Mountlake Terrace has 55 licensed adult family homes with 319 licensed beds, according to Washington State DSHS records. 54 accept Medicaid, 55 carry the dementia specialty designation, 55 carry the mental health designation, and 34 serve developmental disabilities. 2 are licensed for more than six residents.
Records current as of September 14, 2026.
These homes hold a Specialized Behavior Support contract with DSHS, which covers residents whose behavioral needs require additional staff training and planning.
All 55 · Specialized Behavior Support · developmental disabilities · Expanded Community Services · private pay only · more than six residents
22406 40th Pl W, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 754580
22804 66th Ave W, Mountlake Terrace, WA 98043 — licensed for 8
Mental Health · Dementia — accepts Medicaid
DSHS license 753910
4003 227th Pl Sw, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 756424
5805 218th Pl Sw, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 754690
23105 53rd Ave W, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 753154
21905 55th Ave W, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 751446
23108 54th Ave W, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 753992
22804 41st Pl W, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 751790
5501 215th St Sw, Mountlake Terrace, WA 98043 — licensed for 8
Mental Health · Dementia — accepts Medicaid
DSHS license 751421
21823 58th Ave W, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 754086
23810 59th Pl W, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 752653
22203 67th Pl W, Mountlake Terrace, WA 98043 — licensed for 5
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 753159
21303 59th Pl W, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia — accepts Medicaid
DSHS license 756481
21821 58th Ave W, Mountlake Terrace, WA 98043 — licensed for 6
Mental Health · Dementia · Developmental Disabilities — accepts Medicaid
DSHS license 751405
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.