{
  "address": "3747–3749 17th Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/17th-street/3747/",
  "apn": "3580074",
  "block": "3580",
  "lot": "074",
  "eas_baseid": "360576",
  "coordinates": {
    "lat": 37.762548,
    "lng": -122.429524
  },
  "address_range": "3747–3749",
  "street_numbers_on_parcel": [
    "3747",
    "3749"
  ],
  "parcel": {
    "year_built": 1923,
    "stories": 2,
    "rooms": 6,
    "bathrooms": 2,
    "bedrooms": 3,
    "lot_area_sqft": 3480,
    "building_area_sqft": 1397,
    "basement_area_sqft": 3180,
    "use": "Single Family Residential",
    "property_class": "Dwelling",
    "construction_type_code": "NA",
    "zoning": "RM-1",
    "supervisor_district": 8,
    "assessor_neighborhood": "Eureka Valley/Dolores Heights",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "3749A3747 17TH                ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1837320,
    "assessed_improvement_value": 1159326,
    "last_sale_date": "2019-11-27"
  },
  "historic_status": {
    "ceqa_status_code": "C",
    "ceqa_status_code_article_10_11": "C",
    "ceqa_status_label": "Not a historical resource",
    "reason": "Historic Resource Evaluation Response",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202502110137",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2025-03-24",
      "status_date": "2025-10-14",
      "estimated_cost": 7500,
      "revised_cost": 7500,
      "description": "creat 3 codo residential units. section 188 alteration of (e) non conforming 1 story garage / residential storage structure to come a 2 story residential one unit. renovation of (e) 2nd floor residential one unit. additional 3rd floor expansion to create a residential one unit.",
      "source": "sf-building-permits"
    },
    {
      "number": "202406285513",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-06-28",
      "status_date": "2025-10-09",
      "estimated_cost": 10000,
      "revised_cost": 25511,
      "description": "new fire alarm installation to comply ith sffc 1103.7.6.1 install new facu aes radio, lcd announciator, heat detector, manual pull, monitor modules, and horn strobes,install lf sounders in all units potential sleeping areas to comply with sffd 1103-7-6-1 ref pa 202009144113 arch plans",
      "source": "sf-building-permits"
    },
    {
      "number": "202405242977",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-05-24",
      "status_date": "2025-10-14",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to pa# 2020-0914-4113 change facade to painted siding from stucco. change lower unit (3747 17th st) internal stair #4 to a spiral from l-shaped with pre engineered glass shoe rail. stair #3 to pre engineered glass. area. update drawings a0.01,a1.01,a1.02,a2.01,a6.02",
      "source": "sf-building-permits"
    },
    {
      "number": "202311221333",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-11-22",
      "status_date": "2025-11-04",
      "estimated_cost": 70000,
      "revised_cost": 70000,
      "description": "install new fire sprinkler sysem for nfpa 13 throughout the building included 2\" underground fire service. total = 96 heads. ref# 202009144113",
      "source": "sf-building-permits"
    },
    {
      "number": "202009144113",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2020-09-14",
      "status_date": "2025-10-14",
      "estimated_cost": 675000,
      "revised_cost": 1400000,
      "description": "sec. 188 alteration of (e) non conforming 1 story garage / residential storage structure to become a 3 story residential unit. renovation of existing 2nd floor residential unit. additional third floor expansion to create a residential unit. in total the existing single family home becomes 3 units.",
      "source": "sf-building-permits"
    },
    {
      "number": "200006051776",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-06-05",
      "status_date": "2000-10-05",
      "estimated_cost": 1850,
      "revised_cost": 1850,
      "description": "install 5 replacement windows rear of bldg",
      "source": "sf-building-permits"
    },
    {
      "number": "9916813",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-08-16",
      "status_date": "2000-02-16",
      "estimated_cost": 11000,
      "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=17TH&street_type=ST&address_number=3747",
      "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=3580074&$order=closed_roll_year%20DESC&$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=3580&lot=074",
      "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=3580074",
      "retrieved": "2026-07-28"
    }
  ]
}