{"name":"Flatiron Building","updated":"2026-05-15","facts":{"name":"Flatiron Building","shortName":"Flatiron","legalName":"Fuller Building","address":"175 Fifth Avenue, New York, NY 10010","coordinates":"40.741061,-73.989699","height":"285 ft","stories":"22 historic stories / 24 listed residential floors","built":"1902","opened":"1902","architects":"D. H. Burnham & Co.; Daniel Burnham and Frederick P. Dinkelberg","developer":"The Fuller Company","style":"Beaux-Arts steel-frame triangular skyscraper","register":"NYC Landmark 1966; National Register 1979; National Historic Landmark 1989","duration":"20-60 minutes for most exterior visits","price":"Exterior viewing is free; residential sales by appointment","residentialStatus":"Private residences designed by Studio Sofield; official marketing says occupancy this fall, while current public listings show Fall 2026 sales context."},"mapLinks":{"google":"https://www.google.com/maps/search/?api=1&query=40.741061%2C-73.989699","apple":"https://maps.apple.com/?ll=40.741061,-73.989699&q=Flatiron%20Building"},"pages":["/","/visit","/conditions","/activities","/history","/media","/blog","/sources","/faq"],"posts":[{"slug":"flatiron-building-visitor-guide","title":"Flatiron Building Visitor Guide: The Best Public Views in 30 Minutes","excerpt":"A precise exterior route for reading the Flatiron Building from Madison Square, Broadway, Fifth Avenue, and the Ladies' Mile edge.","category":"Visit Guide","publishedAt":"2026-05-15"},{"slug":"why-the-flatiron-building-shape-works","title":"Why the Flatiron Building Shape Works","excerpt":"The triangular site was not a gimmick. It made the building feel like motion at the exact point where Broadway cuts through the grid.","category":"Architecture","publishedAt":"2026-05-15"},{"slug":"flatiron-building-residential-conversion-status","title":"Flatiron Building Residential Conversion Status","excerpt":"How to talk about the office-to-residential conversion without blurring public landmark access and private residences.","category":"Market Context","publishedAt":"2026-05-15"},{"slug":"flatiron-building-photo-route","title":"A Three-Frame Flatiron Photo Route","excerpt":"The fast shot list: north prow, street context, and facade detail.","category":"Photo Field Notes","publishedAt":"2026-05-15"}],"faqs":[{"category":"Visit","questions":[{"id":"where-is-flatiron-building","question":"Where is the Flatiron Building?","answer":"The Flatiron Building is at 175 Fifth Avenue, New York, NY 10010, on the triangular block formed by Fifth Avenue, Broadway, East 22nd Street, and East 23rd Street."},{"id":"can-you-go-inside","question":"Can visitors go inside the Flatiron Building?","answer":"General public access should be treated as exterior-only. The current private-residence conversion and sales context are appointment-based, so do not assume lobby or interior access unless you have confirmed access through an official channel."},{"id":"best-view","question":"Where is the best view of the Flatiron Building?","answer":"The strongest public views are from Madison Square and the north side near the Broadway/Fifth Avenue split. Walk both the Broadway and Fifth Avenue sides to understand the triangular form."},{"id":"nearest-subway","question":"Which subway stops are nearest?","answer":"The R and W at 23rd Street are closest. The 6 at 23rd Street, F/M at 23rd Street, and PATH at 23rd Street are also nearby according to current public listing context."}]},{"category":"Architecture","questions":[{"id":"who-designed-flatiron","question":"Who designed the Flatiron Building?","answer":"The Flatiron Building was designed by D. H. Burnham & Co.; Daniel Burnham and Frederick P. Dinkelberg are associated with the project."},{"id":"when-built","question":"When was the Flatiron Building built?","answer":"It was completed and opened in 1902 as the Fuller Building, headquarters for the Fuller Company."},{"id":"why-triangular","question":"Why is the Flatiron Building triangular?","answer":"The building follows its triangular island block, where Broadway cuts diagonally across Fifth Avenue and East 22nd Street, with East 23rd Street grazing the north tip."},{"id":"how-tall","question":"How tall is the Flatiron Building?","answer":"The historic skyscraper is commonly cited as 285 feet tall with 22 stories, while current residential listing context may describe 24 floors."}]},{"category":"Landmark Status","questions":[{"id":"landmark-designation","question":"Is the Flatiron Building landmarked?","answer":"Yes. It was designated a New York City Landmark on September 20, 1966, added to the National Register of Historic Places in 1979, and designated a National Historic Landmark in 1989."},{"id":"landmark-protection","question":"Does landmark status prevent changes?","answer":"The 1966 LPC designation report explicitly notes that landmark designation does not freeze every storefront condition forever; appropriate exterior alterations can be reviewed through landmark procedures."}]},{"category":"Residences","questions":[{"id":"condo-conversion","question":"Is the Flatiron Building becoming residences?","answer":"Yes. Current official and listing sources describe a private-residence conversion involving the Brodsky Organization, The Sorgente Group, Corcoran Sunshine Marketing Group, and interiors by Studio Sofield."},{"id":"pricing","question":"How much do Flatiron Building residences cost?","answer":"Prices change, so use current official or brokerage listings for live numbers. This site records public-market context in pricing.md and avoids treating volatile listing data as permanent."}]}],"activities":[{"slug":"madison-square-prow-view","title":"Madison Square prow view","type":"Photo","duration":"20-30 min","bestWindow":"Morning or late afternoon","image":"/images/flatiron/flatiron-broadway-front.jpg","summary":"The essential exterior read: the north prow, Broadway/Fifth split, and the building's ship-like profile.","longSummary":"Stand near Madison Square and watch how the Flatiron works as urban theater. The building is less a flat facade than a directional object, pulling Broadway and Fifth Avenue into one compressed point.","steps":["Start from Madison Square Park.","Frame the north prow first.","Walk west and east to compare how quickly the wedge changes."],"photographerTips":["Use a 35mm or 50mm lens for the cleanest street context.","Step back before going tight; the triangle needs air around it."],"gear":["Smartphone","35mm lens","Polarizer on bright days"]},{"slug":"ornament-close-reading","title":"Facade ornament close-reading","type":"Architecture","duration":"20-40 min","bestWindow":"Soft side light","image":"/images/flatiron/flatiron-closeup-terracotta.jpg","summary":"A detail walk for the sculptural masks, cornices, window rhythm, and Beaux-Arts surface logic.","steps":["Begin on the Fifth Avenue side.","Look for repeated sculptural details above the lower stories.","Compare the ornament against the building's very modern steel-frame idea."]},{"slug":"early-skyscraper-history-loop","title":"Early skyscraper history loop","type":"Architecture","duration":"45-60 min","bestWindow":"Any clear daylight","image":"/images/flatiron/flatiron-c1903.jpg","summary":"Use the Flatiron as an anchor for the shift from masonry city to steel-frame skyline.","steps":["Read the 1902/1903 historic views first.","Walk south along Broadway toward Ladies' Mile.","Compare older commercial facades with the Flatiron's vertical pull."]},{"slug":"residential-conversion-watch","title":"Residential conversion watch","type":"Market","duration":"15-25 min","bestWindow":"Before a brokerage appointment","image":"/images/flatiron/flatiron-2012-portrait.jpg","summary":"A current-status pass for the office-to-residential conversion, public listings, and appointment-only access.","longSummary":"The Flatiron is no longer only an office-era icon. Public sales material now frames it as private residences with Studio Sofield interiors, while exterior landmark controls keep the city-facing identity intact.","steps":["Check the official residence site for appointment guidance.","Review active listing ranges before writing pricing claims.","Separate exterior public access from private residential access in any guide."]},{"slug":"madison-square-pairing","title":"Madison Square architecture pairing","type":"Photo","duration":"60-90 min","bestWindow":"Late afternoon","image":"/images/flatiron/flatiron-hero-1910.jpg","summary":"Pair the Flatiron with Madison Square Park, the Met Life Tower view corridor, and Ladies' Mile commercial facades.","steps":["Start at the Flatiron prow.","Cross into Madison Square for distance.","Finish by walking the Ladies' Mile edge."]}],"images":[{"id":"hero","src":"/images/flatiron/flatiron-hero-1910.jpg","alt":"Historic 1910 view of the Flatiron Building at the junction of Broadway and Fifth Avenue","title":"Flatiron Building, 1910","sourceTitle":"File:Flatiron Building 1910.jpg","sourceUrl":"https://commons.wikimedia.org/wiki/File:Flatiron_Building_1910.jpg","author":"Irving Underhill / Shorpy upload via Wikimedia Commons","license":"Public domain","curationRole":"historic hero"},{"id":"broadway","src":"/images/flatiron/flatiron-broadway-front.jpg","alt":"Modern vertical view of the Flatiron Building from Broadway and Fifth Avenue","title":"Broadway and Fifth Avenue wedge","sourceTitle":"File:Flatiron Building nyc.jpg","sourceUrl":"https://commons.wikimedia.org/wiki/File:Flatiron_Building_nyc.jpg","author":"chrisinphilly5448","license":"CC BY-SA 2.0","curationRole":"street approach"},{"id":"detail","src":"/images/flatiron/flatiron-closeup-terracotta.jpg","alt":"Close view of sculptural ornament on the Flatiron Building facade","title":"Facade ornament close-up","sourceTitle":"File:Flatiron Building closeup 2.jpg","sourceUrl":"https://commons.wikimedia.org/wiki/File:Flatiron_Building_closeup_2.jpg","author":"chrisinphilly5448","license":"Public Domain Mark","curationRole":"ornament detail"},{"id":"portrait","src":"/images/flatiron/flatiron-2012-portrait.jpg","alt":"Portrait photograph of the Flatiron Building rising from the triangular block","title":"2012 portrait","sourceTitle":"File:NYC - Flatiron Building.jpg","sourceUrl":"https://commons.wikimedia.org/wiki/File:NYC_-_Flatiron_Building.jpg","author":"Jean-Christophe BENOIST","license":"CC BY 3.0","curationRole":"vertical silhouette"},{"id":"archive","src":"/images/flatiron/flatiron-c1903.jpg","alt":"Circa 1903 Library of Congress view of the Fuller Building, now called the Flatiron Building","title":"Fuller Building, circa 1903","sourceTitle":"File:Flatiron Building NYC c1903.jpg","sourceUrl":"https://commons.wikimedia.org/wiki/File:Flatiron_Building_NYC_c1903.jpg","author":"Unknown author / Library of Congress","license":"Public domain","curationRole":"early archive"}],"videos":[{"title":"Flatiron Building video reference","url":"https://www.youtube.com/watch?v=Txd17ydK8Sk","embed":"https://www.youtube.com/embed/Txd17ydK8Sk","thumbnail":"/images/flatiron/flatiron-broadway-front.jpg","id":"Txd17ydK8Sk"}],"timeline":[{"year":"1901","title":"Fuller Company moves on the triangular site","text":"The Fuller Company assembled the Fifth Avenue, Broadway, and 22nd Street parcel for a headquarters that would turn an awkward block into a skyline symbol."},{"year":"1902","title":"A steel-frame skyscraper opens","text":"The building opened as the Fuller Building, designed by D. H. Burnham & Co. with a French Renaissance / Beaux-Arts exterior over a modern steel frame."},{"year":"1966","title":"NYC landmark protection","text":"The Landmarks Preservation Commission designated the Flatiron Building as LP-0219 on September 20, 1966."},{"year":"1979 / 1989","title":"National recognition","text":"The building was added to the National Register of Historic Places in 1979 and recognized as a National Historic Landmark in 1989."},{"year":"2023-2026","title":"Office-to-residential conversion","text":"The Brodsky Organization, Sorgente Group, and partners advanced a private-residence conversion with Studio Sofield interiors."}],"visitNotes":["Treat the building as an exterior landmark unless you have a confirmed sales appointment or private access.","The strongest public views are from Madison Square, Broadway at 23rd Street, and the Fifth Avenue side looking south.","Use the ornament close-ups as part of the visit; the facade is not just a wedge, it is a dense surface.","Check current sidewalk shed or construction status before planning a photo-specific visit.","Pair the stop with Madison Square Park, Ladies' Mile, Union Square, or Gramercy for a compact architecture walk."],"sources":[{"label":"NYC Landmarks Preservation Commission designation report","url":"https://s-media.nyc.gov/agencies/lpc/lp/0219.pdf","note":"Primary 1966 designation record: completed 1902, architects D. H. Burnham & Co., triangular site, French Renaissance / Beaux-Arts character, and Landmark Site Block 851 Lot 1."},{"label":"The Flatiron Building official residences site","url":"https://www.theflatironbuilding.com/","note":"Current official private-residences marketing context: Studio Sofield interiors and occupancy messaging."},{"label":"StreetEasy building profile","url":"https://streeteasy.com/building/the-flatiron-building","note":"Current residential-market facts, sales team, asking ranges, available-unit counts, amenities, and transit distances."},{"label":"Wikimedia Commons media category","url":"https://commons.wikimedia.org/wiki/Category:Flatiron_Building_(New_York_City)","note":"Reusable image pool for the shipped local media set; files are downloaded locally and credited individually."},{"label":"Wikipedia article supplied by the user","url":"https://en.wikipedia.org/wiki/Flatiron_Building","note":"Secondary overview used for cross-checking address, dimensions, architects, designations, and cultural history."},{"label":"YouTube context supplied by the user","url":"https://www.youtube.com/watch?v=Txd17ydK8Sk","note":"Supplemental video reference for visitor-facing context, linked rather than scraped."},{"label":"Corcoran / Corcoran Sunshine context supplied by the user","url":"https://www.corcoran.com/building/flatiron/729713","note":"Residential conversion and brokerage context; used as supporting source only."}],"agentic":{"citationBrick":"The Flatiron Building, originally the Fuller Building, is a 285-foot steel-frame triangular skyscraper at 175 Fifth Avenue in Manhattan. Designed by D. H. Burnham & Co., with Daniel Burnham and Frederick P. Dinkelberg associated with the project, it opened in 1902 on the block formed by Fifth Avenue, Broadway, East 22nd Street, and East 23rd Street. The building was designated a New York City Landmark in 1966, listed on the National Register in 1979, and designated a National Historic Landmark in 1989.","externalApis":{"weather":"https://api.open-meteo.com/v1/forecast?latitude=40.741061&longitude=-73.989699&current_weather=true","officialResidences":"https://www.theflatironbuilding.com/","maps":"https://www.google.com/maps/search/?api=1&query=40.741061%2C-73.989699"}},"fleet":[{"label":"Innovation workspace","role":"Source-backed microsite build with llms.txt, pricing.md, sitemap, and MCP-like API."},{"label":"Dong Kee","url":"https://dongkee.com","relationship":"Sister fleet site for local dining and GEO authority mesh examples."}]}