21 Locust St is a 1,602 square foot house on a 6,778 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on April 04, 2003 for $437,350. Based on Redfin's Valhalla data, we estimate the home's value is $817,269.
Single-familyProperty Type
1948Year Built
6,778 sq ftLot Size
$510Est. Price/Sq.Ft.
1 spaceParking
Source:Public Records
Redfin Estimate
$817,269
$380K since sold in April 2003$6,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.9% higher than the average sale price ($772K) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Oct 6, 2026 • Active
Building
Kitchen
Remodel
Oct 16, 2025 • Active
Electrical
Install wiring for new countertop receptacles and a new oven line. Hang two light fixtures.
Electrical
Kitchen
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Fuel Type: Oil
Heating Type: Hot Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: Split Level
Exterior Wall: Aluminum/Vinyl
Property Information
Subdivision Name: CLARK SHELLEY ESTATE
Living Sq. Ft: 1,602
Ground Floor Sq. Ft: 1,068
Building Sq. Ft: 1,602
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,778
Legal Lot Number: 3
Legal Block Number: 4
School Tax District: VALHALLA
Municipality Name: MOUNT PLEASANT
Acres: 0.1556
Zoning Code: 02
State Use Description: SINGLE FAMILY RESID
Utility Information
Sewer Type: Public
Water Service Type: Commercial
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,602
Stories: —
Lot Size: 6,778 square feet
Style: Single Family Residential
Year Built: 1948
Year Renovated: —
County: Westchester County
APN: 553489A11701100040030000000
Home facts updated by county records on Sep 25, 2026
Around this home
Schools
Kensico School
Public 3-5 • Assigned • 0.7mi
8/10
Valhalla Middle School
Public 6-8 • Assigned • 0.5mi
10/10
Valhalla High School
Public 9-12 • Assigned • 0.5mi
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 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
4 unhealthy days expected this year, 6 days in 30 years
Provided by First Street
Historical weather
Valhalla, NY • 10595
Average low and high temperatures (°F)
34
22
37
24
53
35
62
44
70
53
81
63
85
68
81
62
77
59
66
48
54
39
39
27
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
$777,000 – $940,000
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