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18 Mountain Ave, Warren, NJ 07059 Property Records

Somerset County and Warren Township property record for 18 Mountain Ave, Warren, NJ 07059

Property Summary

Property TypeSingle Family Home
Details2,185 sqft · built 1969
Lot Size0.57 acres (24,829 sqft)
Owner2 Individual Names on File
Last Sale$670,000 (Aug 2021)
Tax Bill$13,175 (2025)
Deeds & MortgagesAug 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN20-00205-0000-00019-05

Property Details

APN / Parcel Number

Primary APN20-00205-0000-00019-05
Alternative APNs
  • 20002050000000190005
  • 00046930

Interior

Stories2 Stories
Building Area2,185 sqft Living Area

Exterior

Year BuiltBuilt 1969
Effective Year BuiltEffective 1969
Construction TypeFrame
Lot Area24,829 sqft (0.57 acres)
Lot Dimensions140 ft deep x 101 ft wide
Parking Spaces2 Parking Spaces

Location & Zoning

Account Number00046930
Street Address18 MOUNTAIN AVE
CityWARREN
StateNJ
Zip07059-5316
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR20V
Legal Block205
Legal Lot Number19.5
JurisdictionSOMERSET NJ
Township / Civil DivisionWARREN
Census Block Group2
Census Block2022
Census Tract52201

Owner

18 Mountain Ave is owned and occupied by two individuals who bought it in August 2021.

Source: Somerset County and Warren Township records, as of July 7, 2026

Owner of Record2 Individual Names on File
Mailing Address18 MOUNTAIN AVE, WARREN, NJ 07059-5316
OccupancyOwner Occupied
Owner TypeIndividual

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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 30, 2021 · Amount on File
Deed SaleAug 30, 2021 · Amount on File
Prior SaleNov 14, 2005 · Amount on File
Deed Document Number202152482
Deed Book / Page7377 / 3386
Prior Transfer DateNov 21, 2011
Prior Transfer Doc0000059222
Record UpdatedOct 29, 2026

August 2021: Deed, Transfer

Document TypeDeed
JurisdictionSOMERSET NJ
Recording DateAug 30, 2021
Property Address18 MOUNTAIN AVE, WARREN, NJ 07059-5316
Document Number0000052482
Book / Page7377 / 3386
Instrument DateAug 19, 2021
Instrument2021052482
Transaction TypeTransfer
Record UpdatedSep 8, 2021
Title CompanyREPUBLIC NATIONAL TITLE INSURANCE COMPANY, OLD REPUBLIC NATL TTL INS CO

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$5,927.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address21 VERONA RD, 21, NEW PROVIDENCE, NJ 07974-2312

Transferred To (Grantee/Buyer)

NameVerified Name
Address18 MOUNTAIN AVE, WARREN, NJ 07059-5316

Mortgage

Document Number0000052483
DateAug 30, 2021
Instrument2021052483
Lender
NameAMERICAN NEIGHBORHOOD MTG ACCEPTANC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueSep 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 18 Mountain Ave was $13,175, up 3.4% from the year before.

Source: Somerset County and Warren Township assessment roll, as of July 7, 2026

Property Jurisdictions

TypeName
StateNew Jersey
CountySomerset County
County SubdivisionWarren Township
Elementary School DistrictWarren Township School District (KG - 08)
Secondary School DistrictWatchung Hills Regional School District (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$785,600 (+4.47%) Land $325,700 Building $459,900$785,600 (+4.47%) Land $325,700 Building $459,900
2025$13,175.00 (+3.4%)$752,000 Land $306,600 Building $445,400$752,000 Land $306,600 Building $445,400
2024$12,742.00
2023$648,300 Land $259,200 Building $389,100$648,300 Land $259,200 Building $389,100
2022$12,363.00

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

Flood

FEMA maps place 18 Mountain Ave in Zone X, an area of minimal flood risk, though there have been 14 flood claims nearby since 1978.

Source: FEMA National Flood Hazard Layer, effective September 3, 2025 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 13 policies
Community Rating SystemClass 8 (10% premium discount)
Nearby Flood Policies13 in force
Nearby Flood Claims14 (1978–2024)
Claims Outside the SFHA7 of 14
Most Recent ClaimAug 2024 · rainfall accumulation
Claims by Event
  • Severe Storms And Flooding, Mar 2010 · 3 claims
  • Hurricane Floyd Major Disaster Declarations, Sep 1999 · 3 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 18 Mountain 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 RiskLow
lower than 94% of the US · lower than 83% of New Jersey
Wildfire Likelihood0.01% annual chance
ExposureDirect
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 SystemNJ AMERICAN WATER - RARITAN
private · serves 615,430 people · EPA ID NJ2004002
Water SourceSurface water
Last State InspectionJun 2024
Lead1 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 236 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber		2,300 / 2,300
Xfinity
Cable		2,000 / 250
T-Mobile
Fixed Wireless		100 / 20

May also be available: Optimum.

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