Villa Siena

Villa Siena is a senior care community located in Mountain View, CA. It provides assisted living, nursing home care, and senior living for older adults in the Mountain View area. To learn more or schedule a tour, call (650) 961-6484.

With 77 beds, Villa Siena is one of the larger communities in the area, senior care communities in Mountain View average about 59 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 95% of its licensed beds, which is high; communities this full often maintain a waiting list, so it is worth calling well before you need a place.

Medicare rates this community 1 out of 5 stars overall, a score based on health inspections, staffing levels and quality measures. The individual scores differ noticeably: 1 star for staffing against 3 stars for health inspections, so it is worth reading both before deciding. Its most recent standard health inspection was in July 2025 and recorded 11 deficiencies.

Residents receive about 6.0 hours of nursing care per day on average, including 0.5 hours from a registered nurse. Communities in Mountain View average about 4.8 hours. Nursing staff turnover over the past year was about 15%.

The community is located in Santa Clara County, CA.

Medicare five-star ratings

• Overall ★★★★★ 1/5
• Health inspections ★★★★★ 3/5
• Staffing ★★★★★ 1/5
• Quality measures ★★★★★ 1/5

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

Villa Siena offers assisted living, nursing home care, and senior living.

Facility details

• Organization type Non profit - Corporation
• Beds / units 77
• Occupancy 95%
• Nursing hours per resident/day 6.0
• Annual staff turnover 15%
• Last health inspection July 2025