
    {
      "id": "architecture-preservation-professionals-biographies",
      "name": "San Francisco Planning Department, Architecture, Planning, & Preservation Professionals: A Collection of Biographies (volume P–R), citywide historic context statement, adopted November 17, 2021, updated December 30, 2025",
      "query": "https://citypln-m-extnl.sfgov.org/SharedLinks.aspx?accesskey=37da3dd1abd97d61cd23d20a163f6d99f76a7aaf67f04eddf11f919d978aa651&VaultGUID=A4A7DACD-B0DC-4322-BD29-F6F07103C6E0",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021",
      "retrieved": "2026-09-02"
    }
  ],
  "building": {
    "architect": "Albert Pissis"
  }
}