504 Mountain Ave, Westfield, NJ 07090 Property Records

Union County and Westfield Town property record for 504 Mountain Ave, Westfield, NJ 07090

Property Summary

Property TypeSingle Family Home
Details2,769 sqft · built 1910
Lot Size0.212 acres (9,239 sqft)
Owner2 Individual Names on File
Last Sale$1,300,000 (Jul 2025)
Tax Bill$16,862 (2025)
Deeds & MortgagesMar 2026 Mortgage
Jul 2025 Sale & Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN20-01203-0000-00002

Property Details

APN / Parcel Number

Primary APN20-01203-0000-00002
Alternative APNs
  • 2000314000000028
  • 200120300002

Interior

Stories2 Stories
Building Area2,769 sqft Living Area

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Architectural StyleColonial
Construction TypeFrame
Lot Area9,239 sqft (0.212 acres)
Lot Dimensions154 ft deep x 60 ft wide
Garage TypeDetached
Parking Spaces1 Parking Space

Location & Zoning

Old Parcel Number2000314000000028
Street Address504 MOUNTAIN AVE
CityWESTFIELD
StateNJ
Zip07090-3076
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal SubdivisionMOUNTAIN VIEW PARK
Legal Block1203
Legal Lot Number2
JurisdictionUNION NJ
Township / Civil DivisionWESTFIELD
Census Block Group5
Census Block5023
Census Tract36400

Owner

504 Mountain Ave is owned and occupied by two individuals who bought it in July 2025.

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

Owner of Record2 Individual Names on File
Mailing Address504 MOUNTAIN AVE, WESTFIELD, NJ 07090-3076
OccupancyOwner Occupied
Owner TypeIndividual
VestingHusband and Wife

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

DateDocument
Mar 13, 2026Deed of Trust, Mortgage · Conventional Mortgage
REAL GENIUS LLC
Jul 25, 2025Deed, Transfer · Conventional Mortgage
LUMINATE BANK
Jan 23, 2017Deed of Trust, Mortgage · Line of Credit
BANK OF AMERICA

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJul 25, 2025 · Amount on File
Deed SaleJul 25, 2025 · Amount on File
Prior SaleOct 5, 2012 · Amount on File
Deed Document Number202547997
Deed Book / Page6589 / 2089
Prior Transfer DateFeb 27, 1998
Prior Transfer Doc0000050510
Record UpdatedOct 29, 2026

March 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionUNION NJ
Property Address504 MOUNTAIN AVE, WESTFIELD, NJ 07090-3076
Transaction TypeMortgage
Record UpdatedApr 2, 2026
Title CompanySOLIDIFI TITLE AND CLOSING, SOLIDIFI TITLE & CLOSING LLC

Transferred To (Grantee/Buyer)

NameVerified Name
Address504 MOUNTAIN AVE, WESTFIELD, NJ 07090-3076

Mortgage

Document Number0157722048
DateMar 13, 2026
Book Page15772/2048
Instrument90085
Lender
NameREAL GENIUS LLC
TypeNon-Lending Institution
AddressDELRAY BEACH, FL 33445
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueApr 1, 2056

July 2025: Deed, Transfer

Document TypeDeed
JurisdictionUNION NJ
Recording DateJul 25, 2025
Property Address504 MOUNTAIN AVE, WESTFIELD, NJ 07090-3076
Document Number0065892089
Book / Page6589 / 2089
Instrument DateJul 16, 2025
Instrument47997
Transaction TypeTransfer
Record UpdatedOct 20, 2025
Title CompanyFOUNDATION TITLE, FOUNDATION TITLE LLC

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$26,205.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address504 MOUNTAIN AVE, WESTFIELD, NJ 07090-3076

Transferred To (Grantee/Buyer)

NameVerified Name
Address504 MOUNTAIN AVE, WESTFIELD, NJ 07090-3076

Mortgage

Document Number0000080628
DateJul 25, 2025
Instrument80628
Lender
NameLUMINATE BANK
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term361 Months
DueAug 1, 2055

January 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionUNION NJ
Property Address504 MOUNTAIN AVE, WESTFIELD, NJ 07090-3076
Document Number0142310431
Book / Page014231 / 000431
Instrument DateJan 23, 2017
Transaction TypeMortgage
Record UpdatedMar 29, 2017
Title CompanyAMERICAN TITLE COMPANY, AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address504 MOUNTAIN AVE WESTFIELD NJ 070903076, WESTFIELD, NJ 07090-3076

Mortgage

Document Number0142310431
DateFeb 8, 2017
Book Page014231/000431
Instrument636319
Lender
NameBANK OF AMERICA
TypeBank
AddressCHARLOTTE, NC 28255
Agreement
TypeLine of Credit
AmountAmount on Record
Term360 Months
DueFeb 7, 2047
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 504 Mountain Ave was $16,862, 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$735,700 (-) Land $454,700 Building $281,000$735,700 (-) Land $454,700 Building $281,000
2025$16,862.00 (+1.77%)$735,700 Land $454,700 Building $281,000$735,700 Land $454,700 Building $281,000
2024$16,568.00
2023$735,700 Land $454,700 Building $281,000$735,700 Land $454,700 Building $281,000
2022$15,891.00

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

Flood

FEMA maps place 504 Mountain Ave in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1980.

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
Flood Insurance CostPremium on File
median of 10 policies
Nearby Flood Policies10 in force
Nearby Flood Claims5 (1980–2026)
Claims Outside the SFHA4 of 5
Most Recent ClaimApr 2026
Claims by Event
  • Remnants Of Hurricane Ida, Sep 2021 · 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 504 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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