403 Mountain Ave, Westfield, NJ 07090 Property Records

Union County and Westfield Town property record for 403 Mountain Ave, Westfield, NJ 07090

Property Summary

Property TypeSingle Family Home
Details2,119 sqft · built 1910
Lot Size0.202 acres (8,799 sqft)
Owner2 Individual Names on File
Last Sale$400,000 (Feb 2013)
Tax Bill$15,237 (2025)
Flood ZoneZone X (minimal risk)
APN20-01113-0000-00013

Property Details

APN / Parcel Number

Primary APN20-01113-0000-00013
Alternative APNs
  • 2000208000000005
  • 200111300013

Interior

Stories2 Stories
Building Area2,119 sqft Living Area

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Architectural StyleColonial
Construction TypeFrame
Lot Area8,799 sqft (0.202 acres)
Lot Dimensions88 ft deep x 100 ft wide
Garage TypeDetached
Parking Spaces1 Parking Space

Location & Zoning

Old Parcel Number2000208000000005
Street Address403 MOUNTAIN AVE
CityWESTFIELD
StateNJ
Zip07090-3033
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Block1113
Legal Lot Number13
JurisdictionUNION NJ
Township / Civil DivisionWESTFIELD
Census Block Group1
Census Block1001
Census Tract36600

Owner

403 Mountain Ave is owned and occupied by two individuals who bought it in February 2013.

Source: Union County and Westfield Town records, as of July 8, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on File
Mailing Address403 MOUNTAIN AVE, WESTFIELD, NJ 07090-3033
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 7, 2013 · Amount on File
Deed SaleFeb 7, 2013 · Amount on File
Deed Book / Page5940 / 506
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 403 Mountain Ave was $15,237, up 1.8% from the year before.

Source: Union County and Westfield Town assessment roll, as of July 8, 2026

Property Jurisdictions

TypeName
StateNew Jersey
CountyUnion County
MunicipalityWestfield Town
Unified School DistrictWestfield Town School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$664,800 (-) Land $448,200 Building $216,600$664,800 (-) Land $448,200 Building $216,600
2025$15,237.00 (+1.78%)$664,800 Land $448,200 Building $216,600$664,800 Land $448,200 Building $216,600
2024$14,971.00
2023$632,900 Land $448,200 Building $184,700$632,900 Land $448,200 Building $184,700
2022$13,670.00

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

Flood

FEMA maps place 403 Mountain Ave in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1979.

Source: FEMA National Flood Hazard Layer, effective September 24, 2020 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies4 in force
Nearby Flood Claims4 (1979–2021)
Claims Outside the SFHA4 of 4
Most Recent ClaimSep 2021 · Remnants Of Hurricane Ida
Claims by Event
  • 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 403 Mountain Ave is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 98% of the US · lower than 94% of New Jersey
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
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 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 433 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Verizon
Fiber · Fixed Wireless in parts of the area
2,300 / 2,300
Xfinity
Cable
2,000 / 250

May also be available: T-Mobile.

Nearby Properties on Mountain Ave

Nearby Streets

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