20 Round Hill Rd, Armonk, NY 10504 Property Records

Westchester County and North Castle Town property record for 20 Round Hill Rd, Armonk, NY 10504

Property Summary

Property TypeResidential Vacant Land
Lot Size10.6 acres (464,785 sqft)
OwnerCompany Name on File
Last Sale$1,550,000 (Aug 2023)
Tax Bill$7,715 (2026)
Deeds & MortgagesDec 2025 Construction Loan
Aug 2023 Sale
+ 1 more
Flood ZoneZone X (minimal risk)
APN553800 109.01-1-49.5

Property Details

APN / Parcel Number

Primary APN553800 109.01-1-49.5
Alternative APNs
  • 55380000109 0013 008
  • R2A

Exterior

Lot Area464,785 sqft (10.6 acres)

Utilities, Heating & Cooling

SewerSeptic
Water SourceWell

Location & Zoning

Account NumberR2A
Street Address20 ROUND HILL RD
CityARMONK
StateNY
Zip10504-2821
Property CategoryResidential
Property TypeVacant Land > Residential
Local Zoning CodeR-2A
Legal Block1
Legal Lot Number49.005
JurisdictionWESTCHESTER NY
Township / Civil DivisionNORTH CASTLE
Census Block Group2
Census Block2016
Census Tract12304

Owner

20 Round Hill Rd, residential vacant land, is owned by a company that bought it in August 2023.

Source: Westchester County and North Castle Town records, as of October 21, 2026

Owner of RecordCompany Name on File
Mailing Address1325 HARBOR RD, HEWLETT, NY 11557-2640
Owner TypeCompany
VestingCompany

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Dec 17, 2025Deed of Trust, Mortgage · Construction Mortgage
CITIZENS BANK NA
Aug 24, 2023Bargain and Sale Deed, Transfer
BENCHMARK TITLE COMPANY, BENCHMARK TITLE AGENCY LLC
Jul 18, 2017Loan Modification, Mortgage
STERLING NAT'L BK

Assessor's Deed Record

Deed NamesName on Deed
Last SaleAug 24, 2023 · Amount on File
Deed SaleAug 24, 2023 · Amount on File
Deed Document Number20233318
Record UpdatedOct 29, 2026

December 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWESTCHESTER NY
Property Address20 ROUND HILL RD, ARMONK, NY 10504-2821
Transaction TypeMortgage
Record UpdatedDec 30, 2025
Title CompanySECURITY SETTLEMENT SERVICES INC, EQUITY SETTLEMENT SVCS INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address1325 HARBOR RD, HEWLETT, NY 11557-2640

Mortgage

Document Number0653513258
DateDec 17, 2025
Instrument653513258
Lender
NameCITIZENS BANK NA
TypeBank
AddressPROVIDENCE, RI 02903
Agreement
TypeConstruction Mortgage
AmountAmount on Record
Term359 Months
DueNov 1, 2055
Interest
Rate TypeAdjustable Rate
Rate5.87%
AdjustableAdjustable Rate Rider
Type Change DateNov 1, 2032
Change Frequency6 Months
Min Rate At Change2.75%
Max Rate At Change10.8%
IndexSOFR Average 30-Day
Max Rate10.8%

August 2023: Bargain and Sale Deed, Transfer

Document TypeBargain and Sale Deed
JurisdictionWESTCHESTER NY
Recording DateAug 24, 2023
Property Address20 ROUND HILL RD, ARMONK, NY 10504-2821
Document Number0632203318
Map ReferenceMAP 27849
Instrument DateAug 16, 2023
Instrument632203318
Transaction TypeTransfer
Record UpdatedSep 4, 2023
Title CompanyBENCHMARK TITLE COMPANY, BENCHMARK TITLE AGENCY LLC

Transaction

AmountAmount on Record
Tax$6,200.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length
  • Multiple Parcels

Transferred From (Grantor/Seller)

NameVerified Name
Address170 HAMILTON AVE, WHITE PLAINS, NY 10601-1715

Transferred To (Grantee/Buyer)

NameVerified Name
Address20 ROUND HILL RD, ARMONK, NY 10504-2821

July 2017: Loan Modification, Mortgage

Document TypeLoan Modification
JurisdictionWESTCHESTER NY
Recording DateJul 18, 2017
Property Address20 ROUND HILL RD, ARMONK, NY 10504-2821
Book / Page057194 / 003109
Instrument DateJun 28, 2017
Transaction TypeMortgage
Record UpdatedAug 7, 2017
Title CompanySTATEWIDE ABSTRACT

Transaction

Tax$0.00
Additional
  • Multiple Parcels

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address4 W RED OAK LN #107 WHITE PLAINS NY 106043603, 107, WHITE PLAINS, NY 10604-3603

Mortgage

Document Number0571943109
DateJul 18, 2017
Book Page057194/003109
Lender
NameSTERLING NAT'L BK
TypeBank
AddressYONKERS, NY 10707
Agreement
AmountAmount on Record
Term84 Months
DueJul 17, 2024
Interest
Rate TypeFixed Rate
Rate5.14%

Tax Assessment & Valuation

The 2026 property tax bill for 20 Round Hill Rd was $7,715, up 139.4% from the year before.

Source: Westchester County and North Castle Town assessment roll, as of May 14, 2026

Property Jurisdictions

TypeName
StateNew York
CountyWestchester County
County SubdivisionNorth Castle Town
Unified School DistrictByram Hills Central School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$7,715.00 (+139.45%)
2025$3,222.00$6,900 (-) Land $6,900$425,926 (+11.11%) Land $425,926
2024$6,900 (-) Land $6,900$383,333 (-8.33%) Land $383,333
2023$6,900 (-) Land $6,900$418,182 (+17.58%) Land $418,182
2022$6,900 Land $6,900$355,670 Land $355,670

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 20 Round Hill Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone A, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 26 policies
Nearby Flood Policies26 in force
Nearby Flood Claims25 (1978–2023)
Claims Outside the SFHA10 of 25
Most Recent ClaimDec 2023 · other causes

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 20 Round Hill Rd is low, with a 0.02% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · above 54% of New York
Wildfire Likelihood0.02% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 27 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber
2,300 / 2,300
Optimum
Cable · Fiber in parts of the area
940 / 35

Cell Coverage

5G and 4G LTE (outdoors only)

Nearby Properties on Round Hill Rd

Nearby Streets

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