{
  "address": "3420 Market Street, San Francisco, CA 94114",
  "path": "/san-francisco/castro/market-street/3420/",
  "apn": "2717055",
  "block": "2717",
  "lot": "055",
  "eas_baseid": "345045",
  "coordinates": {
    "lat": 37.756912,
    "lng": -122.442887
  },
  "parcel": {
    "year_built": 1957,
    "units": 13,
    "stories": 4,
    "rooms": 40,
    "bathrooms": 13,
    "lot_area_sqft": 10290,
    "building_area_sqft": 8367,
    "use": "Multi-Family Residential",
    "property_class": "Apartment 5 to 14 Units",
    "construction_type_code": "D",
    "zoning": "RM-1",
    "supervisor_district": 8,
    "assessor_neighborhood": "Twin Peaks",
    "analysis_neighborhood": "Castro/Upper Market",
    "property_location_raw": "0000 3420 MARKET              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 5354490,
    "assessed_improvement_value": 3569659,
    "last_sale_date": "2018-10-03"
  },
  "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": "1957",
    "in_article_10_11_historic_district": false,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202601123626",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2026-01-12",
      "status_date": "2026-04-21",
      "estimated_cost": 38000,
      "revised_cost": 38000,
      "description": "replace fire alarm system to meet sf/ca code & add lf horns inside all units & add wireless radio monitor",
      "source": "sf-building-permits"
    },
    {
      "number": "202505227108",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2025-05-22",
      "status_date": "2026-02-23",
      "estimated_cost": 60000,
      "revised_cost": 60000,
      "description": "existing decks repair/replacement, addition of new columns and exterior of deck. no dimension changes to decks.",
      "source": "sf-building-permits"
    },
    {
      "number": "202305258565",
      "type": "additions alterations or repairs",
      "status": "withdrawn",
      "filed": "2023-05-25",
      "status_date": "2026-03-18",
      "estimated_cost": 5000,
      "description": "fire alarm replacement system to comply with sffd ab#3.08 and ab# 2.01.",
      "source": "sf-building-permits"
    },
    {
      "number": "202109168534",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2021-09-16",
      "status_date": "2021-09-16",
      "estimated_cost": 36850,
      "revised_cost": 36850,
      "description": "reroofing. tear off (e) flat roofing approx 3,400 sq. ft., install new bse #28, nail down as new underlayment, apply modified bitumen torch down as final surface, all flashings will be replaced new",
      "source": "sf-building-permits"
    },
    {
      "number": "201809271648",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2018-09-27",
      "status_date": "2019-02-06",
      "estimated_cost": 20000,
      "revised_cost": 20000,
      "description": "work in one unit: remodel (1) kitchen and (1) bathroom. no work visible from the street. no alteration of wall, window, or door.",
      "source": "sf-building-permits"
    },
    {
      "number": "201703091098",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2017-03-09",
      "status_date": "2017-04-07",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "#8, #10, #12- new heaters",
      "source": "sf-building-permits"
    },
    {
      "number": "201610210890",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-10-21",
      "status_date": "2016-11-17",
      "estimated_cost": 6000,
      "revised_cost": 6000,
      "description": "like for like voluntary fire system replacement w/new control panel,smoke & heat det,pull stns @the same location.install monitor modules to tie-in (e)waterflow & tamper switches to new panel,tie-in(e)6 bells to new panel,install aes radio.",
      "source": "sf-building-permits"
    },
    {
      "number": "201610120038",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2016-10-12",
      "status_date": "2016-10-12",
      "estimated_cost": 500,
      "revised_cost": 500,
      "description": "three units: exploratory demo. remove heater vent coverf and confirm flu run on all 3 units. verify joist location on one unit.",
      "source": "sf-building-permits"
    },
    {
      "number": "201610049479",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-10-04",
      "status_date": "2016-12-20",
      "estimated_cost": 80000,
      "revised_cost": 80000,
      "description": "2nd floor interior renovation of one existing apartment. new lighting, electrical, plumbing, new heaters on three units. no work visible form street, no sprinkler or fire alarm.",
      "source": "sf-building-permits"
    },
    {
      "number": "201609288963",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-09-28",
      "status_date": "2016-10-19",
      "estimated_cost": 5000,
      "revised_cost": 5000,
      "description": "install 93' of 2\" brazgo copper underground piping to fire sprinkler nfpa 13r system",
      "source": "sf-building-permits"
    },
    {
      "number": "201606301294",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-06-30",
      "status_date": "2016-10-19",
      "estimated_cost": 7000,
      "revised_cost": 10000,
      "description": "install 18 new sprinklers for new dwelling unit & egress nfpa 13r; ti 201601217573.",
      "source": "sf-building-permits"
    },
    {
      "number": "201604255622",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-04-25",
      "status_date": "2016-06-14",
      "estimated_cost": 1,
      "revised_cost": 15000,
      "description": "to comply with nov 2016 08731: show location of (n) wall furnaces in bedrooms. six units. 2nd & 3rd floors",
      "source": "sf-building-permits"
    },
    {
      "number": "201604074225",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-04-07",
      "status_date": "2016-10-19",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "revision to app#2015-1026-0718. discovery of extg moment frames, modification to structural details.",
      "source": "sf-building-permits"
    },
    {
      "number": "201603283182",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-03-28",
      "status_date": "2016-06-14",
      "estimated_cost": 1,
      "revised_cost": 1,
      "description": "three units: minor revision to pa#201510270855 to clarify unit numbers and ductwork repairs.",
      "source": "sf-building-permits"
    },
    {
      "number": "201601217573",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2016-01-21",
      "status_date": "2016-10-19",
      "estimated_cost": 150000,
      "revised_cost": 150000,
      "description": "one new dwelling unit within (e) envelope, new kitchen and bath. new windows & doors visible from street. no sprinkler or f.a. under this application.",
      "source": "sf-building-permits"
    },
    {
      "number": "201510270855",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-10-27",
      "status_date": "2016-06-14",
      "estimated_cost": 40000,
      "revised_cost": 200000,
      "description": "demo of non structural walls, new cabinet, plumbing fixtures, electricatl fixtures, new wood flooring new balcony guardrail",
      "source": "sf-building-permits"
    },
    {
      "number": "201510260718",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2015-10-26",
      "status_date": "2016-10-19",
      "estimated_cost": 50000,
      "revised_cost": 50000,
      "description": "install (n) steel moment frames at garage for soft-story seismic retrofit in accordance w/sf mandatory soft-story program. design criteria per 2012 iebc appendix a-4",
      "source": "sf-building-permits"
    },
    {
      "number": "201107150310",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2011-07-15",
      "status_date": "2012-01-27",
      "estimated_cost": 125000,
      "revised_cost": 125000,
      "description": "deck over crawl space.repair light weight concrete deck over wood framed structure, replace terazzo stairs in kind , metal railing and lighting.",
      "source": "sf-building-permits"
    },
    {
      "number": "9717692",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1997-09-11",
      "status_date": "1997-10-08",
      "estimated_cost": 3500,
      "description": "repalce dryrot deck joist as necessary for two units",
      "source": "sf-building-permits"
    },
    {
      "number": "9716660",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1997-08-28",
      "status_date": "1997-09-16",
      "estimated_cost": 2500,
      "description": "replace dry rot joist for one unit",
      "source": "sf-building-permits"
    },
    {
      "number": "9713672",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "1997-07-23",
      "status_date": "1997-09-08",
      "estimated_cost": 12000,
      "description": "replace dryrot at southeast corner of exist job,ref #9711619",
      "source": "sf-building-permits"
    },
    {
      "number": "9711619",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1997-06-26",
      "status_date": "1997-12-25",
      "estimated_cost": 14000,
      "description": "replace dryrot 2x6 r.w. decking on nine decks",
      "source": "sf-building-permits"
    },
    {
      "number": "9308184",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1993-05-17",
      "status_date": "1993-09-28",
      "estimated_cost": 2000,
      "description": "iron gate installed will be opened manually",
      "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=MARKET&street_type=ST&address_number=3420",
      "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=2717055&$order=closed_roll_year%20DESC&$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=2717&lot=055",
      "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=2717055",
      "retrieved": "2026-07-28"
    }
  ]
}