310 Mount Holly Road, #A, Katonah, NY, 10536 | $5,500,000

Bellwether Farm - A Rare Compound Opportunity in the Heart of Bedford Horse Country. Bellwether Farm presents a singular opportunity to create a fully bespoke country estate on Mt. Holly Road, one of Northern Westchester's most coveted addresses in the heart of Bedford-Katonah horse country. Approached along an idyllic country road, the property arrives like a page out of time: four pastoral acres of open meadow, structures that trace their roots to the early 19th century, and the unhurried feeling of a European farmstead - all just an hour from NYC. Bellwether Farm offers something vanishingly rare - the ability to build a primary residence entirely to your own vision, on land already home to a remarkable collection of historic structures. Architectural plans exist for a modern farmhouse of approx. 3, 600 sq ft (plus unfinished lower level), featuring dramatic vaulted ceilings, a full wall of glass opening to sweeping meadow views, and clean proportions that sit comfortably within the landscape. The design envisions four bedrooms and three baths, as reflected in the renderings. A seven-bedroom septic is approved and construction drawings are in hand, providing a clear path toward completion. The property's architect and builder are available to collaborate, or a buyer may engage their own design and team. What distinguishes Bellwether Farm is a grandfathered multi-structure configuration no longer achievable under current Bedford zoning. The result is a thoughtfully composed compound comprising approx. 3, 300 sq ft across three buildings - the Barn, Carriage House, and Milk House - offering rare flexibility for living, hosting, and creative work that a single-structure residence simply cannot. The Barn, featuring historic details like wavy glass diamond-paned windows and classic barn doors, includes a stylish two-bedroom apartment above and unfinished studio below, suited as a wellness space, creative studio, or lounge. Ready to occupy from day one, the apartment is an ideal base while overseeing construction. The Carriage House, with hand-hewn beams, antique brick floors, and new large-scale commercial glass, awaits final transformation as home office, creative studio, or guest cottage, with living and kitchenette on the main floor and lofted sleeping quarters above. Completion plans for both are approved by the Town of Bedford. The charming Milk House sits quietly apart - perfect for a writer's studio or garden retreat. Once a thriving working farm, the land remains essentially untouched - open pasture, long meadow views, and historic stone walls that speak to generations of quiet, unhurried life. Mature plantings frame an effortless setting for entertaining, future gardens, and pool placement. A gravel motor court lends a graceful arrival that feels entirely of the place. Bellwether Farm is a rare chance to build something entirely your own - a country estate with room for guests, and creativity, each in its own dedicated setting, in one of the Hudson Valley's most beautiful and sought-after enclaves. Renderings shown. Details available upon request.

Features

  • Rooms: 27
  • Bedrooms: 7
  • Baths: 4 full / 2 half
  • Style: Carriage House, Estate, Farmhouse, Modern, Ranch
  • Year Built: 2026
  • Garage: 5-car
  • Heating: Forced Air, Heat Pump, Propane
  • Cooling: Central Air, Ductless, Electric
  • Basement: Storage Space, Unfinished, Walk-Out Access
  • Approx Sq. Feet: 6,900
  • Acreage: 4
  • Est. Taxes: $24,668
  • Elem. School: Increase Miller Elementary School
  • Middle School: John Jay Middle School
  • High School: John Jay High School
  • School District: Katonah-Lewisboro
  • Appliances: Convection Oven, Dishwasher, Dryer, Gas Oven, Gas Range, Microwave, Oven, Refrigerator, Stainless Steel Appliance(s), Washer
  • MLS#: 976632
  • Days on Market: 9 days
  • Website: https://www.raveis.com
    /eprop/976632/310mounthollyroad_katonah_ny?source=qrflyer
Listing information has been assembled from various sources of varying degrees of reliability. Any information critical to the buying decision should be independently verified.

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Jacqueline JourneySales Associate

561.309.3408

Jacqueline.Journey@raveis.com

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Melissa CohnRVP, Mortgage Banker, William Raveis Mortgage, LLC

NMLS Mortgage Loan Originator ID 16953

917.838.7300

Melissa.Cohn@raveis.com

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310 Mount Holly Road, #A, Katonah, NY, 10536

$5,500,000

Jacqueline Journey

Sales Associate

William Raveis Real Estate

Phone: 561.309.3408

Jacqueline.Journey@raveis.com

Melissa Cohn

RVP, Mortgage Banker

William Raveis Mortgage, LLC

Phone: 917.838.7300

Melissa.Cohn@raveis.com

NMLS Mortgage Loan Originator ID 16953

5/6 (30 Yr)
Adjustable Rate Jumbo*
30 Year
Fixed-Rate Jumbo
15 Year
Fixed-Rate Jumbo
Loan Amount $4,400,000 $4,400,000 $4,400,000
Term 360 months 360 months 180 months
Initial Interest Rate** 5.375% 6.000% 5.750%
Interest Rate based on Index + Margin 8.125%
Annual Percentage Rate 6.117% 6.110% 5.932%
Monthly Tax Payment $2,056 $2,056 $2,056
H/O Insurance Payment $125 $125 $125
Initial Principal & Interest Pmt $24,639 $26,380 $36,538
Total Monthly Payment $26,820 $28,561 $38,719

* The Initial Interest Rate and Initial Principal & Interest Payment are fixed for the first and adjust every six months thereafter for the remainder of the loan term. The Interest Rate and annual percentage rate may increase after consummation. The Index for this product is the SOFR. The margin for this adjustable rate mortgage may vary with your unique credit history, and terms of your loan.

** Mortgage Rates are subject to change, loan amount and product restrictions and may not be available for your specific transaction at commitment or closing. Rates, and the margin for adjustable rate mortgages [if applicable], are subject to change without prior notice.

The rates and Annual Percentage Rate (APR) cited above may be only samples for the purpose of calculating payments and are based upon the following assumptions: minimum credit score of 740, 20% down payment (e.g. $20,000 down on a $100,000 purchase price), $1,950 in finance charges, and 30 days prepaid interest, 1 point, 30 day rate lock. The rates and APR will vary depending upon your unique credit history and the terms of your loan, e.g. the actual down payment percentages, points and fees for your transaction. Property taxes and homeowner's insurance are estimates and subject to change.