421 William St, Boonton, NJ 07005 Property Records

Morris County and Boonton Town property record for 421 William St, Boonton, NJ 07005

Property Summary

Property Type	Single Family Home
Details	1,510 sqft · built 1907
Lot Size	0.135 acres (5,898 sqft)
Owner	Individual Name on Record
Last Sale	$169,000 (Sep 2000)
Tax Bill	$11,353 (2024)
APN	`01-00069-02-00031`

Property Details

APN / Parcel Number

Primary APN	`01-00069-02-00031`
Alternative APNs	`0100069000200031` `20716900`

Interior

Stories	2 Stories
Building Area	1,510 sqft Living Area

Exterior

Year Built	Built 1907
Effective Year Built	Effective 1907
Construction Type	Frame
Lot Area	5,898 sqft (0.135 acres)
Lot Dimensions	118 ft deep x 50 ft wide
Parking Spaces	2 Parking Spaces

Location & Zoning

Account Number	20716900
Street Address	421 WILLIAM ST
City	BOONTON
State	NJ
Zip	07005-1822
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R-2A
Legal Block	69.2
Legal Lot Number	31
Jurisdiction	MORRIS NJ
Township / Civil Division	BOONTON
Census Block Group	2
Census Block	2006
Census Tract	41000

Owner

Source: Morris County and Boonton Town records, as of July 9, 2026

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

Owner of Record	Individual Name on Record
Mailing Address	421 WILLIAM ST, BOONTON, NJ 07005-1822
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 26, 2000 · Amount on Record
Deed Sale	Sep 26, 2000 · Amount on Record
Deed Document Number	200077953
Deed Book / Page	5254 / 296
Last Transfer Date	Feb 1, 2016
Transfer Doc	0228532633
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

Source: Morris County and Boonton Town assessment roll, as of July 9, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$335,900 (-) Land $158,800 Building $177,100	$335,900 (-) Land $158,800 Building $177,100
2025		$335,900 (-) Land $158,800 Building $177,100	$335,900 (-) Land $158,800 Building $177,100
2024	$11,353.00 (+6.15%)
2023		$335,900 Land $158,800 Building $177,100	$335,900 Land $158,800 Building $177,100
2022	$10,695.00

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

FEMA Flood Zone	Not on file

Values are read at the parcel center point; 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 98% of the US · lower than 94% of New Jersey
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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	BOONTON WATER DEPT serves 9,532 people · EPA ID NJ1401001
Water Source	Surface water
Last State Inspection	Oct 2023
Lead	2 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Corrosion control Jan 2022
Monitoring and Reporting	11 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 299 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	980 / 880
T-Mobile Fixed Wireless	100 / 20