The brochure language is nearly identical wherever you go. Secured courtyard. Trained staff. Person-centered care. A daughter touring three buildings in three different states would hear the same phrases in the same warm tone, and she would have no way of knowing that behind those phrases sit legal requirements that barely resemble one another. A study published on 16 July 2026 in Frontiers in Dementia set out to measure exactly that gap, and what it found was not a standard with regional flavors. It was ten separate rulebooks.
The team, led by Margaret Manchester with colleagues at Georgia State University's School of Public Health, Georgia Health Policy Center and College of Law, did what lawyers call legal mapping: they pulled the actual regulatory text governing assisted living facilities in California, Missouri, Minnesota, Indiana, Kentucky, New Mexico, Virginia, Texas, Georgia and Connecticut, 15 separate titles in all, and scored each state against the Alzheimer's Association's Dementia Care Practice Recommendations, treating that model as the benchmark. The model breaks into nine recommendations containing 56 individual criteria, and each criterion a state's rules described, matched or otherwise captured earned a point. The result was a scorecard of what states require on paper, not a survey of what any building actually does. That distinction matters, and the authors are careful about it.
The pattern that emerged is telling in its shape. States were strongest where regulation is easiest to write and inspect: the physical building. Alignment with the Supportive and Therapeutic Environment recommendation averaged 84 percent across the ten states. Information, education and support for families averaged 74 percent, and ongoing care 70 percent. Where states fell away was in the harder, more human territory. Person-Centered Care averaged 55 percent, Detection and Diagnosis 51 percent, and Medical Management 50 percent, the weakest of the nine. California, Missouri and Minnesota sat at the top of the overall rankings; Texas, Georgia and Connecticut at the bottom. Put plainly, the rules across these states are considerably better at specifying a locked door and a handrail than at specifying how a resident's changing cognition gets noticed, assessed and treated.
One finding will land hardest with families. Every single one of the ten states' regulations permitted facilities to hire non-certified staff for direct care work, and in states with low overall alignment, the authors note that the training topics required of those non-certified aides are where the thinnest requirements cluster. This is not a rogue practice; it is what the law allows. The broader national picture from other researchers matches: Paula Carder and colleagues, reporting in Innovation in Aging in December 2024, found 43 states require some dementia training for direct care workers, but only 23 states and 34 license types actually specify how many hours, and those specified hours ranged from 2 to 75 in a worker's first year, averaging 15.7. Two hours and 75 hours are both called training.
The structural reason sits underneath all of it, and it is the reason this story belongs in a policy section rather than a clinical one. Nursing homes are federally regulated; assisted living is not. The Frontiers authors conclude that the inconsistencies they mapped underscore the absence of a standardized enforcement mechanism across assisted living systems, which operate under decentralized state oversight. There is no national floor, no single inspector, no common definition of what the phrase "memory care" obliges a provider to deliver. The scale is not small: a separate 2026 analysis in the same journal, drawing on 2023 data, counted 249 assisted living license types across all states governing 35,602 assisted living communities. Carder's group estimates roughly half of assisted living residents live with Alzheimer's disease or a related dementia.
For a family in the middle of a decision, the practical translation is uncomfortable but useful. The word on the door is marketing; the rulebook is state law; and the two are not connected by anything you can assume. The same research team reported in an Alzheimer's Association conference abstract in December 2025 that day-shift staffing requirements alone varied enormously across a six-state sample, with California specifying a 1:10 direct care ratio, Virginia 4:40, and Wisconsin requiring only that one direct care staff member be present. None of that tells a family which building is good. It tells them what the state has promised to require, which is a different and smaller thing, and worth knowing before signing.