Key points
- There is no test or single moment. The Alzheimer's Association says that during the middle stages of Alzheimer's, 24-hour supervision becomes necessary to keep the person safe.
- Safety signs include wandering, getting lost, leaving the stove or water on, and being up and restless at night.
- The caregiver's own health and limits are part of the decision, not a side issue.
- A dementia diagnosis alone does not mean a secured memory care unit. California says admission should be based on the person's needs.
- Start with the doctor, write down what is happening, and tour before there is a crisis.
When does a person with dementia need memory care?
No doctor's test gives a date. What changes is how much supervision the person needs and whether the people around them can still provide it. The Alzheimer's Association says there may come a time when a person living with dementia needs more care than can be provided at home, and that during the middle stages of Alzheimer's it becomes necessary to provide 24-hour supervision to keep the person safe.
The National Institute on Aging puts it the same way: there may come a time when you can no longer care for a person with Alzheimer's at home, and many caregivers reach this point. It adds that help at home may meet a family's needs in some cases but may not be enough for some care situations.
The same question comes up for a person already in assisted living, when staff can no longer keep up with the supervision the person needs. Our guide to the stages of dementia explains what tends to change and when.
Safety signs that it may be time
Only a doctor can diagnose dementia or say how far it has progressed. Families notice the day-to-day changes. Drawn from the National Institute on Aging and the Alzheimer's Association, these can be signs that the current arrangement is no longer safe enough:
- Wandering or getting lost. The Alzheimer's Association says six in 10 people living with dementia will wander at least once, and many do so repeatedly.
- Coming back from a regular walk or drive later than usual, or forgetting how to get to familiar places.
- Trying to "go home" when already at home, or pacing and restlessness, often late in the day.
- Forgetting to turn off the oven or a faucet, or no longer knowing how to use the phone in an emergency.
- Sleeping during the day and being up and restless at night, when no one is awake to help.
- Falls or near falls. The National Institute on Aging says people with Alzheimer's are at greater risk of falling because depth perception often changes.
Care signs: when needs outgrow the help available
The second set of signs is about care, and about the person giving it. The Alzheimer's Association suggests asking yourself a short list of questions when deciding whether a move to residential care is a good option. In plain terms: is the person no longer safe in the current home? Is their health, or yours, at risk? Are the care needs beyond your physical abilities? Are you becoming a stressed, irritable and impatient caregiver? Are work, family and your own health sliding? Would the structure and company of a care setting be good for the person?
A yes to several of those is information, not failure. The Alzheimer's Association notes that feeling guilty about a move is common, and that families who have been through it say it is better to gather information and move forward.
If the strain is the main problem and safety is still manageable, more help at home or a short respite stay may buy time. Dementia care at home vs. memory care compares the two.
Does a dementia diagnosis mean memory care?
No. California has no rule that sends a person to memory care because of a diagnosis. In its 2025 questions and answers on the state's updated dementia care regulations, the California Department of Social Services says a prospective resident does not need to be admitted to a home with a secured environment based solely on a diagnosis of dementia. Admission to any licensed home should be based on the person's individual needs and whether the home can meet them.
The same document says all admissions to residential care facilities for the elderly (RCFEs), the license that covers assisted living, board and care homes and memory care, must be voluntary on the part of the resident or have the lawful consent of the resident's legal conservator. If your parent says no, see when a parent refuses assisted living.
What "memory care" adds, and what the label does not promise, is covered in what memory care means in California.
First steps if you think it is time
You do not have to decide everything this week. These steps put you in a position to decide well:
- 1
See the doctor
Describe what has changed and how fast. A sudden change deserves a prompt visit: California's dementia care regulation requires care home staff to be trained to recognize symptoms that may create or aggravate behavior changes, and it names dehydration, urinary tract infections and problems with swallowing. Ask the doctor what level of supervision your relative needs now.
- 2
Write down what is happening
Keep a short log for a week or two: wandering, falls, missed medications, nights awake, what calms and what upsets. The doctor and any home you talk to will ask for exactly this.
- 3
Be honest about the caregiver
Count the hours of supervision the person needs against the hours that people can really give. Include nights.
- 4
Visit homes before you must
The Alzheimer's Association suggests visiting several care communities, at different times of day including a meal, and considering a waiting list even if you are not ready to decide. Bring the questions to ask on a memory care tour.
- 5
Ask each home how it would assess your relative
A licensed home must appraise a person's needs before admission. Ask what it would need from the doctor, and what would make it say it cannot meet your relative's needs.
How Hamssa can help
Hamssa Benrekia is a senior living placement specialist in Torrance with a background in hospice, palliative care and home health. She works with families in the South Bay and Harbor area of Los Angeles County, talks through what you are seeing at home, and shortlists licensed homes that may fit your relative's needs and budget. She cannot tell you that a move is medically needed: that is a question for the doctor. To talk it over, see memory care placement or contact Hamssa. The full series is in the California Assisted Living Placement Guide.
Common questions
Is wandering a sign that someone needs memory care?
It is a sign to act, not an automatic answer. The Alzheimer's Association says wandering can happen at any stage of dementia and can be dangerous. Talk with the doctor, and ask whether the person can still be supervised where they live. A licensed California home with residents at risk of leaving unsupervised must have an auditory device or other staff alert on the exterior doors and gates those residents can reach.
Can my mother stay in regular assisted living with dementia?
Possibly. The California Department of Social Services says a dementia diagnosis alone does not require a secured home, and that admission should be based on individual needs and whether the home can meet them. Each home also decides what it can manage, so two licensed homes can answer differently. Ask her current home how it would handle wandering, nights and behavior changes.
Should we wait until there is a crisis?
Most families find it easier not to. Looking early gives you time to compare homes and lets your relative take part while they can. The Alzheimer's Association suggests visiting several care communities and considering a waiting list even if you are not ready to make a decision. Touring commits you to nothing, and it shows you what is available at your budget.
What if my father refuses to move to memory care?
The law starts from his consent. In California, admission to an RCFE must be voluntary on the part of the resident, or made with the lawful consent of the resident's legal conservator. Whether a person still has the capacity to decide, and what a power of attorney allows, are legal questions. An elder law attorney can explain the options for your family.
Sources
Official pages this page relies on. Rules and programs change, so check the source for the current version.
- Alzheimer's Association: Long-Term Care (when living at home is no longer an option, choosing a care setting)
- Alzheimer's Association: Wandering
- National Institute on Aging: What Are the Signs of Alzheimer's Disease?
- National Institute on Aging: Alzheimer's Caregiving: Home Safety Tips
- National Institute on Aging: Alzheimer's Caregiving: Finding Long-Term Care
- California Department of Social Services: Dementia Care in RCFEs and Miscellaneous Regulation Changes, Frequently Asked Questions, version 2.0 (August 2025)
- California Department of Social Services: Title 22, Division 6, Chapter 8, RCFE regulations, sections 87555 to 87795 (Word document, current text effective 1 January 2025; section 87705, Care of Persons with Dementia)
This guide is general information, not medical, legal or financial advice. Program rules and costs change; confirm details with the agency named in the sources.