Mary Sheeran
Keller Williams Realty Metropolitan
(862) 244-1879
438 Total Sales
5 in Mansfield
$450K - $540K Price Range
Estimated Value: $486,668 - $522,000
This home is located at 21 Slope Dr, Hackettstown, NJ 07840 since 09 March 2026 and is currently estimated at $501,667. This property was built in 1966. 21 Slope Dr 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
MARYANN MCFADDEN
C-21 NORTH WARREN REALTY Brokerage Phone: 908-852-0007 Listed on: 03/09/2026
Last Buyer's Agent
ADORA IURATO
EXP REALTY, LLC
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Mary Sheeran
Keller Williams Realty Metropolitan
(862) 244-1879
438 Total Sales
5 in Mansfield
$450K - $540K Price Range
Elizabeth DelCasale
COLDWELL BANKER REALTY
(908) 970-8068
94 Total Sales
1 in Mansfield
$589,000 Price
Ranka Vucetic
Serhant New Jersey LLC
(848) 301-2876
36 Total Sales
2 in Mansfield
$540,000 Price Range
Lynette DeLisa
REALTY EXECUTIVES EXCEPTIONAL
(862) 247-4172
167 Total Sales
1 in Mansfield
$385,000 Price
Michael Ganguzza
RE/MAX PLATINUM GROUP
(973) 791-5730
28 Total Sales
1 in Mansfield
$750,000 Price
ILDIKO VICTORIA MEIJER
COLDWELL BANKER REALTY
(908) 332-0745
55 Total Sales
1 in Mansfield
$339,900 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 |
|---|---|---|---|
| $510,000 | Clear Skies Title | ||
| Coopersmith Robert I | $355,000 | New Jersey Title Ins Co | |
| Cartus Financial Corp | $355,000 | New Jersey Title Ins Co | |
| Smith, L Ivins 111 & Joanne | $158,000 | -- |
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 | Status | Borrower | Loan Amount |
|---|---|---|---|
| Open | $430,000 | ||
| Previous Owner | Coopersmith Robert I | $155,000 |
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 |
|---|---|---|---|---|
| 04/23/2026 04/23/26 | Sold | $510,000 | +6.3% | -- |
| 03/21/2026 03/21/26 | Pending | -- | -- | -- |
| 03/12/2026 03/12/26 | For Sale | $479,900 | -- | -- |
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 | $7,714 | $216,500 | $78,500 | $138,000 |
| 2025 | $7,658 | $216,500 | $78,500 | $138,000 |
| 2024 | $7,690 | $216,500 | $78,500 | $138,000 |
| 2023 | $7,554 | $216,500 | $78,500 | $138,000 |
| 2022 | $6,127 | $216,500 | $78,500 | $138,000 |
| 2021 | $7,288 | $216,500 | $78,500 | $138,000 |
| 2020 | $7,530 | $216,500 | $78,500 | $138,000 |
| 2019 | $7,285 | $216,500 | $78,500 | $138,000 |
| 2018 | $6,806 | $216,500 | $78,500 | $138,000 |
| 2017 | $7,132 | $216,500 | $78,500 | $138,000 |
| 2016 | $6,969 | $216,500 | $78,500 | $138,000 |
| 2015 | $6,822 | $216,500 | $78,500 | $138,000 |
| 2014 | $6,605 | $216,500 | $78,500 | $138,000 |
MM
Seller's Agent in 2026
MARYANN MCFADDEN
C-21 NORTH WARREN REALTY
AI
Buyer's Agent in 2026
ADORA IURATO
EXP REALTY, LLC
Source: Garden State MLS
MLS Number: 4013283
APN: 16-02104-0000-00019
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