{
  "address": "58–60 Walter Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/walter-street/58/",
  "apn": "3538069",
  "block": "3538",
  "lot": "069",
  "eas_baseid": "358630",
  "coordinates": {
    "lat": 37.76815,
    "lng": -122.432616
  },
  "address_range": "58–60",
  "street_numbers_on_parcel": [
    "58",
    "60"
  ],
  "parcel": {
    "year_built": 1906,
    "units": 4,
    "stories": 3,
    "rooms": 18,
    "bathrooms": 4,
    "lot_area_sqft": 2199,
    "building_area_sqft": 4012,
    "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": "0060A0058 WALTER              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1416100,
    "assessed_improvement_value": 1110529,
    "last_sale_date": "2003-08-21"
  },
  "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": "1906",
    "survey_name": "58 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": "202206297365",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-06-29",
      "status_date": "2022-08-01",
      "estimated_cost": 4000,
      "revised_cost": 4000,
      "description": "installation of a new sprinkler monitoring system. ref sprinkler permit 202106172732",
      "source": "sf-building-permits"
    },
    {
      "number": "202204071753",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-04-07",
      "status_date": "2022-09-02",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "fire sprinklers (as-built). add press fittings to plan per field inspector. ref permit 202106172732.",
      "source": "sf-building-permits"
    },
    {
      "number": "202106172732",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-06-17",
      "status_date": "2022-07-28",
      "estimated_cost": 9828,
      "revised_cost": 17000,
      "description": "install new fire sprinkler system per nfpa 13 throughout ground floor unit including new 2\" dedicated fire service per nfpa 24 (total sprinklers 18). ref # 2019-1126-8279",
      "source": "sf-building-permits"
    },
    {
      "number": "201911268279",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2019-11-26",
      "status_date": "2022-09-01",
      "estimated_cost": 20000,
      "revised_cost": 50000,
      "description": "add a new adu per ordinance 162-16. scope of work includes adding a shower, kitchenette, replace (2) windows, new fire sprinkler at ground level.",
      "source": "sf-building-permits"
    },
    {
      "number": "201403110384",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-03-11",
      "status_date": "2014-08-26",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "misc. improvements in compliance with physical insepction report cc-7565. maintain occupancy separation between garage/residential. no new openings. no windows. no doors.",
      "source": "sf-building-permits"
    },
    {
      "number": "M91810",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2007-10-19",
      "status_date": "2007-10-19",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "200410146749",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2004-10-14",
      "status_date": "2005-02-23",
      "estimated_cost": 5900,
      "revised_cost": 5900,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "200309094237",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2003-09-09",
      "status_date": "2004-01-12",
      "estimated_cost": 3500,
      "revised_cost": 4500,
      "description": "58 (upper unit) build one closet adjacent to bedroom, b&a (middle unit) remodel (e)) bathrm",
      "source": "sf-building-permits"
    },
    {
      "number": "200208285086",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2002-08-28",
      "status_date": "2002-12-13",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revise 1st sory bathroom configuration only. from#200101028984",
      "source": "sf-building-permits"
    },
    {
      "number": "200110029770",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-10-02",
      "status_date": "2002-01-29",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "construct 6\" fire wall, install w/d 220v, add toiler/sink/wall/pocklet door. pour new concrete",
      "source": "sf-building-permits"
    },
    {
      "number": "200101028984",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-01-02",
      "status_date": "2002-01-29",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "construct 1 hr. fire wall between toilet & garage. add door to non load bearing wall & to walk space",
      "source": "sf-building-permits"
    },
    {
      "number": "200101028972",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2001-01-02",
      "status_date": "2001-01-16",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "renew 2000/03/17/4678. for final inspection",
      "source": "sf-building-permits"
    },
    {
      "number": "200009080040",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-09-08",
      "status_date": "2001-01-03",
      "estimated_cost": 600,
      "revised_cost": 600,
      "description": "revision to application 20000317678 and 9818337, move window in master bath & replace steel frame w",
      "source": "sf-building-permits"
    },
    {
      "number": "200003174688",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-03-17",
      "status_date": "2000-07-28",
      "revised_cost": 2000,
      "description": "replace kitchen cabinets install new sink",
      "source": "sf-building-permits"
    },
    {
      "number": "200003174678",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-03-17",
      "status_date": "2000-09-17",
      "revised_cost": 15000,
      "description": "renewal of pa 9818332",
      "source": "sf-building-permits"
    },
    {
      "number": "9823897",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1998-11-18",
      "status_date": "2001-01-16",
      "estimated_cost": 3000,
      "description": "change grade in driveway/curb cut not exceed 10 feet in widt",
      "source": "sf-building-permits"
    },
    {
      "number": "9818332",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1998-09-14",
      "status_date": "2001-01-16",
      "estimated_cost": 40000,
      "description": "interior remodel of kitchen & bathrooms (2 floors) two units",
      "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=58",
      "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=3538069&$order=closed_roll_year%20DESC&$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=069",
      "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=3538069",
      "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(-122.43261558930618%2037.76814973558495)%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",
    "note": "A particularly well-preserved member of the row of post-quake flats on the east side of Walter Street between Duboce Avenue and 14th Street. Christopher VerPlanck's context statement of 2022 surveyed 552 properties in Duboce Triangle for the Duboce Triangle Neighborhood Association."
  }
}