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Mount San Antonio Gardens

Nursing Home Facility

900 E. Harrison Ave, Pomona, CA 91767

Assisted Living Nursing Home Care Continuing Care (CCRC) Senior Living
Mount San Antonio Gardens

Mount San Antonio Gardens is a senior care community located in Pomona, CA. It provides assisted living, nursing home care, continuing care (CCRC), and senior living for older adults in the Pomona area. To learn more or schedule a tour, call (909) 624-5061.

With 520 beds, Mount San Antonio Gardens is one of the larger communities in the area, senior care communities in Pomona average about 44 beds. Larger communities more often keep clinical staff on site around the clock and can offer a wider range of on-site therapy and activities, though some families prefer the quieter feel of a smaller setting.

Federal reporting puts occupancy at about 63% of its licensed beds, so availability is more likely here than at busier communities nearby. That is below the Pomona average of roughly 91%.

Medicare rates this community 5 out of 5 stars overall, a score based on health inspections, staffing levels and quality measures. Communities in Pomona average about 3.0 stars. The individual scores differ noticeably: 3 stars for staffing against 5 stars for health inspections, so it is worth reading both before deciding. Its most recent standard health inspection was in June 2026 and recorded 6 deficiencies.

Residents receive about 6.0 hours of nursing care per day on average, including 0.7 hours from a registered nurse. Communities in Pomona average about 4.2 hours.

The community is located in Los Angeles County, CA.

Medicare five-star ratings

  • Overall ★★★★★ 5/5
  • Health inspections ★★★★★ 5/5
  • Staffing ★★★★★ 3/5
  • Quality measures ★★★★★ 5/5

Source: Centers for Medicare & Medicaid Services (CMS) Care Compare. Ratings apply to Medicare/Medicaid-certified nursing homes and are updated by CMS monthly.

Inspection record

In its last three standard inspections and any complaint visits, federal inspectors cited 14 problems at Mount San Antonio Gardens. None of them caused harm to a resident. 1 came from investigating complaints by residents or families.

Findings from the most recent inspection cycle

  • Could cause more than minimal harm, a pattern Quality of Life and Care

    Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.

    Inspected June 2026. Corrected by July 14, 2026.

  • Could cause more than minimal harm, a pattern Quality of Life and Care

    Provide safe and appropriate respiratory care for a resident when needed.

    Inspected June 2026. Corrected by July 14, 2026.

  • Could cause more than minimal harm, a pattern Infection Control

    Provide and implement an infection prevention and control program.

    Inspected June 2026. Corrected by July 14, 2026.

  • Could cause more than minimal harm, one or a few residents Resident Assessment and Care Planning

    Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted

    Inspected June 2026. Corrected by July 14, 2026.

  • Could cause more than minimal harm, one or a few residents Environmental

    Make sure there is a pest control program to prevent/deal with mice, insects, or other pests.

    Inspected June 2026. Corrected by July 13, 2026.

  • Could cause more than minimal harm, one or a few residents Quality of Life and Care

    Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.

    Inspected January 2026, after a complaint. Corrected by February 11, 2026.

A citation on its own does not mean poor care, and most are corrected within weeks. What matters most is how serious the findings were and whether the same problems keep coming back. When you visit, it is fair to ask the administrator what inspectors found and what has changed since.

Source: Centers for Medicare & Medicaid Services, Health Deficiencies and Penalties files, updated monthly. See the full record on Medicare Care Compare.

Mount San Antonio Gardens offers assisted living, nursing home care, continuing care (CCRC), and senior living.

Facility details

  • Organization type Non profit - Corporation
  • Beds / units 520
  • Occupancy 63%
  • Nursing hours per resident/day 6.0
  • Last health inspection June 2026

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