{
  "address": "15–19 Prosper Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/prosper-street/15/",
  "apn": "3564096",
  "block": "3564",
  "lot": "096",
  "eas_baseid": "359878",
  "coordinates": {
    "lat": 37.764077,
    "lng": -122.431605
  },
  "address_range": "15–19",
  "street_numbers_on_parcel": [
    "15",
    "17",
    "19"
  ],
  "also_addressed": [
    "3531 16TH ST"
  ],
  "parcel": {
    "year_built": 1905,
    "units": 6,
    "stories": 3,
    "rooms": 30,
    "bathrooms": 6,
    "bedrooms": 10,
    "lot_area_sqft": 3105,
    "building_area_sqft": 8118,
    "lot_depth_ft": 3.5,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RM-1",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0019 0015 PROSPER             ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1551236,
    "assessed_improvement_value": 664815,
    "last_sale_date": "2022-12-28"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unevaluated",
    "reason": "Historic Survey Result and 45 years or older",
    "yearbuilt": "1905",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202309206982",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-09-20",
      "status_date": "2023-10-13",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "(work performed in one unit) replace approx 20' x 9' (e) plaster wall. replace w/ 2 layers 5/8 type x as needed. (area is at living room near stair)",
      "source": "sf-building-permits"
    },
    {
      "number": "202305318954",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-05-31",
      "status_date": "2024-01-31",
      "estimated_cost": 35000,
      "revised_cost": 55000,
      "description": "kitchen and bathroom remodeling @ same location",
      "source": "sf-building-permits"
    },
    {
      "number": "202302232440",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-02-23",
      "status_date": "2023-06-16",
      "estimated_cost": 4785,
      "revised_cost": 4785,
      "description": "revision to pa# 201705025454, foundation changes to match field conditions.",
      "source": "sf-building-permits"
    },
    {
      "number": "202301049670",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-01-04",
      "status_date": "2023-10-11",
      "estimated_cost": 25000,
      "revised_cost": 65767,
      "description": "remove/replace in kind (2) existing bathrooms & (1) existing kitchen.",
      "source": "sf-building-permits"
    },
    {
      "number": "202107234997",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-07-23",
      "status_date": "2023-06-16",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "commencement of work not started under previously approved permit pa# 201705025454",
      "source": "sf-building-permits"
    },
    {
      "number": "201705025454",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-05-02",
      "status_date": "2023-05-19",
      "estimated_cost": 20000,
      "revised_cost": 88500,
      "description": "soft story retrofit per sfebc chpater 4d 2016 cebc appendix a-4",
      "source": "sf-building-permits"
    },
    {
      "number": "200605081005",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2006-05-08",
      "status_date": "2006-05-08",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "M26785",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2004-03-19",
      "status_date": "2004-03-19",
      "revised_cost": 0,
      "description": "sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "8707676",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1987-06-03",
      "status_date": "1989-08-14",
      "estimated_cost": 1500,
      "description": "remove kitchen appliances & cabinets, bathroom fixtures.",
      "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=PROSPER&street_type=ST&address_number=15",
      "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=3564096&$order=closed_roll_year%20DESC&$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=3564&lot=096",
      "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=3564096",
      "retrieved": "2026-07-28"
    },
    {
      "id": "eureka-valley-context-statement",
      "name": "Elaine B. Stiles, Eureka Valley Historic Context Statement, prepared for the Eureka Valley Neighborhood Association, adopted by the Historic Preservation Commission December 20, 2017",
      "query": "http://default.sfplanning.org/Preservation/EurekaValleyHCS/hp_eureka_valley_hcs_HCS_FINAL-122017.pdf",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Eureka Valley Historic Context Statement, adopted 2017",
      "retrieved": "2026-08-14"
    }
  ],
  "historic_survey": {
    "survey": "Eureka Valley Historic Context Statement (2017)",
    "source": "eureka-valley-context-statement",
    "style": "Classical Revival",
    "note": "Illustrated in the statement's survey of Eureka Valley property types and architectural styles. The statement is reconnaissance-level and says inclusion in it is not a judgement on a building's worthiness for preservation. It records it as a six-flat."
  }
}