Roy Castro
REALTY ONE GROUP LIVING
(862) 247-4123
62 Total Sales
1 in Mansfield
$235,000 Price
Estimated Value: $588,548 - $658,000
This home is located at 34 Brookside Ave, Hackettstown, NJ 07840 since 18 January 2026 and is currently estimated at $632,887. 34 Brookside Ave is a home located in Warren County with nearby schools including Mansfield Twp Elementary School, Warren Hills Regional Middle School, and Warren Hills Reg High School.
Last Agent to Sell the Property
ANDREW ALLEN
COMPASS NEW JERSEY LLC Brokerage Phone: 973-310-7360 Listed on: 01/18/2026
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Roy Castro
REALTY ONE GROUP LIVING
(862) 247-4123
62 Total Sales
1 in Mansfield
$235,000 Price
Julia Gaffney
Keller Williams Prosperity Realty
(862) 977-3995
139 Total Sales
1 in Mansfield
$1,100,000 Price
Debbie Kistle
KISTLE REALTY, LLC.
(973) 756-3153
223 Total Sales
1 in Mansfield
$612,000 Price
Rosalie Tenseth
WEICHERT REALTORS
(877) 840-5468
42 Total Sales
1 in Mansfield
$450,000 Price
Joseph Nesbihal
RE/MAX HERITAGE PROPERTIES
(862) 296-0892
71 Total Sales
5 in Mansfield
$290K - $751K Price Range
Scott Oatley
REALTY EXECUTIVES EXCEPTIONAL
(908) 916-3076
42 Total Sales
1 in Mansfield
$352,000 Price
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 |
|---|---|---|---|
| $650,000 | Westcor Land Title | ||
| Szilagyi Tamas | $335,000 | Fidelity National Title Insu | |
| Hynes Robert T | -- | -- |
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 | $585,000 | ||
| Previous Owner | Szilagyi Tamas | $268,000 |
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 |
|---|---|---|---|---|
| 03/16/2026 03/16/26 | Sold | $650,000 | +8.5% | -- |
| 02/10/2026 02/10/26 | Pending | -- | -- | -- |
| 01/19/2026 01/19/26 | For Sale | $599,000 | -- | -- |
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 | $8,533 | $239,500 | $87,800 | $151,700 |
| 2025 | $8,471 | $239,500 | $87,800 | $151,700 |
| 2024 | $8,507 | $239,500 | $87,800 | $151,700 |
| 2023 | $8,356 | $239,500 | $87,800 | $151,700 |
| 2022 | $8,356 | $239,500 | $87,800 | $151,700 |
| 2021 | $8,414 | $239,500 | $87,800 | $151,700 |
| 2020 | $8,330 | $239,500 | $87,800 | $151,700 |
| 2019 | $8,059 | $239,500 | $87,800 | $151,700 |
| 2018 | $7,881 | $239,500 | $87,800 | $151,700 |
| 2017 | $7,889 | $239,500 | $87,800 | $151,700 |
| 2016 | $7,710 | $239,500 | $87,800 | $151,700 |
| 2015 | $7,547 | $239,500 | $87,800 | $151,700 |
| 2014 | $7,307 | $239,500 | $87,800 | $151,700 |
AA
Seller's Agent in 2026
ANDREW ALLEN
COMPASS NEW JERSEY LLC
Buyer's Agent in 2026
Nicole Levine
WEICHERT REALTORS
(201) 874-3303
76 Total Sales
Source: Garden State MLS
MLS Number: 4005750
APN: 16-02401-0000-00007
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