NOT LISTED FOR SALE

520 Mountain Ave Westfield, NJ 07090

Westfield Area

Estimated Value: $1,141,000 - $1,275,769

5 Beds
3 Baths
-- Sq Ft
8,712 Sq Ft Lot

Sale Details

Date Sold: August 11, 2025

Last sale price $1,125,000

Est. 7% increase in value since last sale

Current estimated payment $7,947 / mo

11 Days on Market

About This Home

As of August 2025

This home is located at 520 Mountain Ave, Westfield, NJ 07090 since 14 May 2025 and is currently estimated at $1,206,192. This property was built in 1909. 520 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

VIVIAN CORTESE-STRANO

COLDWELL BANKER REALTY Brokerage Phone: 908-233-5555 Listed on: 05/14/2025

Last Buyer's Agent

Matthew Tully

RE/MAX CENTRAL

Range of Values:

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

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ICE

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First American

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Quantarium

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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 1909

Lot Details

  • 8,712 Sq Ft Lot

Bedrooms and Bathrooms

  • 5 Bedrooms
  • 3 Bathrooms

Home Details

Home Type

Single Family

Year Built

Built in 1909

Lot Details

8,712 Sq Ft Lot

Listing Details

  • Year Built: 1909
  • County Name: Union
  • I D: 5349179
  • Attribution Contact: 908-233-5555
  • MLS Status: Sold
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Bedrooms: 5
  • Bathrooms: 2.10

Lot Info

  • Lot Size: 60X145
  • Total Acres: 0.20

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
May 14, 2025
Closed on
Jul 14, 2025
Sold by
Judy Gordon Mentlik Living Trust and Mentlik Judy Gordon
Bought by
Seller's Agent
VIVIAN CORTESE-STRANO
COLDWELL BANKER REALTY
Buyer's Agent
Matthew Tully
RE/MAX CENTRAL
List Price
$1,039,000
Sold Price
$1,125,000
Premium/Discount to List
$86,000
8.28%
Views
64
Current Estimated Value
$1,206,192

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$81,192
Avg. Annual Appreciation
6.79%
Original Mortgage
$1,000,000
Outstanding Balance
$990,108
Interest Rate
6.67%
Mortgage Type
New Conventional
Estimated Equity
$216,084

Purchase Details

Closed on
Jun 10, 2013
Sold by
Mentlik Judy Gordon
Bought by
Mentlik Judy Gordon and The Judy Gordon Mentlik Living Trust

Purchase Details

Closed on
Jan 21, 1997
Sold by
Braun John E and Braun Peter E
Bought by
Mentlik Judy Gordon
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

  • Luis Sanchez Real Estate Agent - Keller Williams Realty Central Monmouth

    Luis Sanchez

    Keller Williams Realty Central Monmouth

    (973) 318-1814

    28 Total Sales

    1 in Westfield

    $1,305,000 Price

    Luis Sanchez
     Section Image
  • Frank LaMorte Real Estate Agent - LATTIMER REALTY

    Frank LaMorte

    LATTIMER REALTY

    (862) 298-5327

    171 Total Sales

    1 in Westfield

    $1,725,000 Price

    Frank LaMorte
     Section Image
  • Mikaela Arpino Real Estate Agent - NJ Real Estate Boutique, LLC

    Mikaela Arpino

    NJ Real Estate Boutique, LLC

    (862) 860-1682

    337 Total Sales

    2 in Westfield

    $789K - $2M Price Range

    Mikaela Arpino
     Section Image
  • Marissa Van Name Polo Real Estate Agent - Jason Mitchell Real Estate New Jersey

    Marissa Van Name Polo

    Responds Quickly

    Jason Mitchell Real Estate New Jersey

    (984) 205-2396

    44 Total Sales

    2 in Westfield

    $530,000 Price Range

    Marissa Van Name Polo
     Section Image
  • Shuang Liang Real Estate Agent - Premiumone Realty

    Shuang Liang

    Premiumone Realty

    (862) 214-7430

    74 Total Sales

    2 in Westfield

    $985K - $1.1M Price Range

    Shuang Liang
     Section Image
  • HECTOR ROJAS Real Estate Agent - EXP REALTY, LLC

    HECTOR ROJAS

    EXP REALTY, LLC

    (866) 490-8959

    43 Total Sales

    1 in Westfield

    $250,000 Price

    HECTOR ROJAS
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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
$1,125,000 Kelly Title Group
Mentlik Judy Gordon -- None Available
Mentlik Judy Gordon $210,000 --
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 $1,000,000
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
08/11/2025 08/11/25 Sold $1,125,000 +8.3% --
05/25/2025 05/25/25 Pending -- -- --
05/14/2025 05/14/25 For Sale $1,039,000 -- --
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 $15,503 $676,400 $450,000 $226,400
2025 $15,503 $676,400 $450,000 $226,400
2024 $14,921 $676,400 $450,000 $226,400
2023 $14,921 $676,400 $450,000 $226,400
2022 $14,610 $676,400 $450,000 $226,400
2021 $14,631 $676,400 $450,000 $226,400
2020 $14,597 $676,400 $450,000 $226,400
2019 $14,543 $676,400 $450,000 $226,400
2018 $14,308 $153,900 $58,800 $95,100
2017 $14,230 $153,900 $58,800 $95,100
2016 $13,896 $153,900 $58,800 $95,100
2015 $13,619 $153,900 $58,800 $95,100
2014 $13,169 $153,900 $58,800 $95,100
Source: Public Records

Agents Affiliated with this Home

  • VC

    Seller's Agent in 2025

    VIVIAN CORTESE-STRANO

    COLDWELL BANKER REALTY

  • Matthew Tully Real Estate Agent - RE/MAX

    Buyer's Agent in 2025

    Matthew Tully

    RE/MAX

    (908) 692-9227

    177 Total Sales

    Matthew Tully
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Map

Source: Garden State MLS

MLS Number: 3963154

Garden State MLS

APN: 20-01203-0000-00005

New Jersey Union County Westfield 07090

520 Mountain Ave, Westfield, NJ

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