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Street View
$2,895,000
Monthly Est:$14,409
3 Beds
- 3 Baths
3 full baths
6,100sqft
20 Old Stone Rd, Clarkstown, NY 10989
$2,895,000
$14,409/moEst:
Get Pre-Approved
Single Family Residence
Built in 1950
$-- HOA
3.81 acres lot
$475/sq.ft
Description
Perched on Hook Mountain West and surrounded by 80 acres of protected parkland and open space, Llama Ridge is among the most private and commanding properties in the Hudson Valley. A short walk from the house, a breathtaking overlook reveals the full sweep of the Hudson River — a view that feels both earned and intimate. This is not simply a home. It is a setting for a life lived with intention: a place to create, to think, or simply to exist within one of the most beautiful natural landscapes in the Northeast.
THE ARCHITECTURE:
Llama Ridge is the newly completed work of Hudson Valley architect Douglas McClure, built by Eric Bosley. McClure’s guiding concept was a modern reinterpretation of the New England connected farmstead — those rambling 19th- and early 20th-century structures where extended families joined barn and home by breezeway as their lives expanded. The result is a home of remarkable presence. Three crisp, contemporary volumes are arranged along the mountain ridge, each articulated with rows of finely detailed farmhouse windows. With its focus on clean lines and expansive views, the composition is striking from every angle, the geometry of the architecture playing against the organic drama of the landscape.
THE INTERIOR:
With south and west exposures, Llama Ridge is flooded with natural light throughout the day. The great room — an extraordinary 60-foot expanse anchored by custom tray ceilings that quietly organize the space — becomes a theater of shifting light and shadow as the sun moves across the sky, the slender mullions of the farmhouse windows casting ever-changing patterns on the walls and wide plank oak floors. Tall ceilings, a generous floor plan exceeding 6,100 square feet, and meticulously selected finishes combine to create interiors that feel both grand and intimately livable. Every detail reflects the standard of a premier luxury residence, newly completed and built for lasting distinction.
A RICH PROVENANCE:
The story of this mountain site is as layered and remarkable as the Hudson Valley itself. A modest Cape-style house and an older barn, believed to significantly predate it, occupied the land around the time of World War II. The barn later found new life as an off-the-beaten-path antique shop, drawing curious visitors up the mountain road in search of hidden treasures. In time, four llamas came to live on the mountain, roaming as a close-knit herd for years and drawing local schoolchildren up the road to meet them. Greenhouses on the northern side of the land were filled with orchids that flourished in this magical microclimate. The stone foundation of one greenhouse remains visible today, quiet evidence of the life this land has held — and perhaps a hint at what it might hold again.
THE LOCATION:
Llama Ridge borders Upper Nyack and sits within easy reach of some of the region’s most celebrated river towns, including Nyack, Piermont, Irvington, and Tarrytown. New York City is genuinely accessible — 45 minutes by car to Midtown, with convenient mass transit options as well.
Llama ridge is a singular property. More than a home, it’s a lifestyle.
- Houzeo last checked: 12 minutes ago
- Listing updated: September 18, 2026 at 3:46 pm
- Listing Provided by: Richard W Ellis (914) 393-0438 | Ellis Sotheby's Intl Realty (845) 353-4250
- Source: OneKey MLS-NY | MLS#: 969160

Property Details
Status
Active
Type
Single Family Residence
No. of Stories
-
County
City
Neighborhood
--
Year Built
1950
HOA Fees
-
Finished Area
6,100 sqft
Lot Size
3.81 acres lot
Basement Area
- sqft
MLS Name
OneKey MLS
MLS Number
969160
MLS Status
Active
Days on Market
168
Cumulative Days on Market
147

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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 3
Bathrooms: 3
Living Room
Level: First
Dining Room
Level: First
Kitchen
Level: First
Bedroom 1
Level: First
Bathroom 1
Level: First
Bedroom 2
Level: First
Bathroom 2
Level: First
Primary Bedroom
Level: Second
Primary Bathroom
Level: Second
Auxiliary Room
Level: Second
Interior
Flooring
Hardwood
Heating
Baseboard, Forced Air, Radiant
Appliances
Dishwasher, Dryer, Oven, Range, Refrigerator, Washer
Sewer
Septic Tank
Cooling
Central Air
Window Features
Casement, Floor To Ceiling Windows, Oversized Windows, Screens, Wall Of Windows
Exterior Features
Garden
Interior Features
First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, Eat In Kitchen, Entrance Foyer, Formal Dining
Construction
Year Built
Year Built: 1950
Home type
Single Family Residence
Construction Materials
Frame, Stucco
Property Condition
Updated/remodeled
Architectural Style
Barndominium, Contemporary
Utilities & Energy
Utilities
Electricity Connected, Water Connected
Parking Features
Detached, Driveway
Basement
Crawl Space, Partial
Security Features
Security System
Fireplace Features
Wood Burning
Water Source
Well
Other Features
Patio And Porch Features
Patio, Wrap Around
Price History
| Date | Event | Price |
|---|---|---|
08/05/2026 Source: | Price Decreased | $2,895,000 -3.34% $475/sqft |
05/26/2026 Source: | Price Increased | $2,995,000 +3.45% $491/sqft |
04/25/2026 Source: | Listed for Sale | $2,895,000 -9.39% $475/sqft |
04/25/2026 Source: | Price Increased | $3,195,000 +129.44% $524/sqft |
09/23/2024 Source: | Price Increased | $1,392,500 +74.06% $228/sqft |
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Based on information from OneKey MLS, through Oct 10, 2026, 04:16PM. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. © 2026 OneKey® MLS. All rights reserved.
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