16 facilities with pricing in the middle of the pack for LA County. Safety scores are about average for the area.

6 beds · $5,986/mo
Best safety record in Diamond Bar. Small home, more personal attention. Offers memory care.

6 beds · $5,871/mo
Very clean inspection history. Small home, more personal attention. Offers memory care.

6 beds · $5,690/mo
Solid inspection record. Small home, more personal attention. Offers memory care.

6 beds · $5,319/mo
Solid inspection record. Small home, more personal attention. Offers memory care.

6 beds · $6,400/mo
Above-average safety. Small home, more personal attention.

6 beds · $5,788/mo · Medi-Cal
Above-average safety. Small home, more personal attention. Offers memory care.
Small residential homes, not big institutions. All 16 facilities in Diamond Bar are on the smaller side (16 homes with 6 beds or fewer). That means a more personal feel, but it also means fewer amenities like group activities or on-site medical staff. If that tradeoff matters to you, it's worth visiting a few to see the difference.
Expect to pay around $5,376/mo. That's right around the county average of $5,290/mo. Prices range from $3,800 up to $6,400 depending on the facility, room type, and level of care. 14 of 16 facilities publish pricing, which is better transparency than most areas.
Look at the safety scores before you visit. The average score in Diamond Bar is 8.1 out of 10. That's about average for LA County. Some facilities here have excellent records and others don't, so check individual scores before you visit. Our scores come from real California state inspection data, not self-reported reviews.
A few things that might narrow your search. 38% of facilities accept Medi-Cal through the ALW program, which is better than most areas. 11 facilities offer specialized memory care if that's what you need.
Start by comparing facilities on what actually matters: safety record, pricing, care types, and size. We list all 16 licensed assisted living facilities in Diamond Bar with their FYI Safety Scores, drawn from California state inspection data, plus any verified pricing, so you can narrow the list before you ever pick up the phone. Many placement services are paid referral agents who only show you facilities that pay them. Here you can compare every licensed option directly.
It's about average for California. Expect to pay around $5,376/mo, though prices vary widely depending on facility size, room type, and how much care is needed.
Safety varies a lot by facility. Of the 16 facilities in Diamond Bar with a FYI Safety Score, 11 land in the Good or Excellent range and 1 fall into the Poor or Severe range. Across the 16 facilities with an inspection record, 63% have zero substantiated complaints. These scores come from California state inspection data, not online reviews, so they reflect what regulators actually documented.
Banner Ridge Country Home currently has the highest safety score in Diamond Bar at 9.5 out of 10. These scores are based on real state inspection data, not online reviews. We'd recommend checking individual scores for any facility you're considering, since they can vary a lot even within the same city.
Among our top-rated facilities, Kathleen Care Home starts at $5,319/mo, and it has a safety score of 8.0. Across all 16 facilities in the area, published prices range from $3,800 to $6,400/mo. Keep in mind that the actual cost depends on the level of care needed.
38% of facilities in Diamond Bar participate in the Assisted Living Waiver (ALW) program, which is California's way of covering assisted living costs through Medi-Cal. Among the top-rated facilities, Hope Home Care for Elderly accepts it. Eligibility requirements can be strict, so it's worth calling ahead to ask about availability and waitlists.
Yes, 11 facilities in Diamond Bar offer specialized memory care for residents with Alzheimer's or other forms of dementia. Among the top-rated: Banner Ridge Country Home and Summit View Home Care and Silver Rain Home Care and Kathleen Care Home and Hope Home Care for Elderly. Memory care units typically have additional security measures and staff trained in dementia care, so expect higher pricing than standard assisted living.