Assisted Living & Senior Housing in Diamond Bar, CA (2026)

Q: How does Palmelle rank these assisted living facilities?

Palmelle ranks each facility using a Clarity Score from 0 to 10, blending federal CMS inspection results and state licensing records. The same numbers regulators use.

Q: Can Palmelle help our family pick the right one?

Yes. Help Me Choose is a $199 service. We do the calling. You do the choosing. One named recommendation in 72 hours, money back if we miss the 72-hour promise.

22 licensed assisted living facilities in Diamond Bar, CA

Updated October 21, 2026

8.6Strong

BANNER RIDGE COUNTRY HOME

1006 BANNER RIDGE ROAD, DIAMOND BAR, CA 91765

Full record ›

8.2Strong

KATHLEEN CARE HOME

1531 KIOWA CREST DRIVE, DIAMOND BAR, CA 91765

Full record ›

7.5Strong

LEANING PINE, THE

1809 LEANING PINE DRIVE, DIAMOND BAR, CA 91765

Full record ›

8.2Strong

SILVER RAIN HOME CARE

1707 SILVER RAIN DR., DIAMOND BAR, CA 91765

Full record ›

6.5Solid

MOUNTAIN VIEW COTTAGES - V

1738 MAPLE HILL ROAD, DIAMOND BAR, CA 91765

Full record ›

Reading all of these is the job. We do it for you and name one.

Help Me Choose · $199

6.8Solid

MOUNTAIN VIEW COTTAGES -II

1000 PARK SPRING LANE, DIAMOND BAR, CA 91765

Full record ›

3.7Concerns

MOUNTAIN VIEW COTTAGES - I

1147 CLEGHORN DR., DIAMOND BAR, CA 91765

Full record ›

7.6Strong

HAPPY HOME CARE FOR ELDERLY

23801 SAPPHIRE CANYON RD, DIAMOND BAR, CA 91765

Full record ›

8.0Strong

LEJENZ HOME CARE

384 S ROCK RIVER RD, DIAMOND BAR, CA 91765

Full record ›

8.6Strong

HOPE HOME CARE FOR ELDERLY

23916 HIGHLAND VALLEY RD, DIAMOND BAR, CA 91765

Full record ›

8.3Strong

LEJENZ HOME CARE II

503 DOLE COURT, DIAMOND BAR, CA 91765

Full record ›

8.3Strong

SUMMIT VIEW HOME CARE

107 CLEARVIEW CREST DR, DIAMOND BAR, CA 91765

Full record ›

8.7Strong

ACACIA GUEST HOME

1847 ACACIA HILL ROAD, DIAMOND BAR, CA 91765

Full record ›

8.2Strong

LOVE HOME CARE FOR ELDERLY

22935 HAPPY HOLLOW RD, DIAMOND BAR, CA 91765

Full record ›

5.8Mixed

A BELOVED HOME OF DIAMOND BAR

454 S ROCK RIVER RD, DIAMOND BAR, CA 91765

Full record ›

8.4Strong

DIAMOND BAR RCFE

1652 MAPLE HILL ROAD, DIAMOND BAR, CA 91765

Full record ›

Not yet
scored

ABERDEEN CARE LLC DBA DIAMOND BAR RCFE

1652 MAPLE HILL RD, DIAMOND BAR, CA 91765

Full record ›

Not yet
scored

A BELOVED HOME OF DIAMOND BAR LLC

454 S ROCK RIVER RD, DIAMOND BAR, CA 91765

Full record ›

Not yet
scored

ACACIA GUEST HOME LLC

1847 ACACIA HILL RD, DIAMOND BAR, CA 91765

Full record ›

Not yet
scored

ANGELES DEL SOL ADHC, LLC

820 N DIAMOND BAR BLVD, DIAMOND BAR, CA 91765

Full record ›

Not yet
scored

AVZO LLC

23401 GOLDEN SPRINGS DR, DIAMOND BAR, CA 91765

Full record ›

Not yet
scored

ANGELES DEL SOL CBAS

820 N DIAMOND BAR BLVD, DIAMOND BAR, CA 91765

Full record ›

Not sure where to start?

We do the calling. You do the choosing.

Staying home instead? Our CAPS-certified senior home safety assessment covers fall risk, bathroom safety, transfers, walker access, lighting and thresholds, and ends in a written prioritized plan. We do not sell the construction.

Help Me Choose · $199 Senior Home Safety Assessment · $399 Home Services · From $99

The promise

You get your answer. Or your money back.

No recommendation in three business days? The $199 goes back. No forms.

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Read the story → All of Perch →

Questions families ask

California state guide · All the answers, in one place

Common questions

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

22 licensed assisted living facilities in Diamond Bar, CA, drawn from federal CMS records and state licensing data.

How does Palmelle rank these assisted living facilities?

Each facility is ranked using a Clarity Score from 0 to 10, blending federal CMS inspection results and state licensing records. The same numbers regulators use.

What is the Palmelle Clarity Score?

A 0 to 10 transparency score built from federal CMS data and state licensing records. It reflects what inspectors found. Not opinions and not advertising.

Can Palmelle help our family pick the right one?

Yes. Help Me Choose is $199. We do the calling. You do the choosing. One named recommendation in 72 hours. Money back if we miss the 72-hour promise.

Assisted Living & Senior Housing in Diamond Bar, CA.

This is what the inspectors wrote down.

BANNER RIDGE COUNTRY HOME

KATHLEEN CARE HOME

LEANING PINE, THE

SILVER RAIN HOME CARE

MOUNTAIN VIEW COTTAGES - V

MOUNTAIN VIEW COTTAGES -II

MOUNTAIN VIEW COTTAGES - I

HAPPY HOME CARE FOR ELDERLY

LEJENZ HOME CARE

HOPE HOME CARE FOR ELDERLY

LEJENZ HOME CARE II

SUMMIT VIEW HOME CARE

ACACIA GUEST HOME

LOVE HOME CARE FOR ELDERLY

A BELOVED HOME OF DIAMOND BAR

DIAMOND BAR RCFE

ABERDEEN CARE LLC DBA DIAMOND BAR RCFE

A BELOVED HOME OF DIAMOND BAR LLC

ACACIA GUEST HOME LLC

ANGELES DEL SOL ADHC, LLC

AVZO LLC

ANGELES DEL SOL CBAS

Not sure where to start?

You get your answer. Or your money back.

The Unspoken Authority: Why Your Parent Trusts Their Doctor Over You

Questions families ask

Common questions

Twenty-one options. One right answer.