Local supply and market context for residential assisted living in San Marcos.
Updated July 2026
San Marcos, CA has 21 licensed assisted living homes (702 beds, averaging 33.4 per home). It sits in San Diego County, a moderate RAL market scoring 6.7/10, with 209,754 seniors 75+ growing 9.0%.
Licensed homes
21
San Marcos
Licensed beds
702
total
Avg home size
33.4 beds
per home
County opportunity
6.7/10
Moderate
The San Marcos assisted living market
San Marcos has 21 licensed assisted living homes totaling 702 beds — an average of 33.4 beds per home, skewing toward larger communities. As part of San Diego County, it draws on a 75+ population of 209,754 growing 9.0%, with a senior median income of $78,324. See the full San Diego County market or all California top markets.
Frequently asked questions
How many assisted living homes are in San Marcos, CA?
San Marcos has 21 licensed assisted living homes with about 702 total beds.
Is San Marcos a good place to open an assisted living home?
San Marcos is in San Diego County, which scores 6.7/10 (Moderate) on RAL Market Scout; its 75+ population is growing 9.0%. Current local supply is 21 homes.
What county is San Marcos in?
San Marcos is in San Diego County, California.
Evaluate a San Marcos site
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Sources: Home and bed counts from the California 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.