The CDC describes aging in place as the ability to live in one's own home and community safely, independently, and comfortably, regardless of age, income, or ability level. For most of your clients over 50, it is not an abstraction. It is the plan. The problem is that almost none of them have examined whether their house, their finances, or their town can actually deliver it, and the professional most likely to be standing in their living room when that question surfaces is a REALTOR®.
The Short Version
AARP's 2024 Home and Community Preferences Survey found that 75 percent of adults 50 and older want to remain in their current homes as they age, and 73 percent want to stay in their communities. Yet Harvard's Joint Center for Housing Studies reports that fewer than 4 percent of U.S. homes offer the three basic accessibility features that make that possible, and facility-based alternatives now run from roughly $70,800 a year for assisted living to $127,750 for a private nursing home room at the national median. For REALTORS®, that gap between what clients want and what the housing stock provides is not a social observation. It is the defining business opportunity of the next decade, and ADUs, home modification, and informed guidance sit at the center of it.
The Demographics Are Not a Forecast Anymore
The aging of America has stopped being a projection and started being a market condition. Census Bureau estimates put the 65 and older population at 61.2 million in 2024, 18 percent of the country, up from 12.4 percent two decades earlier. Older adults already outnumber children in 11 states and nearly half of U.S. counties. By 2034, the Census Bureau projects they will outnumber children nationwide for the first time in American history: 77 million people 65 and older against 76.5 million under 18.
Harvard's Joint Center for Housing Studies adds the detail that matters most for housing: the 65 and over population grew 34 percent in a single decade, from 43 million in 2012 to 58 million in 2022, and the fastest growth in the coming decade will be among people over 80, the ages when accessible housing and in-home support stop being optional.
What Clients Actually Want
AARP has been asking Americans where they want to grow old for more than a decade, and the answer barely moves. In the 2024 Home and Community Preferences Survey, 75 percent of adults 50 and older said they want to remain in their current home as they age, and 73 percent want to remain in their community. Nearly three quarters are actively making plans to stay in their community, most of them in the home they already own.
The same survey shows the anxiety underneath the preference. Forty four percent of adults 50 and older expect they will have to relocate at some point, and the reasons they cite are overwhelmingly financial: rising rent or mortgage costs, property maintenance, and taxes. Over half say they will need a home that supports independent aging, and large majorities anticipate specific modifications: grab bars, entryway improvements, kitchen upgrades. One more finding should get every agent's attention: 72 percent of adults 50 and older said having trustworthy, high quality contractors available in their community is extremely important. Your older clients are not just asking what their home is worth. They are asking who they can trust to change it.
The Housing Stock Was Built for a Different Country
Here is the collision. The people are aging, and the houses are not cooperating. Harvard JCHS analysis found that fewer than 4 percent of U.S. homes offer all three foundational accessibility features at once: single floor living, a no-step entry, and hallways and doorways wide enough for a wheelchair. Older adults report more difficulty entering, navigating, and using their homes than any other age group. On the South Shore, where so much of the stock is multi-story colonials and capes on septic, the mismatch is arguably worse than the national picture.
Affordability compounds the problem. JCHS reported an all time high of roughly 11.2 million older adults spending more than 30 percent of their income on housing in 2021. When long term care costs are stacked on top of housing costs, the Center found that only 14 percent of single adults 75 and older could afford a daily home health aide visit in addition to their housing. Wanting to age in place and being financially and physically able to are two different things, and the distance between them is where families need professional guidance.
The Economics: What the Alternatives Cost
The 2024 Genworth and CareScout Cost of Care Survey puts national median annual costs at $77,792 for a home health aide, $70,800 for an assisted living community (up 10 percent in a single year), $111,325 for a semi-private nursing home room, and $127,750 for a private room (up 9 percent). Massachusetts consistently runs above national medians, and every category outpaced general inflation.
Set those numbers next to a home modification budget or an ADU project and the family math changes. A one time investment in a home that supports independent living, or in a dwelling that puts a parent next door to family caregivers, competes against a recurring six figure annual expense that rises faster than inflation. This is not an argument that facility care is never the right answer. Sometimes it is the only safe answer. It is an argument that families deserve to see the comparison before circumstances make the choice for them, and most never do.
Where ADUs Fit
Accessory dwelling units are one of the few tools that address the preference, the housing stock, and the economics at the same time: a new, single level, purpose built dwelling on family land, next to the people most likely to provide care. The demand signal is already in the research. In AARP's 2021 survey, 60 percent of adults said they would consider living in an ADU, and 62 percent would consider building one for a loved one who needed care or a home. The leading reasons adults 50 and older gave for living in one: being near someone while keeping their own space, and having support with daily activities.
Massachusetts has removed the biggest historical barrier. Under the Affordable Homes Act of 2024, one ADU up to 900 square feet is allowed by right on single family lots statewide, without a special permit and without an owner occupancy requirement. Local rules on septic capacity, dimensional details, and short term rentals still vary town by town, which is exactly why homeowners need guidance that starts local.
What This Means for Your Practice
The research points to a specific set of moves for agents who want to own this conversation rather than watch it happen around them.
Ask the aging plan question. Most clients over 50 have a preference (stay) and no plan. A simple listing or buyer consultation question, "how long do you see yourself in this home, and what would it need to keep working for you?", opens a conversation almost no other agent is having, and it applies to buyers too: a 55 year old buying their last house should be evaluating first floor living, entry conditions, and ADU potential now, not at 80.
Learn to read a property for aging in place. Single floor living or the ability to create it, entry steps, bathroom locations, hallway widths, lot and septic capacity for an ADU. These are observable facts that change what a property is worth to an aging buyer or a multigenerational family, and they are the difference between an agent who quotes comps and one who advises.
Build the referral bench before you need it. The AARP finding on trustworthy contractors is the assignment: your older clients want vetted professionals, and they will attach that trust to whoever supplies the introductions. That bench includes remodelers experienced in accessibility work, elder law attorneys, lenders familiar with renovation and ADU financing, and care planning resources. Connecting families to that bench, in the right order, is exactly the role The ADU Exchange exists to support.
Treat ADU knowledge as inventory knowledge. In a by-right state, ADU potential is now a latent feature of nearly every single family listing. Agents who can speak to it accurately, including its limits, will win the aging homeowner, the caregiving family, and the multigenerational buyer that the demographics are producing in growing numbers every year.
One caution, stated as plainly as the opportunity: aging in place conversations touch health, finances, and family dynamics. Agents advise on real estate. Everything beyond it, care decisions, benefit eligibility, legal structures, belongs with licensed professionals, and the strongest position an agent can take is knowing exactly where that line is and who to hand the client to on the other side of it.
Sources
- AARP, 2024 Home and Community Preferences Survey and related releases: aarp.org/pri/topics/livable-communities/housing/2024-home-community-preferences/
- AARP, 2021 Home and Community Preferences Survey (ADU findings): aarp.org/home-living/home-and-community-preferences-survey-2021/
- U.S. Census Bureau, Vintage 2024 Population Estimates (June 2025) and 2017 National Population Projections: census.gov/newsroom/press-releases/2025/older-adults-outnumber-children.html
- Harvard Joint Center for Housing Studies, Housing America's Older Adults 2023: jchs.harvard.edu
- Genworth and CareScout, 2024 Cost of Care Survey: genworth.com and carescout.com
- Commonwealth of Massachusetts, Affordable Homes Act of 2024 ADU provisions: mass.gov
Disclaimer: The ADU Exchange is an education and connection platform. We do not build, permit, or construct ADUs, and we are not attorneys, financial advisors, or care providers. This article is educational only. Statistics are drawn from the independent published sources listed above, are accurate as of their publication dates, and are subject to revision by those organizations; The ADU Exchange is not affiliated with or endorsed by AARP, Harvard University, the U.S. Census Bureau, Genworth, or CareScout. Costs, regulations, and program rules vary by location and change over time. Clients should consult licensed attorneys, lenders, medical professionals, and their municipality for decisions specific to their situation. This article is published as part of the South Shore Home Options Campaign in collaboration with South Shore REALTORS®.