01Multi-family homes in Warren County, NJ
Warren County multi-family homes for sale.
Browse multi-family homes for sale in Warren County, New Jersey. Multi-family inventory here is largely older two-to-four-family houses and river-town rowhomes in Phillipsburg, the county's largest town, along with duplexes in Washington and the Victorian county seat of Belvidere, where investors and owner-occupants find income tied to real, diverse demand. The Lehigh Valley workforce across the Delaware, Centenary University and Warren County Community College students, and steady river-town renters keep units leasing. For buyers who want rental income, house-hacking, or a durable long-term asset at prices well below northern New Jersey, Warren County offers a genuine small-multi market, though every buyer should verify legal units and permits before purchasing.
Multi-family properties in Warren County vary widely by town, condition, and unit count, from river-town two-to-four-family houses in Phillipsburg to duplexes in Washington and Belvidere, with income and value tied closely to Lehigh Valley workforce and college rental demand, and every unit's legality worth verifying.
Updated Spring 2026
Search Warren County multi-family homes, updated in real time.
Explore the latest homes for sale in Warren County, NJ, updated in real time so you see accurate availability and pricing across the Delaware River towns, the Hackettstown and Washington suburbs, and the rural mountain and farm country.
Warren County is served by districts including Hackettstown, Phillipsburg, and Warren Hills Regional and by Warren County Community College and Centenary University, with Atlantic Health Hackettstown Medical Center and St. Luke's Warren Campus nearby and Interstates 78 and 80 for regional access. Use the price-range pages below to narrow your search, or call 888-327-6555 for a town-by-town update.
When comparing multi-family homes in Warren County, verify the legal number of units with the municipality, review the rent roll and leases in writing, and budget for maintenance on older buildings, since a Phillipsburg workforce rental across from the Lehigh Valley, a Washington duplex near Warren County Community College, and a Belvidere two-family house carry very different tenant bases, income, and condition.
27 Properties Available In Warren
- 1/32 32
5 Beds 2 Baths 2,613 Sqft Lot$369,900New122 Summit Ave, Phillipsburg Town, NJ 08865
Listed by KELLER WILLIAMS REAL ESTATE
Multi-Family, Commercial
- 1/19 19
2 Beds 2 Baths 3,049 Sqft Lot$264,900New 
3 Beds 3 Baths 2,100 SqFt$350,000New226 S Main St, Phillipsburg Town, NJ 08865
Listed by PARANEE PROPERTIES OF NJ LLC
Multi-Family, Commercial
- 1/19 19
3 Beds 2 Baths 2,000 SqFt$349,000Price Dropped by $1K112 Chambers St, Phillipsburg Town, NJ 08865
Listed by COLDWELL BANKER REALTY
Multi-Family, Commercial
- 1/40 40
6 Beds 3 Baths 3,140 SqFt$499,000Active41 Washington Ave, Oxford Twp., NJ 07863
Listed by KL SOTHEBY'S INT'L. REALTY
Multi-Family, Commercial
- 1/41 41
4 Beds 4 Baths 7,405 Sqft Lot$489,000Active - 1/20 20
4 Beds 2 Baths 19,998 SqFt$285,000Under Contract39 Broad St, Washington Boro, NJ 07882
Listed by KELLER WILLIAMS REAL ESTATE
Multi-Family, Commercial
3 Beds 2 Baths$280,000Active- 1/21 21
2 Beds 2 Baths 2,997 SqFt$265,000Price Dropped by $5K151 S Main St, Phillipsburg Town, NJ 08865
Listed by KELLER WILLIAMS REAL ESTATE
Multi-Family, Commercial
- 1/47 47
5 Beds 2 Baths 3,920 Sqft Lot$299,000Under Contract283 Mercer St, Phillipsburg Town, NJ 08865
Listed by KELLER WILLIAMS METROPOLITAN
Multi-Family, Commercial
- 1/43 43
3 Beds 2 Baths 2,613 Sqft Lot$299,000Price Dropped by $11K17 Railroad Ave, Phillipsburg Town, NJ 08865
Listed by KELLER WILLIAMS VILLAGE SQUARE
Multi-Family, Commercial
- 1/14 14
4 Beds 2 Baths 5,662 Sqft Lot$389,000Under Contract5 Park Sq, Lopatcong Twp., NJ 08865
Listed by KELLER WILLIAMS PROSPERITY REALTY
Multi-Family, Commercial
- 1/33 33
6 Beds 3 Baths 5,227 Sqft Lot$450,990Under Contract60 Brainard St, Phillipsburg Town, NJ 08865
Listed by KELLER WILLIAMS REAL ESTATE
Multi-Family, Commercial
- 1/44 44
5 Beds 3.5 Baths 4,356 Sqft Lot$370,000Under Contract441 S Main St, Phillipsburg Town, NJ 08865
Listed by KELLER WILLIAMS REAL ESTATE
Multi-Family, Commercial
- 1/9 9
5 Beds 2 Baths 990 SqFt$339,900Price Dropped by $10K - 1/23 23
6 Beds 4 Baths 3,996 SqFt$640,000Active - 1/21 21
5 Beds 3 Baths 2,997 SqFt$510,000Under Contract - 1/50 50
6 Beds 5.5 Baths 4,325 SqFt$649,900Under Contract53 Wilson St./ Heckman, Phillipsburg Town, NJ 08865
Listed by COLDWELL BANKER HEARTHSIDE
Multi-Family, Commercial
- 1/31 31
8 Beds 2.5 Baths 3,456 SqFt$575,000Price Dropped by $14K - 1/23 23
3 Beds 2 Baths 3,049 Sqft Lot$399,000Active - 1/21 21
2 Beds 2 Baths 1,768 SqFt$369,999Under Contract270-270A Sitgreaves St, Phillipsburg Town, NJ 08865
Listed by NEST SEEKERS NEW JERSEY LLC
Multi-Family, Commercial
- 1/15 15
4 Beds 2 Baths 1,600 SqFt$337,000Under Contract26-28 Lewis St, Phillipsburg Town, NJ 08865
Listed by BHHS PAUL FORD REALTORS
Multi-Family, Commercial
- 1/13 13
3 Beds 2 Baths 1,998 SqFt$390,000Active244 Sitgreaves St, Phillipsburg Town, NJ 08865
Listed by COLDWELL BANKER REALTY
Multi-Family, Commercial
- 1/25 25
8 Beds 5 Baths 8,712 Sqft Lot$775,000Under Contract167 Belvidere Ave, Washington Boro, NJ 07882
Listed by COLDWELL BANKER REALTY
Multi-Family, Commercial
explore listings in Warren
02Explore Communities & Market
Where to buy a multi-family property in Warren County.
Multi-family inventory in Warren County concentrates in the river towns and boroughs rather than the rural townships, and where you look depends on your income strategy and tenant base. Investors targeting workforce and college demand gravitate to Phillipsburg, with its rail-era rowhomes and two-to-four-family houses across the Delaware from Easton and the Lehigh Valley; owner-occupants and value investors look to Washington and Belvidere for older duplexes near Warren County Community College and the central corridor; and buyers seeking a foothold in an affordable market consider the smaller river-town and borough properties. Because most of the county is single-family, farm, and mountain land on wells and septic, small-multi stock is limited, older, and concentrated in the denser towns, which makes location, condition, and legal-unit verification essential. Compare the areas below before you choose.
Multi-family character varies across the county. Phillipsburg holds the county's deepest small-multi market, with older two-to-four-family houses and rowhomes shaped by its rail and industrial heritage, drawing Lehigh Valley workers and renters across the river from Easton and near St. Luke's Warren Campus; Washington offers duplexes near Warren County Community College and the Route 31 and 57 corridor; and Belvidere adds older two-family houses in a Victorian county seat on the Delaware. That range gives multi-family buyers a real choice, from an income-focused Phillipsburg workforce property to an owner-occupied Washington duplex, all in an affordable market where verifying every legal unit with the municipality is the first step.
Buyers should also weigh how sharply Warren County multi-family properties differ: a rail-era two-to-four-family house or rowhome in Phillipsburg drawing on the Lehigh Valley workforce across the Delaware, a duplex in Washington near Warren County Community College, and an older two-family house in the Victorian county seat of Belvidere each carry a distinct tenant base, income, and condition, so verifying the legal units with the municipality, confirming the rent roll and leases in writing, and inspecting the older systems on each building is the surest way to buy an affordable Warren County multi-family that performs.
Income, tenants, and strategy for multi-family buyers in Warren County.
Multi-family ownership in Warren County is above all an income and value play in an affordable river-town market. An investor in Phillipsburg can buy an older two-to-four-family house across the Delaware from Easton, drawing on the Lehigh Valley workforce and college renters, at a price well below northern New Jersey; an owner-occupant in Washington or Belvidere can live in one unit of a duplex and rent the others near Warren County Community College and the central corridor. For buyers seeking house-hacking, rental income, or a durable asset in the Skylands, the county's small-multi stock offers a genuine, attainable path, provided the units are legal and the building is sound.
For investors and owner-occupants, the county's appeal is affordability and diverse, durable demand. Phillipsburg's Lehigh Valley workforce, the students of Centenary University and Warren County Community College, and steady river-town households give multi-family owners a real pool of tenants, while prices well below the eastern suburbs improve the math on rental income. Because the stock is older, buyers should budget for roofs, systems, and deferred maintenance, confirm the rent roll and leases in writing, and above all verify that every unit is legally permitted with the municipality before purchasing.
Day to day, multi-family ownership in Warren County rewards diligence. Because the river-town and borough stock is older and rail-era, buyers should budget for older roofs, heating systems, and deferred maintenance, verify that every unit is legally permitted with Phillipsburg, Washington, or the relevant municipality, and confirm the rent roll and leases in writing. Proximity to the Lehigh Valley across the Delaware, to Centenary University and Warren County Community College, and to St. Luke's Warren Campus underpins demand, and owners who screen tenants carefully, keep clear leases, and maintain their buildings can turn a Warren County multi-family into a durable income asset at a price point hard to match elsewhere in northern New Jersey.
The affordability of the Warren County multi-family market is a genuine advantage for investors and owner-occupants alike: because two-to-four-family houses and rowhomes in Phillipsburg, Washington, and Belvidere sell at prices well below the eastern suburbs, the math on rental income, drawing on the Lehigh Valley workforce and Centenary University and Warren County Community College students, can work well for a buyer who verifies every legal unit with the municipality, confirms the rent roll and leases in writing, and budgets for maintenance on the county's older, rail-era river-town buildings before purchasing.
Search Warren County homes by price.
Jump to a price range or property type that fits your search, browse the Warren County area guide, or check current open houses. Every link below is a live page.
Browse Warren County towns & neighborhoods.
Explore our town-by-town guides near Warren County and across Warren County. Each guide covers local neighborhoods, schools, commute options, and current listings.
Warren County open houses.
Browse upcoming open houses in Warren County, or register for weekly alerts. Call 888-327-6555 to schedule a private showing any day of the week.
Homes for sale by property type.
Explore every type of home in and around Warren County through our Warren County property pages: single-family homes, river-town, mountain, and farm-country homes, townhomes and condos, new construction, 55+ active-adult communities, and multi-family investment properties.
The Warren County multi-family market, by the numbers.
The median list price in Warren County, NJ is currently $432K, about $230 per square foot. Homes here average 45 days on market with roughly 500 active listings. Updated Spring 2026.
Warren County's multi-family market centers on the river-town two-to-four-family houses and rowhomes of Phillipsburg, the duplexes of Washington near Warren County Community College, and the older two-family houses of Belvidere, an affordable investor and owner-occupant market tied to Lehigh Valley workforce and college rental demand.
Updated Spring 2026
Within Warren County, larger and better-located two-to-four-family houses in Phillipsburg near the Lehigh Valley and St. Luke's Warren Campus command the higher multi-family prices, while smaller duplexes in Washington and Belvidere offer the more attainable owner-occupant entry points. Because the county's small-multi stock is older and limited, the buyers who succeed here verify every legal unit with the municipality, confirm the rent roll and leases in writing, budget for maintenance on older systems, and model realistic rents and vacancy against the county's affordable prices. Call 888-327-6555 for a street-by-street breakdown.
Why buy a multi-family home in Warren County.
- Affordable investor marketPhillipsburg, Washington, and Belvidere offer two-to-four-family houses at prices well below northern New Jersey, improving the math on rental income.
- Lehigh Valley workforce demandPhillipsburg's position across the Delaware from Easton and the Lehigh Valley draws a steady workforce of renters to the county's river-town multi-family stock.
- College rental demandCentenary University and Warren County Community College add student and staff renters, supporting demand in Hackettstown, Washington, and the boroughs.
- House-hacking opportunityOwner-occupants can live in one unit of a Washington or Belvidere duplex and rent the others, a practical path to ownership in an affordable market.
- Verify legal units firstWarren County's small-multi stock is older and rail-era, so verifying every legal unit and permit with the municipality is the essential first step.
Amenities & community overview.
A closer look at income, tenants, and diligence for multi-family buyers in Warren County.
- Browse all homes for sale in Warren County or explore the wider Warren County market.
- Compare Warren County neighborhoods and home styles before choosing, from attainable options to its premier properties.
- Weigh your commute: Interstate 78, Interstate 80, Route 22, Route 31, Route 46, and Route 57, plus warren County has no commuter rail of its own, so Interstate 78 carries western residents to the Lehigh Valley in Pennsylvania and Interstate 80 carries eastern residents toward Morris County and New York, with NJ Transit buses and the Morristown and Raritan Valley rail lines reachable to the east.
- Explore the Delaware River town of Phillipsburg across from Easton, Centenary University in Hackettstown, the Victorian county seat of Belvidere, Jenny Jump State Forest, and the Delaware Water Gap, with parks, dining, and rail access nearby.
- Call 888-327-6555 for a live, neighborhood-by-neighborhood market update in Warren County.
Multi-family ownership in Warren County rests on affordable prices, diverse demand, and careful diligence. Investors targeting the Lehigh Valley workforce buy older two-to-four-family houses and rowhomes in Phillipsburg across the Delaware from Easton near St. Luke's Warren Campus; owner-occupants and value investors buy duplexes in Washington near Warren County Community College and in the Victorian county seat of Belvidere; and all draw on the same fundamentals, the Lehigh Valley workforce, Centenary University and Warren County Community College students, and steady river-town households, that keep the county's rental demand resilient. Because the stock is older and limited, the buyers who succeed here verify that every unit is legally permitted with the municipality, confirm the rent roll and leases in writing, budget for maintenance on older systems, and model realistic rents and vacancy. Done with that diligence, a well-located Warren County multi-family can generate steady income at a price point hard to match elsewhere in northern New Jersey.
Resources for buyers & sellers.
Local and county government, schools, healthcare, transportation, parks, and financial assistance relevant to Warren County, NJ buyers and sellers, every link verified and described below.
First-time home buyer programs in Warren County.
First-time buyer in Warren County or Warren County, NJ? The New Jersey Dream Homeownership Program from NJHMFA helps eligible buyers with affordable financing, down payment and closing-cost assistance, and homebuyer education. Special options are available for military members, public safety professionals, educators, and healthcare workers.
03Connect for Answers
Frequently asked questions.
What is the average price of a multi-family home in Warren County, NJ?
Multi-family prices vary widely by town, unit count, and condition, from smaller two-family houses in Washington and Belvidere to larger two-to-four-family houses and rowhomes in Phillipsburg near the Lehigh Valley. Prices generally run well below northern New Jersey. Call 888-327-6555 for current, property-specific figures.
Which Warren County towns have the most multi-family homes?
Phillipsburg holds the county's deepest small-multi market, with older two-to-four-family houses and rowhomes from its rail era, while Washington and Belvidere offer duplexes and older two-family houses. The rural townships have little multi-family stock.
What drives multi-family rental demand in Warren County?
The Lehigh Valley workforce across the Delaware from Phillipsburg, students and staff at Centenary University and Warren County Community College, and steady river-town households provide distinct, reliable rental demand for the county's small-multi stock.
Should I verify the legal units before buying a multi-family in Warren County?
Yes, always. Because the county's small-multi stock is older and rail-era, buyers should verify with Phillipsburg, Washington, or the relevant municipality that every unit is legally permitted, since unpermitted units can affect financing, insurance, and rental income. We can help you confirm.
Is a Warren County multi-family a good owner-occupant option?
It can be. Owner-occupants can live in one unit of a Washington or Belvidere duplex and rent the others, a practical, attainable path to ownership in an affordable market near Warren County Community College and the central corridor. We can help you evaluate a specific property.
How is the Lehigh Valley relevant to multi-family investors in Warren County?
Phillipsburg sits directly across the Delaware from Easton and the Lehigh Valley's job market, so its two-to-four-family houses and rowhomes draw a steady workforce of renters, a defining source of demand for the county's river-town multi-family stock.
What should I budget for on an older Warren County multi-family?
Budget for older roofs, heating systems, wiring, and deferred maintenance common in the county's rail-era river-town stock, and confirm the rent roll, leases, and legal units before purchasing, since the affordable price often reflects an older building that needs investment.
How competitive is the multi-family market in Warren County?
Steady but limited, since small-multi stock is concentrated in Phillipsburg, Washington, and Belvidere. Well-located, legally permitted properties with sound condition draw reliable investor and owner-occupant interest at prices below the eastern suburbs.
Can Four Point Realty help me buy a multi-family in Warren County?
Yes. We help investors and owner-occupants find and analyze two-to-four-family houses across Phillipsburg, Washington, and Belvidere, verify legal units, and model income and expenses. Call 888-327-6555 to start.
Can Four Point Realty help me sell my multi-family in Warren County?
Yes. We market multi-family properties with professional marketing and pricing built on real, town-specific comparables, rent rolls, and demand. Call 888-327-6555 to discuss your property.
How do I get alerts for new multi-family listings in Warren County?
Register for a free account and set your town, unit-count, and price filters, or call 888-327-6555 and we will set up a curated multi-family search for you.
What towns near Warren County should multi-family buyers also consider?
Buyers sometimes compare Warren's river-town small-multi market against neighboring Hunterdon or Morris County, or across the Delaware in the Lehigh Valley of Pennsylvania. We can help you weigh the trade-offs.
Should I buy a multi-family or a single-family rental in Warren County?
Multi-family properties in Phillipsburg, Washington, and Belvidere spread risk across units and draw on Lehigh Valley workforce and college demand, while single-family rentals offer simpler management and broad tenant appeal. We can help you weigh both against your goals. Call 888-327-6555.
Why choose Four Point Realty for your search.
Buying or selling a home is one of the biggest financial decisions you will make. Four Point Realty is a trusted NJ real estate resource led by Naveen Sharma, offering current listings, strong local market knowledge, and honest insights from the first showing to the closing table. Call 888-327-6555 today.
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