9 Niles Ave, Armonk, NY 10504 Property Records

Westchester County and North Castle Town property record for 9 Niles Ave, Armonk, NY 10504

Property Summary

Property Type	Single Family Home
Details	2 ba · 1,875 sqft · built 1940
Lot Size	0.21 acres (9,148 sqft)
Owner	2 Individual Names on File
Last Sale	$730,000 (Feb 2022)
Tax Bill	$15,161 (2026)
Deeds & Mortgages	Apr 2022 Line of Credit Feb 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`553800 108.01-4-28`

Property Details

APN / Parcel Number

Primary APN	`553800 108.01-4-28`
Alternative APNs	`55380000213 0040C22000` `R5`

Interior

Full Baths	2 Baths
Stories	2 Stories
Building Area	1,875 sqft Living Area
1st Floor Area	1,875 sqft
Basement Area	617 sqft
Finished Basement	617 sqft
Unfinished Basement	617 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1940
Lot Area	9,148 sqft (0.21 acres)
Garage Type	Attached
Garage Area	250 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central
Sewer	Septic
Water Source	Well

Location & Zoning

Account Number	R5
Street Address	9 NILES AVE
City	ARMONK
State	NY
Zip	10504-2036
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-5
Legal Block	4
Legal Lot Number	28.000
Jurisdiction	WESTCHESTER NY
Township / Civil Division	NORTH CASTLE
Census Block Group	1
Census Block	1019
Census Tract	12303

Owner

9 Niles Ave is owned and occupied by two individuals who bought it in February 2022.

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

Owner of Record	2 Individual Names on File
Mailing Address	9 NILES AVE, ARMONK, NY 10504-2036
Occupancy	Owner Occupied
Owner Type	Individual

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

Date	Document
Apr 20, 2022	Deed of Trust, Mortgage · Line of Credit QUORUM FEDERAL CU
Feb 2, 2022	Bargain and Sale Deed, Transfer · Conventional Mortgage BETTER MORTGAGE CORPORATION

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 2, 2022 · Amount on File
Deed Sale	Feb 2, 2022 · Amount on File
Prior Sale	Feb 13, 2007 · Amount on File
Deed Document Number	20223915
Prior Transfer Date	Jan 19, 2022
Prior Transfer Doc	0000003915
Record Updated	Oct 29, 2026

April 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WESTCHESTER NY
Property Address	9 NILES AVE, ARMONK, NY 10504-2036
Transaction Type	Mortgage
Record Updated	Feb 15, 2024
Title Company	SERVICELINK HOME EQUITY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	9 NILES AVE, ARMONK, NY 10504-2036
Investor	Possibly a Property Investor

Mortgage

Document Number	0621093760
Date	Apr 20, 2022
Instrument	621093760

Lender

Name	QUORUM FEDERAL CU
Type	Credit Union
Address	PURCHASE, NY 10577

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	359 Months
Due	Mar 1, 2052

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2022: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	WESTCHESTER NY
Recording Date	Feb 2, 2022
Property Address	9 NILES AVE, ARMONK, NY 10504-2036
Document Number	0620143915
Instrument Date	Jan 19, 2022
Instrument	620143915
Transaction Type	Transfer
Record Updated	Feb 15, 2024
Title Company	LANGDON TITLE AGENCY LLC

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$2,920.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	9 NILES AVE, ARMONK, NY 10504-2036

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	291 OAK PARK DR, SAN FRANCISCO, CA 94131-1104
Investor	Possibly a Property Investor

Mortgage

Document Number	0620273160
Date	Feb 2, 2022
Instrument	620273160

Lender

Name	BETTER MORTGAGE CORPORATION
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Feb 1, 2052

Tax Assessment & Valuation

The 2026 property tax bill for 9 Niles Ave was $15,161, down 12.3% from the year before.

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

Property Jurisdictions

Type	Name
State	New York
County	Westchester County
County Subdivision	North Castle Town
Unified School District	Byram Hills Central School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$15,161.00 (-12.32%)
2025	$17,291.00	$13,500 (-) Land $1,200 Building $12,300	$833,333 (+11.11%) Land $74,074 Building $759,259
2024		$13,500 (-) Land $1,200 Building $12,300	$750,000 (-8.33%) Land $66,667 Building $683,333
2023		$13,500 Land $1,200 Building $12,300	$818,182 Land $72,727 Building $745,455

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.

Flood

FEMA maps place 9 Niles Ave in Zone X, an area of minimal flood risk, though there have been 16 flood claims nearby since 1979.

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 24 policies
Nearby Flood Policies	24 in force
Nearby Flood Claims	16 (1979–2024)
Claims Outside the SFHA	10 of 16
Most Recent Claim	Jun 2024 · other causes
Claims by Event	Remnants Of Hurricane Ida, Sep 2021 · 2 claims Hurricane Irene, Aug 2011 · 2 claims

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 9 Niles Ave is low, with a 0.01% annual chance of wildfire.

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

Wildfire Risk	Low lower than 80% of the US · above 54% of New York
Wildfire Likelihood	0.01% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 System	NORTH CASTLE WATER DISTRICT #4 serves 1,225 people · EPA ID NY5922909
Water Source	Groundwater
Last State Inspection	Mar 2026
Lead	3 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 68 locations within half a mile, as of December 31, 2025

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

Cell Coverage

5G (outdoors only) and 4G LTE

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