{
  "address": "73–77 Collingwood Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/collingwood-street/73/",
  "hook": "A 1909 parcel carrying two structures — a six-unit building at the street and a cottage at the rear.",
  "address_range": "73–77",
  "apn": "2647018",
  "block": "2647",
  "lot": "018",
  "eas_baseid": "343205",
  "coordinates": {
    "lat": 37.761285,
    "lng": -122.43584
  },
  "parcel": {
    "year_built": 1909,
    "use": "Multi-Family Residential",
    "property_class": "TIC Bldg 4 units or less",
    "units": 7,
    "stories": 3,
    "rooms": 28,
    "bathrooms": 7,
    "construction_type_code": "D",
    "lot_area_sqft": 4375,
    "building_area_sqft": 7450,
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 3271559,
    "assessed_improvement_value": 2163937,
    "last_sale_date": "2005-11-12"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unknown Historic Resource status",
    "reason": "No evaluation and 45 years or older",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202510217787",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2025-10-21",
      "estimated_cost": 57000,
      "description": "approximately 1232 sqft of exterior siding will have to be removed. 2860 sq ft of wood siding will be painted.",
      "source": "sf-building-permits",
      "description_edited": "Exterior wood siding removed and repainted — about 1,232 sq ft removed, 2,860 sq ft repainted."
    },
    {
      "number": "202308245144",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-08-24",
      "completed": "2023-10-13",
      "estimated_cost": 12000,
      "description": "replacing 3 windows that were not properly installed 10 years ago. windows facing back yard. cottage is in the back.",
      "source": "sf-building-permits",
      "description_edited": "Three rear-facing windows in the cottage replaced after a prior installation was found faulty."
    },
    {
      "number": "202009113925",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-09-11",
      "completed": "2020-12-04",
      "estimated_cost": 15000,
      "description": "rear bldg bathroom remodel - replace plumbing fixtures in existing location. no new locations; new tile work; no electrical work",
      "source": "sf-building-permits",
      "description_edited": "Bathroom remodeled in the rear building — plumbing fixtures replaced in place."
    },
    {
      "number": "201812067602",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-12-06",
      "completed": "2019-02-13",
      "estimated_cost": 6304,
      "description": "one unit: like for like, wood composite fibrex, 2 windows.",
      "source": "sf-building-permits",
      "description_edited": "Two windows replaced, like for like, in one unit."
    },
    {
      "number": "201504305011",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-04-30",
      "completed": "2021-10-01",
      "estimated_cost": 30000,
      "description": "soft story retrofit - new foundations & shearwalls at (e) floor service spaces. per sfbc 34b 2012 iebc apprndix.",
      "source": "sf-building-permits",
      "description_edited": "Soft-story seismic retrofit — new foundations and shear walls at the ground-floor service spaces."
    },
    {
      "number": "201402118343",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-02-11",
      "estimated_cost": 6000,
      "description": "removal of lath and plaster upgrade electrical outlets, install insulation, sheetrock and paint. no change to partition locations and openings",
      "source": "sf-building-permits",
      "description_edited": "Lath and plaster removed, electrical outlets upgraded, insulation and sheetrock installed."
    },
    {
      "number": "201305066147",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-05-06",
      "completed": "2013-06-17",
      "estimated_cost": 400,
      "description": "revision to eprmit #201303222802; replace 2 windows one to be tampered, not visible to street",
      "source": "sf-building-permits",
      "description_edited": "Two windows replaced, revising an earlier bathroom-remodel permit."
    },
    {
      "number": "201303222802",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-03-22",
      "completed": "2013-06-17",
      "estimated_cost": 10000,
      "description": "bathroom remodeling replacement of sheetrock insulation update electric wiring and plumbing tile and paint one smog alarm",
      "source": "sf-building-permits",
      "description_edited": "Bathroom remodeled — sheetrock, insulation, electrical and plumbing updated; tile, paint, and a smoke alarm added."
    },
    {
      "number": "M328987",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-06-20",
      "estimated_cost": 371,
      "description": "to create addresses 73a, 75a 77a collingwood st. to blk 2647. lot 018",
      "source": "sf-building-permits",
      "description_edited": "Addresses 73A, 75A, and 77A created on the parcel."
    },
    {
      "number": "201205019575",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2012-05-01",
      "completed": "2013-06-04",
      "estimated_cost": 30000,
      "description": "remodel kitchen & living room, replace sheetrock, insulation, update electric wiring & plumbing, install new cabinets, flooring & painting",
      "source": "sf-building-permits",
      "description_edited": "Kitchen and living room remodeled — sheetrock, insulation, wiring and plumbing updated; new cabinets, flooring, and paint."
    },
    {
      "number": "200909217320",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-09-21",
      "completed": "2010-02-10",
      "estimated_cost": 15250,
      "description": "extend non-bearing stud wall on two sides to create niche for shelving, install ceiling fan and update electrical, smoke alarm, window is replace in kind",
      "source": "sf-building-permits",
      "description_edited": "Non-load-bearing wall extended to create a shelving niche; ceiling fan and updated electrical and smoke alarm installed."
    },
    {
      "number": "200804038673",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2008-04-03",
      "estimated_cost": 1000,
      "description": "install new roof decking (sheating) . no structural change. back cottage.",
      "source": "sf-building-permits",
      "description_edited": "New roof decking installed on the rear cottage; no structural change."
    },
    {
      "number": "200804038670",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-04-03",
      "completed": "2008-05-22",
      "estimated_cost": 5000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200705181693",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2007-05-18",
      "completed": "2007-08-31",
      "estimated_cost": 15000,
      "description": "one unit-remodel kitchen and bath remodel-new beam and 2 posts between kitchen and living",
      "source": "sf-building-permits",
      "description_edited": "Kitchen and bath remodeled in one unit — new beam and two posts added between kitchen and living room."
    },
    {
      "number": "200306167151",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2003-06-16",
      "estimated_cost": 3967,
      "description": "4 windows to be replaced size for size. not bisible from street",
      "source": "sf-building-permits",
      "description_edited": "Four windows replaced, size for size."
    },
    {
      "number": "9925744",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-12-07",
      "estimated_cost": 8000,
      "description": "remove non-bearing partitions dividding the living areas",
      "source": "sf-building-permits",
      "description_edited": "Non-load-bearing partitions removed to open up the living area."
    },
    {
      "number": "9921101",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-10-06",
      "estimated_cost": 5645,
      "description": "remove existing aluminum window and install new vinyl",
      "source": "sf-building-permits",
      "description_edited": "Aluminum window replaced with vinyl."
    },
    {
      "number": "9825163",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1998-12-09",
      "estimated_cost": 1400,
      "description": "replace alum. window w/vinyl (3 windows)",
      "source": "sf-building-permits",
      "description_edited": "Three aluminum windows replaced with vinyl."
    },
    {
      "number": "9023780",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1990-11-15",
      "completed": "1990-12-26",
      "estimated_cost": 2400,
      "description": "reroofing.",
      "source": "sf-building-permits"
    },
    {
      "number": "8910633",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1989-06-19",
      "completed": "1989-07-24",
      "estimated_cost": 3200,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "8509212",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1985-08-23",
      "completed": "1985-10-17",
      "estimated_cost": 3945,
      "description": "install 21 aluminum windows in existing frames in units",
      "source": "sf-building-permits",
      "description_edited": "Twenty-one aluminum windows installed in existing frames."
    },
    {
      "number": "8204563",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1982-06-07",
      "completed": "1983-03-04",
      "estimated_cost": 14560,
      "description": "bldg use: apts",
      "source": "sf-building-permits",
      "description_edited": "Alterations and repairs completed."
    }
  ],
  "permits_omitted": {
    "count": 5,
    "reason": "nominal-cost street-space and sidewalk permits ($0–$1)",
    "numbers": [
      "M43543",
      "M70466",
      "M218086",
      "M729835",
      "M888207"
    ]
  },
  "narrative": {
    "lead": "The parcel carries two permitted structures — a six-unit apartment building fronting the street and a one-unit cottage at the rear, addressed separately in DBI records as apartments and a 1-family dwelling."
  },
  "sources": [
    {
      "id": "sf-eas-addresses",
      "name": "SF Enterprise Addressing System via DataSF",
      "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=COLLINGWOOD&street_type=ST&address_number=73",
      "retrieved": "2026-07-27"
    },
    {
      "id": "sf-assessor-roll",
      "name": "SF Office of the Assessor-Recorder via DataSF (2025 secured roll)",
      "query": "https://data.sfgov.org/resource/wv5m-vpq2.json?parcel_number=2647018&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-27"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=2647&lot=018",
      "retrieved": "2026-07-27"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=2647018",
      "retrieved": "2026-07-27"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.43583993649263%2037.76128513408033)%27)",
      "retrieved": "2026-07-27"
    },
    {
      "id": "loc-sf-call-1908-03-13",
      "name": "The San Francisco Call, 13 March 1908, p. 15",
      "query": "https://chroniclingamerica.loc.gov/lccn/sn85066387/1908-03-13/ed-1/seq-15/",
      "retrieved": "2026-10-04"
    }
  ],
  "historical_record": [
    {
      "date": "1908-03-13",
      "kind": "building contract",
      "description": "E. J. Robinson contracted for all work except plumbing, electrical work, mantels, gas logs, fixtures and shades on three-storey and basement flats.",
      "source": "loc-sf-call-1908-03-13"
    }
  ]
}