{
  "address": "3375 21st Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/21st-street/3375/",
  "apn": "3617067",
  "block": "3617",
  "lot": "067",
  "eas_baseid": "362903",
  "coordinates": {
    "lat": 37.756595,
    "lng": -122.422698
  },
  "parcel": {
    "year_built": 1885,
    "units": 4,
    "stories": 3,
    "rooms": 12,
    "bathrooms": 4,
    "bedrooms": 4,
    "lot_area_sqft": 2247,
    "building_area_sqft": 3101,
    "basement_area_sqft": 607,
    "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": "0000 3375 21ST                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1365054,
    "assessed_improvement_value": 626483,
    "last_sale_date": "2008-08-08"
  },
  "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": "1885",
    "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": "202405242988",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-05-24",
      "status_date": "2024-07-05",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "dry rot repair on deck framing in rear of building. replace 50% of decking and railing in kind. replace less than 50% of framing joists.",
      "source": "sf-building-permits"
    },
    {
      "number": "202011038018",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2020-11-03",
      "status_date": "2020-11-03",
      "estimated_cost": 13375,
      "revised_cost": 13375,
      "description": "replace 3 windows & 1 patio door. not visible from street",
      "source": "sf-building-permits"
    },
    {
      "number": "201802141255",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2018-02-14",
      "status_date": "2018-02-14",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under bpa#201504012550. all work is complete",
      "source": "sf-building-permits"
    },
    {
      "number": "201706028233",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-06-02",
      "status_date": "2018-03-09",
      "estimated_cost": 9900,
      "revised_cost": 9900,
      "description": "one unit: replace 11 windows. not visible. max u factor 0.31. no structural changes, vinyl.",
      "source": "sf-building-permits"
    },
    {
      "number": "201603020996",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-03-02",
      "status_date": "2018-02-14",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "installation of electrical panel for three units & common area, installing new upgrade wire electrical",
      "source": "sf-building-permits"
    },
    {
      "number": "M587548",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-05-15",
      "status_date": "2015-05-15",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201504012550",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-04-01",
      "status_date": "2015-04-03",
      "estimated_cost": 40000,
      "revised_cost": 40000,
      "description": "#3- demolish interior partitions per plan, demo ktichen chimney, patch at roof, relocate existing kitchen, reconfigure area of ceiling per plan, relocate existing ceiling lens, construct new interior partition per plan, relocate existing lavatory (sink only).",
      "source": "sf-building-permits"
    },
    {
      "number": "9803491",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1998-03-02",
      "status_date": "1998-04-01",
      "estimated_cost": 3200,
      "description": "repair dryrot in framing & sheathing/crct vltion #9600289",
      "source": "sf-building-permits"
    },
    {
      "number": "9213522",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1992-08-11",
      "status_date": "1993-06-25",
      "estimated_cost": 6500,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8110625",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1981-12-17",
      "status_date": "1983-03-04",
      "estimated_cost": 900,
      "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=3375",
      "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=3617067&$order=closed_roll_year%20DESC&$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=067",
      "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=3617067",
      "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(-122.42269822015967%2037.75659477868612)%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"
  }
}