Sage Mountain Senior Living

Overview of 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.

Facility Direct Line (805) 375-0695

145-bed community

A larger shared setting that may offer more common spaces and organized community services.

7 years in operation

An established community with some operational experience and growing routines.

Walk Score: 14 / 100

Car-dependent. Most errands require a car, with limited nearby walkable options.

BBB Rating: A+ (Not Accredited)

An independent rating from the Better Business Bureau based on factors such as complaint history, transparency, and business practices.
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About this community

Occupancy

Occupancy rate

70%

Similar to the California average: 72.8%

Occupied beds

102 / 145

Average occupied beds in California homes 87 beds

Facility TypeResidential Care Elderly

IssuanceNovember 8, 2018

CountyVentura

Sage Mountain Senior Living is legally operated by Sage Mountain Sr. Housing Partners and Agemark Mgmt, and administered by Christian Castillo.

Staffing

Key information about the people who lead and staff this community.

ContactChristian X, Executive Director (per BBB, record updated Jul 2026)

Since 2021 · 5 years of data 56 citations 85 total visits 53 complaint visits 5 official inspections 32 complaint investigations

Inspection Score

22 points below the California average for assisted living residences (81/100)

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

Overall vs. CA average

Citations Citations are formal regulatory issues recorded during state inspections.	This Facility	CA Average	vs. CA Avg
Total citations Formal regulatory issues recorded by inspectors across all inspection types.	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) Citations that pose an immediate risk to resident health or safety. Type A citations are the most serious and typically require prompt corrective action.	31	3	This facility has 933% more serious citations (type a) than a typical California assisted living residence (31 vs. CA avg 3).↑ 933% worse Rank #1155 / 1159 Serious citations (Type A) — State benchmarked This home is ranked 1155th out of 1159 homes in California for # of serious citations. Shows this facility's # of serious citations compared to the California average among 1159 comparable communities in the ranking pool. Facilities with the same value for a metric share the same rank. Rankings are based only on facilities in California that report data for that category. Facilities without available data are excluded from the ranking.
Moderate citations (Type B) Citations that do not pose an immediate risk but still represent a departure from required care or operational standards.	25	4	This facility has 525% more moderate citations (type b) than a typical California assisted living residence (25 vs. CA avg 4).↑ 525% worse
Citations per inspection Average 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.	This Facility	CA Average	vs. CA Avg
Total visits Combined count of complaint visits, other regulatory visits, and official scheduled inspections.	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 On-site visits triggered by formal complaints filed by residents, families, or staff.	53	13	This facility has 308% more complaint visits than a typical California assisted living residence (53 vs. CA avg 13).↑ 308% worse Rank #1349 / 1386 Complaint visits — State benchmarked This home is ranked 1349th out of 1386 homes in California for # of complaint visits. Shows this facility's # of complaint visits compared to the California average among 1386 comparable communities in the ranking pool. Facilities with the same value for a metric share the same rank. Rankings are based only on facilities in California that report data for that category. Facilities without available data are excluded from the ranking.
Other visits Regulatory visits that are neither routine inspections nor complaint investigations — administrative check-ins, follow-up reviews, licensing-related 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 Routine, scheduled inspections conducted by state regulators to evaluate whether the facility meets federal and state standards.	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 On-site investigations triggered by complaints filed with California regulators.	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.

February 5, 2026 complaint investigation found no evidence that a caregiver hit a resident, with no health or safety concerns observed during the visit.
October 21, 2025 complaint investigation substantiated neglect causing a resident to choke to death and issued a $15,000 civil penalty for insufficient competent staffing.
December 18, 2025 complaint investigation substantiated failure to notify authorized representatives of three falls for one resident, citing inadequate documentation and communication.

Show Inspection Reports

What does this home offer?

Pets Allowed

Housing Options: Studio / 1 Bed / 2 Bed

Building Type: 3-story

Transportation Services

Fitness and Recreation

Type of Rooms Available

1 / 4

1 Bed

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2.9 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)

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Compare Assisted Living around Thousand Oaks

Info below is compiled from the CA Dept. of Social Services (CDSS), senior community websites & trusted data sources such as Walk Score & BBB.

Communities are listed from highest to lowest based on our ranking methodology.


Atria Hillcrest	AL IL MC	Thousand Oaks (Greenwich Village)	207 Facility 207 CA AVG 104 Rank #145 / 1644	Yes	72 Facility 72 CA AVG 57 Rank #673 / 2087	73 Facility 73 CA AVG 81 Rank #1022 / 1400	6	19 Facility 19 CA AVG 13 Rank #1105 / 1386	2 Facility 2 CA AVG 3 Rank #599 / 1159	40 Facility 40 CA AVG 13 Rank #42 / 1497	67.1%	A+	Wg Hillcrest Inn Sh LP And Atria Management Co LLC	Studio / 1 Bed / 2 Bed
Sage Mountain Senior Living	AL MC RC	Newbury Park	145 Facility 145 CA AVG 104 Rank #387 / 1644	Yes	14 Facility 14 CA AVG 57 Rank #1908 / 2087	59 Facility 59 CA AVG 81 Rank #1301 / 1400	5	53 Facility 53 CA AVG 13 Rank #1349 / 1386	31 Facility 31 CA AVG 3 Rank #1155 / 1159	7 Facility 7 CA AVG 13 Rank #815 / 1497	70.3%	A+	Sage Mountain Sr. Housing Partners And Agemark Mgmt	Studio / 1 Bed / 2 Bed
Hillcrest Royale	AL HOS RC	Thousand Oaks	145 Facility 145 CA AVG 104 Rank #387 / 1644	No	79 Facility 79 CA AVG 57 Rank #450 / 2087	75 Facility 75 CA AVG 81 Rank #973 / 1400	4	3 Facility 3 CA AVG 13 Rank #442 / 1386	9 Facility 9 CA AVG 3 Rank #1029 / 1159	24 Facility 24 CA AVG 13 Rank #266 / 1497	62.8%	A+	The Retirement Home, Inc	Studio / Suite
Sunrise of Westlake Village	AL MC	Thousand Oaks	124 Facility 124 CA AVG 104 Rank #539 / 1644	Yes	74 Facility 74 CA AVG 57 Rank #597 / 2087	92 Facility 92 CA AVG 81 Rank #308 / 1400	4	3 Facility 3 CA AVG 13 Rank #442 / 1386	1 Facility 1 CA AVG 3 Rank #413 / 1159	21 Facility 21 CA AVG 13 Rank #337 / 1497	70.2%	A+	Szr Westlake Village And Sunrise Senior Living Mgt	Studio / Suite / 1 Bed / 2 Bed
OakView Health Center	AL MC NH SNF	Thousand Oaks (Mountclef Village)	63 Facility 63 CA AVG 104 Rank #1055 / 1644	No	20 Facility 20 CA AVG 57 Rank #1841 / 2087	89 Facility 89 CA AVG 81 Rank #461 / 1400	5	4 Facility 4 CA AVG 13 Rank #526 / 1386	2 Facility 2 CA AVG 3 Rank #599 / 1159	18 Facility 18 CA AVG 13 Rank #431 / 1497	79.4%	A+	Oakview Hc LLC	Private / Semi-Private Rooms

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Multipurpose Senior Services Program

MSSP (Medi-Cal Waiver)

Age 65+

General California resident, Medi-Cal eligible, nursing home risk.

Income Limits (2025) ~$2,829/month 300% FBR, individual

Asset Limits $2,000 (individual), $3,000 (couple).

County-managed; waitlists possible.

Benefits

In-home support (4-6 hours/day) Respite care (14 days/year) Meals (~$6/meal) Transportation (8 trips/month) Care management

In-Home Supportive Services (IHSS)

California IHSS

Age 65+

General California resident, Medicaid-eligible or low-income.

Income Limits ~$1,732/month individual, Medi-Cal threshold

Asset Limits $2,000 individual

Can hire family as caregivers.

Benefits

Personal care (up to 283 hours/month) Homemaker services Respite (varies)

Multipurpose Senior Services Program (MSSP)

CA MSSP

Age 65+

General California resident, Medi-Cal-eligible, nursing home-eligible but community-capable.

Income Limits ~$2,829/month 300% FBR, individual

Asset Limits $2,000 individual

Available in 38 counties; waitlists common.

Benefits

Case management Respite care (up to 10 days/year) Minor home mods (avg. $500) Adult day care (~$50/day)

Property Tax Postponement Program (PTP)

CA PTP

Age 62+

General California resident, own and live in home, 40% equity.

Income Limits (2025) ~$51,500/year household, adjusted annually

Asset Limits Equity-based; no strict asset cap.

Deferred taxes accrue interest (5% as of 2024); repaid upon sale/death.

Benefits

Property tax deferral (avg. $1,000-$3,000/year, varies by county)

Assisted Living Waiver (ALW)

CA ALW

Age 65+ or disabled

General California resident, Medi-Cal-eligible, nursing home-eligible.

Income Limits ~$2,829/month 300% FBR, individual

Asset Limits $2,000 individual

Available in 15 counties (e.g., LA, Sacramento); waitlists common.

Benefits

Personal care in ALFs (5-7 hours/day) Medication management Social services

California CARES Program

CA CARES

Age —

General Caregivers of California residents 60+ needing help with 3+ daily activities; no caregiver age limit.

Income Limits No strict limit; cost-sharing above ~$2,500/month threshold.

Asset Limits Not applicable; need-based.

High demand in urban areas; complements IHSS respite.

Benefits

Respite care (up to 10 days/year) Counseling (4-6 sessions/year) Training (2-3 workshops/year) Supplies (~$200/year)

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Who is the owner of Sage Mountain Senior Living?

Sage Mountain Senior Living is legally operated by Sage Mountain Sr. Housing Partners and Agemark Mgmt, and administered by Christian Castillo.

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%.

How long has Sage Mountain Senior Living been in business?

Sage Mountain Senior Living has been operating for approximately 7 years, based on available licensing and registration records.

Are pets allowed at Sage Mountain Senior Living?

Yes, Sage Mountain Senior Living allows residents to bring their pets.

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.

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