NOT LISTED FOR SALE

504 Mountain Ave Westfield, NJ 07090

Westfield Area

Estimated Value: $1,297,000 - $1,430,489

5 Beds
3 Baths
2,517 Sq Ft
$549/Sq Ft Est. Value

Sale Details

Date Sold: July 23, 2025

Last sale price $1,300,000 $516 Per Sq Ft

Est. 6% increase in value since last sale

Current estimated payment $9,034 / mo

9 Days on Market

About This Home

As of July 2025

This home is located at 504 Mountain Ave, Westfield, NJ 07090 since 25 March 2025 and is currently estimated at $1,382,622, approximately $549 per square foot. This property was built in 1910. 504 Mountain Ave is a home located in Union County with nearby schools including Wilson Elementary School, Roosevelt Intermediate School, and Westfield Senior High School.

Last Agent to Sell the Property

AMY EDELMAN

DAVID REALTY GROUP LLC Brokerage Phone: 908-264-8843 Listed on: 03/25/2025

Last Buyer's Agent

Margaret Ludwiczak

VILLAGE SQUARE REALTORS

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
Collateral Analytics

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Average Value
Not Available
List Price
Sold Price
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Home Details

Home Type

  • Single Family

Year Built

  • Built in 1910

Lot Details

  • 9,148 Sq Ft Lot

Bedrooms and Bathrooms

  • 5 Bedrooms
  • 3 Bathrooms

Home Details

Home Type

Single Family

Year Built

Built in 1910

Lot Details

9,148 Sq Ft Lot

Listing Details

  • Year Built: 1910
  • County Name: Union
  • I D: 5344332
  • Attribution Contact: 908-264-8843
  • MLS Status: Sold
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Bedrooms: 5
  • Bathrooms: 2.10

Lot Info

  • Lot Size: 60X154
  • Total Acres: 0.21

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Mar 25, 2025
Closed on
Jul 16, 2025
Sold by
Erasmus Amy and Edelman Amy
Bought by
Seller's Agent
AMY EDELMAN
DAVID REALTY GROUP LLC
Buyer's Agent
Margaret Ludwiczak
VILLAGE SQUARE REALTORS
List Price
$1,049,000
Sold Price
$1,300,000
Premium/Discount to List
$251,000
23.93%
Views
52
Current Estimated Value
$1,382,622

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$82,622
Avg. Annual Appreciation
5.66%
Original Mortgage
$780,000
Interest Rate
6.84%
Mortgage Type
New Conventional

Purchase Details

Listed on
Aug 10, 2012
Closed on
Aug 10, 2012
Sold by
Iglesias Juan J and Iglesias Gail H
Bought by
Erasmus Amy
Buyer's Agent
David Barbosa
DAVID REALTY GROUP LLC
Sold Price
$685,000

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
5.07%

Purchase Details

Closed on
Feb 6, 2006
Sold by
Kaschner Bernadette
Bought by
Iglesias Juan J and Iglesias Gail H

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$500,000
Interest Rate
6.17%
Mortgage Type
New Conventional

Purchase Details

Closed on
Aug 2, 2004
Sold by
Silva Rui
Bought by
Kaschner Bernadette

Purchase Details

Closed on
Aug 22, 2000
Sold by
Hayes Thomas E and Hayes Terri Davis
Bought by
Silva Rui A and Silva Christina S

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$320,000
Interest Rate
8.16%
Mortgage Type
Stand Alone First

Purchase Details

Closed on
Aug 19, 1998
Sold by
Grimes Maureen and Grimes Patrick
Bought by
Hayes Thomas E and Hayes Terri Davis

Purchase Details

Closed on
Feb 27, 1998
Sold by
Grimes Patrick and Grimes Maureen
Bought by
Grimes Maureen
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Agents Specializing in Westfield, NJ

  • Michele Klug Real Estate Agent - KELLER WILLIAMS TOWNE SQUARE

    Michele Klug

    KELLER WILLIAMS TOWNE SQUARE

    (908) 883-3374

    654 Total Sales

    2 in Westfield

    $516K - $600K Price Range

    Michele Klug
     Section Image
  • Lorraine First Real Estate Agent - KL SOTHEBY'S INT'L. REALTY

    Lorraine First

    KL SOTHEBY'S INT'L. REALTY

    (857) 305-4661

    63 Total Sales

    1 in Westfield

    $999,000 Price

    Lorraine First
     Section Image
  • Mark Slade Real Estate Agent - KELLER WILLIAMS MID-TOWN DIRECT REALTY

    Mark Slade

    KELLER WILLIAMS MID-TOWN DIRECT REALTY

    (844) 802-1554

    151 Total Sales

    1 in Westfield

    $1,260,000 Price

    Mark Slade
     Section Image
  • Robert Bailey-Lemansky Real Estate Agent - Keller Williams Suburban Realty

    Robert Bailey-Lemansky

    Keller Williams Suburban Realty

    (862) 217-5531

    39 Total Sales

    1 in Westfield

    $1,256,187 Price

    Robert Bailey-Lemansky
     Section Image
  • Ana Deborah Ofsievich Real Estate Agent - KELLER WILLIAMS REALTY

    Ana Deborah Ofsievich

    KELLER WILLIAMS REALTY

    (908) 332-0919

    48 Total Sales

    4 in Westfield

    $512K - $1.4M Price Range

    Ana Deborah Ofsievich
     Section Image
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Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Buyer Sale Price Title Company
$1,300,000 Foundation Title
Erasmus Amy $685,000 Fidelity National Title Ins
Iglesias Juan J $870,000 --
Kaschner Bernadette $795,000 --
Silva Rui A $414,000 --
Hayes Thomas E $260,000 Stewart Title Guaranty Compa
Grimes Maureen -- --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Borrower Loan Amount
Open $775,703
Closed Wojewoda James $780,000
Previous Owner Iglesias Juan J $500,000
Previous Owner Silva Rui A $320,000
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft Prior Sale
07/23/2025 07/23/25 Sold $1,300,000 +23.9% $516 / Sq Ft
04/03/2025 04/03/25 Pending -- -- --
03/25/2025 03/25/25 For Sale $1,049,000 +53.1% $417 / Sq Ft
08/10/2012 08/10/12 Sold $685,000 -- $272 / Sq Ft View Prior Sale
Source: Garden State MLS

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2026 $16,862 $735,700 $454,700 $281,000
2025 $16,862 $735,700 $454,700 $281,000
2024 $16,230 $735,700 $454,700 $281,000
2023 $16,230 $735,700 $454,700 $281,000
2022 $15,891 $735,700 $454,700 $281,000
2021 $15,913 $735,700 $454,700 $281,000
2020 $15,876 $735,700 $454,700 $281,000
2019 $15,818 $735,700 $454,700 $281,000
2018 $15,935 $171,400 $59,400 $112,000
2017 $15,848 $171,400 $59,400 $112,000
2016 $15,476 $171,400 $59,400 $112,000
2015 $15,167 $171,400 $59,400 $112,000
2014 $14,667 $171,400 $59,400 $112,000
Source: Public Records

Agents Affiliated with this Home

  • AE

    Seller's Agent in 2025

    AMY EDELMAN

    DAVID REALTY GROUP LLC

  • Margaret Ludwiczak Real Estate Agent - VILLAGE SQUARE REALTORS

    Buyer's Agent in 2025

    Margaret Ludwiczak

    VILLAGE SQUARE REALTORS

    (973) 800-7237

    60 Total Sales

    Margaret Ludwiczak
    Section Image
  • David Barbosa Real Estate Agent - DAVID REALTY GROUP LLC

    Buyer's Agent in 2012

    David Barbosa

    DAVID REALTY GROUP LLC

    (908) 264-8843

    24 Total Sales

    David Barbosa
    Section Image
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Map

Source: Garden State MLS

MLS Number: 3952837

Garden State MLS

APN: 20-01203-0000-00002

New Jersey Union County Westfield 07090

504 Mountain Ave, Westfield, NJ

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