Off market sep 2023 for $1.1M

$1,410,548

Est. refi paymentEst. refi $8,547/mo

•

3,041

sq ft

9 Round Hill Rd, Armonk, NY 10504

About this home

Set back and private on prestigious Round Hill Road. This unique contemporary style home is designed by renowned modernist Architect, Andrew Geller. Features 3 bedrooms, 2.5 bathrooms with open floor plan and is situated on 2 scenic acres. Each and every floor connects to the outside in this one-of-a-kind home with an abundance of natural light. Updated kitchen and first floor foyer both connect to a beautiful patio which is perfect for entertaining. Second floor bedrooms with catwalk views of the first floor living area, also step right out to a scenic open porch. Perfect for a primary residence or a weekend home. This hidden jewel is found approximately 45 minutes north of Manhattan! Minutes to the towns of Armonk, Bedford and Greenwich and 40-minute, express train commute to NY. Come experience this hidden oasis waiting for you! Additional Information: Amenities:Storage,HeatingFuel:Oil Below Ground,

Single-familyProperty Type

1965Year Built

2.02 acresLot Size

$464Est. Price/Sq.Ft.

Listing by Keri Cipriano • William Raveis Real Estate

Contact: (914) 273-3074

Bought with Stephanie Rosenhaus • William Raveis Real Estate

Redfin checked: 2 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #H6253153

Redfin Estimate

$1,410,548

$291K since sold in September 2023$45K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 12.2% lower than the average sale price ($1.61M) 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 AUG 25, 2026
$1,750,000
B
4 beds2.5 baths2,839 sq ft
40 Windmill Rd, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
SOLD SEP 10, 2026
$1,900,000
C
4 beds3 baths3,594 sq ft
53 Windmill Rd, Armonk, NY 10504
Listing by William Raveis Real Estate
SOLD OCT 15, 2026
$1,325,000
D
3 beds2 baths1,572 sq ft
11 Creemer Rd, Armonk, NY 10504
Listing by Compass Greater NY, LLC
SOLD MAY 26, 2026
$1,020,000
E
4 beds3.5 baths3,652 sq ft
2 Brookwood Rd, Bedford, NY 10506
Listing by Julia B Fee Sothebys Int. Rlty
SOLD JUL 28, 2026
$2,047,000
F
4 beds3.5 baths4,067 sq ft
47 Jackson Rd, Bedford, NY 10506
Listing by William Raveis Real Estate

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Earn from this home

Sell

$483,498

Est. take-home

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Refinance

Est. cash available

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Rent

$3,545/mo

Redfin rental estimate

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Market trends in 10504, NY

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

107.0%

+1.0% MoM

Median sale price

$2.1M

$209K MoM

Avg. days on market

23d

2 days MoM

Recently sold homes

6 MoM

New listings for sale

OPEN SAT, 12PM TO 3PM
$2,995,000
5 beds4.5 baths3,300 sq ft
12 Wampus Close, Armonk, NY 10504
Listing by William Raveis Real Estate
$2,495,000
3 beds4 baths4,120 sq ft
1 Fox Ridge Ct, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
OPEN SAT, 1PM TO 3PM
$1,375,000
4 beds2.5 baths3,164 sq ft
32 Sarles St, Armonk, NY 10504
Listing by Houlihan Lawrence Inc.
See all

Provided by Redfin

Sale history for 9 Round Hill Rd

Date

Event

Price

OneKey® MLS as Distributed by MLS Grid #H6253153

Sep 18, 2023

Sold

$1,120,000

$368/sq ft

Jul 25, 2023

Pending

—

Jul 5, 2023

Listed

$1,050,000

$345/sq ft

Jun 27, 2023

Coming Soon

$1,050,000

$345/sq ft

OneKey® MLS as Distributed by MLS Grid #H4634072

Jun 23, 2017

Sold

$620,000

$204/sq ft

Apr 7, 2017

Contingent

—

Mar 13, 2017

Price Changed

$640,000

$210/sq ft

Feb 10, 2017

Price Changed

$660,000

$217/sq ft

Feb 2, 2017

Price Changed

$675,000

$222/sq ft

Jan 9, 2017

Price Changed

$700,000

$230/sq ft

Nov 4, 2016

Price Changed

$759,000

$250/sq ft

Sep 11, 2016

Price Changed

$779,000

$256/sq ft

Jul 27, 2016

Listed

$789,000

$259/sq ft

Armonk- Contemporary style 2,898 square foot, 3-bedroom, 2.5 bath home situated on 2 scenic acres designed by famous modernist architect and artist Andrew Geller. This is a one-of-a-kind home with a fireplace in the living room and master bedroom, an abundance of natural light, large circular driveway, patio, all on a private 2-acre parcel of land. Byram Hills Schools. Additional Information: HeatingFuel:Oil Below Ground,

Public Records

Apr 11, 2002

Sold

$555,000

$183/sq ft

Public Records

Jun 28, 1993

Sold

$365,000

$120/sq ft

Year

Property tax

Land + Additions

Assessment*

2026

$15,636 (−8.0%)

$3,000 + $12,500

$15,500

2025

$16,999 (−1.6%)

$3,000 + $12,500

$15,500

2024

$17,278 (+4.4%)

$3,000 + $12,500

$15,500

2023

$16,554 (+2.4%)

$3,000 + $12,500

$15,500

2022

$16,166 (+1.4%)

$3,000 + $12,500

$15,500

2021

$15,937 (−0.3%)

$3,000 + $12,500

$15,500

2020

$15,985 (−0.1%)

$3,000 + $12,500

$15,500

2019

$16,003

$3,000 + $12,500

$15,500

2018

$3,000 + $12,500

$15,500

2017

$3,000 + $12,500

$15,500

2016

$3,000 + $12,500

$15,500

2014

$3,000 + $12,500

$15,500

2013

$3,000 + $12,500

$15,500

2012

$3,000 + $12,500

$15,500

2011

$3,000 + $12,500

$15,500

2010

$3,000 + $12,500

$15,500

2009

$3,000 + $12,500

$15,500

2008

$3,000 + $12,500

$15,500

Tax history for 9 Round Hill Rd

Year

Property tax

Land + Additions

Assessment*

2026

$15,636 (−8.0%)

$3,000 + $12,500

$15,500

2025

$16,999 (−1.6%)

$3,000 + $12,500

$15,500

2024

$17,278 (+4.4%)

$3,000 + $12,500

$15,500

2023

$16,554 (+2.4%)

$3,000 + $12,500

$15,500

2022

$16,166 (+1.4%)

$3,000 + $12,500

$15,500

2021

$15,937 (−0.3%)

$3,000 + $12,500

$15,500

2020

$15,985 (−0.1%)

$3,000 + $12,500

$15,500

2019

$16,003

$3,000 + $12,500

$15,500

2018

$3,000 + $12,500

$15,500

2017

$3,000 + $12,500

$15,500

2016

$3,000 + $12,500

$15,500

2014

$3,000 + $12,500

$15,500

2013

$3,000 + $12,500

$15,500

2012

$3,000 + $12,500

$15,500

2011

$3,000 + $12,500

$15,500

2010

$3,000 + $12,500

$15,500

2009

$3,000 + $12,500

$15,500

2008

$3,000 + $12,500

$15,500

*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

2.02 Acres

Year renovated

—

Sq. Ft.

3,041

Year built

1965

Style

Single Family Residential

County

Westchester County

APN

553800A10200100020640000000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 25, 2026.

Property details

Parking

Parking Information
Parking Features: Driveway

Interior

Virtual Tour Information

Fireplace Information
Has Fireplace
Fireplaces Total: 2

Heating & Cooling
Cooling: Wall/Window Unit(s)
Heating: Baseboard, Hot Water, Oil

Interior Features
Interior Features: Cathedral Ceiling(s),Ceiling Fan(s),Chandelier,Eat-in Kitchen,Entrance Foyer,Formal Dining,High Ceilings,Kitchen Island,Primary Bathroom,Open Kitchen,Walk-In Closet(s)
Window Features: Floor to Ceiling Windows, Wall of Windows
Laundry Features: Inside
Appliances: Dryer, Refrigerator, Stainless Steel Appliance(s), Washer, Oil Water Heater
Patio And Porch Features: Patio

Room Information
Basement YN: Yes
Attic: None
Rooms Total: 8
Basement: Partial
Additional Rooms: Dining Area,Office

Bathroom Information
Bathrooms Full: 2
Bathrooms Half: 1

Exterior

Exterior Features
Construction Materials: Frame, Wood Siding
Security Features: Security System
Waterfront YN: No

Lot Information
Additional Parcels YN: No
Lot Features: Part Wooded, Views

Property Information
Living Area Source: Public Records
Property Sub Type: Single Family Residence
Property Condition: Actual

Financial

Tax Information
Tax Year: 2022
Tax Source: Municipality
Tax Annual Amount: $16,265

Financial Information
Buyer Financing: Conventional

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.: 3,041
Stories: —
Lot Size: 2.02 acres
Style: Single Family Residential
Year Built: 1965
Year Renovated: —
County: Westchester County
APN: 553800A10200100020640000000

Home facts updated by county records on Sep 25, 2026

Around this home

Schools

Coman Hill School

Public K-2 • Assigned • 1.5mi

H C Crittenden Middle School

Public 6-8 • Assigned • 3.0mi

9/10

Byram Hills High School

Public 9-12 • Assigned • 1.9mi

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

3/10 Fire Factor

0.15% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 98° 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

$1.34M – $1.62M

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Nearby similar homes

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New listings for sale in 10504

OPEN SAT, 12PM TO 3PM

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OPEN SAT, 1PM TO 3PM

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Home values near 9 Round Hill Rd

Data from public records.

Address	Redfin Estimate
17 Round Hill Rd, Armonk, NY - Beds \| 2 Baths \| 3313 Sq. Ft.	$1,437,756
16 Round Hill Rd, Armonk, NY 4 Beds \| 4.5 Baths \| 4100 Sq. Ft.	$1,962,974

Address	Redfin Estimate
15 Round Hill Rd, Armonk, NY - Beds \| 2 Baths \| 3036 Sq. Ft.	$1,330,422
12 Round Hill Rd, Armonk, NY - Beds \| 3 Baths \| 3119 Sq. Ft.	$1,607,929

Address	Redfin Estimate
14 Round Hill Rd, Armonk, NY - Beds \| 3 Baths \| 4176 Sq. Ft.	$1,708,284
21 Round Hill Rd, Armonk, NY - Beds \| 2 Baths \| 3443 Sq. Ft.	$989,914

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2023. This data may not match . Learn more.

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