{"id":63503,"date":"2026-07-08T03:00:11","date_gmt":"2026-07-08T01:00:11","guid":{"rendered":"https:\/\/housesmarketplace.com\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/"},"modified":"2026-07-08T03:00:11","modified_gmt":"2026-07-08T01:00:11","slug":"historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction","status":"publish","type":"post","link":"https:\/\/housesmarketplace.com\/ru\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/","title":{"rendered":"Historic 185-acre Carnegie estate in New York\u2019s Hudson Valley heads to auction"},"content":{"rendered":"<div>\n<p>One of the Hudson Valley\u2019s most recognizable legacy properties is preparing for a rare public sale.<\/p>\n<p>Hallmark Farm, the 185-acre Millbrook estate once owned by Margaret Carnegie \u2014 the only child of steel magnate and philanthropist Andrew Carnegie \u2014 will head to auction on Thursday, July 9, after spending years on the traditional market. <\/p>\n<p>Conducted by Platinum Luxury Auctions, the property will be offered with a reserve at or above $7.95 million, a striking shift from its previous $20 million asking price.<\/p>\n<p>Set amid the rolling countryside of Millbrook Hunt Country, the estate has long ranked among the region\u2019s most distinguished country compounds, blending historic pedigree with one of the Hudson Valley\u2019s finest private equestrian settings.<\/p>\n<h2 class=\"wp-block-heading\">A country estate dating back to 1865<\/h2>\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Aerial.jpg\" alt=\"\" class=\"wp-image-53217\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<p><a href=\"https:\/\/platinumluxuryauctions.com\/listings\/hallmark-farm-hudson-valley-ny\/\">Hallmark Farm<\/a> traces its origins to 1865, when grand country estates began transforming the Hudson Valley into a retreat for New York\u2019s industrial elite.<\/p>\n<p>Today, the property encompasses more than 13,700 square feet across several buildings, with nine bedrooms, nine full bathrooms, and one half bath. <\/p>\n<p>While its historic character remains intact, thoughtful renovations have introduced modern comforts without compromising the estate\u2019s original architectural spirit.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Barn-Home-Guest.jpg\" alt=\"\" class=\"wp-image-53218\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Rooms built for entertaining<\/h2>\n<p>The main residence balances formal grandeur with everyday livability.<\/p>\n<p>\u0410 <a href=\"https:\/\/www.fancypantshomes.com\/luxury\/modern-farmhouse-bedford-corners-new-york\/\">richly paneled library<\/a> centered around a fireplace offers a warm retreat, while the formal dining room comfortably accommodates up to 30 guests, making it equally suited to holiday celebrations and large-scale entertaining.<\/p>\n<p>The dramatic living room serves as the home\u2019s centerpiece, rising beneath 20-foot ceilings with a fireplace and French doors that open directly onto terraces overlooking the surrounding mountains.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Home-Living.jpg\" alt=\"\" class=\"wp-image-53219\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">A renovated kitchen for modern living<\/h2>\n<p>While the estate embraces its nineteenth-century roots, the kitchen reflects contemporary expectations.<\/p>\n<p>Outfitted with Viking and Bosch appliances, it includes generous preparation areas, a breakfast room, and spaces designed to handle everything from casual family breakfasts to catered gatherings.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Home-Kitchen.jpg\" alt=\"\" class=\"wp-image-53220\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<p>Modern additions \u2014 including an elevator and carefully integrated expansions \u2014 have been introduced discreetly throughout the residence, ensuring convenience without overwhelming <a href=\"https:\/\/www.fancypantshomes.com\/lifestyle-and-design\/16-details-that-give-historic-homes-their-unmistakable-charm\/\">its historic character.<\/a><\/p>\n<h2 class=\"wp-block-heading\">A primary suite with classic proportions<\/h2>\n<p>Upstairs, the primary suite continues the home\u2019s timeless feel.<\/p>\n<p>A private sitting room, dedicated dressing room, and spacious bath create a secluded owner\u2019s retreat, while the remaining bedrooms comfortably accommodate family and overnight guests across the expansive residence.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Home-PrimaryEntry.jpg\" alt=\"\" class=\"wp-image-53221\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Home-PrimaryBed.jpg\" alt=\"\" class=\"wp-image-53222\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Built for serious equestrians<\/h2>\n<p>For many buyers, Hallmark Farm\u2019s greatest distinction lies beyond the main house.<\/p>\n<p>Its equestrian facilities were designed by the acclaimed French architectural firm Atelier Choiseul and center around an elegant 10-stall <a href=\"https:\/\/www.fancypantshomes.com\/movie-homes\/is-the-yellowstone-ranch-real\/\">stable complete with tack room<\/a>, refined lounge, and staff accommodations.<\/p>\n<p>The surrounding paddocks range from six to twelve acres, enclosed by classic post-and-rail fencing, with several featuring field shelters for year-round use.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_BarnHome.jpg\" alt=\"\" class=\"wp-image-53224\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Barn-Stalls.jpg\" alt=\"\" class=\"wp-image-53227\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Miles of riding across 185 acres<\/h2>\n<p>The estate was designed with horses in mind.<\/p>\n<p>Miles of fenced pastureland and private riding trails weave throughout the property, while a dedicated hunter trial course adds another layer of appeal for competitive riders and sporting enthusiasts.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_BarnExitView-Riders.jpg\" alt=\"\" class=\"wp-image-53223\"><figcaption class=\"wp-element-caption\">Alon Koppel Photography \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<p>Supporting the operation are farm manager apartments, groom accommodations, and utility buildings that allow the estate to function as a fully operational equestrian property.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Grounds-Riders.jpg\" alt=\"\" class=\"wp-image-53225\"><figcaption class=\"wp-element-caption\">Alon Koppel Photography \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">A carriage house with room for guests<\/h2>\n<p>Beyond the primary residence, <a href=\"https:\/\/www.fancypantshomes.com\/luxury\/revamped-222-year-old-greenwich-estate-is-surprisingly-modern-and-fun\/\">a historic carriage house <\/a>expands the estate\u2019s flexibility.<\/p>\n<p>It contains three additional apartments, storage for five vehicles, and a winter greenhouse, making it equally suitable for extended family, guests, or staff.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Home-Study.jpg\" alt=\"\" class=\"wp-image-53226\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">Classic Hudson Valley scenery<\/h2>\n<p>The landscape itself remains one of Hallmark Farm\u2019s defining features.<\/p>\n<p>Rolling meadows, mature woodland, a private pond, and broad mountain vistas create the kind of pastoral scenery that has <a href=\"https:\/\/www.fancypantshomes.com\/celebrity-homes\/the-dakota-building-in-new-york-and-its-famous-residents\/\">drawn generations of New Yorkers <\/a>north in search of space and tranquility.<\/p>\n<p>Terraces positioned for sunset views and a picturesque gazebo offer countless places to take in the <a href=\"https:\/\/www.fancypantshomes.com\/luxury\/caddam-hill-stage-actress-maude-adams-house-in-the-catskills\/\">surrounding Catskill landscape<\/a>.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_PatioLounge.jpg\" alt=\"\" class=\"wp-image-53229\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">In the heart of Millbrook Hunt Country<\/h2>\n<p>Hallmark Farm occupies one of the Hudson Valley\u2019s most celebrated sporting regions.<\/p>\n<p>Millbrook is renowned for its equestrian heritage and country estates, with nearby attractions including the Millbrook Hunt, Mashomack Polo Club, Tamarack Preserve, and Sandanona \u2014 one of the oldest continuously operating hunt clubs in the United States.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Aerial4.jpg\" alt=\"\" class=\"wp-image-53230\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<p>Residents also enjoy riding, polo, sporting clays, hiking, fishing, golf, wineries, and boutique shopping in the nearby Village of Millbrook, all while remaining roughly 90 minutes from Manhattan.<\/p>\n<h2 class=\"wp-block-heading\">Why auction makes sense<\/h2>\n<p>Properties of Hallmark Farm\u2019s stature rarely fit neatly within the traditional luxury marketplace.<\/p>\n<p><a href=\"https:\/\/www.fancypantshomes.com\/luxury\/rare-mill-neck-house-designed-by-robert-am-stern\/\">Legacy estates<\/a> with hundreds of acres, extensive equestrian infrastructure, and historic provenance often have few true comparable sales, making valuation difficult. Luxury auctions have increasingly become an effective way to connect these singular properties with buyers willing to compete for assets that simply cannot be replicated.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Grounds-FoxHuntGroup.jpg\" alt=\"\" class=\"wp-image-53228\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<h2 class=\"wp-block-heading\">A rare opportunity to own a Carnegie legacy<\/h2>\n<p>Few estates combine Gilded Age history, architectural significance, and equestrian excellence on this scale.<\/p>\n<p>Whether viewed as a private family compound, a world-class horse property, or one of the <a href=\"https:\/\/www.fancypantshomes.com\/luxury\/catskills-listing-spans-1600-acres-and-two-centuries-of-family-history\/\">Hudson Valley\u2019s enduring legacy estates<\/a>, Hallmark Farm represents an opportunity that surfaces only occasionally \u2014 and after years on the market, its next chapter will be written under the auction hammer.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_EntryGate.jpg\" alt=\"\" class=\"wp-image-53231\"><figcaption class=\"wp-element-caption\">Alon Koppel and Tim Lee \/ Platinum Luxury Auctions<\/figcaption><\/figure>\n<p><strong>\u0411\u043e\u043b\u044c\u0448\u0435 \u0438\u0441\u0442\u043e\u0440\u0438\u0439<\/strong><\/p>\n<p><a href=\"https:\/\/www.fancypantshomes.com\/luxury\/bucolic-160-acre-farmstead-in-old-chatham-new-york\/\"><strong>\u042d\u0442\u0430 \u0444\u0435\u0440\u043c\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u044c\u044e 160 \u0430\u043a\u0440\u043e\u0432 \u0432 \u0434\u043e\u043b\u0438\u043d\u0435 \u0413\u0443\u0434\u0437\u043e\u043d\u0430 \u0437\u0430\u0441\u0442\u0430\u0432\u0438\u0442 \u0432\u0430\u0441 \u0442\u043e\u0441\u043a\u043e\u0432\u0430\u0442\u044c \u043f\u043e \u0441\u0435\u043b\u044c\u0441\u043a\u043e\u0439 \u043c\u0435\u0441\u0442\u043d\u043e\u0441\u0442\u0438.<\/strong><\/a><a href=\"https:\/\/www.fancypantshomes.com\/luxury\/high-design-country-house-with-spa-perks-hudson-valley\/\"><\/a><\/p>\n<p><strong><a href=\"https:\/\/www.fancypantshomes.com\/real-estate-news\/historic-sandy-point-farm-owned-by-the-vanderbilts-in-rhode-island\/\">\u0418\u0441\u0442\u043e\u0440\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0444\u0435\u0440\u043c\u0430 \u0432 \u0420\u043e\u0434-\u0410\u0439\u043b\u0435\u043d\u0434\u0435, \u0438\u043c\u0435\u044e\u0449\u0430\u044f \u0442\u0435\u0441\u043d\u044b\u0435 \u0441\u0432\u044f\u0437\u0438 \u0441 \u0412\u0430\u043d\u0434\u0435\u0440\u0431\u0438\u043b\u044c\u0442\u0430\u043c\u0438, \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u043d\u0430 \u0430\u0443\u043a\u0446\u0438\u043e\u043d<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.fancypantshomes.com\/architecture\/elm-court-a-vanderbilt-estate-from-the-gilded-age-in-the-berkshires\/\">\u0412 \u0411\u0435\u0440\u043a\u0448\u0438\u0440\u0430\u0445 \u0433\u043e\u0442\u043e\u0432\u0438\u0442\u0441\u044f \u043a \u0433\u0440\u0430\u043d\u0434\u0438\u043e\u0437\u043d\u043e\u043c\u0443 \u0432\u043e\u0437\u0440\u043e\u0436\u0434\u0435\u043d\u0438\u044e \u0438\u043c\u0435\u043d\u0438\u0435 \u0412\u0430\u043d\u0434\u0435\u0440\u0431\u0438\u043b\u044c\u0442\u043e\u0432 \u044d\u043f\u043e\u0445\u0438 \u00ab\u043f\u043e\u0437\u043e\u043b\u043e\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u0435\u043a\u0430\u00bb, \u043d\u0430\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u044e\u0449\u0435\u0435 100 \u043a\u043e\u043c\u043d\u0430\u0442.<\/a><\/strong><\/p>\n<\/p>\n<p>\u041f\u043e\u0441\u0442 <a href=\"https:\/\/www.fancypantshomes.com\/real-estate-news\/historic-185-acre-carnegie-estate-hallmark-farm-millbrook-ny\/\">Historic 185-acre Carnegie estate in New York\u2019s Hudson Valley heads to auction<\/a> \u0432\u043f\u0435\u0440\u0432\u044b\u0435 \u043f\u043e\u044f\u0432\u0438\u043b\u0441\u044f \u043d\u0430 <a href=\"https:\/\/www.fancypantshomes.com\/\">\u0414\u043e\u043c\u0430 \u0441 \u043c\u043e\u0434\u043d\u044b\u043c\u0438 \u0431\u0440\u044e\u043a\u0430\u043c\u0438<\/a>.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>One of the Hudson Valley\u2019s most recognizable legacy properties is preparing for a rare public sale. Hallmark Farm, the 185-acre Millbrook estate once owned by Margaret Carnegie \u2014 the only child of steel magnate and philanthropist Andrew Carnegie \u2014 will head to auction on Thursday, July 9, after spending years on the traditional market. Conducted [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-63503","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.5 (Yoast SEO v18.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Historic 185-acre Carnegie estate in New York\u2019s Hudson Valley heads to auction - Houses Marketplace<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/housesmarketplace.com\/ru\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Historic 185-acre Carnegie estate in New York\u2019s Hudson Valley heads to auction\" \/>\n<meta property=\"og:description\" content=\"One of the Hudson Valley\u2019s most recognizable legacy properties is preparing for a rare public sale. Hallmark Farm, the 185-acre Millbrook estate once owned by Margaret Carnegie \u2014 the only child of steel magnate and philanthropist Andrew Carnegie \u2014 will head to auction on Thursday, July 9, after spending years on the traditional market. Conducted [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/housesmarketplace.com\/ru\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/\" \/>\n<meta property=\"og:site_name\" content=\"Houses Marketplace\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-08T01:00:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Aerial.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u043c\u0438\u043d\u0443\u0442\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/housesmarketplace.com\/#website\",\"url\":\"https:\/\/housesmarketplace.com\/\",\"name\":\"Houses Marketplace\",\"description\":\"International Real Estate\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/housesmarketplace.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"ru-RU\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/housesmarketplace.com\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/#primaryimage\",\"inLanguage\":\"ru-RU\",\"url\":\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Aerial.jpg\",\"contentUrl\":\"https:\/\/www.fancypantshomes.com\/wp-content\/uploads\/2026\/07\/HallmarkFarm_Aerial.jpg\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/housesmarketplace.com\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/#webpage\",\"url\":\"https:\/\/housesmarketplace.com\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/\",\"name\":\"Historic 185-acre Carnegie estate in New York\u2019s Hudson Valley heads to auction - Houses Marketplace\",\"isPartOf\":{\"@id\":\"https:\/\/housesmarketplace.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/housesmarketplace.com\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/#primaryimage\"},\"datePublished\":\"2026-07-08T01:00:11+00:00\",\"dateModified\":\"2026-07-08T01:00:11+00:00\",\"author\":{\"@id\":\"https:\/\/housesmarketplace.com\/#\/schema\/person\/665c421ad640387074205c0c27f1322d\"},\"breadcrumb\":{\"@id\":\"https:\/\/housesmarketplace.com\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/#breadcrumb\"},\"inLanguage\":\"ru-RU\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/housesmarketplace.com\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/housesmarketplace.com\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/housesmarketplace.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Historic 185-acre Carnegie estate in New York\u2019s Hudson Valley heads to auction\"}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/housesmarketplace.com\/#\/schema\/person\/665c421ad640387074205c0c27f1322d\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/housesmarketplace.com\/#personlogo\",\"inLanguage\":\"ru-RU\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/140237897fb8310eb02b9e9e60bc4c80ec8ee5e10f4896a3c4d6b98a92bf825e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/140237897fb8310eb02b9e9e60bc4c80ec8ee5e10f4896a3c4d6b98a92bf825e?s=96&d=mm&r=g\",\"caption\":\"admin\"},\"url\":\"https:\/\/housesmarketplace.com\/ru\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Historic 185-acre Carnegie estate in New York\u2019s Hudson Valley heads to auction - Houses Marketplace","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/housesmarketplace.com\/ru\/historic-185-acre-carnegie-estate-in-new-yorks-hudson-valley-heads-to-auction\/","og_locale":"ru_RU","og_type":"article","og_title":"Historic 185-acre Carnegie estate in New York\u2019s Hudson Valley heads to auction","og_description":"One of the Hudson Valley\u2019s most recognizable legacy properties is preparing for a rare public sale. Hallmark Farm, the 185-acre Millbrook estate once owned by Margaret Carnegie \u2014 the only child of steel magnate and philanthropist Andrew Carnegie \u2014 will head to auction on Thursday, July 9, after spending years on the traditional market. 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