For many families, the realization doesn’t arrive all at once. It builds gradually.
Maybe your parents are starting to think about what comes next. Maybe your adult children are growing their own families nearby, and the idea of maintaining two separate households is starting to feel like more work than it’s worth. Maybe there’s a caregiving need on the horizon (or already here), and the home you’ve lived in for years simply wasn’t designed with that in mind.
Selling and starting over isn’t always the answer, especially when your home is exactly where you want to be. More often, the real question is: how do we adapt what we already have?
That’s the conversation we’re having more and more often with families across Eastern Pennsylvania and Northern New Jersey. And what we’ve found is that multigenerational living is a mindset, not a single solution. It treats the home not as a fixed structure but as something that can grow and evolve alongside the people who live in it.
Multigenerational living isn’t new, but the way families are thinking about it has changed significantly. Recent census data shows that nearly one in five U.S. households now includes multiple generations under one roof, a number that has climbed steadily over the past decade.
Some families are planning ahead, thinking through what it will look like when aging parents need more support. Others are responding to an immediate caregiving need and want to do it sustainably. And for many, there’s a real financial logic to it: consolidating households can free up resources to invest in a thoughtfully designed, long-term solution rather than two properties pulling in different directions.
What connects all of these decisions is a shift in perspective. The home is no longer just where you live but a tool that can be shaped to support the people inside it, now and into the future.
At Tilghman Builders, we’ve worked with many families navigating these decisions across Bucks County, Montgomery County, and surrounding areas. Every home and every family is different, but certain approaches come up again and again. Here are the ones we see most often.
This is the most traditional arrangement: adult children own the home and create a dedicated living space within it for aging parents.
A well-designed in-law suite typically includes a bedroom, a full bathroom, and a living area, sometimes with a kitchenette or private entrance, depending on the family’s goals. When it’s done right, parents can maintain a strong sense of independence while still being close to the rest of the household.
These spaces also tend to be designed with flexibility in mind. Needs change over time, and a good in-law suite can adapt as they do.
AFTER - View the rest of the Beechnut In-Law Suite Renovation
This is one of the more interesting trends we’ve been seeing, and it’s something our CEO, Eric Tilghman, has observed firsthand in recent years.
In certain situations, the expected arrangement gets turned on its head. Instead of adult children adding a suite for their parents in their own home, the parents stay in their home, and a new space is designed specifically for them. The younger generation then moves into the main house.
We worked with one family that approached this decision from both a practical and long-term perspective. The parents owned the home, and their daughter, son-in-law, and grandchildren lived nearby. Rather than maintaining two households, the family chose to invest in a custom addition on the existing property. The younger family sold their home, and those proceeds helped fund the project.
There was also an important caregiving dimension: another adult daughter lived in the home and required lifelong support. By restructuring the living arrangement, the family created a more sustainable caregiving setup where responsibilities could be shared more naturally as part of everyday life, rather than managed from a distance.
The reverse in-law suite isn’t always the obvious starting point, but for the right family, it can be an incredibly thoughtful solution.
For some families, the decision to combine under one roof is driven less by caregiving and more by long-term practicality — financial, logistical, or both.
Merging two households into one property can make it possible to invest meaningfully in a single, well-designed home rather than splitting resources across multiple properties. In these cases, a larger addition or a significant reconfiguration allows the home to work comfortably for everyone.
Privacy often becomes a central consideration. Some families prefer clearly defined living zones within the main structure. Others explore building a detached accessory dwelling on the same property when more separation makes sense.
When this type of project is carefully planned, it can simplify daily life and create an environment where connection feels intentional rather than accidental.
Not every multigenerational living solution means adding square footage. Sometimes the priority is simply making the existing space function better.
A caregiving renovation might include step-free showers, wider doorways, grab bars, or first-floor bedroom and bathroom arrangements that support mobility and reduce fall risk. These updates are often subtle in appearance but meaningful in how they change daily life, both for the person being cared for and for the family members doing the caregiving.
For homeowners planning ahead, these types of renovations also support aging in place, allowing you to stay comfortably in your own home for years to come.
Multigenerational living projects aren’t just bigger versions of a standard addition. They require a deeper level of thinking about how the home will actually function, not just on day one, but over the course of years.
At Tilghman Builders, our process starts with helping families think beyond the initial request. What begins as “we need more space” often evolves into a broader conversation about independence, connection, privacy, and long-term livability.
Our job is to help you understand what you actually need, not just what you think you need at the start. That distinction is usually where the best projects begin.
Designing for multiple generations also means carefully balancing competing priorities. Each living area needs to feel complete on its own while contributing to a cohesive whole. Circulation, layout, and even sound separation all matter more than they might in a standard remodel.
There are also practical considerations that shape the process early. Zoning and permitting across Bucks County, Montgomery County, and surrounding areas can influence what’s possible on a given property. How a new addition integrates with an existing home, including entrances, utilities, and structural connections, all need to be addressed before a single wall goes up.
Timing matters, too. Some families are coordinating a home sale as part of the project. Others are planning around a life transition, like a parent’s health or a child’s growing family, that affects when and how construction can realistically take place.
These aren’t one-dimensional projects, which is why a thoughtful, experienced builder makes all the difference.
Every multigenerational living project begins with a series of important conversations. At Tilghman Builders, we guide families through these questions as part of our process because answering them clearly is what leads to a solution that actually works long-term.
Working through these questions together is how we move from a vague idea to a clear, confident plan.
Multigenerational living isn’t about squeezing more people into a home. It’s about creating a home that reflects how your family actually lives and how those needs will evolve over time.
For some families, that means a custom home addition for aging parents. For others, it’s a caregiving renovation that makes everyday life easier. And in some cases, it leads to a less obvious solution, like a reverse in-law suite that reimagines how the whole household is structured.
What matters most is that the solution fits your family.
At Tilghman Builders, we’ve been helping families across Eastern Pennsylvania and Northern New Jersey navigate these decisions for over 40 years. Our focus is on designing and building homes that feel as considered as they are livable, spaces where every generation has what they need to thrive.
If you’re starting to think about multigenerational living for your family, our free guide Under One Roof is a great place to begin. It walks through the key decisions, design considerations, and questions to ask, all in one place.
Or, if you’re ready to talk through your specific situation, we’d love to hear from you. Tilghman Builders works with homeowners across Bucks County, Montgomery County, Eastern Pennsylvania, and Northern New Jersey.