Sage Mountain Senior Living
Sage Mountain, located in Thousand Oaks, CA, is a community offering a variety of care options where remarkable moments are created daily, fostering a familial atmosphere based on top-of-the-line assisted living and memory care services. The community celebrates the good times and offers support in challenging moments, aiming to positively impact its residents’ lives and uphold the values of family, compassion, and celebration. They seek to extend these qualities to teammates, residents, resident families, and the community.
Sage Mountain provides Assisted Living and Memory Care options, promoting independent living with a caring support system. Assisted living apartments are designed for various needs, offering social opportunities, comfort, and relief from home upkeep responsibilities, featuring amenities like in-apartment kitchenettes, walk-in showers, and 24-hour emergency alert systems. Memory Care at Sage Mountain focuses on individualized care for those with dementia, ensuring safety, dignity, and personalized support with spacious closets, walk-in showers, and 24-hour emergency alert systems. Sage Mountain is committed to creating personalized, enriching experiences for its residents of assisted living and memory care.
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About this community
Occupancy
Sage Mountain Senior Living is legally operated by Sage Mountain Sr. Housing Partners; Agemark Mgmt, and administrated by Christian Castillo.
What does this home offer?
Pets Allowed
Housing Options: Studio / 1 Bed / 2 Bed
Building Type: 3-story
Transportation Services
Fitness and Recreation
Types of Care at Sage Mountain Senior Living
Type of Rooms Available
Inspection History
In California, the Department of Social Services (for assisted living facilities) and the Department of Public Health (for nursing homes) conduct inspections to ensure resident safety and regulatory compliance.
Inspection Scorecard
This scorecard compares key inspection, citation, and complaint metrics at this facility against the California state average. Metrics rated ≥15% worse than average are highlighted in red; those ≥15% better are highlighted in green.
Since 2021 vs. California state average• Total citations (460% above)
• Citations per year (460% above)
• Total visits (431% above)
• Complaint visits (308% above)
• Other visits (286% above)
• Official inspections (25% above)
• Complaint investigations (220% above) 1 Better Metrics better than California average:
• Citations per inspection (79% below)
Citations
Citations are formal regulatory issues recorded during state inspections.
| Metric | This Facility | CA Average | vs. CA Avg |
|---|---|---|---|
|
Total citations
| 56 | 10 | This facility has 460% more total citations than a typical California assisted living residence (56 vs. CA avg 10).↑ 460% worse |
|
Serious citations (Type A)
| 31 | — | — |
|
Moderate citations (Type B)
| 25 | — | — |
|
Citations per year
| 11.2 | 2 | This facility has 460% more citations per year than a typical California assisted living residence (11.2 vs. CA avg 2).↑ 460% worse |
|
Citations per inspection
| 0.7 | 3.3 | This facility has 79% fewer citations per inspection than a typical California assisted living residence (0.7 vs. CA avg 3.3).↓ 79% better |
Inspections & Visits
State inspections evaluate whether the facility meets health and safety standards.
| Metric | This Facility | CA Average | vs. CA Avg |
|---|---|---|---|
|
Total visits
| 85 | 16 | This facility has 431% more total visits than a typical California assisted living residence (85 vs. CA avg 16).↑ 431% worse |
|
Complaint visits
| 53 | 13 | This facility has 308% more complaint visits than a typical California assisted living residence (53 vs. CA avg 13).↑ 308% worse |
|
Other visits
| 27 | 7 | This facility has 286% more other visits than a typical California assisted living residence (27 vs. CA avg 7).↑ 286% worse |
|
Official inspections
| 5 | 4 | This facility has 25% more official inspections than a typical California assisted living residence (5 vs. CA avg 4).↑ 25% worse |
|
Complaint investigations
| 32 | 10 | This facility has 220% more complaint investigations than a typical California assisted living residence (32 vs. CA avg 10).↑ 220% worse |
Inspection Reports Summary
An editor-reviewed summary of the themes and findings across this facility's recent inspection reports.
This facility’s inspection record is mixed, showing repeated issues with staffing, medication management, and timely response to resident needs, alongside some serious incidents including a resident death due to neglect. The most recent inspection on February 5, 2026, found no deficiencies related to a caregiver abuse allegation, but prior investigations substantiated multiple deficiencies such as failure to notify representatives of falls (December 18, 2025) and an immediate health risk from hot water temperatures (November 20, 2025). Several substantiated complaints over the years resulted in civil penalties totaling over $24,000 for neglect, inadequate staffing, and delayed medical care.
Read the full inspection reports for this facility, including detailed findings and corrective actions.
Show Inspection ReportsSage Mountain Senior Living Virtual Tour

Financial Assistance for
Assisted Living in California
Sage Mountain Senior Living is located in Newbury Park, California.
Here are the financial assistance programs available to residents in California.
Places of interest near Sage Mountain Senior Living
7.2 miles from city center
Estimated distance in miles from Newbury Park's city center to Sage Mountain Senior Living's address, calculated via Google Maps.
— 4 miles to nearest hospital (Los Robles Regional Medical Center)
Calculate Travel Distance to Sage Mountain Senior Living
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Compare Assisted Living around Thousand Oaks
The information below is reported by the California Department of Social Services and Department of Public Health.
| Sage Mountain Senior Living |
AL Assisted Living A licensed, long-term care setting for seniors or individuals with disabilities who need help with daily activities — like bathing, dressing, and medication management — but not 24-hour skilled nursing. Offers housing, meals, and around-the-clock support while aiming to maximize resident independence.
MC Memory Care Secured, specialized care for people living with Alzheimer's or dementia. Staff trained in cognitive impairment, with higher staff-to-resident ratios and an environment designed to reduce confusion and wandering risk.
RC Respite Care Short-term temporary care — days to weeks — to give family caregivers a break. Full care provided during the stay. Often used after hospitalization or to trial a facility before a permanent placement decision. | Newbury Park | 145 | Yes | 14 | 5 | 53 | 31 | 7 | 70.3% | A+ | Sage Mountain Sr. Housing Partners; Agemark Mgmt | Studio / 1 Bed / 2 Bed |
| Norma J’s Home for the Elderly |
AL Assisted Living A licensed, long-term care setting for seniors or individuals with disabilities who need help with daily activities — like bathing, dressing, and medication management — but not 24-hour skilled nursing. Offers housing, meals, and around-the-clock support while aiming to maximize resident independence. | Thousand Oaks | 6 | No | 47 | 4 | 2 | - | 18 | 83.3% | A+ | Tiede Senior Care, Inc. | Private / Shared Rooms |
| Conejo Valley Home Care |
AL Assisted Living A licensed, long-term care setting for seniors or individuals with disabilities who need help with daily activities — like bathing, dressing, and medication management — but not 24-hour skilled nursing. Offers housing, meals, and around-the-clock support while aiming to maximize resident independence. | Thousand Oaks | 6 | No | 32 | 3 | - | 1 | 3 | 100.0% | A | Tka Facilities Management, LLC | Private / Shared Rooms |
| GEM Oaks |
AL Assisted Living A licensed, long-term care setting for seniors or individuals with disabilities who need help with daily activities — like bathing, dressing, and medication management — but not 24-hour skilled nursing. Offers housing, meals, and around-the-clock support while aiming to maximize resident independence. | Thousand Oaks | 6 | No | 19 | 4 | - | 3 | 4 | 83.3% | A+ | Gem Oaks, LLC | Private / Shared Rooms |
| Alma Care Senior Living |
AL Assisted Living A licensed, long-term care setting for seniors or individuals with disabilities who need help with daily activities — like bathing, dressing, and medication management — but not 24-hour skilled nursing. Offers housing, meals, and around-the-clock support while aiming to maximize resident independence. | Thousand Oaks | - | No | 62 | - | - | - | - | - | - | - | Studio / 1 Bed / 2 Bed |
Guides for Better Senior Living
Care Cost Calculator: See Prices in Your Area
Nursing Home Data Explorer
Don’t Wait Too Long: 7 Red Flag Signs Your Parent Needs Assisted Living Now
The True Cost of Assisted Living in 2025 – And How Families Are Paying For It
Understanding Senior Living Costs: Pricing Models, Discounts & Financial Assistance
Frequently Asked Questions about Sage Mountain Senior Living
What neighborhood is Sage Mountain Senior Living in?
Sage Mountain Senior Living is in the Newbury Park neighborhood of Newbury Park.
Who is the owner of Sage Mountain Senior Living?
The legal owner and operator of Sage Mountain Senior Living is Sage Mountain Sr. Housing Partners; Agemark Mgmt.
Is Sage Mountain Senior Living in a walkable area?
Sage Mountain Senior Living has a walk score of 14. Car-dependent. Most errands require a car, with limited nearby walkable options.
What is the occupancy rate at Sage Mountain Senior Living?
Sage Mountain Senior Living's occupancy is 70%.
Who is the administrator of Sage Mountain Senior Living?
Christian Castillo is the administrator of Sage Mountain Senior Living.
How many beds does Sage Mountain Senior Living have?
Sage Mountain Senior Living has 145 beds.
Has Sage Mountain Senior Living had any recent deficiencies or citations?
Sage Mountain Senior Living has had 56 recently reported deficiencies.
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