310 Mt Holly Road
Katonah, NY, 10536 $ 1,995,000
Bedrooms7 Baths4.2 Sq 3,300 Monthly Estimate*
$ 12,284
for $1,995,000 with 7 bedrooms and 4 full baths, 2 half baths. This 3,300 square foot home was built in 1850 on a lot size of 4.
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 framed by classic white horse fencing, structures that trace their roots to the early 19th century, and the unhurried feeling of a European farmstead. Together they form the foundation for a multi-building compound just an hour from NYC, within the Katonah-Lewisboro School District. The property comprises approx. 3,300 sq ft across three existing structures - the Barn, Carriage House, and Milk House - alongside a gutted Main House ready to be replaced with a custom primary residence. This grandfathered multi-structure configuration, no longer possible under current zoning, offers rare flexibility for living, hosting, and creative work across a thoughtfully composed compound. Plans for a modern farmhouse of approx. 3,600 sq ft are available as a point of departure, and a seven-bedroom septic is already approved. The property's architect and builder are on hand, or a buyer may engage their own design and team. The Barn, featuring historic details like wavy glass diamond-paned windows and classic barn doors, includes a fully renovated legal two-bedroom apartment above - with updated kitchen and full bath - and an unfinished studio below with half bath and laundry, suited as a wellness space, creative studio, or lounge. New electrical, Bosch HVAC, mini-splits, and whole-house generator are in place. A 26-foot glass wall, designed to maximize light and meadow views, is fabricated and ready for installation. Reimagined from the foundation up, the Carriage House blends historic craftsmanship with contemporary architecture - original hand-hewn beams, antique brick floors, and wavy glass windows alongside new large-scale commercial glass, cedar shake siding, a standing seam metal roof, and updated electrical and HVAC - ready to be finished as a home office, creative studio, or guest cottage. Completion plans for both are approved by the Town of Bedford. The charming Milk House, compact and rich in character, features antique brick floors and original wavy glass windows beneath a new standing seam metal roof - ideal as 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. A gravel motor court lends an 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 family, guests, and creative pursuits, each in its own dedicated setting, in one of the Hudson Valley's most beautiful and sought-after enclaves. Construction drawings and approved completion plans available upon request.
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Single Family ActiveCarriage House,Farmhouse,Modern
FeaturesInteriorInterior Amenities Built-in Features Eat-in Kitchen Entrance Foyer Natural Woodwork Open Floorplan Open Kitchen Pantry Primary Bathroom Recessed Lighting Smart Thermostat Storage Washer/Dryer Hookup
Basement (Y/N) N
Half Baths 2
Total Bedrooms 7
Total Baths 6
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GeneralSewer Septic Tank
Heating Baseboard Electric
Cooling Ductless Electric
Utilities Propane
Appliances Dishwasher Dryer Freezer Gas Oven Gas Range Microwave Refrigerator Stainless Steel Appliance(s) Washer Gas Water Heater
Garage Spaces 4
Architectural Style Carriage House Farmhouse Modern
Construction Materials Frame Shingle Siding
Year Built 1850
Property Subtype Single Family Residence
Tax Year 2025
Parcel Number 2000-039-020-00001-000-0009
County Westchester County
Property Type Residential
HOA N
Garage Y/N Y
Total Rooms 20
Full Baths 4
High School John Jay High School
City Bedford
Disclosures Lead Paint Seller Property Disclosure
Senior Community Y/N N
High School District Katonah-Lewisboro
Carport Spaces 3
Carport Y/N Y
Elementary School Increase Miller Elementary School
Property Attached Y/N N
Tax Annual Amount 24688
Middle/Junior High School John Jay Middle School
Property Condition Actual
Additional Parcels Y/N N
Building Area Units Square Feet
Standard Status Active
Middle/Junior School District Katonah-Lewisboro
Elementary School District Katonah-Lewisboro
Tax Assessed Value 89320
Year Built Effective 2024
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ExteriorParking Features Covered Driveway Garage Covered Driveway Garage
Water Source Well
Foundation Details Pillar/Post/Pier
Waterfront Y/N N
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* Excluded FeaturesList BySamuel BerekListing Agent
samuel.berekre@serhant.comEmail
Affordability Calculator
- Monthly Principal & Interest
- $12,284
- Monthly Property Taxes
- $2,057
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Katonah, NY
Average List Price $1,212,217
Percent of Sale Price 39%
About Katonah, NY 10,833 Population
5% Since 2002
$ 158,435 Median Income
46.8 Median Age
42% Households with Children
Trends Information provided by ATTOM Data Solutions.
4892277 Elementary School
4892612 Middle School
John Jay High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 3/26/2026 | $1,995,000 | | Listed Price |