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5 Big Rock Loop, Katonah, NY 10536 Property Records

Westchester County and Lewisboro Town property record for 5 Big Rock Loop, Katonah, NY 10536 · Last verified May 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 2,120 sqft · built 1932
Lot Size0.179 acres (7,817 sqft)
Owner2 Individual Names on File
Last Sale$525,000 (Aug 2017)
Tax Bill$2,216 (2025)
Deeds & MortgagesFeb 2021 Mortgage
Aug 2017 Sale
Flood ZoneZone X (minimal risk)
APN10790-009

Property Details

APN / Parcel Number

Primary APN10790-009
Alternative APNs
  • 3000107090000900900A0000
  • 553000 10790-009-009A

Interior

Bedrooms4 Beds
Stories1 Story
Building Area2,120 sqft Living Area

Exterior

Year BuiltBuilt 1932
Effective Year BuiltEffective 1932
Architectural StyleCape Cod
Exterior MaterialWood
Lot Area7,817 sqft (0.179 acres)
Lot Depth1 ft Depth
Garage TypeAttached
Garage Area250 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelElectric
SewerSeptic

Location & Zoning

Account Number10790-009
Street Address5 BIG ROCK LOOP
CityKATONAH
StateNY
Zip10536-2636
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal SubdivisionMAP OF LAKE KATONAH
Legal Block9-
Legal Lot Number9.A
JurisdictionWESTCHESTER NY
Township / Civil DivisionLEWISBORO
Census Block Group2
Census Block2005
Census Tract12501

Owner

Source: Westchester County and Lewisboro Town records · APN 10790-009

Assessment roll updated May 14, 2026 · Last verified May 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 File
Mailing AddressBIG ROCK LOOP, KATONAH, NY 10536
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Feb 04, 2021Deed of Trust, Mortgage · Conventional Mortgage
CONTINENTAL MORTGAGE BANKERS INC
Aug 03, 2017Grant Deed, Transfer
FIRST CHOICE TITLE AGENCY

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 03, 2017 · Amount on Record
Deed SaleAug 03, 2017 · Amount on Record
Prior SaleMar 22, 2002 · Amount on Record
Deed Document Number2017571993747
Record UpdatedJun 08, 2026

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionWESTCHESTER NY
Property Address5 BIG ROCK LOOP, KATONAH, NY 10536-2636
Transaction TypeMortgage
Record UpdatedApr 02, 2021
Title CompanyPARTNERS ABSTRACT CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0610343934
DateFeb 04, 2021
Instrument610343934
Lender
NameCONTINENTAL MORTGAGE BANKERS INC
TypeMortgage Company
AddressWESTBURY, NY 11590
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueFeb 01, 2051

August 2017: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionWESTCHESTER NY
Recording DateAug 03, 2017
Property Address5 BIG ROCK LOOP, KATONAH, NY 10536-2636
Document Number0571993747
Book / Page057199 / 003747
Instrument DateJul 19, 2017
Transaction TypeTransfer
Record UpdatedSep 27, 2018
Title CompanyFIRST CHOICE TITLE AGENCY

Transaction

AmountAmount Recorded
Tax$2,100.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address201 SPENCER ST #2A BROOKLYN NY 112054553, 2A, BROOKLYN, NY 11205-4553

Tax Assessment & Valuation

Source: Westchester County and Lewisboro Town records · Assessment roll updated May 14, 2026 · Last verified May 2026

Property Jurisdictions

TypeName
StateNew York
CountyWestchester County
County SubdivisionLewisboro Town
Unified School DistrictKatonah-Lewisboro Union Free School District (KG - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed ValueAssessed Market Value
2025$2,216.00$46,500 (+2.2%) Land $7,400 Building $39,100$741,626 (+4.64%) Land $118,022 Building $623,604
2024$45,500 (+3.64%) Land $7,400 Building $38,100$708,723 (+12.69%) Land $115,265 Building $593,458
2023$43,900 Land $7,400 Building $36,500$628,940 Land $106,017 Building $522,923

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Westchester County (36119C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361190125012, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies4 in force
Nearby Flood Claims4 (1979–2011)
Claims Outside the SFHA2 of 4
Most Recent ClaimAug 2011, rainfall accumulation, Hurricane Irene

Wildfire

Wildfire RiskLow
above 20% of the US · above 55% of New York
Wildfire LikelihoodAbout 1 in 5,000 per year
ExposureDirect
burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 44 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
VerizonFiber2,300 / 2,300
Optimum CommunicationsCable940 / 35

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G (outdoors only) and 4G LTE

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