Local supply and market context for residential assisted living in Sammamish.
Updated July 2026
Sammamish, WA has 12 licensed assisted living homes (82 beds, averaging 6.8 per home). It sits in King County, a strong RAL market scoring 7.4/10, with 129,465 seniors 75+ growing 13.8%.
Licensed homes
12
Sammamish
Licensed beds
82
total
Avg home size
6.8 beds
per home
County opportunity
7.4/10
Strong
The Sammamish assisted living market
Sammamish has 12 licensed assisted living homes totaling 82 beds — an average of 6.8 beds per home, skewing toward small residential (RAL-style) homes. As part of King County, it draws on a 75+ population of 129,465 growing 13.8%, with a senior median income of $76,893. See the full King County market or all Washington top markets.
Frequently asked questions
How many assisted living homes are in Sammamish, WA?
Sammamish has 12 licensed assisted living homes with about 82 total beds.
Is Sammamish a good place to open an assisted living home?
Sammamish is in King County, which scores 7.4/10 (Strong) on RAL Market Scout; its 75+ population is growing 13.8%. Current local supply is 12 homes.
What county is Sammamish in?
Sammamish is in King County, Washington.
Evaluate a Sammamish site
RAL Market Scout builds a full demand-and-supply report for any specific address in Sammamish.
Sources: Home and bed counts from the Washington licensing roster (RAL Market Scout pipeline). County demand, growth, and income from U.S. Census ACS. Snapshot: 2026-07. Informational only — not legal, financial, or investment advice.