421 Willow Grove St, Hackettstown, NJ 07840 Property Records

Warren County and Hackettstown Town property record for 421 Willow Grove St, Hackettstown, NJ 07840

Property Summary

Property Type	Single Family Home
Details	1,032 sqft · built 1959
Lot Size	0.215 acres (9,374 sqft)
Owner	2 Individual Names on File
Last Sale	$315,000 (Sep 2021)
Tax Bill	$7,580 (2025)
Deeds & Mortgages	Sep 2021 Sale & Mortgage Nov 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`08-00048-0000-00011`

Property Details

APN / Parcel Number

Primary APN	`08-00048-0000-00011`
Alternative APN	`080004800011`

Interior

Stories	1 Story
Building Area	1,032 sqft Living Area
1st Floor Area	1,032 sqft

Exterior

Year Built	Built 1959
Effective Year Built	Effective 1959
Architectural Style	Ranch
Construction Type	Frame
Lot Area	9,374 sqft (0.215 acres)
Lot Dimensions	125 ft deep x 75 ft wide
Garage Type	Attached
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	421 WILLOW GROVE ST
City	HACKETTSTOWN
State	NJ
Zip	07840-1855
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R125
Legal Subdivision	WILLOW GROVE PARK SEC 01
Legal Block	48
Legal Lot Number	11
Jurisdiction	WARREN NJ
Township / Civil Division	HACKETTSTOWN
Census Block Group	2
Census Block	2010
Census Tract	31401

Owner

421 Willow Grove St is owned and occupied by two individuals who bought it in September 2021.

Source: Warren County and Hackettstown Town records, as of July 7, 2026

Owner of Record	2 Individual Names on File
Mailing Address	421 WILLOW GROVE ST, HACKETTSTOWN, NJ 07840-1855
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
Sep 29, 2021	Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC
Nov 5, 2020	Deed of Trust, Mortgage · VA Mortgage PENNYMAC
Aug 4, 2018	Deed of Trust, Mortgage · VA Mortgage PENNYMAC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 29, 2021 · Amount on File
Deed Sale	Sep 29, 2021 · Amount on File
Prior Sale	Jun 2, 2009 · Amount on File
Deed Document Number	2021562230
Deed Book / Page	3200 / 93
Record Updated	Oct 29, 2026

September 2021: Deed, Transfer

Document Type	Deed
Jurisdiction	WARREN NJ
Recording Date	Sep 29, 2021
Property Address	421 WILLOW GROVE ST, HACKETTSTOWN, NJ 07840-1855
Document Number	3200/93
Book / Page	3200 / 93
Instrument Date	Sep 22, 2021
Instrument	2021-562230
Transaction Type	Transfer
Record Updated	Oct 27, 2021
Title Company	WESTCOR LAND TITLE INSURANCE COMPANY, WESTCOR LAND TITLE INS CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$1,102.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	171 COLLEGE VIEW DR, 171, HACKETTSTOWN, NJ 07840-1020

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	421 WILLOW GROVE ST, HACKETTSTOWN, NJ 07840-1855

Mortgage

Document Number	2021562231
Date	Sep 29, 2021
Instrument	2021-562231

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2051

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WARREN NJ
Property Address	421 WILLOW GROVE ST, HACKETTSTOWN, NJ 07840-1855
Document Number	0000542157
Instrument Date	Nov 5, 2020
Transaction Type	Mortgage
Record Updated	Feb 10, 2021
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	421 WILLOW GROVE ST HACKETTSTOWN NJ 078401855, HACKETTSTOWN, NJ 07840-1855

Mortgage

Document Number	0000542157
Date	Dec 18, 2020
Book Page	006996/000049
Instrument	542157

Lender

Name	PENNYMAC
Address	WESTLAKE VILLAGE, CA 91361

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	360 Months
Due	Dec 17, 2050

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WARREN NJ
Property Address	421 WILLOW GROVE ST, HACKETTSTOWN, NJ 07840-1855
Document Number	0000497192
Instrument Date	Aug 4, 2018
Transaction Type	Mortgage
Record Updated	Oct 4, 2018
Title Company	TITLE SERVICE AND LIAISON COMPANIES

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Husband and Wife
Address	421 WILLOW GROVE ST HACKETTSTOWN NJ 078401855, HACKETTSTOWN, NJ 07840-1855

Mortgage

Document Number	0000497192
Date	Aug 13, 2018
Book Page	006613/000088
Instrument	497192

Lender

Name	PENNYMAC
Address	WESTLAKE VILLAGE, CA 91361

Agreement

Type	VA Mortgage
Amount	Amount on Record
Term	360 Months
Due	Aug 12, 2048

Tax Assessment & Valuation

The 2025 property tax bill for 421 Willow Grove St was $7,580, up 1.7% from the year before.

Source: Warren County and Hackettstown Town assessment roll, as of July 7, 2026

Property Jurisdictions

Type	Name
State	New Jersey
County	Warren County
Municipality	Hackettstown Town
Unified School District	Hackettstown Town School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$218,000 (-) Land $93,300 Building $124,700	$218,000 (-) Land $93,300 Building $124,700
2025	$7,580.00 (+1.7%)	$218,000 Land $93,300 Building $124,700	$218,000 Land $93,300 Building $124,700
2024	$7,453.00
2023		$218,000 Land $93,300 Building $124,700	$218,000 Land $93,300 Building $124,700
2022	$7,115.00

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

Flood

FEMA maps place 421 Willow Grove St in Zone X, an area of minimal flood risk, though there have been 17 flood claims nearby since 1979.

Source: FEMA National Flood Hazard Layer, effective September 29, 2011 · 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
Nearby Flood Policies	3 in force
Nearby Flood Claims	17 (1979–2024)
Claims Outside the SFHA	4 of 17
Most Recent Claim	Jan 2024 · rainfall accumulation
Claims by Event	Hurricane Irene, Aug 2011 · 4 claims Severe Storms And Flooding, Apr 2005 · 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 421 Willow Grove St 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 · lower than 65% of New Jersey
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	HACKETTSTOWN MUA serves 22,000 people · EPA ID NJ2108001
Water Source	Groundwater
Last State Inspection	Dec 2023
Lead	5 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	15 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.

Internet Providers

Source: FCC Broadband Data Collection, based on 294 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: Optimum.

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