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Assisted living · California · Private pay

Assisted living in Diamond Bar, CA

Quick answer

Diamond Bar, California has 14 licensed residential care facilities for the elderly (RCFEs, California's term for assisted living), according to California CDSS facility data updated October 20, 2026. CareScout's 2025 median cost of assisted living in California is $7,000 a month. Medicare doesn't pay for assisted living.

Sources: California CDSS Community Care Licensing facility layer (CDSS ArcGIS feature service CDSS_CCL_Facilities), residential care facilities for the elderly (RCFE) with licensed status (data date ) · CareScout Cost of Care Survey 2025 · Page updated

Assisted living runs about $7,000 a month in California (CareScout Cost of Care Survey 2025 median; more costs)

How this list is ordered: alphabetically by name. We have no quality score for these providers, so we don't rank them. The order of our lists can't be bought. Every provider in a list is placed by the same rule, and paying never adds anyone to a list, moves anyone up or down, or removes anyone. License details are shown exactly as California CDSS publishes them. Source: California Department of Social Services, Community Care Licensing Division, facility data from the CDSS ArcGIS feature service (CDSS_CCL_Facilities); city names and first-license dates from the CDSS RCFE file on the CalHHS Open Data Portal (data.chhs.ca.gov); data date shown above. Modified by HomeCareFinder (filtered to licensed facilities and reformatted); this is not official government data. Neither this page nor HomeCareFinder is endorsed by the State of California or any state agency. Methodology · How we make money

Licensed providers, A–Z

California licenses assisted living as residential care facilities for the elderly (RCFEs), from six-bed homes to large communities. Listed: facilities CDSS shows as licensed in its facility data updated October 20, 2026. Check inspection reports and citations on CDSS Care Facility Search.

  1. A Beloved Home of Diamond Bar

    Residential care facility for the elderly (RCFE)
    454 S Rock River Rd, Diamond Bar, CA 91765(626) 899-6999

    6 licensed beds · Licensed since 2022 · CDSS facility no. 198603604 · Verify on CDSS

  2. Acacia Guest Home

    Residential care facility for the elderly (RCFE)
    1847 Acacia Hill Road, Diamond Bar, CA 91765(909) 895-7807

    6 licensed beds · Licensed since 2021 · CDSS facility no. 198603404 · Verify on CDSS

  3. Diamond Bar Rcfe

    Residential care facility for the elderly (RCFE)
    1652 Maple Hill Road, Diamond Bar, CA 91765(909) 861-7430

    6 licensed beds · CDSS facility no. 198603903 · Verify on CDSS

  4. Happy Home Care for Elderly

    Residential care facility for the elderly (RCFE)
    23801 Sapphire Canyon Rd, Diamond Bar, CA 91765(909) 217-2011

    6 licensed beds · Licensed since 2017 · CDSS facility no. 198602403 · Verify on CDSS

  5. Hope Home Care for Elderly

    Residential care facility for the elderly (RCFE)
    23916 Highland Valley Rd, Diamond Bar, CA 91765(909) 217-2011

    6 licensed beds · Licensed since 2019 · CDSS facility no. 198603169 · Verify on CDSS

  6. Kathleen Care Home

    Residential care facility for the elderly (RCFE)
    1531 Kiowa Crest Drive, Diamond Bar, CA 91765(909) 860-8288

    6 licensed beds · Licensed since 2007 · CDSS facility no. 197606887 · Verify on CDSS

  7. Lejenz Home Care

    Residential care facility for the elderly (RCFE)
    384 S Rock River Rd, Diamond Bar, CA 91765(909) 895-7199

    6 licensed beds · Licensed since 2019 · CDSS facility no. 198603140 · Verify on CDSS

  8. Lejenz Home Care II

    Residential care facility for the elderly (RCFE)
    503 Dole Court, Diamond Bar, CA 91765(909) 895-7680

    6 licensed beds · Licensed since 2020 · CDSS facility no. 198603290 · Verify on CDSS

  9. Love Home Care for Elderly

    Residential care facility for the elderly (RCFE)
    22935 Happy Hollow Rd, Diamond Bar, CA 91765(909) 217-2011

    6 licensed beds · Licensed since 2022 · CDSS facility no. 198603596 · Verify on CDSS

  10. Mountain View Cottages - I

    Residential care facility for the elderly (RCFE)
    1147 Cleghorn Dr., Diamond Bar, CA 91765(909) 861-8508

    6 licensed beds · Licensed since 2004 · CDSS facility no. 198204377 · Verify on CDSS

  11. Mountain View Cottages - V

    Residential care facility for the elderly (RCFE)
    1738 Maple Hill Road, Diamond Bar, CA 91765(909) 860-7534

    6 licensed beds · Licensed since 2005 · CDSS facility no. 198204371 · Verify on CDSS

  12. Mountain View Cottages -Ii

    Residential care facility for the elderly (RCFE)
    1000 Park Spring Lane, Diamond Bar, CA 91765(909) 860-6558

    6 licensed beds · Licensed since 2004 · CDSS facility no. 198204372 · Verify on CDSS

  13. Silver Rain Home Care

    Residential care facility for the elderly (RCFE)
    1707 Silver Rain Dr., Diamond Bar, CA 91765(909) 861-3438

    6 licensed beds · Licensed since 2001 · CDSS facility no. 197803538 · Verify on CDSS

  14. Summit View Home Care

    Residential care facility for the elderly (RCFE)
    107 Clearview Crest Dr, Diamond Bar, CA 91765(909) 396-7839

    6 licensed beds · Licensed since 2020 · CDSS facility no. 198603302 · Verify on CDSS

Common questions

How many licensed assisted living facilities are in Diamond Bar, California?

14 residential care facilities for the elderly (RCFEs) with a licensed status and an address in Diamond Bar appear in California CDSS data dated October 20, 2026.

How much does assisted living cost in California?

CareScout's 2025 median for assisted living in California is $7,000 a month (private one-bedroom), versus $6,200 nationally.

Does Medicare pay for assisted living?

No. Medicare doesn't pay for long-term care in assisted living. In California, Medi-Cal's Assisted Living Waiver can pay for services in some RCFEs for people who qualify.

Can providers pay to change this list?

No. Every licensed provider is listed free, in alphabetical order. The order of our lists can't be bought. Every provider in a list is placed by the same rule, and paying never adds anyone to a list, moves anyone up or down, or removes anyone.

Related

Quick facts: 14 licensed assisted living facilities in Diamond Bar, CA (California CDSS data dated October 20, 2026); listed A–Z, never ranked for money; California assisted living median $7,000/month (CareScout 2025).