Google street view image for 21 Hemlock Rd, Hartsdale, NY 10530

Off market sep 2007 for $825K

$1,119,934

Est. refi paymentEst. refi $4,439/mo

•

2,090

sq ft

21 Hemlock Rd, Hartsdale, NY 10530

About this home

21 Hemlock Rd is a 2,090 square foot house on a 7,405 square foot lot with 4 bedrooms and 2.5 bathrooms. - it last sold on September 05, 2007 for $825,000. Based on Redfin's Hartsdale data, we estimate the home's value is $1,119,934.

Single-familyProperty Type

7,405 sq ftLot Size

$536Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,119,934

$295K since sold in September 2007$0 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.1% higher than the average sale price ($1.12M) of 6 comparable homes.

SOLD JUL 21, 2026
$1,366,000
A
4 beds2.5 baths2,180 sq ft
4 Northern Rd, Hartsdale, NY 10530
Listing by Houlihan Lawrence Inc.
SOLD SEP 18, 2026
$999,999
B
4 beds2.5 baths1,791 sq ft
25 Arden Dr, Hartsdale, NY 10530
Listing by Julia B Fee Sothebys Int. Rlty
SOLD OCT 12, 2026
$950,810
C
3 beds2.5 baths2,068 sq ft
26 Southern Rd, Hartsdale, NY 10530
Listing by Houlihan Lawrence Inc.
SOLD JUL 27, 2026
$1,350,000
D
4 beds3 baths2,201 sq ft
4 Southway, Hartsdale, NY 10530
Listing by Houlihan Lawrence Inc.
SOLD AUG 17, 2026
$1,216,000
E
4 beds3 baths2,060 sq ft
1 Arden Dr, Hartsdale, NY 10530
Listing by Compass Greater NY, LLC
SOLD JUL 6, 2026
$830,000
F
4 beds2.5 baths2,225 sq ft
60 Pine St, Ardsley, NY 10502
Listing by Howard Hanna Rand Realty

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Earn from this home

Sell

$722,565

Est. take-home

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Refinance

Est. cash available

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Rent

$2,235/mo

Redfin rental estimate

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Market trends in 10530, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

103.5%

0.3% MoM

Median sale price

$635K

$72K MoM

Avg. days on market

27d

1 days MoM

Recently sold homes

3 MoM

New listings for sale

OPEN SAT, 12:30PM TO 2:30PM
$810,000
3 beds2 baths1,900 sq ft
29 Beechwood Rd, Hartsdale, NY 10530
Listing by Julia B Fee Sothebys Int. Rlty
$415,000
2 beds2 baths1,100 sq ft
5 Rockledge Rd Unit 2A, Hartsdale, NY 10530
Listing by Keller Williams Realty Group
$849,000
6 beds2 baths1,904 sq ft
91 Columbia Ave, Hartsdale, NY 10530
Listing by CENTURY 21 ROYAL
$135,000
Studio1 bath600 sq ft
120 E Hartsdale Ave Unit 1C, Hartsdale, NY 10530
Listing by Mary Jane Pastor Realty
$899,000
4 beds2.5 baths2,252 sq ft
7 Frost Ln, Hartsdale, NY 10530
Listing by Julia B Fee Sothebys Int. Rlty
$499,999
3 beds2 baths1,517 sq ft
921 Colony Dr, Hartsdale, NY 10530
Listing by Real Broker NY LLC
$288,888
1 bed1 bath660 sq ft
330 Central Park Ave Unit F12, Scarsdale, NY 10583
Listing by Besmatch Crosswest Group Corp.
$299,000
2 beds1 bath1,200 sq ft
27 N Central Ave Unit 5D, Hartsdale, NY 10530
Listing by Houlihan-Parnes Properties
$750,000
3 beds2 baths1,526 sq ft
87 Lakeview Ave, Hartsdale, NY 10530
Listing by Julia B Fee Sothebys Int. Rlty
$225,000
1 bed1 bath900 sq ft
151 E Hartsdale Ave Unit 2B, Hartsdale, NY 10530
Listing by ERA Insite Realty Services
See all

Provided by Redfin

Sale history for 21 Hemlock Rd

Year

Property tax

Land + Additions

Assessment*

2026

$27,322 (+4.4%)

$281,800 + $568,400

$850,200

2025

$26,170 (+7.7%)

$281,800 + $568,400

$850,200

2024

$24,302 (+3.2%)

$281,800 + $498,200

$780,000

2023

$23,557 (−5.6%)

$255,900 + $443,600

$699,500

2022

$24,950 (+2.1%)

$255,900 + $419,100

$675,000

2021

$24,429 (+1.2%)

$286,000 + $386,000

$672,000

2020

$24,146 (+1.4%)

$293,800 + $342,900

$636,700

2019

$23,804

$293,800 + $342,900

$636,700

2018

$293,800 + $331,200

$625,000

2017

$293,800 + $356,500

$650,300

2016

$293,800 + $331,400

$625,200

2014

$1,850 + $16,050

$17,900

2013

$1,850 + $16,050

$17,900

2012

$1,850 + $16,050

$17,900

2011

$1,850 + $16,050

$17,900

2010

$1,850 + $16,050

$17,900

2009

$1,850 + $19,650

$21,500

2008

$1,850 + $19,650

$21,500

Tax history for 21 Hemlock Rd

Year

Property tax

Land + Additions

Assessment*

2026

$27,322 (+4.4%)

$281,800 + $568,400

$850,200

2025

$26,170 (+7.7%)

$281,800 + $568,400

$850,200

2024

$24,302 (+3.2%)

$281,800 + $498,200

$780,000

2023

$23,557 (−5.6%)

$255,900 + $443,600

$699,500

2022

$24,950 (+2.1%)

$255,900 + $419,100

$675,000

2021

$24,429 (+1.2%)

$286,000 + $386,000

$672,000

2020

$24,146 (+1.4%)

$293,800 + $342,900

$636,700

2019

$23,804

$293,800 + $342,900

$636,700

2018

$293,800 + $331,200

$625,000

2017

$293,800 + $356,500

$650,300

2016

$293,800 + $331,400

$625,200

2014

$1,850 + $16,050

$17,900

2013

$1,850 + $16,050

$17,900

2012

$1,850 + $16,050

$17,900

2011

$1,850 + $16,050

$17,900

2010

$1,850 + $16,050

$17,900

2009

$1,850 + $19,650

$21,500

2008

$1,850 + $19,650

$21,500

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

Property details

Exterior

Property Information
Subdivision Name: HEATHER HILL HEIGHTS

Lot Information
Land Sq. Ft: 7,441
Legal Lot Number: 14
Legal Block Number: 167
School Tax District: ARDSLEY
Municipality Name: GREENBURGH
Acres: 0.1708
State Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 4
Baths: 2.5
Sq. Ft.: 2,090
Stories: —
Parking Spaces: —
Basement: No
Accessible: No
Lot Size: 7,405 square feet
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Westchester County
APN: 552689A00822001670140000000
HOA Dues: —
Garage: Yes
Features: —

Home facts updated by owner on Apr 18, 2025

Around this home

Schools

Concord Road Elementary School

Public K-4 • Assigned • 0.5mi

9/10

Ardsley Middle School

Public 5-8 • Assigned • 1.4mi

10/10

Ardsley High School

Public 9-12 • Assigned • 0.2mi

10/10

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 100° 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

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

Provided by First Street

Historical weather

Hartsdale, NY • 10530

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

$1.06M – $1.29M

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Nearby similar homes

$899,000

4 beds2.5 baths2,252 sq ft

7 Frost Ln, Hartsdale, NY 10530

Listing by Julia B Fee Sothebys Int. Rlty

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New listings for sale in 10530

OPEN SAT, 12:30PM TO 2:30PM

$810,000

3 beds2 baths1,900 sq ft

29 Beechwood Rd, Hartsdale, NY 10530

Listing by Julia B Fee Sothebys Int. Rlty

$415,000

2 beds2 baths1,100 sq ft

5 Rockledge Rd Unit 2A, Hartsdale, NY 10530

Listing by Keller Williams Realty Group

$849,000

6 beds2 baths1,904 sq ft

91 Columbia Ave, Hartsdale, NY 10530

Listing by CENTURY 21 ROYAL

$135,000

Studio1 bath600 sq ft

120 E Hartsdale Ave Unit 1C, Hartsdale, NY 10530

Listing by Mary Jane Pastor Realty

$899,000

4 beds2.5 baths2,252 sq ft

7 Frost Ln, Hartsdale, NY 10530

Listing by Julia B Fee Sothebys Int. Rlty

$499,999

3 beds2 baths1,517 sq ft

921 Colony Dr, Hartsdale, NY 10530

Listing by Real Broker NY LLC

$288,888

1 bed1 bath660 sq ft

330 Central Park Ave Unit F12, Scarsdale, NY 10583

Listing by Besmatch Crosswest Group Corp.

$299,000

2 beds1 bath1,200 sq ft

27 N Central Ave Unit 5D, Hartsdale, NY 10530

Listing by Houlihan-Parnes Properties

$750,000

3 beds2 baths1,526 sq ft

87 Lakeview Ave, Hartsdale, NY 10530

Listing by Julia B Fee Sothebys Int. Rlty

Home values near 21 Hemlock Rd

Data from public records.

Address	Redfin Estimate
18 Hemlock Road, Hartsdale, NY 3 Beds \| 2 Baths \| 1675 Sq. Ft.	$1,021,312
20 Hemlock Road, Hartsdale, NY 4 Beds \| 3.5 Baths \| 2560 Sq. Ft.	$1,162,359

Address	Redfin Estimate
17 Hemlock Road, Hartsdale, NY 4 Beds \| 3.5 Baths \| 3076 Sq. Ft.	$1,750,556
19 Hemlock Road, Hartsdale, NY 4 Beds \| 2.5 Baths \| 2202 Sq. Ft.	$1,095,572

Address	Redfin Estimate
24 Hemlock Road, Hartsdale, NY 3 Beds \| 2.5 Baths \| 2362 Sq. Ft.	$1,258,221
26 Hemlock Road, Hartsdale, NY - Beds \| 3 Baths \| 1447 Sq. Ft.	$974,128

This data may not show owner updates. Learn more.

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