{
  "address": "53–55 Walter Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/walter-street/53/",
  "apn": "3538080",
  "block": "3538",
  "lot": "080",
  "eas_baseid": "358639",
  "coordinates": {
    "lat": 37.768334,
    "lng": -122.432056
  },
  "address_range": "53–55",
  "street_numbers_on_parcel": [
    "53",
    "55"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 3,
    "stories": 3,
    "rooms": 16,
    "bathrooms": 3,
    "lot_area_sqft": 3123,
    "building_area_sqft": 4170,
    "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": "0055 0053 WALTER              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 756168,
    "assessed_improvement_value": 1645708,
    "last_sale_date": "2013-07-19"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District, Historic Survey Result",
    "yearbuilt": "1900",
    "survey_name": "53-55 Walter Street",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Duboce Triangle Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "ca 1870–ca 1920",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "202309217122",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-09-21",
      "status_date": "2024-01-19",
      "estimated_cost": 12000,
      "revised_cost": 21048,
      "description": "revision to pa# 201805229818. 1st fl only. add wetbar and half bath. no structural work.",
      "source": "sf-building-permits"
    },
    {
      "number": "202308033642",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-08-03",
      "status_date": "2024-01-19",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa#202109148434. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "202308033646",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-08-03",
      "status_date": "2024-05-14",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa# 201805229818. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "202308033647",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-08-03",
      "status_date": "2024-05-16",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa #202010136418, #202101213034, #202001131779. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "202112094070",
      "type": "otc alterations permit",
      "status": "withdrawn",
      "filed": "2021-12-09",
      "status_date": "2023-08-14",
      "estimated_cost": 29750,
      "revised_cost": 0,
      "description": "create new 8' wide garage door for two off-street spaces. garage door to be located below ground level of (e) residence. install new curb cut.",
      "source": "sf-building-permits"
    },
    {
      "number": "202109208735",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-09-20",
      "status_date": "2023-06-05",
      "estimated_cost": 21000,
      "revised_cost": 21000,
      "description": "install new hybrid automatic and manual alarm wireless fire alarm system. sprinkler 202012100799",
      "source": "sf-building-permits"
    },
    {
      "number": "202109148434",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2021-09-14",
      "status_date": "2024-01-19",
      "estimated_cost": 19525,
      "revised_cost": 19525,
      "description": "new deck 30\" above grade @ rear, not visible from street, new retaining wall at deck",
      "source": "sf-building-permits"
    },
    {
      "number": "202108176527",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2021-08-17",
      "status_date": "2021-11-04",
      "estimated_cost": 4160,
      "revised_cost": 4160,
      "description": "design, provide and install dedicated function sprinkler monitoring system sprinkler ref 202012100799",
      "source": "sf-building-permits"
    },
    {
      "number": "202101213034",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2021-01-21",
      "status_date": "2024-05-20",
      "estimated_cost": 115000,
      "revised_cost": 120000,
      "description": "new private roof deck above (e) 4th floor unit. roof deck to be accessed via private open stair and will be 500sf.",
      "source": "sf-building-permits"
    },
    {
      "number": "202012100799",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-12-10",
      "status_date": "2023-06-05",
      "estimated_cost": 58968,
      "revised_cost": 60000,
      "description": "install new fire sprinkler system throughout building per nfpa 13 including 2\" dedicated fire service (total sprinklers 108)",
      "source": "sf-building-permits"
    },
    {
      "number": "202010136418",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-10-13",
      "status_date": "2024-01-19",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "provide temporary building shoring & excavation sequence",
      "source": "sf-building-permits"
    },
    {
      "number": "M1200807",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2020-03-02",
      "status_date": "2020-03-02",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "202001131779",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-01-13",
      "status_date": "2024-01-19",
      "estimated_cost": 1000,
      "revised_cost": 1000,
      "description": "remove lath & laster and kitchen, living bathrooms for structural investigationg. repair & replace inkin after investigation.",
      "source": "sf-building-permits"
    },
    {
      "number": "201805229818",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2018-05-22",
      "status_date": "2024-01-19",
      "estimated_cost": 360000,
      "revised_cost": 950000,
      "description": "vert & horiz addition. interior remodel; reconfigure kitchens, baths, (n) rear addition with decks,existing egress stair facing rear yard. raise existing home by 14\" .convert portion of interior storage space to new dwelling unit. replace (e) foundation, full seismic upgrade to bldg.",
      "source": "sf-building-permits"
    },
    {
      "number": "201608124946",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-08-12",
      "status_date": "2016-08-12",
      "estimated_cost": 5500,
      "revised_cost": 5500,
      "description": "abate complaint 201615442 - wood sash repracelment/repair as necessary",
      "source": "sf-building-permits"
    },
    {
      "number": "201606230670",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-06-23",
      "status_date": "2017-03-02",
      "estimated_cost": 7000,
      "revised_cost": 7000,
      "description": "replace damaged window frames, repair damaged siding, repair damaged drain pipes, fix peeling faint and water damage per complaint 201615442 dated 5/10/2016, items 2-8.",
      "source": "sf-building-permits"
    },
    {
      "number": "201506027805",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-06-02",
      "status_date": "2015-12-04",
      "estimated_cost": 8000,
      "revised_cost": 9100,
      "description": "remodel existing bathroom in kind, change bath tub, shower valve and floor tile",
      "source": "sf-building-permits"
    },
    {
      "number": "M543887",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-12-17",
      "status_date": "2014-12-17",
      "revised_cost": 248,
      "description": "change address from 55a walter st to 53a walter st, original address was 53a walter st.",
      "source": "sf-building-permits"
    },
    {
      "number": "201412053164",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-12-05",
      "status_date": "2015-03-13",
      "estimated_cost": 5500,
      "revised_cost": 22350,
      "description": "remove existing kitchen cabinets and replace with new. new dishwasher, stove and sink.",
      "source": "sf-building-permits"
    },
    {
      "number": "9414868",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1994-09-15",
      "status_date": "1995-01-14",
      "estimated_cost": 800,
      "description": "repair rotted flooring studs siding and sheet rock in bathrm",
      "source": "sf-building-permits"
    },
    {
      "number": "9408661",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1994-06-01",
      "status_date": "1994-10-04",
      "estimated_cost": 500,
      "description": "repair rear wood stair stepping & stringer where needed.",
      "source": "sf-building-permits"
    },
    {
      "number": "9202133",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1992-02-10",
      "status_date": "1992-05-06",
      "estimated_cost": 1,
      "description": "renew appn. #9110024",
      "source": "sf-building-permits"
    },
    {
      "number": "9122795",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1991-12-02",
      "status_date": "1992-05-11",
      "estimated_cost": 9000,
      "description": "construct spiral stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "9110024",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1991-06-07",
      "status_date": "1991-12-06",
      "estimated_cost": 500,
      "revised_cost": 1000,
      "description": "to remove partition wall as per plan.",
      "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=WALTER&street_type=ST&address_number=53",
      "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=3538080&$order=closed_roll_year%20DESC&$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=3538&lot=080",
      "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=3538080",
      "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(-122.43205555766068%2037.768333898968315)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}