New Jersey’s housing crunch has made multi-family homes an increasingly important part of the conversation. As a recent New Jersey Future analysis notes, “the rent is too high, buying a home feels impossible, and competition is fierce” in today’s market. The problem is simple: there simply aren’t enough homes to meet demand. Traditionally, New Jersey’s “home rule” local zoning promoted low-density single-family neighborhoods, which blocked many new housing types. Now, as planners and residents seek more housing variety, multi-family homes – duplexes, triplexes, small apartment buildings and townhouse clusters – are gaining favor.
WHY MULTI-FAMILY HOUSING APPEALS TO HOMEOWNERS
Multi-family housing offers several compelling benefits for homeowners and communities alike. First, it can boost affordability and housing options. By adding more units on the same land, duplexes and townhomes allow more people (often younger adults, seniors or workers) to find homes near jobs and transit. For example, backyard cottages or garage apartments – known as accessory dwelling units (ADUs) – are becoming popular because they “offer affordable living for older adults seeking to downsize, young adults starting out, or essential workers who want to live close to their jobs and families”. These smaller units use existing land and infrastructure efficiently and help neighborhoods evolve “without drastic changes”. This extra housing supply helps fill the gap between expensive single-family homes and very large apartment towers, easing pressure on renters and first-time buyers.
Second, multi-family ownership can be a financial asset for homeowners. Homeowners who buy a duplex or add an ADU can earn rental income on the extra unit, offsetting their own mortgage or living costs. Research highlights motivations like caring for a relative or earning rental income and increasing property value as major drivers for adding an ADU. In fact, studies show that ADUs tend to increase home values by adding flexible living space and rental potential. In other words, a homeowner who builds an in-law suite or rents part of a duplex often ends up with a higher-valued property. This financial cushion is one reason multi-family dwellings (and ADUs in particular) are attractive in today’s market.
Finally, multi-family homes can help families stay in neighborhoods they love. A townhome cluster or triplex allows parents and grown children to live near each other, or provides a unit for an aging family member. It also boosts foot traffic for local shops and supports transit service by adding more residents in the same area. “Middle housing provides an opportunity to add density without dramatically altering neighborhood character,” observes New Jersey planners – meaning families can gain more housing without feeling like their neighborhood is changing overnight.
URBAN PLANNING AND ZONING: GATEKEEPERS OF DENSITY
The spread of multi-family housing in New Jersey has hinged on zoning and planning policy. For decades, many towns enforced strict single-family zoning, effectively “weaponizing” low-density housing against change. Under such rules, only one house could go on a lot, and adding a second or third unit was forbidden. This led to a legacy where typical suburban streets are almost entirely single-family homes, making it very hard to build anything else. As a result, middle housing (duplexes to 10-unit buildings) was largely “sidelined by post-war zoning and suburbanization”. During that same era, only large apartment buildings went up in cities, leaving a “gap in available housing types”.
That is now slowly changing. In recent years, New Jersey officials and local planners have begun to embrace what the NJ Transit Transit Friendly Planning guide calls gentle density. This means allowing modest multi-family infill – like townhouses or small apartment buildings – within traditionally single-family neighborhoods. For example, state lawmakers have proposed bills to permit ADUs in all single- and two-family zones and to reduce onerous rules (like excessive parking requirements) on housing near transit. Governor Murphy’s 2025 State of the State speech emphasized cutting red tape: he noted that allowing these kinds of changes could add “thousands of new affordable housing units” across New Jersey.
Some towns have also moved on their own. Princeton, Maplewood, Montclair, South Orange and even Jersey City have passed ordinances to allow ADUs and other missing-middle housing. In many cases, this has unleashed immediate growth – Minneapolis and several Oregon cities show that simple zoning changes led to 5- to 10-fold spikes in ADU permits. Local planners now educate residents that allowing a duplex or corner-townhouse might actually preserve neighborhood charm while meeting people’s needs. They point out that adding just one or two homes on a block is a subtle shift, not a high-rise takeover.
Still, there is resistance. Some homeowner groups fear that more units mean more traffic, strain on schools, or a loss of character. Planning experts counter that most ADU households own fewer cars than average, and that small rentals often house seniors or workers who already live locally. Studies and local experience suggest property values generally rise, not fall, when compact multi-family homes are added. In short, changing zoning is a balance of concerns – but many advocates say New Jersey must evolve its rules if it hopes to close the housing gap (and avoid lawsuits under the Mount Laurel affordable-housing mandates).
HOTSPOTS OF MULTI-FAMILY DEVELOPMENT
Not surprisingly, the biggest growth in multi-family housing has come in areas where demand, transit or redevelopment opportunities converge. Transit-oriented towns and cities have seen numerous projects underway or planned. For example, in Morris County, Morristown alone led the county in 2024 with over 315 new multifamily units proposed as developers responded to state affordable-housing obligations. In neighboring Bergen County, a major new project was recently announced in Paramus: Russo Development is planning a 426-unit apartment community there. Bergen County as a whole had only 22.1% of its housing in multi-family buildings (reflecting its mostly suburban character), but that is changing with large new complexes.
In urban areas like Newark and Jersey City (Essex/Hudson counties), multi-family already dominates the stock, and new towers continue. A January 2025 industry report notes that Northern New Jersey (including NYC suburbs) has been the most active multifamily market in the Northeast for the past eight years, with roughly 10,000 new apartment units opening annually. In smaller cities, older industrial or commercial sites are turning into housing. For example, in Red Bank (Monmouth County) a redeveloper is moving forward on a mixed-use plan with 212 new apartments (including 32 affordable units) on a former office site.
Even traditionally suburban boroughs are seeing multi-family infill. In Camden City (Camden County), the Michaels Organization broke ground on a new affordable-townhouse project called Ablett Village: Phase III-A will add 78 energy-efficient townhomes in the Cramer Hill neighborhood. These projects signal that builders expect strong demand: Camden’s mayor highlighted this “positive change” as improving quality of life for residents by expanding homeownership options.
In short, multi-family growth in New Jersey in 2024–25 has clustered in high-demand municipalities (often with good transit links) and in cities with redevelopment sites. The examples above – Paramus, Morristown, Red Bank, Camden, Newark, Jersey City and similar places – account for a large share of new permits. At the same time, even more suburban markets (especially near mass transit or highways) are adjusting their master plans and zoning to accommodate cluster housing. As one planning official observed, towns with rail or highway access “experienced the most significant growth” in new multifamily applications.
IMPACT ON AFFORDABILITY, DENSITY, AND QUALITY OF LIFE
The rise in multi-family housing has mixed effects on affordability and community. On the plus side, adding more units helps ease the housing shortage in areas that desperately need it. By its nature, multi-family housing increases community density, which can support more transit service, shops and amenities. Residents may benefit from more walkable neighborhoods and a larger local population to patronize schools and businesses. The NJ Transit planning guide argues that gentle infill “addresses the affordability gap” by expanding choices for modest-income households. For owners, building a duplex or ADU often makes the difference between being priced out of a neighborhood and finding a home nearby.
However, higher density can bring concerns. Some neighbors worry that new apartments will crowd streets and strain infrastructure. Others fear the character of their block will change. In practice, New Jersey experience suggests these effects can be managed. Many ADUs are in backyards or above garages and blend architecturally with existing homes. Studies cited in the NJ Future blog find that most ADU residents own less than one car, so parking impacts are modest. Moreover, developers and planners often include parking, play areas and other amenities in townhouse or small-apartment projects to minimize congestion.
The effect on housing prices is also complicated. In high-demand areas, adding units may slightly temper rapid price growth, but in many New Jersey markets prices remain high. For example, Morris County’s new home prices are sky-high – the median price of a new detached home was about $993,000 in 2024. Even if a new multi-family building rents for a premium near transit, many buyers still look at the total cost and affordability. In lower-priced markets like Camden, new townhouses may open at much more affordable rates, improving access for local families. In any case, research indicates that the presence of small multi-family homes tends to raise, not lower, neighboring property values. This is because owners can diversify their property use (for example, by renting to reduce costs), and because gentle density often brings infrastructure improvements.
Ultimately, the trend toward more multi-family housing is an effort to balance density and livability. Properly planned, it can create stronger communities without the extreme sprawl of all-single-family development. If done thoughtfully (as NJ planners advise), modest infill like duplexes and townhomes can coexist with existing neighborhoods, preserving character while offering new housing options.
WHAT HOMEOWNERS SHOULD CONSIDER
Homeowners considering a move into a multi-family property – or adding one on their own land – should weigh both opportunities and responsibilities. Here are some key points:
- Check Local Zoning and Permits. Not every town allows duplexes or ADUs yet. Before buying a multi-family home, or planning an addition, verify the rules. New Jersey is loosening restrictions in many places, but always confirm what your municipality permits. If you’re buying a single-family house in a town that now allows ADUs, you might have a future chance to build an extra unit.
- Financial Benefits vs. Duties. Owning a multi-family home can be a great financial advantage. Renting out one unit can help cover your mortgage, and an ADU can increase your overall property value. Tax benefits (like deducting mortgage interest for the rental portion) may apply. On the flip side, being a landlord or sharing walls with tenants means more management. You may have to handle maintenance or hire a property manager. Make sure you are comfortable with leasing, tenant screening and the extra rules that come with multi-unit ownership.
- Community and Lifestyle. Living in or near a multi-family building means more neighbors nearby. This can make a street feel more vibrant and social, but it can also mean less privacy and more noise. Consider whether you want a quieter, more suburban lifestyle (more common in single-family areas) versus a bustling, urban vibe. If a proposed multi-family development is in your neighborhood, attend planning hearings to voice concerns or learn what safeguards (like landscaped buffers) will be in place.
- Parking and Traffic. Multi-family units bring more people to one block. Check parking availability and local traffic. (Research suggests ADU households tend to have fewer cars, often because they are seniors or workers who commute by transit.) Still, ask about parking plans for new complexes. If you live next to a proposed project, see if it includes off-street parking or shared lots.
- Future Resale. When you sell a multi-family property, it can attract both owner-occupants (who will live in one unit and rent the others) and investors. This means a wider pool of buyers, which can be good for price. Neighborhoods that wisely accommodate gentle density often see steady demand because they offer different housing types in one community.
- Long-Term Plans. If you build an ADU or move into a duplex, think about long-term use. Many homeowners use extra units for aging parents, live-in caregivers, or young adult children. Incomes from a rental can also fund home improvements or retirement. Planning for these scenarios now can maximize the benefit.
In general, moving into or near multi-family homes requires thinking like a small landlord and community member. But with proper planning, it can provide a rewarding lifestyle and financial lift. As one ADU advocate put it, these “small, flexible homes help neighborhoods become more inclusive and vibrant” without sacrificing what residents cherish.
MULTI-FAMILY TRENDS IN SELECTED NEW JERSEY MARKETS
| Location | % Multi-family Housing | % Single-family Housing | Recent Multi-Unit Growth (2024–25) | Price Trends |
| Northern New Jersey (Hudson/Essex) | Majority multi-family (e.g. Newark 80%+) | Minority single-family | ~10,000 new apartments/year in N. NJ | Very high (close to NYC prices) |
| Bergen County (Paramus) | 22.1% multi-family | 77.9% single-family | 426 units at Paramus Town Center | High (~$900k median homes) |
| Morris County (Morristown) | ~80% single-family | ~20% multi-family (rough) | 923 proposed countywide(315 in Morristown | Very high (new homes ~$993k) |
| Camden City (Ablett Village) | Predominantly multi-family | Small fraction single-family | 78 new townhomes in Cramer Hill | Lower (targeted to low/ moderate income) |
| Monmouth County (Red Bank) | Mix (downtown denser, outlying SF) | Most single-family outskirts | 212-unit mixed-use project approved | Moderate (below Bergen/Morris) |
2026 AND BEYOND: RETHINKING HOME IN THE GARDEN STATE
As New Jersey moves toward 2026, the trend toward multi-family housing seems poised to continue. State officials have signaled more changes: Governor Murphy’s housing plan suggests that cutting red tape in zoning and permitting could add “thousands” of new homes statewide. If town and state reforms take hold, even more duplexes, townhouses and ADUs will likely appear on the market. Major developers note that demand for apartments from people priced out of New York City remains strong, and they expect Northern New Jersey to stay a hotspot.
For homeowners and buyers, this means one thing: housing stock is diversifying. In 2026, you’ll probably see more multi-family construction near transit and in center cities, and even some suburban towns may allow more of it under new rules. If you’re considering a move, keep an eye on local zoning changes and proposed projects. A home with an extra unit, or a neighborhood adding townhomes, might be the key to finding a place that fits your budget and lifestyle. The era of strictly one-home neighborhoods is gradually giving way to gentle density, offering New Jersey residents more choices and helping address the state’s housing crunch.
For personalized assistance and expert insights, contact Alexander Proskurov at (732) 580-2120 or email alexpr@newjerseyresidence.com.
This is not intended as a solicitation if your property is already listed with another brokerage.
