Walnut St, Mamaroneck, NY Property Records

Westchester County and Rye Town property records for 5 addresses on Walnut St, Mamaroneck, NY · Last verified August 2026

Walnut St Highlights

Properties 5
Latest Sale $700,000 (Aug 2025)
Deeds and Mortgages on File 8
Average Living Area 2,039 sq ft
Owner Occupied 80%
Median Annual Tax Bill $16,099
Median Year Built 1920
Average Ownership Tenure 3 years

Properties on Walnut St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

514 Walnut St

2 bd · 1 ba · 1,937 sqft · 0.104 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$700,000Aug 2025 $12,3152025 Amount on Record Nov 2013 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated May 2026

517 Walnut St

5 bd · 4 ba · 2,128 sqft · 0.143 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$20,3862025 1 Name on Record Assessor + 2 DocumentsUpdated Aug 2026

518 Walnut St

3 bd · 2 ba · 2,043 sqft · 0.101 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,5222025 2 Names on Record Owner Occupied AssessorUpdated May 2026

521 Walnut St

3 bd · 2 ba · 2,224 sqft · 0.147 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$16,0992025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated May 2026

522 Walnut St

3 bd · 2.5 ba · 1,867 sqft · 0.142 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$930,999Sep 2021 $17,6672025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated May 2026

Wildfire Risk on Walnut St

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach of burnable land

Property Records in Nearby Streets