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Converting a bathtub to a walk-in shower costs between $1,200 and $8,000. This wide range reflects the difference between installing a basic prefabricated unit versus creating a custom-tiled shower. Your final price depends on whether you need to relocate plumbing, the quality of fixtures you select, and if any unexpected issues arise during demolition of the existing tub.

Walk-in showers designed for accessibility fall within the standard price range of $6,000 to $12,000, though they often trend toward the higher end due to specialized features. Adding accessibility elements like a curbless shower pan ($2,500), grab bars ($100 to $500), and non-slip flooring increases functionality for those with mobility concerns. These modifications enhance safety while maintaining an attractive appearance.

Medicare generally doesn't cover walk-in shower installations since they're classified as home modifications rather than durable medical equipment. However, if your doctor documents the shower as medically necessary, some Medicare Advantage plans might provide partial coverage. 

Alternative funding sources include Medicaid Home and Community-Based Services waivers, veterans' benefits programs, and specialized home modification grants for seniors or individuals with disabilities.

Converting a tub to a walk-in shower takes between one and three days for a basic prefabricated unit. Custom tile installations require significantly more time—often five to seven days or longer—due to the multiple phases involved: demolition, plumbing rough-in, waterproofing, tile installation, grout application, and fixture mounting. 

Factors that can extend this timeline include backordered materials, complex designs, or discovering hidden damage during demolition.