Local supply and market context for residential assisted living in Newcastle.
Updated July 2026
Newcastle, WA has 13 licensed assisted living homes (263 beds, averaging 20.2 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
13
Newcastle
Licensed beds
263
total
Avg home size
20.2 beds
per home
County opportunity
7.4/10
Strong
The Newcastle assisted living market
Newcastle has 13 licensed assisted living homes totaling 263 beds — an average of 20.2 beds per home, a mix of small homes and larger communities. 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 Newcastle, WA?
Newcastle has 13 licensed assisted living homes with about 263 total beds.
Is Newcastle a good place to open an assisted living home?
Newcastle 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 13 homes.
What county is Newcastle in?
Newcastle is in King County, Washington.
Evaluate a Newcastle site
RAL Market Scout builds a full demand-and-supply report for any specific address in Newcastle.
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.