This home's estimate is 6.4% lower than the average sale price ($1.98M) of 6 comparable homes.
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- Property details
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21 Frog Rock Rd, Armonk, NY 10504
About this home
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Market trends in 10504, NY
Last updated August 2026
Buyer's Market
Seller's Market
Seller's market
- NEW 4 HRS AGO$1,575,0003 beds3 baths2,360 sq ft5 Byram Brook Pl, Armonk, NY 10504Listing by Houlihan Lawrence Inc.
- $1,595,0003 beds3.5 baths3,273 sq ft3 Cider Mill Cir, Armonk, NY 10504Listing by William Raveis Real Estate
- $2,899,9005 beds7 baths7,375 sq ft24 Meadow Hill Pl, Armonk, NY 10504Listing by Compass Greater NY, LLC
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Provided by Redfin
Sale history for 21 Frog Rock Rd
As the MLS and public records start to fill up, we'll list the details here.
Tax history for 21 Frog Rock Rd
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Property details
Interior
- Basement Information
- Basement Type: Full
- Bathroom Information
- # of Full Baths: 4
- Heating & Cooling
- Air Conditioning Type: Central
- Heating Fuel Type: Electric
- Heating Type: Hot Air
- Fireplace Information
- # of Fireplaces: 1
- Has Fireplace
Exterior
- Exterior Information
- Physical Condition: Average
- Building Style Type: Colonial
- Exterior Wall: Frame Wood
- Property Information
- Subdivision Name: CHISELHURST CO INC
- Living Sq. Ft: 3,504
- Ground Floor Sq. Ft: 1,781
- Building Sq. Ft: 4,004
- Parking & Garage Information
- Parking Type: Attached Garage
- Garage/Parking Sq. Ft: 500
- Garage / Carport Type: Attached
- Lot Information
- # of Buildings: 1
- Land Sq. Ft: 80,524
- Legal Lot Number: 18
- Legal Block Number: 1
- School Tax District: CHAPPAQUA
- Municipality Name: NEW CASTLE
- Acres: 1.8486
- Zoning Code: R-2A
- State Use Description: SINGLE FAMILY RESID
- Utility Information
- Sewer Type: Public
- Water Service Type: Private
Financial
- Assessor Information
- Assessment Year: 2025
Public facts
- Beds: 4
- Baths: 4.0
- Sq. Ft.: 3,504
- Stories: —
- Lot Size: 1.85 acres
- Style: Single Family Residential
- Year Built: 1993
- Year Renovated: —
- County: Westchester County
- APN: 553600A10101700010180000000
Around this home
Schools
Public PreK-4 • 0.9mi
Public 5-8 • 1.6mi
Public 9-12 • 2.1mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
6 days above 97° expected this year, 13 days in 30 years
26% chance of strong winds in next 30 years
5 unhealthy days expected this year, 7 days in 30 years
Sun exposure
In this area, properties receive around 8.7 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.
Nearby similar homes
New listings for sale in 10504
Home values near 21 Frog Rock Rd
| Address | Redfin Estimate |
|---|---|
3 Beds | 3.5 Baths | 3131 Sq. Ft. | $1,964,428 |
3 Beds | 4 Baths | 4910 Sq. Ft. | $3,698,000 |
| Address | Redfin Estimate |
|---|---|
5 Beds | 6 Baths | 4535 Sq. Ft. | $2,279,962 |
3 Beds | 3 Baths | 3207 Sq. Ft. | $1,582,231 |
| Address | Redfin Estimate |
|---|---|
5 Beds | 4 Baths | 5702 Sq. Ft. | $2,286,133 |
4 Beds | 5 Baths | 4750 Sq. Ft. | $2,428,806 |
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