Introducing an Extraordinary New Construction Masterpiece in the heart of Armonk. Crafted by one of the region’s most sought-after luxury builders, this exceptional residence is already underway—with sheetrock in place and a vision of timeless elegance taking shape. Perfectly sited on a rare, flat and private parcel just minutes from town, this home offers the ideal blend of seclusion and convenience on over 1.5 level acres.
Designed with today’s modern buyers in mind, the floor plan flows effortlessly—balancing grand entertaining spaces with intimate everyday living. Every inch will be finished with the highest level of detail, from designer fixtures to custom millwork and state-of-the-art appliances. A true showcase of quality and sophistication, this is more than a home—it’s a lifestyle.
New construction
$2,850,000
86 Old Byram Lake Road, Armonk, NY 10504
5beds
6,296sqft
Single Family Residence, Residential
Built in 2025
2.63 Acres Lot
$-- Zestimate®
$453/sqft
$-- HOA
What's special
Designer fixturesHighest level of detailIntimate everyday livingFloor plan flows effortlesslyCustom millworkGrand entertaining spacesState-of-the-art appliances
- 15 days |
- 2,431 |
- 106 |
Zillow last checked: 7 hours ago
Listing updated: March 14, 2026 at 11:09am
Listing by:
William Raveis Real Estate 914-273-3074,
Stacey L. Sporn 914-772-2331
Source: OneKey® MLS as distributed by MLS GRID,MLS#: 894044
Tour with a local agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 6
- Full bathrooms: 5
- 1/2 bathrooms: 1
Primary bedroom
- Level: Second
Bedroom 1
- Level: First
Bedroom 2
- Level: Second
Bedroom 3
- Level: Second
Bedroom 4
- Level: Second
Primary bathroom
- Level: Second
Bathroom 1
- Level: First
Bathroom 2
- Level: Second
Bathroom 3
- Level: Second
Bathroom 4
- Level: Lower
Dining room
- Level: First
Family room
- Level: First
Family room
- Level: Lower
Kitchen
- Level: First
Laundry
- Level: Second
Living room
- Level: First
Office
- Level: Second
Heating
- Forced Air
Cooling
- Central Air
Appliances
- Included: Dishwasher, Dryer, Exhaust Fan, Gas Range, Microwave, Refrigerator, Washer, Wine Refrigerator
- Laundry: Laundry Room
Features
- First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, Double Vanity, Eat-in Kitchen, Entrance Foyer, Formal Dining, His and Hers Closets, Kitchen Island, Natural Woodwork, Open Floorplan, Open Kitchen, Primary Bathroom, Recessed Lighting, Storage
- Flooring: Hardwood
- Windows: Double Pane Windows
- Basement: Finished,Storage Space
- Attic: Stairs,Storage,Unfinished,Walkup
- Number of fireplaces: 1
- Fireplace features: Family Room, Gas
Interior area
- Total structure area: 6,296
- Total interior livable area: 6,296 sqft
Property
Parking
- Total spaces: 6
- Parking features: Garage
- Garage spaces: 3
- Carport spaces: 3
Features
- Levels: Three Or More
- Patio & porch: Patio
Lot
- Size: 2.63 Acres
- Features: Back Yard, Level, Near Shops, Private
Details
- Parcel number: 380010100000003000000401720000
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence, Residential
Materials
- Blown-In Insulation, HardiPlank Type
Condition
- New Construction
- New construction: Yes
- Year built: 2025
Utilities & green energy
- Sewer: Septic Tank
- Utilities for property: Cable Available, Electricity Connected, Propane, Trash Collection Public, Water Available
Community & HOA
Community
- Security: Fire Alarm, Security System, Smoke Detector(s)
HOA
- Has HOA: No
Location
- Region: Armonk
Financial & listing details
- Price per square foot: $453/sqft
- Tax assessed value: $5,900
- Annual tax amount: $6,489
- Date on market: 9/16/2025
- Cumulative days on market: 101 days
- Listing agreement: Exclusive Right To Sell
- Electric utility on property: Yes
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 3/5/2026 | Listed for sale | $2,850,000$453/sqft |
Source:  OneKey® MLS as distributed by MLS GRID #894044 Report a problem | ||
| 12/10/2025 | Listing removed | $2,850,000$453/sqft |
Source: OneKey® MLS as distributed by MLS GRID #894044 Report a problem | ||
| 9/18/2025 | Listed for sale | $2,850,000$453/sqft |
Source: OneKey® MLS as distributed by MLS GRID #894044 Report a problem | ||
| 9/18/2025 | Pending sale | $2,850,000$453/sqft |
Source: OneKey® MLS as distributed by MLS GRID #894044 Report a problem | ||
| 9/16/2025 | Listed for sale | $2,850,000+586.7%$453/sqft |
Source: OneKey® MLS as distributed by MLS GRID #894044 Report a problem | ||
| 2/27/2024 | Sold | $415,000$66/sqft |
Source: Public Record Report a problem | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | -- | $5,900 |
| 2023 | -- | $5,900 |
| 2022 | -- | $5,900 |
| 2021 | -- | $5,900 |
| 2020 | -- | $5,900 |
| 2019 | -- | $5,900 |
| 2018 | -- | $5,900 |
| 2017 | -- | $5,900 |
| 2016 | -- | $5,900 |
| 2015 | -- | $5,900 |
| 2014 | -- | $5,900 |
| 2013 | -- | $5,900 |
| 2012 | -- | $5,900 |
| 2011 | -- | $5,900 |
| 2010 | -- | $5,900 |
| 2009 | -- | $5,900 |
| 2008 | -- | $5,900 |
| 2007 | -- | $5,900 |
| 2006 | -- | $5,900 |
| 2005 | -- | $5,900 |
Find assessor info on the county website
BuyAbility℠ payment
Estimated monthly payment
All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Neighborhood: 10504
Nearby schools
GreatSchools rating
- NAComan Hill SchoolGrades: K-2Distance: 0.5 mi
- 8/10H C Crittenden Middle SchoolGrades: 6-8Distance: 1.4 mi
- 9/10Byram Hills High SchoolGrades: 9-12Distance: 0.7 mi
Schools provided by the listing agent
- Elementary: Coman Hill
- Middle: H C Crittenden Middle School
- High: Byram Hills High School
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
Local experts in 10504
- New York
- Westchester County
- Armonk
- 10504
- 86 Old Byram Lake Road
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