{
  "address": "51 Prosper Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/prosper-street/51/",
  "apn": "3564031",
  "block": "3564",
  "lot": "031",
  "eas_baseid": "359821",
  "coordinates": {
    "lat": 37.763498,
    "lng": -122.431428
  },
  "parcel": {
    "year_built": 1906,
    "units": 5,
    "stories": 2,
    "rooms": 15,
    "bathrooms": 5,
    "lot_area_sqft": 1999,
    "building_area_sqft": 2704,
    "use": "Multi-Family Residential",
    "property_class": "Flats 5 to 14 units",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 0051 PROSPER             ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1146446,
    "assessed_improvement_value": 491323,
    "last_sale_date": "2013-06-13"
  },
  "historic_status": {
    "ceqa_status_code": "B",
    "ceqa_status_code_article_10_11": "B",
    "ceqa_status_label": "Unevaluated",
    "reason": "No evaluation and 45 years or older",
    "yearbuilt": "1906",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202507150825",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-07-15",
      "status_date": "2025-07-29",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to pa # 2024-0313-7677. replace 6x 12 beam with psl beam spanning between existing reinforced concrete grade beam.",
      "source": "sf-building-permits"
    },
    {
      "number": "202403137677",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-03-13",
      "status_date": "2025-07-29",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "add staircase between one unit living room & one unit laundry area. remove (e) kitchen in one unit and convert to (n) bedroom",
      "source": "sf-building-permits"
    },
    {
      "number": "202307121995",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-07-12",
      "status_date": "2023-07-27",
      "estimated_cost": 5500,
      "revised_cost": 5560,
      "description": "two units: run dedicated circuit to (n) oven @ 240v. open walls, frame, drywall and paint. one unit only: replace faucet and gd.",
      "source": "sf-building-permits"
    },
    {
      "number": "202207057730",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2022-07-05",
      "status_date": "2023-02-28",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "upgrade main electrical panel for entire building/ new 400 amp remodel one unit bathroom and kitchen and complete remodel work for #3 kitchen and bathroom work.",
      "source": "sf-building-permits"
    },
    {
      "number": "201503160924",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-03-16",
      "status_date": "2015-06-19",
      "estimated_cost": 7300,
      "revised_cost": 32000,
      "description": "comply with mandatory soft story sfbc 34c 2012 iebc app a4",
      "source": "sf-building-permits"
    },
    {
      "number": "M462167",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-02-07",
      "status_date": "2014-02-07",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M451648",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-12-16",
      "status_date": "2013-12-16",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201311182151",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-11-18",
      "status_date": "2014-08-20",
      "estimated_cost": 7200,
      "revised_cost": 10000,
      "description": "replace existing sleefered floor and slab at rear unit of ground floor partial foundation replacement. revision to appl #2013.08.14.4255 -new shear walls, holddowns at rear 1/2 of bldg per plans.",
      "source": "sf-building-permits"
    },
    {
      "number": "201309308044",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-09-30",
      "status_date": "2014-08-20",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "additional sporadic termite damage 25'x12' on south side replace siding with harde plank.",
      "source": "sf-building-permits"
    },
    {
      "number": "201308144255",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-08-14",
      "status_date": "2014-08-20",
      "estimated_cost": 48000,
      "revised_cost": 48000,
      "description": "replace existing sleepered floor & slab at rear unit of ground floor, partial foundation replacement.",
      "source": "sf-building-permits"
    },
    {
      "number": "201307192322",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-07-19",
      "status_date": "2013-07-31",
      "estimated_cost": 2000,
      "revised_cost": 2000,
      "description": "replace heavy single panel garage door with modern sectional one with automatic opener for disabled access.",
      "source": "sf-building-permits"
    },
    {
      "number": "201007196890",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2010-07-19",
      "status_date": "2010-09-07",
      "estimated_cost": 4700,
      "revised_cost": 4700,
      "description": "one unit -code correction of violation notice #201041634: convert portion of existing garage into entry vestibule. add new door at exterior wall to access existing exit pathway.",
      "source": "sf-building-permits"
    },
    {
      "number": "200802215267",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-02-21",
      "status_date": "2008-03-07",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "to correct his nov# 200844731, item# 2. replace damage wood on back stairs, less than 50% of stairs.",
      "source": "sf-building-permits"
    },
    {
      "number": "200603227280",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2006-03-22",
      "status_date": "2006-03-24",
      "estimated_cost": 6500,
      "revised_cost": 6500,
      "description": "reroofing.",
      "source": "sf-building-permits"
    },
    {
      "number": "M34155",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2005-09-01",
      "status_date": "2005-09-01",
      "revised_cost": 0,
      "description": "street space",
      "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=51",
      "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=3564031&$order=closed_roll_year%20DESC&$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=031",
      "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=3564031",
      "retrieved": "2026-07-28"
    }
  ]
}