| Primary address | 1 Byram Brook Place, Armonk |
| Zip code | 10504 |
| County | Westchester |
| Municipality | North Castle |
| Parcel ID | 108.3-3-76 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 03/09/2022 |
| Sale price | $2,980,000 |
| Arm's length | Register |
| Current property tax | $73,495 |
| Building sqft | 12,412 |
| Building class | Office Building (464) |
| Acreage | 2.16 |
| Year built | 1965 |
| Stories | 1 |
| Zoning district | Register |
| School district | Byram Hills |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
This Office Building (464) located at 1 Byram Brook Place, Armonk, NY 10504 has a total of 12,412 square feet and a current price per square foot of $240.
What is the year built & the current market value of 1 Byram Brook Place, Armonk, NY 10504?1 Byram Brook Place, Armonk, NY 10504 was built in 1965 and has a current tax assessor's market value of $4,120,494.
How many commercial spaces does this building have?This building has 9 commercial spaces available for lease. There are 2 active listings at this address.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
| Listing type | For Lease |
|---|---|
| Listing date | 11/16/2020 |
| Last updated | 04/07/2026 |
| Lot size | 2.16 Acre |
Property Highlights: 2,500+/- sq ft available Building was recently renovated 75+/- parking spaces Perfect for Medical/Professionals Convenient to I 684 Shares border with Greenwich, CT Short ride to Westchester County Airport
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| Space Available | Office | Listing price not available | 2,500 | Michael Litsky |
| Listing type | For Sale |
|---|---|
| Listing date | 04/22/2025 |
| Last updated | 04/07/2026 |
| Lot size | 0.25 Acre |
This property is in a prime location, centrally located in downtown Armonk, NY. The location is convenient to Interstate 684 and just a short drive to Westchester County Airport.
Property Highlights:
Create a free account to view the complete sales history for 1 Byram Brook Place, Armonk, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 1 Byram Brook Place, Armonk, NY 10504. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year | 2025 |
| Base tax | $71,692 |
| Current property tax | $73,495 |
| Market value | $4,120,494 |
| Assessed value | $66,752 |
Here's the assessment & property tax history for 1 Byram Brook Place, Armonk, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|---|
| 2025 | $4,120,494 | $66,752 | 1074.0027 | $71,692 | -1.63% |
| 2024 | $3,708,444 | $66,752 | 1091.7922 | $72,879 | +4.42% |
| 2023 | $4,045,576 | $66,752 | 1045.5625 | $69,793 | +2.43% |
| 2022 | $3,440,825 | $66,752 | 1020.7834 | $68,139 | -35.80% |
| 2021 | $4,709,821 | $105,500 | 1006.0446 | $106,138 | -0.32% |
| Total population | 7,665 |
| Median age | 44.2 |
| Average household income | $380,126 |
| Family households | 87.4% |
| Occupied housing units | 2,458 |
| Owner occupied units | 90.1% |
| Average number of people per household | 3.07 |
| Median year structure built | 1977 |
| Median value for units with a mortgage | $1,337,400 |
| Median value for units without a mortgage | $1,156,000 |
Create a free account to unlock extended information for 1 Byram Brook Place, Armonk, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | X (See more on map) |
Access the detailed traffic volume map for 1 Byram Brook Place, Armonk to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
Here are the neighbors for 1 Byram Brook Place, Armonk.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 3 Byram Brook Pl, Armonk | 2,184 | 09/07/2004 | $645,000 |
| 5 Byram Brook Pl, Armonk | 3,228 | 09/06/2022 | $795,000 |
| 4 Byram Brook Pl, Armonk | 1,118 | 12/22/2016 | $540,500 |
| 23 Sterling Rd S, Armonk | 7,905 | 08/23/2023 | $2,750,000 |
| 25 Sterling Rd S, Armonk | 5,888 | 07/25/2022 | $3,275,000 |
| 11 Byram Brook Pl, Armonk | 2,682 | ||
| 2 Byram Brook Pl, Armonk | 14,618 | 09/09/2016 | $1,700,000 |
| 15 Byram Brook Pl, Armonk | 1,848 | 03/30/2006 | $815,000 |
| 6 Byram Brook Pl, Armonk | 3,796 | 05/15/2012 | $999,000 |
| 28 Day Rd, Armonk | 11/27/2015 | $77,551 | |
| 9 Byram Brook Pl, Armonk | 1,342 | ||
| 21 Sterling Rd S, Armonk | 11,335 | 09/15/2025 | $6,615,000 |
| 4 Douglas Ln, Armonk | 2,655 | 07/02/2012 | |
| 26 Day Rd, Armonk | 7,325 | 05/26/2021 | $2,482,500 |
| 7 Byram Brook Pl, Armonk | 2,027 | 06/07/2017 | $545,000 |
| 13 Byram Brook Pl, Armonk | 2,267 | 05/02/2001 | $659,000 |
| 12 Byram Brook Pl, Armonk | 2,790 | 05/24/2017 | $855,000 |
| 437 Bedford Rd, Armonk | 2,983 | 10/03/2024 | $1,275,000 |
| 17 Byram Brook Pl, Armonk | 1,519 | 02/07/2020 | $736,000 |
| 19 Sterling Rd S, Armonk | 6,010 | 03/25/1999 | $1 |