{
  "address": "643 Hampshire Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/hampshire-street/643/",
  "apn": "4025010",
  "block": "4025",
  "lot": "010",
  "eas_baseid": "367417",
  "coordinates": {
    "lat": 37.761291,
    "lng": -122.407819
  },
  "parcel": {
    "year_built": 1900,
    "units": 2,
    "stories": 3,
    "rooms": 10,
    "bathrooms": 3,
    "bedrooms": 3,
    "lot_area_sqft": 2495,
    "building_area_sqft": 2534,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "NA",
    "zoning": "RH-2",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0000 0643 HAMPSHIRE           ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 827510,
    "assessed_improvement_value": 483409,
    "last_sale_date": "2007-10-31"
  },
  "historic_status": {
    "ceqa_status_code": "C",
    "ceqa_status_code_article_10_11": "C",
    "ceqa_status_label": "Not a historical resource",
    "reason": "Historic Survey Result",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "M602550",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-07-10",
      "status_date": "2015-07-10",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201008178996",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-08-17",
      "status_date": "2010-08-20",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "reconstruct foot of garage where it meets sidewalk. new grade beam under garage door. new curb cut approved by dpw. curb cut reduces width from 11 ft to 10 ft",
      "source": "sf-building-permits"
    },
    {
      "number": "M212626",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2010-07-23",
      "status_date": "2010-07-23",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "200901280989",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2009-01-28",
      "status_date": "2009-06-10",
      "estimated_cost": 10000,
      "revised_cost": 20000,
      "description": "revision to pa #200804018462, at 1st fl; demolished, rebuild bathroom, rebuild kitchen, replace & switch existing windows & door at rear of building, install new interior finishes inclding elect fixtures & outlets.",
      "source": "sf-building-permits"
    },
    {
      "number": "M148624",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-01-26",
      "status_date": "2009-01-26",
      "revised_cost": 1,
      "description": "street space permit only.",
      "source": "sf-building-permits"
    },
    {
      "number": "200804018462",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2008-04-01",
      "status_date": "2009-06-10",
      "estimated_cost": 80000,
      "revised_cost": 120000,
      "description": "interior remodel, new kitchen and bath on 2nd floor, new bath on 3rd floor and fill in skylight, retrofit and repair floor of lower unit, remove chimney, fill in window at ground floor garage (backyard). plumbing/electrical on separate permit.",
      "source": "sf-building-permits"
    },
    {
      "number": "200712311653",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "2007-12-31",
      "status_date": "2011-11-28",
      "estimated_cost": 100000,
      "revised_cost": 100000,
      "description": "1) new rear deck @ 3rd floor over 2nd floor deck & new stair. 2) interior remodel - 2 new bathrooms & new kitchen. (remodel kitchen & bath on 2nd floor & remodel of bath on 3rd floor). 3) remove fire escape @ front & replace window.",
      "source": "sf-building-permits"
    },
    {
      "number": "200506074383",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-06-07",
      "status_date": "2005-06-17",
      "estimated_cost": 2900,
      "revised_cost": 2900,
      "description": "horizontal addition- rev to pa 200505182799- design change - extend 42 sq ft balcony - increase balc",
      "source": "sf-building-permits"
    },
    {
      "number": "200505182799",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2005-05-18",
      "status_date": "2005-06-17",
      "estimated_cost": 4450,
      "revised_cost": 4450,
      "description": "remove (e0 ext. stairs and rebuild (n) ext. stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "9923236",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-10-30",
      "status_date": "1999-11-16",
      "estimated_cost": 14000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9923237",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1999-10-30",
      "status_date": "1999-11-16",
      "estimated_cost": 900,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9716037",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1997-08-20",
      "status_date": "1998-01-14",
      "estimated_cost": 9000,
      "description": "install vinyl siding to front & back of hse visible from str",
      "source": "sf-building-permits"
    },
    {
      "number": "9501644",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1995-02-07",
      "status_date": "1995-03-27",
      "estimated_cost": 1,
      "description": "revision to appl #9416252,add 2 skylights at roof of 3rd fl",
      "source": "sf-building-permits"
    },
    {
      "number": "9416252",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1994-10-05",
      "status_date": "1995-03-27",
      "estimated_cost": 3500,
      "description": "new walls and fire escape at upper floor",
      "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=HAMPSHIRE&street_type=ST&address_number=643",
      "retrieved": "2026-07-31"
    },
    {
      "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=4025010&$order=closed_roll_year%20DESC&$limit=1",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-building-permits",
      "name": "SF Dept. of Building Inspection via DataSF",
      "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=4025&lot=010",
      "retrieved": "2026-07-31"
    },
    {
      "id": "sf-planning",
      "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF",
      "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=4025010",
      "retrieved": "2026-07-31"
    }
  ]
}