Aging-in-Place Modification Calculator

The regional cost multiplier is a shared factor in all six category costs -- bathroom, kitchen, entry, flooring, stairway, and technology -- so a change to it rescales every category at once. That's not because multiplication has any special leverage when applied "last" (multiplying each category before summing or multiplying the sum afterward gives the identical total, since multiplication distributes over addition); it's because regionIndex is common to every line item, while upgrading a single category -- say, bathroom from grab bars to a full remodel -- only changes that one line item. A high-cost metro area (1.5x) versus a low-cost region (0.7x) more than doubles the total for an identical scope of work, a larger swing than most single-category upgrades produce -- the one exception is the stairway category's own top end, the $35,000 home elevator, which is large enough in absolute dollars to outweigh even a full swing of the regional multiplier on its own.

A home elevator is priced at $35,000 before regional and home-age adjustments, typically the single largest line item in the entire project -- more than the full accessible bathroom remodel ($25,000) and often larger than every other category combined. Most households facing a stairway safety concern start with the $600 improved-railings option or the $4,500 stair lift rather than an elevator, since the elevator's cost reflects a structural home addition rather than a hardware installation.

Yes -- the technology level is the only modification category this calculator carries into its annual ongoing cost figure, since medical alert subscriptions and smart-home service fees recur monthly while bathroom, kitchen, entry, flooring, and stairway work are one-time capital costs. The model adds roughly half of the technology category's monthly-equivalent cost to the annual ongoing total, plus flat maintenance allowances if bathroom or stairway modifications were made.

That depends heavily on scope: a modest project (grab bars, handrails, trip-hazard removal, a medical alert) commonly totals a few thousand dollars, equivalent to well under a month of assisted living at the $5,900 national median, while a full accessible remodel across every category can equal several months. The comparison is meant to frame the decision, not settle it -- aging in place avoids the non-refundable move and social disruption of a facility transition, but it doesn't include 24-hour supervision.