9 William Penn Rd, Warren, NJ 07059-5046

Off Market Oct 2023 for $1.2M

$1,667,775

Est. refi paymentEst. refi $7,882/mo

•

5.5 ba

•

—

sq ft

9 William Penn Rd, Warren, NJ 07059-5046

About this home

Single-familyProperty Type

1978Year Built

1.5 acresLot Size

Listed by SIU Y. WONG • RE/MAX PREMIER

Contact: 908-754-1500

Bought with SIU Y. WONG • RE/MAX PREMIER

Redfin checked: a few seconds ago

•Source:GSMLS #3852204

Redfin Estimate

$1,667,775

$418K since sold in October 2023$8,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.4% higher than the average sale price ($1.46M) of 6 comparable homes.

SOLD APR 16, 2026
$1,700,000
A
4 beds3.5 baths— sq ft
7 Manor Dr, Warren, NJ 07059-6138
SOLD JUL 2, 2026
$1,315,000
B
4 beds3.5 baths— sq ft
8 Deerwood Trl, Warren, NJ 07059-5557
SOLD DEC 30, 2025
$1,300,000
C
3 beds5 baths— sq ft
127 Mount Horeb Rd, Warren, NJ 07059
RE/MAX NOW - Palisades Park
SOLD SEP 12, 2025
$1,670,000
D
4 beds3.5 baths— sq ft
6 Loren Way, Warren, NJ 07059-5140
SOLD MAY 19, 2026
$1,300,000
E
4 beds2.5 baths— sq ft
20 William Penn Rd, Warren, NJ 07059-5047
SOLD AUG 29, 2025
3 Manor Dr, Warren, NJ 07059-6138
$1,462,000
F
4 beds3.5 baths— sq ft
3 Manor Dr, Warren, NJ 07059-6138

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Earn from this home

Sell

$623,960

Est. take-home

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Refinance

Est. cash available

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Rent

$4,332/mo

Redfin rental estimate

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Market trends in 07059, NJ

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.7%

0.1% MoM

Median sale price

$1.2M

$20K MoM

Avg. days on market

22d

2 days MoM

Recently sold homes

1 MoM

New listings for sale

3D WALKTHROUGH
$1,250,000
3 beds3 baths25,400 sq ft
34 Gates Ave, Warren, NJ 07059-5769
$640,000
3 beds1 bath— sq ft
80 Reinman Rd, Warren, NJ 07059-5766
$1,449,000
4 beds2.5 baths— sq ft
50 Mountain Ave, Warren, NJ 07059-5318
$500,000
1 bed1 bath— sq ft
366 Warrenville Rd, Green Brook, NJ 08812-2032
See all

Provided by Redfin

Redfin agents who toured

NIcely maintained home with expansive back yard and pool area.
3 years ago• May not reflect the current state of the home
Andrus Ers
Redfin Associate agent

Sale history for 9 William Penn Rd

Year

Property tax

Land + Additions

Assessment*

2025

$20,984 (+3.0%)

$571,200 + $705,200

$1,276,400

2024

$20,382 (+7.7%)

$536,300 + $661,400

$1,197,700

2023

$18,928 (+1.1%)

$491,300 + $617,600

$1,108,900

2022

$18,714 (−1.0%)

$459,200 + $517,500

$976,700

2021

$18,904 (+1.3%)

$445,700 + $496,100

$941,800

2020

$18,667 (−1.4%)

$428,800 + $481,800

$910,600

2019

$18,935 (+3.0%)

$428,800 + $473,000

$901,800

2018

$18,388 (+8.0%)

$463,100 + $466,000

$929,100

2017

$17,019 (+0.4%)

$463,100 + $462,300

$925,400

2016

$16,949 (+4.4%)

$441,000 + $415,100

$856,100

2014

$16,238 (+1.6%)

$428,100 + $390,700

$818,800

2013

$15,987 (+4.5%)

$428,100 + $369,100

$797,200

2011

$15,295 (+2.3%)

$450,600 + $357,000

$807,600

2010

$14,953 (−0.9%)

$409,600 + $352,500

$762,100

2009

$15,092

$386,600 + $344,600

$731,200

Tax history for 9 William Penn Rd

Year

Property tax

Land + Additions

Assessment*

2025

$20,984 (+3.0%)

$571,200 + $705,200

$1,276,400

2024

$20,382 (+7.7%)

$536,300 + $661,400

$1,197,700

2023

$18,928 (+1.1%)

$491,300 + $617,600

$1,108,900

2022

$18,714 (−1.0%)

$459,200 + $517,500

$976,700

2021

$18,904 (+1.3%)

$445,700 + $496,100

$941,800

2020

$18,667 (−1.4%)

$428,800 + $481,800

$910,600

2019

$18,935 (+3.0%)

$428,800 + $473,000

$901,800

2018

$18,388 (+8.0%)

$463,100 + $466,000

$929,100

2017

$17,019 (+0.4%)

$463,100 + $462,300

$925,400

2016

$16,949 (+4.4%)

$441,000 + $415,100

$856,100

2014

$16,238 (+1.6%)

$428,100 + $390,700

$818,800

2013

$15,987 (+4.5%)

$428,100 + $369,100

$797,200

2011

$15,295 (+2.3%)

$450,600 + $357,000

$807,600

2010

$14,953 (−0.9%)

$409,600 + $352,500

$762,100

2009

$15,092

$386,600 + $344,600

$731,200

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning

Beds

—

Baths

—

Stories

Lot width

—

Lot depth

—

Lot size

1.5 Acres

Year renovated

—

Sq. Ft.

3,576

Year built

1978

Style

Single Family Residential

County

Somerset County

APN

2000036 00008 10

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 25, 2026.

R-65

Rural Residential District

The R-65 district encompasses the majority of existing 1 1/2 acre lot single family neighborhoods of Warren Township. The standards and requirements of this district are designed to recognize the existing developed neighborhood character and to further the goals of the Warren Township Master Plan.

Permitted uses

Include but are not limited to:

Agriculture
Livestock production
Housing-Single unit
Golf related

Property details

Around this home

Schools

Mount Horeb Elementary School

Public PreK-5 • Assigned • 1.7mi

7/10

Middle School

Public 6-8 • Assigned • 2.5mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

6/10 Heat Factor

7 days above 100° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Warren, NJ • 07059-5046

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.7 hours in June and 4.2 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.2 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.59M – $1.92M

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Nearby similar homes

$640,000

3 beds1 bath— sq ft

80 Reinman Rd, Warren, NJ 07059-5766

$2,550,000

5 beds4.5 baths— sq ft

44 Broadway Rd, Warren, NJ 07059-5055

$2,650,000

5 beds4.5 baths— sq ft

48 Broadway Rd, Warren, NJ 07059

$1,999,000

5 beds5.5 baths6,000 sq ft

270 Mountain Rd, Basking Ridge, NJ 07920-3410

$1,950,000

5 beds3.5 baths— sq ft

44 Manor Dr, Basking Ridge, NJ 07920-2217

$428,800

2 beds1 bath— sq ft

15 Potomac Dr, Basking Ridge, NJ 07920-3189

New listings for sale in 07059-5769

3D WALKTHROUGH

$1,250,000

3 beds3 baths25,400 sq ft

34 Gates Ave, Warren, NJ 07059-5769

$640,000

3 beds1 bath— sq ft

80 Reinman Rd, Warren, NJ 07059-5766

$1,449,000

4 beds2.5 baths— sq ft

50 Mountain Ave, Warren, NJ 07059-5318

$500,000

1 bed1 bath— sq ft

366 Warrenville Rd, Green Brook, NJ 08812-2032

Home values near 9 William Penn Rd

Data from public records.

Address	Redfin Estimate
11 William Penn Road, Warren, NJ 4 Beds \| 3.5 Baths \| - Sq. Ft.	$1,504,490
17 William Penn Road, Warren, NJ - Beds \| - Baths \| 3946 Sq. Ft.	$1,153,760

Address	Redfin Estimate
13 William Penn Road, Warren, NJ - Beds \| - Baths \| 2988 Sq. Ft.	$1,030,565
1 William Penn Road, Warren, NJ - Beds \| - Baths \| 3536 Sq. Ft.	$1,280,534

Address	Redfin Estimate
15 William Penn Road, Warren, NJ 4 Beds \| 2.5 Baths \| - Sq. Ft.	$1,453,792
3 William Penn Road, Warren, NJ - Beds \| - Baths \| 2998 Sq. Ft.	$1,099,093

Property information provided by GSMLS when last listed in 2023. This data may not match . Learn more.

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