1 Mill Ln, Armonk, NY 10504 Property Records

Westchester County and North Castle Town property record for 1 Mill Ln, Armonk, NY 10504

Property Summary

Property TypeSingle Family Home
Details4 bd · 3 ba · 2,660 sqft · built 1955
Lot Size1.73 acres (75,359 sqft)
Owner2 Individual Names on Record
Tax Bill$15,054 (2026)
Deeds & MortgagesDec 2025 Line of Credit
Nov 2022 Mortgage
Flood ZoneZone X (minimal risk)
APN553800 101.04-3-61

Property Details

APN / Parcel Number

Primary APN553800 101.04-3-61
Alternative APNs
  • 55380000104 0010 021
  • R1A

Interior

Bedrooms4 Beds
Full Baths3 Baths
Building Area2,660 sqft Living Area
1st Floor Area2,660 sqft
Basement Area748 sqft
Finished Basement748 sqft
Unfinished Basement748 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1955
Effective Year BuiltEffective 1955
Architectural StyleSplit Level
Exterior MaterialOther
Lot Area75,359 sqft (1.73 acres)
Garage TypeAttached
Garage Area500 sqft
Parking Spaces2 Parking Spaces
PorchPorch
Porch Area1,008 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C
Heating FuelOil
SewerSeptic
Water SourceCommercial

Location & Zoning

Account NumberR1A
Street Address1 MILL LN
CityARMONK
StateNY
Zip10504-2604
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR-1A
Legal Block3
Legal Lot Number61.000
JurisdictionWESTCHESTER NY
Township / Civil DivisionNORTH CASTLE
Census Block Group2
Census Block2013
Census Tract12304

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address1 MILL LN, ARMONK, NY 10504-2604
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Dec 8, 2025Deed of Trust, Mortgage · Line of Credit
EAST WEST BANK
Nov 28, 2022Deed of Trust, Mortgage · Conventional Mortgage
ROCKET MORTGAGE LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Record UpdatedOct 29, 2026

December 2025: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWESTCHESTER NY
Property Address1 MILL LN, ARMONK, NY 10504-2604
Transaction TypeMortgage
Record UpdatedDec 22, 2025
Title CompanyLIBERTY LAND ABSTRACT, LIBERTY LAND ABSTRACT INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address1 MILL LN, ARMONK, NY 10504-2604

Mortgage

Document Number0653413015
DateDec 8, 2025
Instrument653413015
Lender
NameEAST WEST BANK
TypeBank
AddressEL MONTE, CA 91731
Agreement
TypeLine of Credit
AmountAmount Recorded
Term359 Months
DueNov 20, 2055
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

November 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWESTCHESTER NY
Property Address1 MILL LN, ARMONK, NY 10504-2604
Transaction TypeMortgage
Record UpdatedDec 13, 2022
Title CompanyAMROCK LLC

Transferred To (Grantee/Buyer)

NameVerified Name
Address1 MILL LN, ARMONK, NY 10504-2604

Mortgage

Document Number0623323043
DateNov 28, 2022
Instrument623323043
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueDec 1, 2052
Interest
Rate TypeAdjustable Rate
Rate5.99%
AdjustableAdjustable Rate Rider
Type Change DateDec 1, 2029
Change Frequency6 Months
Min Rate At Change3%
Max Rate At Change10.9%
IndexOther
Margin3
Max Rate10.9%

Tax Assessment & Valuation

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$15,054.00 (-32.41%) Homeowner's exemption Senior Citizen's exemption
2025$22,274.00$14,300 (-) Land $3,700 Building $10,600$882,716 (+11.11%) Land $228,395 Building $654,321
2024Homeowner's exemption Senior Citizen's exemption$14,300 (-) Land $3,700 Building $10,600$794,445 (-8.33%) Land $205,556 Building $588,889
2023$14,300 Land $3,700 Building $10,600$866,666 Land $224,242 Building $642,424

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

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
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
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

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.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemNORTH CASTLE WATER DISTRICT #2
serves 1,200 people · EPA ID NY5903446
Water SourceGroundwater
Last State InspectionMar 2026
Lead4 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 83 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber
2,300 / 2,300
Optimum
Cable
940 / 35

Cell Coverage

5G and 4G LTE (outdoors only)

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