Sage Mountain Senior Living
Assisted Living, Memory Care & Respite Care · Newbury Park, CA

Sage Mountain Senior Living

Assisted Living, Memory Care & Respite Care · Newbury Park, CA

Overview of Sage Mountain Senior Living

Sage Mountain Senior Living provides assisted living, memory care, and respite care in Newbury Park, California. Assisted living includes help with daily tasks such as dressing, bathing, and medication while a resident keeps a private living space. Memory care offers a secured setting with supervision for someone who may be at risk of wandering.

Respite care provides a short stay when a family’s usual caregiver needs to travel or recover. The range of care options may suit a resident whose needs could change, or a family seeking temporary support. There are 145 beds in the community.

Residents can choose among studios, one bedroom residences, and two bedroom residences. The two bedroom layout can work for a couple moving together or for someone who wants a companion.

Christian Castillo serves as administrator, while Sage Mountain Sr. Housing Partners and Agemark Mgmt operate the community. Pets are allowed, so residents can bring a pet to live with them.

By The Numbers

Community insights.

Bed count Info A mid-sized community that may balance personal attention with shared amenities and social activities. 145 Rank #332 / 1350Bed count — State benchmarkedThis assisted living community is ranked 332nd out of 1,350 assisted living communities we track in California for bed count. Shows this facility's certified or reported bed count compared to other California facilities. Larger communities may offer more amenities, programs, and on-site services for residents and families.Communities with the same value for a metric share the same rank. Rankings compare like with like: every assisted living community we track in California that reports data for that category. Assisted living communities without available data are excluded, so the pool size varies from metric to metric.Click the rank badge to see the full State ranking.Click here to see the full State ranking.

Medium-capacity home · Offers a balance of services and community atmosphere.

Years of operating Info An established community with some operational experience and growing routines. This is the number of years in operation under current management. Rank #701 / 1299Years in operation — State benchmarkedThis assisted living community is ranked 701st out of 1,299 assisted living communities we track in California for years in operation. Shows how long this facility has been in operation compared to other California facilities. Longer operating histories may benefit residents, families, and staff.Communities with the same value for a metric share the same rank. Rankings compare like with like: every assisted living community we track in California that reports data for that category. Assisted living communities without available data are excluded, so the pool size varies from metric to metric.Click the rank badge to see the full State ranking.Click here to see the full State ranking.
7 years
Walk Score Info Car-dependent. Most errands require a car, with limited nearby walkable options. Rank #1287 / 1411Walk Score — State benchmarkedThis assisted living community is ranked 1287th out of 1,411 assisted living communities we track in California for walk score. Shows how walkable this facility's neighborhood is compared to the average walk score across California facilities. Higher scores benefit residents, families, and staff.Communities with the same value for a metric share the same rank. Rankings compare like with like: every assisted living community we track in California that reports data for that category. Assisted living communities without available data are excluded, so the pool size varies from metric to metric.Click the rank badge to see the full State ranking.Click here to see the full State ranking.
14 / 100
Occupancy rate Info Occupancy lower than 85% suggests more openings may be available. Rank #712 / 1202Occupancy rate — State benchmarkedThis assisted living community is ranked 712th out of 1,202 assisted living communities we track in California for occupancy. Shows this facility's occupancy rate versus the California average, with its Statewide rank out of 1202. Higher occupancy signals strong local demand and financial stability.Communities with the same value for a metric share the same rank. Rankings compare like with like: every assisted living community we track in California that reports data for that category. Assisted living communities without available data are excluded, so the pool size varies from metric to metric.Click the rank badge to see the full State ranking.Click here to see the full State ranking.
70.3% This home usually has availability
Lower than the California average: 74.1%
Occupied beds
102 / 145
BBB Rating Info An independent rating from the Better Business Bureau based on factors such as complaint history, transparency, and business practices.
A+ Not Accredited
How BBB ratings work

About this community

License Details

Facility TypeResidential Care Elderly
IssuanceNovember 8, 2018
CountyVentura

Ownership & Operating Entity

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

Contact Sage Mountain Senior Living

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.

ALM Inspection Grade

62 / 100 Based on state-published inspection data
How it compares

21 points below the California average for state-licensed facilities (83/100)

Category breakdown

Serious citations Concern

31 serious citations in 85 inspections

Moderate citations Typical

0.29 moderate citations per inspection (25 in 85 inspections) · 2× more than the typical state-licensed CA facility (median: 0.14)

Complaint visits Concern

37 complaint visits per 100 resident beds (53 in 145 beds) · 4× more than the typical state-licensed CA facility (median: 9.6)

Inspection grade: 62 out of 100, letter grade D-.

Inspection Scorecard Info 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.

Overall vs. CA average 3 Worse Metrics worse than California average:
• Total citations (367% above)
• Serious citations (Type A) (933% above)
• Moderate citations (Type B) (525% above)
1 At Avg Metrics at California average:
• Citations per inspection (at CA avg)
0 Better No metrics in this bucket.

Citations Info Citations are formal regulatory issues recorded during state inspections.

This FacilityCA Averagevs. CA Avg
Total citations Info Formal regulatory issues recorded by inspectors across all inspection types. 5612.0 This facility has 367% more total citations than a typical California assisted living residence (56 vs. CA avg 12).↑ 367% worse
Serious citations (Type A) Info Citations that pose an immediate risk to resident health or safety. Type A citations are the most serious and typically require prompt corrective action. 313.0 This facility has 933% more serious citations (type a) than a typical California assisted living residence (31 vs. CA avg 3).↑ 933% worse Rank #1332 / 1338 Serious citations (Type A) — State benchmarked This assisted living community is ranked 1332nd out of 1,338 assisted living communities we track in California for # of serious citations. Shows this facility's # of serious citations compared to the California average among the 1338 assisted living communities in the ranking pool. Communities with the same value for a metric share the same rank. Rankings compare like with like: every assisted living community we track in California that reports data for that category. Assisted living communities without available data are excluded, so the pool size varies from metric to metric.
Moderate citations (Type B) Info Citations that do not pose an immediate risk but still represent a departure from required care or operational standards. 254.0 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 Info Average citations per inspection. 0.70.7 This facility has citations per inspection in line with the California average (0.7 vs. CA avg 0.7).— At avg

Inspections & Visits Info State inspections evaluate whether the facility meets health and safety standards.

This FacilityCA Averagevs. CA Avg
Total inspections Info Combined count of official scheduled inspections, complaint visits and other regulatory visits. California counts each evaluation report, so one trip can count twice when it serves two purposes. 8516.0 This facility has had 431% more total inspections than the California average (85 vs. CA avg 16). More inspections can mean more regulatory scrutiny rather than worse care.↑ 431% more
Complaint visits Info On-site visits triggered by formal complaints filed by residents, families, or staff. 5313.0 This facility has had 308% more complaint visits than the California average (53 vs. CA avg 13). More inspections can mean more regulatory scrutiny rather than worse care.↑ 308% more Rank #1258 / 1292 Complaint visits — State benchmarked This assisted living community is ranked 1258th out of 1,292 assisted living communities we track in California for # of complaint visits. Shows this facility's # of complaint visits compared to the California average among the 1292 assisted living communities in the ranking pool. Communities with the same value for a metric share the same rank. Rankings compare like with like: every assisted living community we track in California that reports data for that category. Assisted living communities without available data are excluded, so the pool size varies from metric to metric.
Other visits Info Regulatory visits that are neither routine inspections nor complaint investigations — administrative check-ins, follow-up reviews, licensing-related visits. 277.0 This facility has had 286% more other visits than the California average (27 vs. CA avg 7). More inspections can mean more regulatory scrutiny rather than worse care.↑ 286% more
Official inspections Info Routine, scheduled inspections conducted by state regulators to evaluate whether the facility meets federal and state standards. 54.0 This facility has had 25% more official inspections than the California average (5 vs. CA avg 4). More inspections can mean more regulatory scrutiny rather than worse care.↑ 25% more
Complaint investigations Info On-site investigations triggered by complaints filed with California regulators. 3210.0 This facility has had 220% more complaint investigations than the California average (32 vs. CA avg 10). More inspections can mean more regulatory scrutiny rather than worse care.↑ 220% more

What does this home offer?

Pets allowed icon
Pets allowed icon

Pets Allowed

Housing options icon
Housing options icon

Housing Options: Studio / 1 Bed / 2 Bed

Building type icon
Building type icon

Building Type: 3-story

Transportation services icon
Transportation services icon

Transportation Services

Fitness and recreation icon
Fitness and recreation icon

Fitness and Recreation

Type of Rooms Available

1 Bed
1 Bed
1 Bed
1 Bed
1 / 4
1 Bed
1

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Places of interest near Sage Mountain Senior Living

Address 2.9 miles from city center Info 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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Address

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-ranked to lowest-ranked based on our methodology.

Care Types in This Table AL (Assisted Living): Housing with help for daily activities like bathing, dressing, and medication, without 24-hour skilled nursing. MC (Memory Care): Secured, specialized care for people living with Alzheimer's or dementia. RC (Respite Care): Short-term temporary care that gives family caregivers a break. RESC (Residential Care): Personal care and daily-living support in a smaller, more intimate residential setting. IL (Independent Living): Community living with dining, activities, and transportation for active seniors who need little personal care. HOS (Hospice Care): Comfort-focused care for those with a terminal illness, prioritizing quality of life over treatment.
City and state of the facility. Used for mapping and state-average comparisons.
Licensed bed capacity (maximum allowed). Not the same as how many beds are currently filled.
Indicates whether residents are allowed to have pets in the facility.
Third-party neighborhood walkability score (0–100). Convenience/context metric, not a healthcare quality measure.
A 0–100 score of a facility's regulatory inspection record, shown as a letter and compared with other facilities of the same kind in the same state. This is a proprietary Assisted Living Magazine grade. It is not a government rating. A dash means we have no inspection data for that facility.
Count of regulatory inspections in the reporting window. Higher volume can reflect more oversight visits, complaint-driven surveys, or routine licensure cycles.
Visits or investigations linked to complaints, as counted in the state record (may differ from routine annual surveys).
Count of California state "Type A" citations — the state's most serious citation category (immediate or serious harm to residents), from California state inspection data.
Number of years the company has been in operation.
Reported or derived occupancy for the facility—typically how fully licensed capacity is utilized. Compare across peers in the same market.
Better Business Bureau grade for the operating company. Reflects complaint handling and business practices, not clinical care quality.
Name of the licensed owner, operator, or managing entity as filed with the state. Useful for grouping facilities under the same organization.
Housing or bed configuration options (e.g. studio, shared), often from facility-reported amenities and licensing details.
Atria Hillcrest
AL
IL
MC
Thousand Oaks (Greenwich Village)
207
Facility 207
CA AVG 103
Rank #125 / 1,350
Yes
72
Facility 72
CA AVG 56
Rank #445 / 1,411
B+36
19
Facility 19
CA AVG 13
Rank #1,032 / 1,292
2
Facility 2
CA AVG 3
Rank #679 / 1,338
40
Facility 40
CA AVG 13
Rank #22 / 1,299
67.1%
Facility 67.1%
CA AVG 74.1%
Rank #780 / 1,202
A+Wg Hillcrest Inn Sh LP And Atria Management Co LLCStudio / 1 Bed / 2 Bed
Sage Mountain Senior Living
AL
MC
RC
Newbury Park
145
Facility 145
CA AVG 103
Rank #332 / 1,350
Yes
14
Facility 14
CA AVG 56
Rank #1,287 / 1,411
D-85
53
Facility 53
CA AVG 13
Rank #1,258 / 1,292
31
Facility 31
CA AVG 3
Rank #1,332 / 1,338
7
Facility 7
CA AVG 13
Rank #701 / 1,299
70.3%
Facility 70.3%
CA AVG 74.1%
Rank #712 / 1,202
A+Sage Mountain Sr. Housing Partners And Agemark MgmtStudio / 1 Bed / 2 Bed
Hillcrest Royale
AL
HOS
RC
Thousand Oaks
145
Facility 145
CA AVG 103
Rank #332 / 1,350
No
79
Facility 79
CA AVG 56
Rank #309 / 1,411
C-11
3
Facility 3
CA AVG 13
Rank #418 / 1,292
9
Facility 9
CA AVG 3
Rank #1,184 / 1,338
24
Facility 24
CA AVG 13
Rank #235 / 1,299
62.8%
Facility 62.8%
CA AVG 74.1%
Rank #917 / 1,202
A+The Retirement Home, IncStudio / Suite
Sunrise of Westlake Village
AL
MC
Thousand Oaks
124
Facility 124
CA AVG 103
Rank #466 / 1,350
Yes
74
Facility 74
CA AVG 56
Rank #397 / 1,411
A8
3
Facility 3
CA AVG 13
Rank #418 / 1,292
1
Facility 1
CA AVG 3
Rank #451 / 1,338
21
Facility 21
CA AVG 13
Rank #297 / 1,299
70.2%
Facility 70.2%
CA AVG 74.1%
Rank #716 / 1,202
A+Szr Westlake Village And Sunrise Senior Living MgtStudio / Suite / 1 Bed / 2 Bed
Norma J’s Home for the Elderly
AL
RESC
Thousand Oaks
6
Facility 6
CA AVG 103
Rank #1,036 / 1,350
No
47
Facility 47
CA AVG 56
Rank #927 / 1,411
C+8
2
Facility 2
CA AVG 13
Rank #310 / 1,292
0
Facility 0
CA AVG 3
Rank #1 / 1,338
18
Facility 18
CA AVG 13
Rank #381 / 1,299
100.0%
Facility 100.0%
CA AVG 74.1%
Rank #1 / 1,202
A+Tiede Senior Care, IncPrivate / Shared Rooms

Rank badges are statewide and care-type specific: each assisted living community is ranked against every other CA assisted living community we track that reports that metric, not just the 5 on this page. See how we rank facilities

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.

Get Financial aid guidance

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).
CA

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
CA

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
CA

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.
CA

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
CA

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.
CA

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)

Frequently Asked Questions about Sage Mountain Senior Living

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 70.3%.

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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