NOT LISTED FOR SALE

23 Slope Dr Hackettstown, NJ 07840

Mansfield Area

Estimated Value: $440,000 - $469,121

3 Beds
2 Baths
-- Sq Ft
0.46 Acre Lot

Sale Details

Date Sold: October 15, 2025

Last sale price $450,000

Est. 1% increase in value since last sale

Current estimated payment $3,029 / mo

14 Days on Market

About This Home

As of October 2025

This home is located at 23 Slope Dr, Hackettstown, NJ 07840 since 20 August 2025 and is currently estimated at $454,030. This property was built in 1966. 23 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

Christopher Kruk

RE/MAX TOWN & VALLEY II Brokerage Phone: 973-598-1008 Listed on: 08/20/2025

RE/MAX TOWN & VALLEY II

Last Buyer's Agent

Susan J. Wintermute

RE/MAX HOUSE VALUES

RE/MAX HOUSE VALUES

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 1966

Lot Details

  • 20,038 Sq Ft Lot

Bedrooms and Bathrooms

  • 3 Bedrooms
  • 2 Bathrooms

Additional Features

  • Basement

Home Details

Home Type

Single Family

Year Built

Built in 1966

Lot Details

0.46 Acres

Listing Details

  • Year Built: 1966
  • County Name: Warren
  • I D: 5379590
  • Attribution Contact: 973-598-1008
  • MLS Status: Sold
  • Special Features: None
  • Property Sub Type: Detached

Interior Features

  • Bedrooms: 3
  • Bathrooms: 1.10

Lot Info

  • Total Acres: 0.46

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
Aug 20, 2025
Closed on
Oct 14, 2025
Sold by
Mary L Heitmann Irrevocable Trust and Heitmann Michael
Bought by
Seller's Agent
Christopher Kruk
RE/MAX TOWN & VALLEY II
Buyer's Agent
Susan J. Wintermute
RE/MAX HOUSE VALUES
List Price
$425,000
Sold Price
$450,000
Premium/Discount to List
$25,000
5.88%
Views
95
Current Estimated Value
$454,030

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$4,030
Avg. Annual Appreciation
1.01%
Original Mortgage
$405,000
Interest Rate
6.27%
Mortgage Type
New Conventional

Purchase Details

Listed on
Aug 20, 2025
Closed on
Oct 8, 2025
Sold by
Heitmann Mary L and Heitmann Mary
Bought by
Mary L Heitmann Irrevocable Trust and Heitmann
Seller's Agent
Christopher Kruk
RE/MAX TOWN & VALLEY II
Buyer's Agent
Susan J. Wintermute
RE/MAX HOUSE VALUES
List Price
$425,000
Sold Price
$450,000
Premium/Discount to List
$25,000
5.88%
Views
95

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$405,000
Interest Rate
6.27%
Mortgage Type
New Conventional

Purchase Details

Closed on
Aug 30, 2013
Sold by
Heitmann Mary L
Bought by
The Mary L Heitmann Irrevocable Trust
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Agents Specializing in Hackettstown, NJ

  • Olga Tsiavos Real Estate Agent - RE/MAX SELECT - Rockaway

    Olga Tsiavos

    RE/MAX SELECT - Rockaway

    (973) 490-4546

    84 Total Sales

    4 in Mansfield

    $415K - $546K Price Range

    Olga Tsiavos
     Section Image
  • Hajira Yafai Real Estate Agent - COLDWELL BANKER REALTY

    Hajira Yafai

    COLDWELL BANKER REALTY

    (862) 254-8833

    43 Total Sales

    1 in Mansfield

    $546,000 Price

    Hajira Yafai
     Section Image
  • Amylinn Nemeth Real Estate Agent - REALTY ONE GROUP NEXT DOOR

    Amylinn Nemeth

    REALTY ONE GROUP NEXT DOOR

    (908) 836-6302

    73 Total Sales

    1 in Mansfield

    $285,000 Price

    Amylinn Nemeth
     Section Image
  • Lisa Peluso Real Estate Agent - RE/MAX TOWN & VALLEY II

    Lisa Peluso

    RE/MAX TOWN & VALLEY II

    (862) 296-1063

    96 Total Sales

    3 in Mansfield

    $215K - $420K Price Range

    Lisa Peluso
     Section Image
  • Joan O'brien Real Estate Agent - RE/MAX TOWN & VALLEY

    Joan O'brien

    RE/MAX TOWN & VALLEY

    (908) 895-6780

    89 Total Sales

    2 in Mansfield

    $590K - $595K Price Range

    Joan O'brien
     Section Image
  • Victoria Cannizzo Real Estate Agent - REAL

    Victoria Cannizzo

    REAL

    (862) 829-3427

    85 Total Sales

    1 in Mansfield

    $320,000 Price

    Victoria Cannizzo
     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
$450,000 Westcor Land Title
Mary L Heitmann Irrevocable Trust -- Westcor Land Title
The Mary L Heitmann Irrevocable Trust -- None Available
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
Previous Owner $405,000
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
10/15/2025 10/15/25 Sold $450,000 +5.9% --
09/03/2025 09/03/25 Pending -- -- --
08/20/2025 08/20/25 For Sale $425,000 -- --
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 $6,282 $176,300 $78,400 $97,900
2025 $6,236 $176,300 $78,400 $97,900
2024 $6,262 $176,300 $78,400 $97,900
2023 $6,151 $176,300 $78,400 $97,900
2022 $4,409 $176,300 $78,400 $97,900
2021 $5,044 $176,300 $78,400 $97,900
2020 $6,132 $176,300 $78,400 $97,900
2019 $5,933 $176,300 $78,400 $97,900
2018 $5,514 $176,300 $78,400 $97,900
2017 $5,807 $176,300 $78,400 $97,900
2016 $5,675 $176,300 $78,400 $97,900
2015 $5,555 $176,300 $78,400 $97,900
2014 $5,379 $176,300 $78,400 $97,900
Source: Public Records

Agents Affiliated with this Home

  • Christopher Kruk Real Estate Agent - RE/MAX

    Seller's Agent in 2025

    Christopher Kruk

    RE/MAX

    (973) 573-7000

    177 Total Sales

    Christopher Kruk
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Map

Source: Garden State MLS

MLS Number: 3982240

Garden State MLS

APN: 16-02106-0000-00003

New Jersey Warren County Hackettstown 07840

23 Slope Dr, Hackettstown, NJ

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Information deemed reliable but not guaranteed.
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