{
  "address": "3633–3635 16th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/16th-street/3633/",
  "apn": "3562032",
  "block": "3562",
  "lot": "032",
  "eas_baseid": "359770",
  "coordinates": {
    "lat": 37.763964,
    "lng": -122.434146
  },
  "address_range": "3633–3635",
  "street_numbers_on_parcel": [
    "3633",
    "3635"
  ],
  "parcel": {
    "year_built": 1949,
    "units": 2,
    "stories": 2,
    "rooms": 10,
    "bathrooms": 2,
    "lot_area_sqft": 1799,
    "building_area_sqft": 2964,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Duboce Triangle",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "3635 3633 16TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 967159,
    "assessed_improvement_value": 414491,
    "last_sale_date": "2011-09-23"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1949",
    "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": "202108045781",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2021-08-04",
      "status_date": "2021-08-04",
      "estimated_cost": 30000,
      "revised_cost": 30000,
      "description": "kitchen and bathroom remodel: replace kitchen cabinet, countertop, tiles, floors, fixtures with no change in location of fixtures or plumbing. no structural changes. replace bathtub, tiles, floors, cabinet with no location change. replace damaged exterior wood siding, repair wood window trim, ~400sf",
      "source": "sf-building-permits"
    },
    {
      "number": "202101122480",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-01-12",
      "status_date": "2021-03-16",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M272226",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2011-07-08",
      "status_date": "2011-07-08",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "200703206700",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-03-20",
      "status_date": "2007-04-02",
      "estimated_cost": 8000,
      "revised_cost": 8000,
      "description": "volunatary lateral improvemnt(including); 1/2\" cdx plywood shearwall on all garage sides from foundation to top plate nailed with 8d at 6\" on edge 12\" infield, foundation bolts (5/8\" 4'0.6, 7\" deep wedge andchor with 2\"x2\" square washer), h25 steel ties where ceiling joist meets tip plate.",
      "source": "sf-building-permits"
    },
    {
      "number": "9318782",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1993-10-25",
      "status_date": "1993-12-08",
      "estimated_cost": 3500,
      "description": "change exist window to aluminum sliding windows. same size.",
      "source": "sf-building-permits"
    },
    {
      "number": "9312581",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1993-07-26",
      "status_date": "1993-11-30",
      "estimated_cost": 4200,
      "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=3633",
      "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=3562032&$order=closed_roll_year%20DESC&$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=3562&lot=032",
      "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=3562032",
      "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(-122.43414622240846%2037.763963828610734)%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": "Streamline Moderne",
    "note": "The only Streamline Moderne building the statement finds in Duboce Triangle. It describes it in one passage as a two-unit building put up in the 1940s and in another as a Victorian-era dwelling remodelled Ca. 1935. Christopher VerPlanck's context statement of 2022 surveyed 552 properties in Duboce Triangle for the Duboce Triangle Neighborhood Association."
  }
}