Mercer Island has 6 licensed adult family homes with 32 licensed beds, according to Washington State DSHS records. 2 accept Medicaid, 6 carry the dementia specialty designation, 6 carry the mental health designation, and 1 serves developmental disabilities. 2 are licensed for more than six residents.
Records current as of September 14, 2026.
All 6 · developmental disabilities · Expanded Community Services · private pay only · more than six residents
3321 72nd Avenue Se, Mercer Island, WA 98040 — licensed for 6
Mental Health · Dementia — accepts Medicaid
DSHS license 753535
4224 Island Crest Way, Mercer Island, WA 98040 — licensed for 8
Mental Health · Dementia — private pay only
DSHS license 753515
9204 Se 42nd Street, Mercer Island, WA 98040 — licensed for 8
Mental Health · Dementia — private pay only
DSHS license 752660
3085 W Mercer Way, Mercer Island, WA 98040 — licensed for 2
Mental Health · Dementia · Developmental Disabilities — private pay only
DSHS license 751091
7430 92nd Pl Se, Mercer Island, WA 98040 — licensed for 3
Mental Health · Dementia — accepts Medicaid
DSHS license 230000
9747 Se 40th St, Mercer Island, WA 98040 — licensed for 5
Mental Health · Dementia — private pay only
DSHS license 103100
Licensing information is sourced from Washington State DSHS public records and was retrieved on September 14, 2026. Specialty designations reflect provider training required by the state; they are not quality ratings and are not endorsements. Verify current licensing status directly with DSHS before relying on this information. Real Property Planning is an independent educational resource and does not operate, own, or manage any adult family home.