Warren Township was incorporated in 1806 and named after General Joseph Warren, a hero of the Battle of Bunker Hill. Today it spans 19.7 square miles across Somerset County, stretching from the crest of the First Watchung Mountain across Washington Valley to the Second Mountain and beyond.
Buyers looking here face a specific market reality. In the 90 days ending September 30, 2026, all 55 homes sold in the township were single-family detached houses. The choice of where to live comes down to your daily commute, whether you want public sewer or septic, and the lot size permitted by the local zoning district. For financing, offers and closing, see our guide to buying a home in Warren Township.
Key Takeaway
Pick your Warren neighborhood by commute route first. Start with Warrenville or Mount Bethel if you drive I-78 every day, and look to Mount Horeb or Washington Valley if your trips run west toward Bridgewater. With just 1.7 months of single-family supply in the 90 days ending September 30, 2026, shortlist two neighboring areas so a slow month in one doesn't stall your search.
Who This Guide Is For
You're shopping for a home in Warren Township and need to decide which part of town to focus on before the few houses that fit your needs go under contract.
How to Choose a Neighborhood in Warren, NJ
In Warren, neighborhoods don't compete on home type or price tier. The market recorded only 30 detached houses listed for sale, leaving just 1.7 months of supply. The best area is the part of the township whose commute route, lot zoning, and utility setup fits you. Shortlist two adjacent areas rather than wait on one.
A median 27 days on market means you have weeks, not months, to decide. A 100.6% median sale-to-list ratio means the typical winning offer lands near asking. Yet 40.7% of those homes sold above list, so be pre-approved and decide your ceiling before you tour a single property. Minimum lot sizes vary widely by zone, from 10,000 square feet in the R-10 district to 1.5 acres in the R-65 zone, up to 3 acres in the rural CR-130/65 zone.
As you narrow down your search, ask yourself:
Do you drive I-78 east most days, or do you need a train station? If you drive I-78, start with Warrenville or Mount Bethel. If you need rail, read the train-station FAQ first, because no NJ Transit station sits inside the township.
Do you need public sewer, or are you comfortable maintaining a septic system and a private well? Check the sewer service area map for any street you consider.
Does it have to be a detached house? If not, read the section on townhouses and condos first, because attached homes are close to absent from recent sales.
Can you tour and write an offer within a few weeks of a listing going live? If not, check the market data section below to see how fast homes sell here.
Warren Neighborhoods Near I-78 and Mountain Boulevard
The township sits between Route 78, Route 22, and Route 287, which makes it a regular choice for New York City commuters. The township website notes that Warren is less than 35 miles from Manhattan.
The eastern and central parts of the township offer the shortest drive to the I-78 interchanges and the Mountain Boulevard corridor. If your commute runs eastbound, this is where your search should start.
Warrenville
Warrenville is the township's central crossroads. It sits close to Mountain Boulevard's shops and municipal offices, with a fast route onto I-78 for eastbound commuters. Housing consists of detached homes on lots set by the zoning district.
Look up the parcel's zoning district to confirm minimum lot size and what additions are permitted. Don't assume a lot size based on neighboring yards. Drive the commute from the actual street at weekday rush hour before making an offer.
The trade-off is straightforward: the closest streets can carry highway noise and through-traffic. You also give up immediate rail access, since the nearest train station is still a drive outside the township.
Mount Bethel
Mount Bethel sits on the township's eastern side, toward Watchung and the Route 22 corridor, giving drivers a direct eastbound route toward Newark or Manhattan.
Some streets in this part of town may not be on public sewer. The Warren Township Sewer Department maintains an official Sewer Service Area Map, dividing the system into five areas served by separate treatment plants. Check whether any address you're considering is in the sewer service area or relies on septic. Being close to Route 22 and the interstate brings more vehicles nearby. If the home uses septic, ask the seller for pumping and inspection records before you go under contract.
Neighborhoods in Western Warren
The western side of Warren Township includes the hamlets of Washington Valley and Mount Horeb. These areas sit along roads that run toward Bridgewater and Martinsville, providing quicker trips west and south.
Buyers looking in this half of the township will find hilly terrain and different utility setups compared to the center of town. Trips eastbound take a little longer from here, and that's worth factoring into your commute math before you fall in love with a listing.
Washington Valley
The valley runs between the First and Second Watchung Mountains along Washington Valley Road and continues into Bridgewater. It takes its name from General George Washington's 1777 Continental Army encampment there. After the Battle of Bound Brook, Washington moved his army into the Middle Brook valley, protected by positions on the Middlebrook Heights ridge.
Today, the hilly terrain means you should pay attention to driveway grades, drainage, and winter access. Valley floors and steep lots raise water and access questions that a standard walkthrough won't answer on its own. Search the address on FEMA's Flood Map Service Center, walk the driveway grade yourself, and ask the seller about any history of basement water.
Mount Horeb
Mount Horeb sits on the western side of the township, offering a shorter drive to western anchors like Bridgewater or the Raritan Valley Line. Lots here often rely on a private well and septic.
If the home uses a private well, order a water test before your inspection contingency ends and confirm the address on the sewer map. The trade-off for being on the western side is a longer run to I-78 eastbound for Newark or Manhattan trips. Understand that going in.
Townhouses and Condos in Warren
Buyers searching for an attached home will find very limited options. Out of 32 total active listings in the 90 days ending September 30, 2026, only two were not detached houses; all 55 sales that period were single-family homes.
Anyone set on a townhouse or condo should expect to wait for a listing or widen the search to neighboring towns. When an attached property does hit the market, ask the HOA for current dues, what they cover, and any planned special assessments. Those fees factor directly into your monthly budget and your debt-to-income ratio.
Warren, NJ Housing Market at a Glance
These are township-wide figures. The local MLS does not break them out by neighborhood.
Median sale price, all homes: $1,264,398 (90 days ending Sept. 30, 2026)
Median sale price, single-family: $1,264,496 (90 days ending Sept. 30, 2026)
Change in median sale price, all homes: +11.4% year over year (90 days ending Sept. 30, 2026)
Homes sold, all homes: 55, all of them single-family (90 days ending Sept. 30, 2026)
Median days on market, all homes: 27 (90 days ending Sept. 30, 2026)
Median sale-to-list ratio, all homes: 100.6% (90 days ending Sept. 30, 2026)
Share sold above list price, all homes: 40.7% (90 days ending Sept. 30, 2026)
Months of supply: 1.8 for all homes, 1.7 for single-family (90 days ending Sept. 30, 2026)
Homes for sale: 32 for all homes, 30 single-family (90 days ending Sept. 30, 2026)
Median price per square foot, all homes: $403 (90 days ending Sept. 30, 2026)
Next Steps for Buying in Warren
For financing, offers and closing in Warren, see our guide to buying a home in Warren Township.
Warren, NJ Neighborhoods FAQs
Is Warren, NJ, a Good Place to Live?
Warren is a Somerset County township of mostly detached single-family homes. It encompasses 19.7 square miles with over 400 acres of municipal and county open space, including several parks and hiking trails, and it's positioned less than 35 miles from Manhattan via I-78. To see which area fits your needs, read "How to Choose a Neighborhood in Warren, NJ" above.
Is Warren, NJ, an Expensive Place to Buy a Home?
Yes. The median sale price for all homes in Warren was $1,264,398 in the 90 days ending September 30, 2026, or about $403 per square foot. The New Jersey statewide single-family median sales price was $614,000 for September 2026. Prices in Warren rose 11.4% over the past year, so don't plan on waiting for a dip.
How Much Are Property Taxes in Warren, NJ?
Property assessments and tax bills vary from house to house. Ask the tax collector or check the county tax record for the specific property's most recent tax bill to see exactly what you'll pay.
What School District Serves Warren, NJ?
The Warren Township School District serves students in pre-kindergarten through eighth grade. Students in grades 9 through 12 attend Watchung Hills Regional High School, which also receives students from Watchung, Green Brook Township, and Long Hill Township. Confirm school assignment for the specific address with the district's lookup tool, as boundaries can change.
Does Warren, NJ, Have a Train Station?
No, Warren Township itself has no NJ Transit rail station. The nearest Gladstone Branch stations are just over the border in Long Hill Township, including Millington, Stirling, and Gillette. Check with the specific station to confirm parking permit availability before you buy.
How Can I Check Crime Data for an Address in Warren, NJ?
You can review township-level figures through the Warren Township Police Department and the New Jersey State Police Uniform Crime Report. Look up the annual report to compare categories over time and see historical data for the area.
