423 William St, Somerville, NJ 08876 Property Records

Somerset County and Somerville Borough property record for 423 William St, Somerville, NJ 08876

Property Summary

Property Type	Single Family Home
Details	1,688 sqft · built 1962
Lot Size	0.212 acres (9,230 sqft)
Owner	2 Individual Names on Record
Last Sale	$289,000 (Feb 2015)
Tax Bill	$14,399 (2025)
Deeds & Mortgages	Sep 2025 Second Mortgage Jan 2023 Second Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`18-00081-0000-00002`

Property Details

APN / Parcel Number

Primary APN	`18-00081-0000-00002`
Alternative APN	`180008100002`

Interior

Stories	1 Story
Building Area	1,688 sqft Living Area
1st Floor Area	1,688 sqft

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1962
Construction Type	Frame
Lot Area	9,230 sqft (0.212 acres)
Lot Dimensions	142 ft deep x 65 ft wide
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	423 WILLIAM ST
City	SOMERVILLE
State	NJ
Zip	08876-2019
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Block	81
Legal Lot Number	2
Jurisdiction	SOMERSET NJ
Township / Civil Division	SOMERVILLE
Census Block Group	4
Census Block	4012
Census Tract	50300

Owner

Source: Somerset County and Somerville Borough records, as of July 7, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	423 WILLIAM ST, SOMERVILLE, NJ 08876-2019
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Sep 9, 2025	Deed of Trust, Mortgage · Stand-Alone Second Mortgage ROCKET MORTGAGE LLC
Jan 9, 2023	Deed of Trust, Mortgage · Stand-Alone Second Mortgage ROCKET MORTGAGE LLC
Jan 5, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 25, 2015 · Amount on Record
Deed Sale	Feb 25, 2015 · Amount on Record
Deed Document Number	20157177
Deed Book / Page	6774 / 3725
Record Updated	Sep 20, 2026

September 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SOMERSET NJ
Property Address	423 WILLIAM ST, SOMERVILLE, NJ 08876-2019
Transaction Type	Mortgage
Record Updated	Oct 3, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000024569
Date	Sep 9, 2025
Book Page	7637/1414
Instrument	2025024569

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Oct 1, 2045

January 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SOMERSET NJ
Property Address	423 WILLIAM ST, SOMERVILLE, NJ 08876-2019
Transaction Type	Mortgage
Record Updated	Jan 20, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000589
Date	Jan 9, 2023
Book Page	7488/860
Instrument	2023000589

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	241 Months
Due	Feb 1, 2043

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	SOMERSET NJ
Property Address	423 WILLIAM ST, SOMERVILLE, NJ 08876-2019
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000000736
Date	Jan 5, 2021
Book Page	7293/1245
Instrument	2021000736

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2051

Tax Assessment & Valuation

Source: Somerset County and Somerville Borough assessment roll, as of July 7, 2026

Property Jurisdictions

Type	Name
State	New Jersey
County	Somerset County
Municipality	Somerville Borough
Unified School District	Somerville Borough School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$353,000 (-) Land $136,300 Building $216,700	$353,000 (-) Land $136,300 Building $216,700
2025	$14,399.00 (+3.19%)	$353,000 (+1.2%) Land $136,300 Building $216,700	$353,000 (+1.2%) Land $136,300 Building $216,700
2024	$13,954.00 (+6.37%)
2023		$348,800 Land $136,300 Building $212,500	$348,800 Land $136,300 Building $212,500
2022	$13,118.00

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 3, 2025 · 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	1 in force

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 Risk	Low lower than 80% of the US · lower than 65% of New Jersey
Wildfire Likelihood	0.01% annual chance
Exposure	Direct 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 System	NJ AMERICAN WATER - RARITAN private · serves 615,430 people · EPA ID NJ2004002
Water Source	Surface water
Last State Inspection	Jun 2024
Lead	1 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	None 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 386 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Fiber · Cable	8,000 / 8,000
Verizon Fiber · Fixed Wireless in parts of the area	2,300 / 2,300
T-Mobile Fixed Wireless	100 / 20

May also be available: Xfinity.

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