For Sale14d on market
20 William Penn Rd
Warren, NJ, 07059 • 07059 • Somerset County
$1,199,000
Down payment assistance available
4Beds
3Baths
1.5 acLot
1981Built
Property DNA
Colonial Style
Built 1981 · 45 years of history
Enhanced Security
Carbon Monoxide Detector(s) · Fire Extinguisher · Smoke Detector(s)
Outdoor Living
Deck · Enclosed Porch(es) · Patio
1 Fireplace
Living Room
Private Pool
In Ground · Liner
2-Car Garage
Additional Parking · Asphalt · Circular Driveway · Attached Garage
Tile & Wood Floors
Quality flooring throughout
This home is getting attention
Listed 14 days ago · 4,037 views · 173 saves
Market activity
Demand and pricing signals for this listing
4,037 views
People checking out this listing
173 saves
Buyers have saved this home
14 days on market
Recently listed
Selling Soon Prediction
ModerateThis home ranks in the top 47% of listings most likely to go under contract soon, based on market activity and demand signals.
Likelihood score
Want the full market analysis?
Get the detailed selling prediction score, comparable sales data, and price trend forecast for this property.
Free · Delivered to your inbox in minutes
About this home
Single Family · Built 1981
This spacious 4-bedroom, 2.5-bath home offers a wonderful opportunity to add your own style and updates. Featuring a flexible layout, the main level includes a large family room with vaulted ceilings that creates an open and airy feel, along with a first-floor office ideal for work, hobbies, or additional living space. The kitchen and adjoining areas provide a great footprint for customization and everyday living. Upstairs, four bedrooms offer comfortable accommodations with ample closet space. Outdoor features include a composite deck overlooking the yard and an in-ground pool, providing a setting for outdoor enjoyment and entertaining. A circular driveway offers convenient access and additional parking. With solid space, desirable features, and room to make it your own, this property presents a great opportunity for its next owner.
Standout features identified
Our analysis highlights in-ground pool, flexible layout, and open and airy feel as key attractions of this home.
Estimated monthly payment
Based on current rates
$7,515/month
Principal & Interest$5,917
Property Tax$1,199
Insurance$400
Down payment20% ($239,800)
3%50%
Est. 6.27% rate · 30yr fixed · $959,200 loan
Full calculator →At a glance
Key facts and listing details
TypeSingle Family Residence
Year Built1981
HeatingForced Air, Natural Gas
CoolingCentral Air
Parking2 Attached Garage spaces
Lot1.50 Acres
Days on Zillow14 Days
Property
Home typeSingle Family
Sub-typeSingle Family Residence
StyleColonial
Year built1981
Systems
HeatingForced Air, Natural Gas
CoolingCentral Air
RoofAsphalt Shingle
ConstructionBrick, Vinyl Siding
Water / SewerPublic / Public Sewer
Parking & Outdoor
ParkingAdditional Parking, Asphalt, Circular Driveway, Attached Garage
Garage2 spaces
BasementYes,Unfinished
Fireplaces1
Lot1.50 Acres
Location & Tax
Neighborhood07059
Annual tax$16,919
Parcel200003600000100011
Bathrooms & Fees
Full baths2
Features & details
15 categories of property features
Interior Features
Interior
Central Vacuum
Office
Foyer
Appliances
Carbon Monoxide Detector
Central Vacuum
Dryer
Refrigerator
Washer
Gas Water Heater
Flooring
Carpet
Parquet-Some
Tile
Wood
Heating
Forced Air
Natural Gas
Cooling
Central Air
Laundry
Laundry Room
Level 1
Fireplace
Living Room
Windows
Skylight(s)
Exterior Features
Parking
Additional Parking
Asphalt
Circular Driveway
Attached Garage
Construction
Brick
Vinyl Siding
Patio & Porch
Deck
Enclosed Porch(es)
Patio
Security
Carbon Monoxide Detector(s)
Fire Extinguisher
Smoke Detector(s)
Carbon Monoxide Detector
Pool Features
In Ground
Liner
Utilities
Underground Utilities
Electricity Connected
Natural Gas Connected
Cable Available
Fiber Optic Available
Garbage Extra Charge
Gas
Gas-Natural
Room details
11 rooms detailed
Master Bedroom
Bedroom1
Second20×14 ft280 sqft
Bedroom2
Second15×12 ft180 sqft
Bedroom3
Second22×13 ft286 sqft
Bedroom4
Second13×12 ft156 sqft
Master Bathroom
Soaking TubStall Shower
Listing insights
Market data and value estimates
StatusFor Sale
Days on market14
Est. value$1,187,900
Est. rent$5,636/mo
Tax rate1.91%
On marketMar 27, 2026
PostedMar 27, 2026
Last sold$89,000
MLS statusActive
MLS updatedMar 29, 2026
Tour days9
Views4,037
Favorites173
How are the schools in Warren?
3 schools rated nearby
Location
Warren, NJ, 07059
Price history
2 events
DateEventPrice$/sqftSource
Mar 27, 2026Listed For Sale$1,199,000—GSMLS
Nov 3, 1980Sold$89,000—Agent Provided
Listed For Sale$1,199,000
Mar 27, 2026•GSMLS
Sold$89,000
Nov 3, 1980•Agent Provided
Tax history
25 years of records
YearTax paidAssessed value
Apr 10, 2025$17,750$965,700
Apr 10, 2024$16,399$892,200
Apr 10, 2023$16,169$834,300
Apr 10, 2022$16,151$805,200
Apr 10, 2021—$778,000
Apr 10, 2020$16,553$772,800
Apr 10, 2019$16,081$812,200
Apr 10, 2018$16,081$809,300
Apr 10, 2017$16,067$808,200
Apr 10, 2016$15,995$797,200
Apr 10, 2015$15,512$781,000
Apr 10, 2014$15,267$761,500
Apr 10, 2013$15,390$756,900
Apr 10, 2012$14,585$772,200
Apr 10, 2011$14,211$726,700
Apr 10, 2010$14,237$694,900
Apr 10, 2009$13,375$781,800
Apr 10, 2008—$785,400
Apr 10, 2007—$810,800
Apr 10, 2006—$732,000
Apr 10, 2005—$694,500
Apr 10, 2004$10,115$595,000
Apr 10, 2003—$595,000
Apr 10, 2002—$543,300
Apr 10, 2001—$511,000
Nearby homes
Neighborhood details
Local context around this listing
Warren, NJ • Somerset County
Nearby cities
Basking RidgeBound BrookBranchburg TownshipBridgewater TownshipHillsborough TownshipNorth PlainfieldPrincetonSomerset
Nearby zip codes
07059
Similar homes
The data relating to real estate for sale on this website comes in part from the IDX Program of Garden State Multiple Listing Service, L.L.C. Real estate listings held by other brokerage firms are marked as IDX Listing. Information deemed reliable but not guaranteed. Copyright © 2026 Garden State Multiple Listing Service, L.L.C. All rights reserved. Notice: The dissemination of listings on this website does not constitute the consent required by N.J.A.C. 11:5.6.1 (n) for the advertisement of listings exclusively for sale by another broker. Any such consent must be obtained in writing from the listing broker.
No obligation · Same-day response