As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$9,270 (+2.7%)
$366,900 + $192,500
$559,400
2024
$9,028 (+2.1%)
$348,600 + $180,500
$529,100
2023
$8,845 (+2.2%)
$322,700 + $168,500
$491,200
2022
$8,655 (−0.2%)
$298,700 + $157,700
$456,400
2021
$8,671 (+1.5%)
$284,500 + $151,100
$435,600
2020
$8,545 (+2.2%)
$270,900 + $146,800
$417,700
2019
$8,360 (+1.4%)
$268,200 + $144,600
$412,800
2018
$8,242 (+3.1%)
$265,600 + $144,600
$410,200
2017
$7,996 (+0.8%)
$263,000 + $151,800
$414,800
2016
$7,935 (+12.9%)
$245,700 + $156,500
$402,200
2014
$7,027 (+2.4%)
$231,600 + $120,000
$351,600
2013
$6,864 (+3.9%)
$231,600 + $113,400
$345,000
2011
$6,605 (−1.1%)
$227,000 + $104,900
$331,900
2010
$6,677 (+1.5%)
$227,000 + $102,100
$329,100
2009
$6,579
$227,000 + $99,500
$326,500
Tax history for 25 Washington Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$9,270 (+2.7%)
$366,900 + $192,500
$559,400
2024
$9,028 (+2.1%)
$348,600 + $180,500
$529,100
2023
$8,845 (+2.2%)
$322,700 + $168,500
$491,200
2022
$8,655 (−0.2%)
$298,700 + $157,700
$456,400
2021
$8,671 (+1.5%)
$284,500 + $151,100
$435,600
2020
$8,545 (+2.2%)
$270,900 + $146,800
$417,700
2019
$8,360 (+1.4%)
$268,200 + $144,600
$412,800
2018
$8,242 (+3.1%)
$265,600 + $144,600
$410,200
2017
$7,996 (+0.8%)
$263,000 + $151,800
$414,800
2016
$7,935 (+12.9%)
$245,700 + $156,500
$402,200
2014
$7,027 (+2.4%)
$231,600 + $120,000
$351,600
2013
$6,864 (+3.9%)
$231,600 + $113,400
$345,000
2011
$6,605 (−1.1%)
$227,000 + $104,900
$331,900
2010
$6,677 (+1.5%)
$227,000 + $102,100
$329,100
2009
$6,579
$227,000 + $99,500
$326,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R-20(V)
Residential District
This district recognizes the developed character of medium density residential neighborhoods in the Township. The standards are designed to provide flexibility of development standard considerate of varied lot sizes and environmental factors.
Permitted uses
Include but are not limited to:
Agriculture
Livestock production
Healthcare
Housing-Single unit
Housing-Senior
Property details
Exterior
Exterior Information
Exterior Wall: Frame
Property Information
Living Sq. Ft: 1,750
# of Stories: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 91,912
Legal Lot Number: 48.02
Legal Block Number: 59
Acres: 2.11
Zoning Code: R20V
State Use Description: RESIDENTIAL
Financial
Assessor Information
Assessment Year: 2026
Tax District County: WARREN TWP
Public facts
Beds: —
Baths: —
Sq. Ft.: 1,750
Stories: 2.0
Lot Size: 2.11 acres
Style: Single Family Residential
Year Built: 1880
Year Renovated: —
County: Somerset County
APN: 2000059 00048 02
Home facts updated by county records on Jul 6, 2026
Around this home
Schools
Angelo Tomaso School
Public K-5 • Assigned • 0.3mi
9/10
Middle School
Public 6-8 • Assigned • 3.2mi
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
6/10 Heat Factor
7 days above 102° 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
Average low and high temperatures (°F)
35
20
39
23
56
34
63
42
70
51
80
61
88
69
83
62
77
57
68
45
56
36
40
25
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
$581,000 – $704,000
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