{
  "address": "2731–2735 Folsom Street, San Francisco, CA 94110",
  "path": "/san-francisco/mission/folsom-street/2731/",
  "apn": "3640031",
  "block": "3640",
  "lot": "031",
  "eas_baseid": "363985",
  "coordinates": {
    "lat": 37.753578,
    "lng": -122.413809
  },
  "address_range": "2731–2735",
  "street_numbers_on_parcel": [
    "2731",
    "2733",
    "2735"
  ],
  "parcel": {
    "year_built": 1900,
    "units": 3,
    "stories": 3,
    "rooms": 19,
    "bathrooms": 9,
    "bedrooms": 10,
    "lot_area_sqft": 4974,
    "building_area_sqft": 5514,
    "use": "Multi-Family Residential",
    "property_class": "Flats & Duplex",
    "construction_type_code": "D",
    "zoning": "RH-2",
    "supervisor_district": 9,
    "assessor_neighborhood": "Inner Mission",
    "analysis_neighborhood": "Mission",
    "property_location_raw": "2735 2731 FOLSOM              ST0000"
  },
  "assessment": {
    "roll_year": 2025,
    "assessed_land_value": 1197600,
    "assessed_improvement_value": 798400,
    "last_sale_date": "2018-03-26"
  },
  "historic_status": {
    "ceqa_status_code": "A",
    "ceqa_status_code_article_10_11": "A*",
    "ceqa_status_label": "Historic resource",
    "reason": "Article 10 Individual Landmark, Historic Survey Result",
    "yearbuilt": "1900",
    "in_article_10_11_historic_district": true,
    "source": "sf-planning"
  },
  "permits": [
    {
      "number": "202303294584",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2023-03-29",
      "status_date": "2023-05-31",
      "estimated_cost": 46000,
      "revised_cost": 46000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "202003096577",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2020-03-09",
      "status_date": "2020-03-13",
      "estimated_cost": 2500,
      "revised_cost": 2500,
      "description": "reroofing. coat small flat roofing area using silicone roof sealant. repair 2-8 loose or broken shingles and ridge cap.",
      "source": "sf-building-permits"
    },
    {
      "number": "201911157393",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2019-11-15",
      "status_date": "2022-04-08",
      "estimated_cost": 2000,
      "revised_cost": 10000,
      "description": "correct cause of moisture intrusion inlclude concrete work as needed.repair various wood splitting as needed. repair finger jointed window sills as needed,replace failed sealant at window perimiter,repaint sills.",
      "source": "sf-building-permits"
    },
    {
      "number": "201909040579",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2019-09-04",
      "status_date": "2019-11-05",
      "estimated_cost": 10000,
      "revised_cost": 10000,
      "description": "add sound insulation at ceiling of 2nd fl at master bedroom only.",
      "source": "sf-building-permits"
    },
    {
      "number": "M468767",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2014-03-06",
      "status_date": "2014-03-06",
      "revised_cost": 1,
      "description": "renew street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "M450067",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-12-10",
      "status_date": "2013-12-10",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201310250260",
      "type": "additions alterations or repairs",
      "status": "complete",
      "filed": "2013-10-25",
      "status_date": "2014-06-12",
      "estimated_cost": 250000,
      "revised_cost": 550000,
      "description": "interior remodel at 2nd & 3rd story, associated structural remodel kitchens & bath, add 1/2 bath at 2nd story.and all work within envelope of bldg. no expansion. work at two units only.1 unit per floor (e)",
      "source": "sf-building-permits"
    },
    {
      "number": "201309177003",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-09-17",
      "status_date": "2014-06-12",
      "estimated_cost": 150000,
      "revised_cost": 180000,
      "description": "foundation replacement, interior remodel @ 1st story and associated structural work, remodel kitchen & bathrooms, add bath.",
      "source": "sf-building-permits"
    },
    {
      "number": "M423067",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-09-04",
      "status_date": "2013-09-04",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M413267",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-08-01",
      "status_date": "2013-08-01",
      "revised_cost": 1,
      "description": "street space permit",
      "source": "sf-building-permits"
    },
    {
      "number": "201306200016",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-06-20",
      "status_date": "2014-06-12",
      "estimated_cost": 15000,
      "revised_cost": 15000,
      "description": "exploratory demo, remove sheetrock for new insulation & electrical & living areas. replace with new sheetrock & paint at all 3 units",
      "source": "sf-building-permits"
    },
    {
      "number": "M378067",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-03-14",
      "status_date": "2013-03-14",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "M368867",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2013-01-29",
      "status_date": "2013-01-29",
      "revised_cost": 1,
      "description": "street space",
      "source": "sf-building-permits"
    },
    {
      "number": "201301248710",
      "type": "otc alterations permit",
      "status": "complete",
      "filed": "2013-01-24",
      "status_date": "2013-05-01",
      "estimated_cost": 15000,
      "revised_cost": 22000,
      "description": "nov correction pa in-kind egress stair replacement w/ minor modifications for code compliance. front & rear stair. nov correction items #'s 201175573, 201176254. 201271741. 200922446, 200448382 & 20126580.",
      "source": "sf-building-permits"
    },
    {
      "number": "201212055482",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2012-12-05",
      "status_date": "2012-12-06",
      "estimated_cost": 25000,
      "revised_cost": 25000,
      "description": "comply with nov# 200922446-remove old stairs in front of building & replace with like in kind. remove front gate.",
      "source": "sf-building-permits"
    },
    {
      "number": "200811217162",
      "type": "otc alterations permit",
      "status": "cancelled",
      "filed": "2008-11-21",
      "status_date": "2026-01-27",
      "estimated_cost": 1200,
      "revised_cost": 0,
      "description": "comply with his nov 20048382, replace 3 story rear stairs",
      "source": "sf-building-permits"
    },
    {
      "number": "200807237406",
      "type": "otc alterations permit",
      "status": "issued",
      "filed": "2008-07-23",
      "status_date": "2008-07-23",
      "estimated_cost": 800,
      "revised_cost": 800,
      "description": "work @ one unit only. comply with his complaint# 200448382. repair dry rot @ rear stairs. less than 50% @ rear. no change to door or windows.",
      "source": "sf-building-permits"
    },
    {
      "number": "200607247357",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2006-07-24",
      "status_date": "2009-08-26",
      "estimated_cost": 400,
      "revised_cost": 400,
      "description": "patch & repair plaster holes in living room-1 unit. all interior repair.",
      "source": "sf-building-permits"
    },
    {
      "number": "200009231389",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "2000-09-23",
      "status_date": "2001-05-18",
      "estimated_cost": 3000,
      "revised_cost": 3000,
      "description": "remodel bathrm,new fixtures (n) sheetrocks",
      "source": "sf-building-permits"
    },
    {
      "number": "9917215",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1999-08-19",
      "status_date": "2000-01-19",
      "estimated_cost": 3000,
      "description": "remodel (e)bathrm",
      "source": "sf-building-permits"
    },
    {
      "number": "9715854",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1997-08-18",
      "status_date": "1999-03-01",
      "estimated_cost": 1800,
      "description": "bathroom repair",
      "source": "sf-building-permits"
    },
    {
      "number": "9620182",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1996-10-21",
      "status_date": "1997-08-21",
      "estimated_cost": 6000,
      "description": "reroofing",
      "source": "sf-building-permits"
    },
    {
      "number": "9202152",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1992-02-11",
      "status_date": "1993-04-08",
      "estimated_cost": 2500,
      "description": "horizontal addition",
      "source": "sf-building-permits"
    },
    {
      "number": "9004578",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1990-03-12",
      "status_date": "1990-12-07",
      "estimated_cost": 1100,
      "description": "deck extension at 2nd & 3rd floors",
      "source": "sf-building-permits"
    },
    {
      "number": "8905628",
      "type": "additions alterations or repairs",
      "status": "cancelled",
      "filed": "1989-04-10",
      "status_date": "1989-10-02",
      "estimated_cost": 250,
      "description": "repair existing gate & fence.",
      "source": "sf-building-permits"
    },
    {
      "number": "8801202",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1988-02-02",
      "status_date": "1989-02-08",
      "estimated_cost": 1500,
      "description": "new kitchen cabinets, replace bath fixtures, re #8715216",
      "source": "sf-building-permits"
    },
    {
      "number": "8715216",
      "type": "otc alterations permit",
      "status": "expired",
      "filed": "1987-10-22",
      "status_date": "1988-02-11",
      "estimated_cost": 500,
      "description": "repair & replace front stair trends",
      "source": "sf-building-permits"
    },
    {
      "number": "8413555",
      "type": "additions alterations or repairs",
      "status": "expired",
      "filed": "1984-12-31",
      "status_date": "1985-08-16",
      "estimated_cost": 2000,
      "description": "3 story rear-staircase will be removed (wood) & replaced",
      "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=FOLSOM&street_type=ST&address_number=2731",
      "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=3640031&$order=closed_roll_year%20DESC&$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=3640&lot=031",
      "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=3640031",
      "retrieved": "2026-07-31"
    },
    {
      "id": "progressive-era-styles-context-statement",
      "name": "Elena Moore, San Francisco Planning Department, Progressive Era & Early Revival Styles (1890-1930) Historic Context Statement, SF Survey Cultural Resources Survey, adopted January 18, 2023",
      "query": "https://citypln-m-extnl.sfgov.org/SharedLinks.aspx?accesskey=5c9487ef3fe2e54195baf95878f34c32e7a6e474ca0ff21bcf17fe715c68260a&VaultGUID=A4A7DACD-B0DC-4322-BD29-F6F07103C6E0",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Progressive Era & Early Revival Styles Historic Context Statement, adopted 2023",
      "retrieved": "2026-08-30"
    },
    {
      "id": "architecture-preservation-professionals-biographies",
      "name": "San Francisco Planning Department, Architecture, Planning, & Preservation Professionals: A Collection of Biographies (volume D–F), citywide historic context statement, adopted November 17, 2021, updated December 30, 2025",
      "query": "https://citypln-m-extnl.sfgov.org/SharedLinks.aspx?accesskey=5e61d57895f7a63a45f9a33bd3ee216f5a86bb2a19ca6b0ce2cc9f62584760da&VaultGUID=A4A7DACD-B0DC-4322-BD29-F6F07103C6E0",
      "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed",
      "label": "Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021",
      "retrieved": "2026-08-31"
    },
    {
      "id": "article-10-lm276",
      "name": "San Francisco Planning, Article 10 landmark designation: Landmark No. 276, Gaughran House (ordinance, Planning Commission resolution and landmark designation report)",
      "query": "https://sfplanninggis.org/docs/landmarks_and_districts/LM276.pdf",
      "label": "SF Planning, landmark designation",
      "retrieved": "2026-09-29"
    }
  ],
  "historic_survey": {
    "survey": "Progressive Era & Early Revival Styles Historic Context Statement (2023)",
    "source": "progressive-era-styles-context-statement",
    "style": "Beaux Arts Classicism",
    "finding": "Individually significant",
    "address_as_surveyed": "2731-2735 Folsom Street",
    "note": "The Gaughran House designed by Albert Pissis — a residential Beaux Arts building with intricately moulded balconies, a rusticated ground floor, a tripartite composition and arched openings, judged individually significant. The document's year for this building is 1900, which is what the assessor's roll gives the parcel, so it is not an independent date."
  },
  "building": {
    "architect": "Albert Pissis"
  },
  "historical_record": [
    {
      "date": "1899-09-07",
      "kind": "construction",
      "description": "A permit was filed for carpentry work on the building, estimated at $3,720; no original permit survives at the Department of Building Inspection.",
      "source": "article-10-lm276"
    },
    {
      "date": "1899-10-24",
      "kind": "construction",
      "description": "James Gaughran, the owner, applied to the Spring Valley Water Works for water service at the rate for three families.",
      "source": "article-10-lm276"
    },
    {
      "date": "1900",
      "kind": "construction",
      "description": "The building was completed for James Gaughran as three flats, among the last lots on its block to be built, beside the recently electrified Folsom Street streetcar line. Gaughran owned it until 1917.",
      "source": "article-10-lm276"
    },
    {
      "date": "1928-07-23",
      "kind": "alteration",
      "description": "The building was raised one foot on its foundation and given new back stairs, for $300.",
      "source": "article-10-lm276"
    },
    {
      "date": "1938–1950",
      "kind": "alteration",
      "description": "The rear exterior staircase was enclosed as living space and a new two-story exterior stair built.",
      "source": "article-10-lm276"
    },
    {
      "date": "2013",
      "kind": "alteration",
      "description": "The foundation was replaced and the three flats' interiors, kitchens and bathrooms were remodeled, under two permits filed that year for $180,000 and $550,000.",
      "source": "article-10-lm276"
    },
    {
      "date": "2017-12-05",
      "kind": "designation",
      "description": "Designated San Francisco Landmark No. 276, Gaughran House.",
      "source": "article-10-lm276"
    }
  ],
  "city_landmark": {
    "name": "Gaughran House",
    "number": 276,
    "source": "article-10-lm276"
  },
  "unknowns": [
    "The architect is also given as James Francis Dunn, not Albert Pissis."
  ],
  "photo": {
    "file": "assets/photo.jpg",
    "width": 1280,
    "height": 960,
    "title": "Gaughran House",
    "author": "DaleJCruse",
    "license": "CC BY-SA 4.0",
    "license_url": "https://creativecommons.org/licenses/by-sa/4.0",
    "cropped": true,
    "source_url": "https://commons.wikimedia.org/wiki/File:Gaughran_House.jpg",
    "retrieved": "2026-10-23"
  }
}