{
  "address": "77–83 Colton Street, San Francisco, CA 94103",
  "path": "/san-francisco/mission/colton-street/77/",
  "apn": "3505026",
  "block": "3505",
  "lot": "026",
  "eas_baseid": "357738",
  "coordinates": {
    "lat": 37.772941,
    "lng": -122.420083
  },
  "address_range": "77–83",
  "street_numbers_on_parcel": [
    "77",
    "79",
    "81",
    "83"
  ],
  "parcel": {
    "year_built": 1908,
    "units": 4,
    "stories": 2,
    "rooms": 16,
    "bathrooms": 4,
    "lot_area_sqft": 1720,
    "building_area_sqft": 2784,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 4 units or less",
    "construction_type_code": "D",
    "zoning": "CM",
    "supervisor_district": 6,
    "assessor_neighborhood": "South of Market",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "0083 0077 COLTON              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 739248,
    "assessed_improvement_value": 570544,
    "last_sale_date": "2002-05-10"
  },
  "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": "1908",
    "survey_name": "77-83 Colton Street",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202111303339",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2021-11-30",
      "status_date": "2022-11-10",
      "estimated_cost": 13700,
      "revised_cost": 13700,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "202008041050",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "2020-08-04",
      "status_date": "2020-10-14",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "tiebacks for 53 colton st.",
      "source": "sf-building-permits"
    },
    {
      "number": "201502259295",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-02-25",
      "status_date": "2016-03-23",
      "estimated_cost": 4500,
      "revised_cost": 4500,
      "description": "cosmetic upgrade of kitchen - like for like; rep;lace cabinets and countertops; to comply with cec150.0(k)3",
      "source": "sf-building-permits"
    },
    {
      "number": "201501095328",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2015-01-09",
      "status_date": "2015-01-16",
      "estimated_cost": 12000,
      "revised_cost": 12000,
      "description": "replace 24 windows. all windows same size, operation and location. replace in-kind. six street facing windows to be replaced with fiberglass. eighteen windows to be replaced with vinyl.",
      "source": "sf-building-permits"
    },
    {
      "number": "201410148798",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2014-10-14",
      "status_date": "2016-03-23",
      "estimated_cost": 114000,
      "revised_cost": 114000,
      "description": "cosmetic upgrade of kitchens and baths; remodel 3 kitchens and 3 baths total; replacing fixtures, cabinets, countertops. no change wall, size and openings; one kitchen each unit total; to comply with cec150.0(k)3 & 5",
      "source": "sf-building-permits"
    },
    {
      "number": "M175825",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2009-08-07",
      "status_date": "2009-08-07",
      "revised_cost": 1,
      "description": "street space & sidewalk permit only.",
      "source": "sf-building-permits"
    },
    {
      "number": "9722347",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1997-11-05",
      "status_date": "1999-11-22",
      "estimated_cost": 3700,
      "description": "reroofing",
      "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=COLTON&street_type=ST&address_number=77",
      "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=3505026&$order=closed_roll_year%20DESC&$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=3505&lot=026",
      "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=3505026",
      "retrieved": "2026-07-31"
    },
    {
      "id": "market-octavia-survey-forms",
      "name": "Page & Turnbull for the San Francisco Planning Department, Market & Octavia Augmentation Survey, DPR 523 survey forms, fieldwork 2006, evaluations by Kelley & VerPlanck 2010",
      "query": "https://sfplanning.org/sites/default/files/documents/preserv/DPRforms/Colton%2077-83.pdf",
      "listing": "https://sfplanning.org/historic-preservation-survey-forms-dpr523",
      "label": "Market & Octavia Survey DPR 523 form, 2006–2010",
      "retrieved": "2026-09-03"
    }
  ],
  "historic_survey": [
    {
      "survey": "Market & Octavia Survey (2006–2010)",
      "source": "market-octavia-survey-forms",
      "proposed_status_code": "6Z",
      "status_code_meaning": "Found ineligible for the National Register, the California Register and local designation through survey evaluation.",
      "style": "Classical Revival",
      "year_built_as_surveyed": "1908"
    }
  ]
}