Off market dec 2018 for $745K

$1,306,514

Est. refi paymentEst. refi $5,888/mo

•

2,188

sq ft

21 Byram Lake Rd, Armonk, NY 10504

About this home

This updated Country Colonial in Armonk is situated on nearly 2 acres of land! A welcoming entrance opens to this well maintained home featuring; 4 bedrooms, 3 renovated bathrooms, a large eat in kitchen with stainless steel appliances, granite countertops, Jenn-air Convection Oven and a large pantry. In addition, this house offers hardwood floors throughout, master bedroom with on-suite, walk in closet, formal dinning room, recessed lighting, fireplace, crown molding, chair-rail, storage, newer washer and dryer, 2 car garage, whole house generator, new lawn sprinkler system and much more!! This property is also available for rent (MLS#4839310). Additional Information: Amenities:Storage,HeatingFuel:Oil Above Ground,ParkingFeatures:2 Car Attached,

Single-familyProperty Type

1978Year Built

1.86 acresLot Size

$597Est. Price/Sq.Ft.

2 spacesParking

Listing by Nicholas McMillan • Century 21 Hire Realty

Listing by Anthony Tompkins • Century 21 Hire Realty

Bought with Elena Kupka • J. Philip Real Estate, LLC.

Bought with J. Philip Faranda • J. Philip Real Estate, LLC.

Redfin checked: a few seconds ago

•Source:OneKey® MLS as Distributed by MLS Grid #H4828505

Redfin Estimate

$1,306,514

$562K since sold in December 2018$34K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 25.2% lower than the average sale price ($1.75M) of 6 comparable homes.

SOLD SEP 4, 2026
$1,600,000
A
4 beds2.5 baths2,865 sq ft
6 Birch Grove Dr, Armonk, NY 10504
Listing by William Raveis-New York, LLC
SOLD SEP 11, 2026
$2,062,125
B
4 beds3.5 baths3,014 sq ft
17 Byram Lake Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD JUN 24, 2026
$1,435,000
C
3 beds2.5 baths2,414 sq ft
20 Faraway Rd, Armonk, NY 10504
Listing by Compass Greater NY, LLC
SOLD FEB 5, 2026
$1,818,000
D
4 beds2.5 baths3,630 sq ft
34 Blair Rd, Armonk, NY 10504
Listing by William Raveis-New York LLC
SOLD AUG 25, 2026
$1,750,000
E
4 beds2.5 baths2,839 sq ft
40 Windmill Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD JUN 5, 2026
$1,813,000
F
4 beds3.5 baths3,358 sq ft
46 Oregon Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.

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Earn from this home

Sell

$729,435

Est. take-home

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Refinance

Est. cash available

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Rent

$3,472/mo

Redfin rental estimate

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Market trends in 10504, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

105.9%

+0.1% MoM

Median sale price

$1.9M

$152K MoM

Avg. days on market

21d

4 days MoM

Recently sold homes

5 MoM

New listings for sale

$2,400,000
4 beds5.5 baths5,139 sq ft
10 Cider Mill Cir, Armonk, NY 10504
Listing by William Raveis Real Estate
VIDEO TOUR
$2,995,000
5 beds6.5 baths7,141 sq ft
37 Sarles St, Armonk, NY 10504
Listing by Serhant LLC
$1,499,000
3 beds2.5 baths3,544 sq ft
115 Whippoorwill Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
$5,400,000
7 beds8.5 baths11,521 sq ft
2 Hollow Ridge Rd, Armonk, NY 10504
Listing by Compass Greater NY, LLC
$1,800,000
4 beds3.5 baths2,900 sq ft
8 Rosehill Dr, Armonk, NY 10504
Listing by William Raveis Real Estate
$5,895,000
6 beds6.5 baths4,653 sq ft
9 Cole Dr, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
See all

Provided by Redfin

Sale history for 21 Byram Lake Rd

Date

Event

Price

OneKey® MLS as Distributed by MLS Grid #H4828505

Dec 4, 2018

Sold

$745,000

$340/sq ft

Nov 8, 2018

Pending

—

Oct 11, 2018

Price Changed

$775,000

$354/sq ft

Oct 11, 2018

Relisted

—

Sep 24, 2018

Listing Removed

—

Aug 8, 2018

Price Changed

$799,500

$365/sq ft

Jul 30, 2018

Price Changed

$815,000

$372/sq ft

Jun 20, 2018

Listed

$829,900

$379/sq ft

OneKey® MLS as Distributed by MLS Grid #H4623650

Aug 3, 2016

Listing Removed

—

May 24, 2016

Listed

$819,000

$374/sq ft

OneKey® MLS as Distributed by MLS Grid #H4527913

Dec 19, 2015

Listing Removed

—

Jun 19, 2015

Listed

$859,000

$393/sq ft

OneKey® MLS as Distributed by MLS Grid #H4405262

Dec 28, 2014

Listing Removed

—

Apr 7, 2014

Listed

$899,000

$411/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$18,089 (+2.0%)

$2,800 + $13,350

$16,150

2025

$17,735 (+222.7%)

$2,800 + $13,350

$16,150

2024

$5,495 (−68.1%)

$2,800 + $13,350

$16,150

2023

$17,248 (+2.4%)

$2,800 + $13,350

$16,150

2022

$16,837 (+1.5%)

$2,800 + $13,350

$16,150

2021

$16,586 (−0.3%)

$2,800 + $13,350

$16,150

2020

$16,632

$2,800 + $13,350

$16,150

2019

$16,640

$2,800 + $13,350

$16,150

2018

$2,800 + $13,350

$16,150

2017

$2,800 + $13,350

$16,150

2016

$2,800 + $13,350

$16,150

2014

$2,800 + $11,600

$14,400

2013

$2,800 + $11,600

$14,400

2012

$2,800 + $11,600

$14,400

2011

$2,800 + $11,600

$14,400

2010

$2,800 + $11,600

$14,400

2009

$2,800 + $11,600

$14,400

2008

$2,800 + $11,600

$14,400

Tax history for 21 Byram Lake Rd

Year

Property tax

Land + Additions

Assessment*

2026

$18,089 (+2.0%)

$2,800 + $13,350

$16,150

2025

$17,735 (+222.7%)

$2,800 + $13,350

$16,150

2024

$5,495 (−68.1%)

$2,800 + $13,350

$16,150

2023

$17,248 (+2.4%)

$2,800 + $13,350

$16,150

2022

$16,837 (+1.5%)

$2,800 + $13,350

$16,150

2021

$16,586 (−0.3%)

$2,800 + $13,350

$16,150

2020

$16,632

$2,800 + $13,350

$16,150

2019

$16,640

$2,800 + $13,350

$16,150

2018

$2,800 + $13,350

$16,150

2017

$2,800 + $13,350

$16,150

2016

$2,800 + $13,350

$16,150

2014

$2,800 + $11,600

$14,400

2013

$2,800 + $11,600

$14,400

2012

$2,800 + $11,600

$14,400

2011

$2,800 + $11,600

$14,400

2010

$2,800 + $11,600

$14,400

2009

$2,800 + $11,600

$14,400

2008

$2,800 + $11,600

$14,400

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

—

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

1.86 Acres

Year renovated

—

Sq. Ft.

2,188

Year built

1979

Style

Single Family Residential

County

Westchester County

APN

553800A10800100030070000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 25, 2026.

Property details

Parking

Parking Information
Parking Total: 2
Parking Features: Attached, Driveway, Garage Door Opener

Interior

Fireplace Information
Has Fireplace
Fireplaces Total: 1

Heating & Cooling
Cooling: Attic Fan, Central Air
Heating: Baseboard, Oil, Propane

Interior Features
Interior Features: Eat-in Kitchen,Entrance Foyer,Formal Dining,Granite Counters,Primary Bathroom,Pantry,Walk-In Closet(s)
Window Features: Blinds, Drapes
Appliances: Dishwasher, Disposal, Dryer, Microwave, Refrigerator, Washer, Tankless Water Heater
Flooring: Hardwood
Levels: Two
Patio And Porch Features: Deck

Room Information
Basement YN: Yes
Attic: Full
Rooms Total: 8
Basement: Full, Unfinished

Bathroom Information
Bathrooms Full: 2
Bathrooms Half: 1

Exterior

Exterior Features
Exterior Features: Mailbox
Construction Materials: Cedar, Frame, Shake Siding
Security Features: Security System
Waterfront YN: No

Lot Information
Additional Parcels YN: No
Lot Features: Near School, Near Shops

Property Information
Stories: 2
Other Equipment: Generator
Living Area Source: Public Records
Property Sub Type: Single Family Residence
Property Condition: Actual

Financial

Tax Information
Tax Year: 2017
Tax Source: Municipality
Tax Annual Amount: $16,337

Financial Information
Buyer Financing: Cash

Utilities

Utility Information
Electric Company: Con-Edison
Sewer: Septic Tank
Utilities: Trash Collection Public

Location

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
County Or Parish: Westchester County

Public facts

Beds: —
Baths: 2.0
Sq. Ft.: 2,188
Stories: —
Lot Size: 1.86 acres
Style: Single Family Residential
Year Built: 1979
Year Renovated: —
County: Westchester County
APN: 553800A10800100030070000000

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

Wampus School

Public 3-5 • Assigned • 0.8mi

10/10

H C Crittenden Middle School

Public 6-8 • Assigned • 0.7mi

9/10

Byram Hills High School

Public 9-12 • Assigned • 0.3mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 97° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Armonk, NY • 10504

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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.

8.7 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.24M – $1.50M

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Nearby similar homes

$2,400,000

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Listing by Julia B Fee Sothebys Int. Rlty

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NEW CONSTRUCTION

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2 Israel Townsend Hl, Armonk, NY 10504

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New listings for sale in 10504

$2,400,000

4 beds5.5 baths5,139 sq ft

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Listing by William Raveis Real Estate

VIDEO TOUR

$2,995,000

5 beds6.5 baths7,141 sq ft

37 Sarles St, Armonk, NY 10504

Listing by Serhant LLC

$1,499,000

3 beds2.5 baths3,544 sq ft

115 Whippoorwill Rd, Armonk, NY 10504

Listing by William Raveis Real Estate

$5,400,000

7 beds8.5 baths11,521 sq ft

2 Hollow Ridge Rd, Armonk, NY 10504

Listing by Compass Greater NY, LLC

$1,800,000

4 beds3.5 baths2,900 sq ft

8 Rosehill Dr, Armonk, NY 10504

Listing by William Raveis Real Estate

$5,895,000

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Listing by Houlihan Lawrence Inc.

Home values near 21 Byram Lake Rd

Data from public records.

Address	Redfin Estimate
17 Byram Lake Road, Armonk, NY 4 Beds \| 3.5 Baths \| 3014 Sq. Ft.	$1,636,162
33 Byram Lake Road, Armonk, NY 3 Beds \| 2.5 Baths \| 2900 Sq. Ft.	$1,242,311

Address	Redfin Estimate
20 Byram Lake Road, Armonk, NY 4 Beds \| 4 Baths \| 3271 Sq. Ft.	$1,783,265
25 Byram Lake Road, Armonk, NY 4 Beds \| 3.5 Baths \| 5343 Sq. Ft.	$1,818,129

Address	Redfin Estimate
37 Byram Lake Road, Armonk, NY 4 Beds \| 2.5 Baths \| 2221 Sq. Ft.	$919,043
1 Rosanne Drive, Armonk, NY - Beds \| 2 Baths \| 2078 Sq. Ft.	$1,147,526

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2018. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 10504, NY

Sale history for 21 Byram Lake Rd

Tax history for 21 Byram Lake Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 10504

Home values near 21 Byram Lake Rd

More real estate resources