{
  "address": "3701–3709 16th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/16th-street/3701/",
  "apn": "2622001",
  "block": "2622",
  "lot": "001",
  "eas_baseid": "342472",
  "coordinates": {
    "lat": 37.76402,
    "lng": -122.43563
  },
  "address_range": "3701–3709",
  "street_numbers_on_parcel": [
    "3701",
    "3703",
    "3705",
    "3707",
    "3709"
  ],
  "parcel": {
    "year_built": 1907,
    "units": 6,
    "stories": 2,
    "rooms": 22,
    "bathrooms": 6,
    "lot_area_sqft": 2800,
    "building_area_sqft": 4422,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RM-1",
    "supervisor_district": 8,
    "assessor_neighborhood": "Corona Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "3709 3701 16TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 116162,
    "assessed_improvement_value": 307924
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District",
    "yearbuilt": "1907",
    "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": "M799549",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-06-20",
      "status_date": "2017-06-20",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201004150366",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-04-15",
      "status_date": "2010-06-11",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "comply with nov 201039926 (attached) 3701 16th st repair wooden stair way to the roof, stringer as needed (less than 50% of stairs) 3709 16th st repair the front exterior stairway stringers, post, treads (non structural work)",
      "source": "sf-building-permits"
    },
    {
      "number": "200206259858",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2002-06-25",
      "status_date": "2002-09-03",
      "estimated_cost": 1800,
      "revised_cost": 1800,
      "description": "20% dry rot repair same it was.",
      "source": "sf-building-permits"
    },
    {
      "number": "M16895",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2001-08-16",
      "status_date": "2002-02-16",
      "revised_cost": 9000,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "9122519",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1991-11-26",
      "status_date": "1991-12-31",
      "estimated_cost": 3200,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9020033",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1990-10-01",
      "status_date": "1991-09-12",
      "estimated_cost": 3500,
      "description": "re-r00fing",
      "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=3701",
      "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=2622001&$order=closed_roll_year%20DESC&$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=2622&lot=001",
      "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=2622001",
      "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(-122.43563010673121%2037.76402024517014)%27)",
      "retrieved": "2026-07-28"
    },
    {
      "id": "loc-sf-call-1905-03-31",
      "name": "The San Francisco Call, 31 March 1905, p. 14 — “Builders' Contracts”",
      "query": "https://chroniclingamerica.loc.gov/lccn/sn85066387/1905-03-31/ed-1/seq-14/",
      "retrieved": "2026-08-05"
    }
  ],
  "historical_record": [
    {
      "date": "1905-03-31",
      "kind": "building contract",
      "description": "Building contract for a two-storey frame building of four flats. Contractors Segurson Bros.",
      "cost": 4800,
      "site_as_recorded": "SW corner of Sixteenth and Castro streets",
      "source": "loc-sf-call-1905-03-31"
    }
  ],
  "unknowns": [
    "The assessor gives 1907, but the building was contracted in March 1905."
  ]
}