{
  "address": "3650–3656 16th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/16th-street/3650/",
  "apn": "3561024",
  "block": "3561",
  "lot": "024",
  "eas_baseid": "359678",
  "coordinates": {
    "lat": 37.764435,
    "lng": -122.434281
  },
  "address_range": "3650–3656",
  "street_numbers_on_parcel": [
    "3650",
    "3652",
    "3656"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 1,
    "stories": 2,
    "rooms": 6,
    "bathrooms": 1,
    "lot_area_sqft": 1915.9,
    "building_area_sqft": 1540,
    "lot_depth_ft": 15,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Duboce Triangle",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 3650 16TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 129956,
    "assessed_improvement_value": 337148
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Duboce Triangle Historic District Extension",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "200308222860",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-08-22",
      "status_date": "2003-12-10",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew permit for final inspection. previous permit 970580. 200207030592. all work completed.",
      "source": "sf-building-permits"
    },
    {
      "number": "200301316433",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2003-01-31",
      "status_date": "2003-12-24",
      "estimated_cost": 45000,
      "revised_cost": 45000,
      "description": "demo exist roof material and any e construction not req for final construction.partial demo exterior",
      "source": "sf-building-permits"
    },
    {
      "number": "200301225602",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-01-22",
      "status_date": "2003-12-24",
      "estimated_cost": 75000,
      "revised_cost": 75000,
      "description": "new kitchen cabinets, lighting, plumbing fixtures, flooring, removal of 2 windows, add 1 window",
      "source": "sf-building-permits"
    },
    {
      "number": "200207030592",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2002-07-03",
      "status_date": "2002-07-03",
      "estimated_cost": 6500,
      "revised_cost": 6500,
      "description": "bathroom repair & renovation: replace all plumbing fixtures with faucets; install new tiles, paintin",
      "source": "sf-building-permits"
    },
    {
      "number": "M18574",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2002-01-17",
      "status_date": "2002-05-17",
      "revised_cost": 0,
      "description": "sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "200103214800",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2001-03-21",
      "status_date": "2001-09-21",
      "estimated_cost": 7200,
      "revised_cost": 7200,
      "description": "replace front stairs see plans",
      "source": "sf-building-permits"
    },
    {
      "number": "9912654",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-06-24",
      "status_date": "1999-10-24",
      "estimated_cost": 950,
      "description": "install/replace 02 windows",
      "source": "sf-building-permits"
    },
    {
      "number": "9206922",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1992-04-28",
      "status_date": "1992-05-11",
      "estimated_cost": 1,
      "description": "renewal of bldg appl 9024108",
      "source": "sf-building-permits"
    },
    {
      "number": "9204467",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1992-03-20",
      "status_date": "1992-04-06",
      "estimated_cost": 1350,
      "description": "increase height ofd base of indicated walls",
      "source": "sf-building-permits"
    },
    {
      "number": "9024108",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1990-11-21",
      "status_date": "1992-03-05",
      "estimated_cost": 1000,
      "description": "add post footing, concrete steps.",
      "source": "sf-building-permits"
    },
    {
      "number": "9016832",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1990-08-23",
      "status_date": "1991-12-10",
      "estimated_cost": 1,
      "description": "change one steel frame to plywood shearwall",
      "source": "sf-building-permits"
    },
    {
      "number": "8922658S",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1989-11-22",
      "status_date": "1992-05-13",
      "estimated_cost": 95000,
      "description": "horizontal addition",
      "source": "sf-building-permits"
    },
    {
      "number": "8922225",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1989-11-16",
      "status_date": "1990-09-25",
      "estimated_cost": 3500,
      "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=16TH&street_type=ST&address_number=3650",
      "retrieved": "2026-07-28"
    },
    {
      "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=3561024&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3561&lot=024",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3561024",
      "retrieved": "2026-07-28"
    },
    {
      "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(-122.43428070198057%2037.764434883002124)%27)",
      "retrieved": "2026-07-28"
    },
    {
      "id": "duboce-triangle-context-statement",
      "name": "Christopher VerPlanck (VerPlanck Historic Preservation Consulting), Duboce Triangle Historic Context Statement, prepared for the Duboce Triangle Neighborhood Association, dated August 26, 2022, adopted 2022",
      "query": "https://sfplanning.s3.amazonaws.com/default/files/Preservation/DuboceTriangleHCS/preserv_duboce_triangleHCS-draft.pdf",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Duboce Triangle Historic Context Statement, adopted 2022",
      "retrieved": "2026-08-13"
    }
  ],
  "historic_survey": {
    "survey": "Duboce Triangle Historic Context Statement (2022)",
    "source": "duboce-triangle-context-statement",
    "style": "San Francisco Stick-Eastlake",
    "year_built_as_surveyed": "Ca. 1885",
    "note": "One of a row of three matching rowhouses built Ca. 1885 on the site of an early suburban villa — the statement's example of how matching groups appear in Duboce Triangle only where infill replaced an older holding. Christopher VerPlanck's context statement of 2022 surveyed 552 properties in Duboce Triangle for the Duboce Triangle Neighborhood Association. Dates it gives as “Ca.” are its own estimates."
  }
}