{ "address": "24 Hartford Street, San Francisco, CA 94114", "path": "/san-francisco/castro/hartford-street/24/", "hook": "A 1900 house remodelled 2015–2020 with a new foundation and reconfigured upper floors.", "apn": "3582039", "block": "3582", "lot": "039", "eas_baseid": "360713", "coordinates": { "lat": 37.762098, "lng": -122.434289 }, "parcel": { "year_built": 1900, "use": "Single Family Residential", "property_class": "Dwelling", "units": 1, "stories": 2, "rooms": 7, "bathrooms": 1, "bedrooms": 3, "construction_type_code": "D", "lot_area_sqft": 2550, "building_area_sqft": 1240, "zoning": "RH-3", "supervisor_district": 8, "assessor_neighborhood": "Eureka Valley/Dolores Heights", "analysis_neighborhood": "Castro/Upper Market" }, "assessment": { "roll_year": 2025, "assessed_land_value": 2628383, "assessed_improvement_value": 1126449, "last_sale_date": "2017-10-20" }, "historic_status": { "ceqa_status_code": "A", "ceqa_status_code_article_10_11": "A", "ceqa_status_label": "Historic resource", "reason": "California Register Historic District", "yearbuilt": "1900", "in_article_10_11_historic_district": false, "source": "sf-planning" }, "historic_district": { "name": "Hartford Street Historic District", "california_register_status": "Eligible (not listed)", "national_register_status": "Not listed", "article_10_11_status": "No local landmark protection", "period_of_significance": "1900-1902", "significance_note": "Significant under Criterion 3 for its association with master builder Fernando Nelson, as an early 20th-century Victorian-era residential tract development.", "source": "sf-historic-districts" }, "permits": [ { "number": "201906143454", "type": "otc alterations permit", "status": "complete", "filed": "2019-06-14", "completed": "2020-11-17", "estimated_cost": 1, "description": "(n) hot tub at (e) roof deck: no work required to (e) structure.", "source": "sf-building-permits", "description_edited": "Hot tub added to the roof deck." }, { "number": "201609289037", "type": "otc alterations permit", "status": "complete", "filed": "2016-09-28", "completed": "2017-09-26", "estimated_cost": 1, "description": "revision to 201510089174, revised front elevation drawings to include new trims, detail, windows and siding information to reflect original historic materials", "source": "sf-building-permits", "description_edited": "Front elevation drawings revised to reflect original historic materials — trim, details, windows, and siding." }, { "number": "201601288182", "type": "otc alterations permit", "status": "complete", "filed": "2016-01-28", "completed": "2017-09-26", "estimated_cost": 3600, "revised_cost": 5000, "description": "revision to 2015-0918-7463 add 2 windows & relocate wet bar @ 1st floor. replace exterior sliding door with window & relocate kitchen and dining room at 2nd floor. add 3 skylights. revise structural details for entry stairs", "source": "sf-building-permits", "description_edited": "Interior remodel continued — new windows and a relocated wet bar on the first floor, reconfigured kitchen and dining on the second floor, three skylights, and revised entry stairs." }, { "number": "201510089174", "type": "otc alterations permit", "status": "complete", "filed": "2015-10-08", "completed": "2017-09-26", "estimated_cost": 290000, "revised_cost": 298000, "description": "revision to pa 2015-0918-7463, infill area 2nd fl @ rear yard. remodel area behind garate to include 1 bedroom, 1.5 baths, family room, laundry. reconfigure 2nd fl to include living, dining, kitchen, half bath. reconfigure 3rd fl to include 2 bedrooms, 2 bath, roof deck, add 3 dormers", "source": "sf-building-permits", "description_edited": "Major remodel — the second floor infilled at the rear, the area behind the garage rebuilt with a bedroom, family room, and laundry, the second floor reconfigured for living and dining, and the third floor reconfigured with two bedrooms, two baths, a roof deck, and three dormers." }, { "number": "201509187463", "type": "otc alterations permit", "status": "complete", "filed": "2015-09-18", "completed": "2017-09-26", "estimated_cost": 50000, "revised_cost": 100000, "description": "foundation replacement & lower the foundations and slab. temporary shoring to facilitate excavation and construction of (n) foundation.", "source": "sf-building-permits", "description_edited": "Foundation replaced and lowered, with temporary shoring for the excavation." }, { "number": "201506300350", "type": "otc alterations permit", "status": "complete", "filed": "2015-06-30", "completed": "2017-09-26", "estimated_cost": 45000, "description": "repair dry rot in garage and 1/f level of home. remove dry wall/ lath & plaster and replace in-kind. replace grage slab in basement throughout. exploratory work, replace fire rated ceiling in garage, no foundation work/alterations.", "source": "sf-building-permits", "description_edited": "Dry rot repaired in the garage and first floor — drywall and lath-and-plaster replaced in kind, the garage slab replaced, and the garage's fire-rated ceiling replaced." } ], "permits_omitted": { "count": 1, "reason": "nominal $1 street-space permit", "numbers": [ "M639467" ] }, "sources": [ { "id": "sf-eas-addresses", "name": "SF Enterprise Addressing System via DataSF", "query": "https://data.sfgov.org/resource/3mea-di5p.json?street_name=HARTFORD&street_type=ST&address_number=24", "retrieved": "2026-07-27" }, { "id": "sf-assessor-roll", "name": "SF Office of the Assessor-Recorder via DataSF (2025 secured roll)", "query": "https://data.sfgov.org/resource/wv5m-vpq2.json?parcel_number=3582039&$order=closed_roll_year%20DESC&$limit=1", "retrieved": "2026-07-27" }, { "id": "sf-building-permits", "name": "SF Dept. of Building Inspection via DataSF", "query": "https://data.sfgov.org/resource/i98e-djp9.json?block=3582&lot=039", "retrieved": "2026-07-27" }, { "id": "sf-planning", "name": "SF Planning Department — Historic Resource Status by Parcel via DataSF", "query": "https://data.sfgov.org/resource/3tsw-4idn.json?apn=3582039", "retrieved": "2026-07-27" }, { "id": "sf-historic-districts", "name": "SF Planning Department — Historic Districts via DataSF", "query": "https://data.sfgov.org/resource/63x5-g3m4.json?$where=intersects(the_geom,%20%27POINT(-122.43428885117083%2037.76209770100128)%27)", "retrieved": "2026-07-27" }, { "id": "eureka-valley-context-statement", "name": "Elaine B. Stiles, Eureka Valley Historic Context Statement, prepared for the Eureka Valley Neighborhood Association, adopted by the Historic Preservation Commission December 20, 2017", "query": "http://default.sfplanning.org/Preservation/EurekaValleyHCS/hp_eureka_valley_hcs_HCS_FINAL-122017.pdf", "listing": "https://sfplanning.org/project/sf-histories-historic-context-statements#completed", "label": "Eureka Valley Historic Context Statement, adopted 2017", "retrieved": "2026-08-14" } ], "historic_survey": { "survey": "Eureka Valley Historic Context Statement (2017)", "source": "eureka-valley-context-statement", "style": "Queen Anne, some altered", "year_built_as_surveyed": "1901-1902", "address_as_surveyed": "20-64 Hartford Street", "note": "Listed among the houses Fernando Nelson built in Eureka Valley. The statement is reconnaissance-level and says inclusion in it is not a judgement on a building's worthiness for preservation. It records the row as single-storey end-gable dwellings with entry porch and bay window, and names Nelson's Hartford Street houses as a concentration of developer housing worth studying as a potential historic district. The recommendations print the range as 2-64 Hartford; the builder table prints it as 20-64." }, "building": { "builder": "Fernando Nelson" } }