This home's estimate is 8.6% lower than the average sale price ($2.10M) of 6 comparable homes.
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- Sale & tax history
- Property details
- Neighborhood
- Climate
21 Day Rd, Armonk, NY 10504
About this home
Well built 5 bedroom Colonial home with 2 private, wooded acres on a quiet street in the sought after location of Yale Farms. Close to town, schools and train. A standout feature is the walk out lower level with a large playroom, nanny/guest or office suite with its own entrance, garage, kitchenette and full bath. There are 3 garages in total, 2 located on the level driveway at main floor of the home. Enjoy sunset views on your deck and heated porch in every season. Move in ready with hardwood floors, wood burning fireplace and generous storage space (21 closets, full finished attic). The chef's kitchen has a 6 burner gas range & high end appliances. Updated bathrooms & the Master bath designed with dual vanities. Four more bedrooms offer fantastic space. Custom built by a builder for himself with steel beam construction and insulated for sound proofing. North White Plains Metro North is a short drive to 38 minute express train to NYC. Make it your own! Additional Information: HeatingFuel:Oil Above Ground,ParkingFeatures:3 Car Attached,
Redfin Estimate
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Market trends in 10504, NY
Last updated August 2026
Buyer's Market
Seller's Market
Seller's market
- OPEN SUN, 1PM TO 3PM$999,0003 beds2.5 baths2,500 sq ft31 Byram Hill Rd, Armonk, NY 10504Listing by Houlihan Lawrence Inc.
- $425,000Studio1 bath500 sq ft20 Whippoorwill Rd E, Armonk, NY 10504Listing by Houlihan Lawrence Inc.
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Provided by Redfin
Sale history for 21 Day Rd
$250/sq ft
$260/sq ft
$263/sq ft
$273/sq ft
$133/sq ft
Tax history for 21 Day Rd
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Property details
Parking
- Parking Information
- Parking Total: 3
- Parking Features: Attached
Interior
- Virtual Tour Information
- Fireplace Information
- Has Fireplace
- Fireplaces Total: 1
- Heating & Cooling
- Cooling: Central Air
- Heating: Hot Water, Oil
- Interior Features
- Interior Features: Primary Bathroom
- Laundry Features: Inside
- Appliances: Oil Water Heater
- Flooring: Hardwood
- Levels: Three Or More
- Patio And Porch Features: Deck, Porch
- Room Information
- Basement YN: Yes
- Attic: Finished,Pull Stairs
- Rooms Total: 12
- Basement: Finished, Full
- Bathroom Information
- Bathrooms Full: 3
- Bathrooms Half: 1
Exterior
- Exterior Features
- Construction Materials: Frame, Shingle Siding, Structurally Insulated Panels
- Waterfront YN: No
- Lot Information
- Additional Parcels YN: No
- Lot Features: Near School, Near Shops, Part Wooded, Sloped
- Property Information
- Stories: 3
- Living Area Source: Public Records
- Property Sub Type: Single Family Residence
Financial
- Tax Information
- Tax Year: 2020
- Tax Source: Municipality
- Tax Annual Amount: $20,740
- Financial Information
- Buyer Financing: Conventional
Utilities
- Utility Information
- Electric Company: Con-Edison
- Sewer: Septic Tank
- Utilities: Trash Collection Public
Location
- HOA Information
- Association Amenities: Park
- School Information
- Elementary School: Coman Hill
- Middle Or Junior School: H C Crittenden Middle School
- High School: Byram Hills High School
- High School District: Byram Hills
- Location Information
- Hamlet: Armonk
- Directions: Route 22 to Riversville Road. Left on Day Road. #21 is on the right hand side. Call the office to log appointments
- County Or Parish: Westchester County
- Community Information
- Community Features: Park
Public facts
- Beds: —
- Baths: 3.0
- Sq. Ft.: 4,055
- Stories: —
- Lot Size: 2.01 acres
- Style: Single Family Residential
- Year Built: 1968
- Year Renovated: —
- County: Westchester County
- APN: 553800A10800400010260000000
Around this home
Schools
Public 3-5 • Assigned • 1.1mi
Public 6-8 • Assigned • 0.9mi
Public 9-12 • Assigned • 1.0mi
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
7 days above 97° expected this year, 15 days in 30 years
27% 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 Day Rd
| Address | Redfin Estimate |
|---|---|
- Beds | 2 Baths | 2793 Sq. Ft. | $1,184,922 |
5 Beds | 6 Baths | 6676 Sq. Ft. | $2,652,250 |
| Address | Redfin Estimate |
|---|---|
- Beds | 2 Baths | 2405 Sq. Ft. | $1,192,944 |
3 Beds | 2.5 Baths | 2600 Sq. Ft. | $1,451,836 |
| Address | Redfin Estimate |
|---|---|
- Beds | 4 Baths | 7325 Sq. Ft. | $3,463,059 |
- Beds | 2 Baths | 6112 Sq. Ft. | $1,395,709 |
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