{
  "address": "551–555 Duboce Avenue, San Francisco, CA 94117",
  "path": "/san-francisco/castro/duboce-avenue/551/",
  "apn": "3538058",
  "block": "3538",
  "lot": "058",
  "eas_baseid": "358621",
  "coordinates": {
    "lat": 37.769,
    "lng": -122.43259
  },
  "address_range": "551–555",
  "street_numbers_on_parcel": [
    "551",
    "553",
    "555"
  ],
  "also_addressed": [
    "8 WALTER ST"
  ],
  "parcel": {
    "year_built": 1906,
    "units": 9,
    "stories": 3,
    "rooms": 18,
    "bathrooms": 9,
    "bedrooms": 4,
    "lot_area_sqft": 2600,
    "building_area_sqft": 6006,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RH-3",
    "supervisor_district": 8,
    "assessor_neighborhood": "Duboce Triangle",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0555 0551 DUBOCE              AV0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 2952941,
    "assessed_improvement_value": 1763556,
    "last_sale_date": "2014-10-02"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A",
    "ceqa_status_label": "Historic resource",
    "reason": "California Register Historic District, Historic Resource Evaluation Response, Historic Survey Result",
    "yearbuilt": "1906",
    "survey_name": "551-555 Duboce Ave",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "historic_district": {
    "name": "Duboce Triangle Historic District",
    "california_register_status": "Eligible (not listed)",
    "national_register_status": "Not listed",
    "article_10_11_status": "No local landmark protection",
    "local_landmark_protection": false,
    "period_of_significance": "ca 1870–ca 1920",
    "source": "sf-historic-districts"
  },
  "permits": [
    {
      "number": "202606153178",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2026-06-15",
      "status_date": "2026-06-15",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "addressing permit only: purpose of this permit is to create the address 8 walter st. ref pa #201904269071. sub addresses for 551 ( three units), 553 ( three units) 555 ( three units) duboce ave are to be registered on this permit as well.",
      "source": "sf-building-permits"
    },
    {
      "number": "202510248091",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-10-24",
      "status_date": "2025-11-04",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "to obtain final inspection for work approved under pa# 201909200916. all work is complete.",
      "source": "sf-building-permits"
    },
    {
      "number": "202507231451",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-07-23",
      "status_date": "2025-08-28",
      "estimated_cost": 1,
      "revised_cost": 6178,
      "description": "as built change ref to pa# 202404240652: per inspector notes correct model of the wireless communicator, added a remote power supply near the facu, added 2 batteries to remote power supply",
      "source": "sf-building-permits"
    },
    {
      "number": "202404240652",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2024-04-24",
      "status_date": "2025-09-09",
      "estimated_cost": 3000,
      "revised_cost": 4247,
      "description": "tenant improvement fire alarm due to new adu in basement. monitor modules & horn strobes.facp, aes, smoke detector, pull station, & monitor modules to be relocated. install lf sounder strobe in adu units potential sleep area to comply w/ sffd 1103.7.6.1. ref pa 202306230762 & 201904269071",
      "source": "sf-building-permits"
    },
    {
      "number": "202308023531",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2023-08-02",
      "status_date": "2023-08-31",
      "estimated_cost": 10000,
      "revised_cost": 21871,
      "description": "install (24) new sprinklers throughout ground floor per nfpa#13, underground per nfpa#24. ref bap#201904269071 & 201809200916",
      "source": "sf-building-permits"
    },
    {
      "number": "202306230762",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-06-23",
      "status_date": "2025-09-09",
      "estimated_cost": 10000,
      "revised_cost": 20353,
      "description": "replace f/a system to comply with sffc 1103.7.6.1, replace (e) facp with (n) fire alarm control unit. install (n) aes rdaio com, smoke detector, manual pulls, monitoring modules to monitor aes radio, install lf sounders in all units/potential sleeping areas, replace motor bells with horn strobes",
      "source": "sf-building-permits"
    },
    {
      "number": "202202188350",
      "type": "otc alterations permit",
      "status": "reinstated",
      "filed": "2022-02-18",
      "status_date": "2022-06-27",
      "estimated_cost": 1,
      "revised_cost": 60000,
      "description": "commencent of work non started under 201709077264.",
      "source": "sf-building-permits"
    },
    {
      "number": "202009013143",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2020-09-01",
      "status_date": "2024-05-28",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "temporary building shoring for excavation to replace perimeter wall foundations and for alteration of existing framing for adu and new garage at ground floor. (building permit for construction is under separate apn:#201809200916)",
      "source": "sf-building-permits"
    },
    {
      "number": "M1204748",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2020-03-13",
      "status_date": "2020-03-13",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1173711",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-12-09",
      "status_date": "2019-12-09",
      "revised_cost": 0,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1136607",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-09-11",
      "status_date": "2019-09-11",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1137207",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-09-11",
      "status_date": "2019-09-11",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M1092967",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-06-10",
      "status_date": "2019-06-10",
      "revised_cost": 1,
      "description": "street space only",
      "source": "sf-building-permits"
    },
    {
      "number": "201906052615",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2019-06-05",
      "status_date": "2019-06-06",
      "estimated_cost": 30000,
      "revised_cost": 36837,
      "description": "one unit: remodel apartment, remodel kitchen and bath.",
      "source": "sf-building-permits"
    },
    {
      "number": "201904269071",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2019-04-26",
      "status_date": "2025-10-22",
      "estimated_cost": 110000,
      "revised_cost": 110000,
      "description": "convert (e) space at first floor to accessory studio dwelling unit per ord# 162-16.",
      "source": "sf-building-permits"
    },
    {
      "number": "201809200916",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "2018-09-20",
      "status_date": "2025-11-04",
      "estimated_cost": 450000,
      "revised_cost": 450000,
      "description": "convert existing storage to garage for five vehicles at ground level (first floor)",
      "source": "sf-building-permits"
    },
    {
      "number": "201709077264",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2017-09-07",
      "status_date": "2023-10-20",
      "estimated_cost": 139000,
      "revised_cost": 60000,
      "description": "soft story retrofit per 2016 cebc appendix a-4",
      "source": "sf-building-permits"
    },
    {
      "number": "M805508",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-07-07",
      "status_date": "2017-07-07",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M791947",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-06-01",
      "status_date": "2017-06-01",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M771527",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-03-28",
      "status_date": "2017-03-28",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M755407",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2017-01-23",
      "status_date": "2017-01-23",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M746667",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-12-14",
      "status_date": "2016-12-14",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M730107",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-10-14",
      "status_date": "2016-10-14",
      "revised_cost": 1,
      "description": "re-roofing",
      "source": "sf-building-permits"
    },
    {
      "number": "201609097249",
      "type": "additions alterations or repairs",
      "status": "issued",
      "filed": "2016-09-09",
      "status_date": "2017-02-07",
      "estimated_cost": 10000,
      "revised_cost": 60000,
      "description": "two units modification to 201606240829: interior remodel including 2 kitchen remodels and 2 full bath remodels. modification to pa# 2016/06/24/0829:",
      "source": "sf-building-permits"
    },
    {
      "number": "201607212985",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-07-21",
      "status_date": "2016-07-21",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "rev to 2016 0624 0829 - dry rot repair in kitchens & bathrooms.",
      "source": "sf-building-permits"
    },
    {
      "number": "201606240829",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-06-24",
      "status_date": "2016-06-24",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "one unit: remodel kitchen & bath; one unit: remodel kitchen & bath",
      "source": "sf-building-permits"
    },
    {
      "number": "M496127",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-06-13",
      "status_date": "2014-06-13",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M121484",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-06-02",
      "status_date": "2008-06-02",
      "revised_cost": 1,
      "description": "street space and sidewalk repair",
      "source": "sf-building-permits"
    },
    {
      "number": "M115087",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-04-02",
      "status_date": "2008-04-02",
      "revised_cost": 1,
      "description": "sidewalk permit only.",
      "source": "sf-building-permits"
    },
    {
      "number": "200006132571",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-06-13",
      "status_date": "2000-12-13",
      "estimated_cost": 6150,
      "revised_cost": 6150,
      "description": "add walls to crawl space in basement",
      "source": "sf-building-permits"
    },
    {
      "number": "200006021669",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2000-06-02",
      "status_date": "2000-06-21",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9010275",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1990-05-24",
      "status_date": "1990-05-31",
      "estimated_cost": 1000,
      "description": "foundation",
      "source": "sf-building-permits"
    },
    {
      "number": "8407028",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1984-06-28",
      "status_date": "1984-09-27",
      "estimated_cost": 5000,
      "description": "continuation of work & final inspec of appl #8312897",
      "source": "sf-building-permits"
    },
    {
      "number": "8312897",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1983-12-19",
      "status_date": "1984-07-05",
      "estimated_cost": 500,
      "description": "existing back stair repair.",
      "source": "sf-building-permits"
    },
    {
      "number": "8308032",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "1983-08-16",
      "status_date": "1984-01-25",
      "estimated_cost": 6000,
      "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=DUBOCE&street_type=AVE&address_number=551",
      "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=3538058&$order=closed_roll_year%20DESC&$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=3538&lot=058",
      "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=3538058",
      "retrieved": "2026-07-28"
    },
    {
      "id": "sf-historic-districts",
      "name": "SF Planning Department — Historic Districts via DataSF",
      "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.43258960983279%2037.76900037776568)%27)",
      "retrieved": "2026-07-28"
    }
  ]
}