TreVista Senior Living

Overview of TreVista Senior Living

Operated by Treg Antioch I Op Co Director LLC and Agemark Mgt LLC, TreVista Senior Living is an assisted living and memory care community at 3950 Lone Tree Way in Antioch, California. Alberto Maldonado serves as the administrator. The three-story community has been operating for 8 years.

Residents can choose from shared rooms, studios, deluxe studios, one-bedroom apartments, and two-bedroom apartments. Families have many options based on their space needs. The 131-bed community currently has an occupancy rate of about 88%, making it one of the more established and highly occupied communities in the area.

Residents living with Alzheimer’s disease and other forms of dementia receive support through a dedicated memory care program. Trained caregivers provide care in a calm and structured environment. Daily life includes prepared meals and snacks, local transportation, weekly housekeeping and laundry, and routine maintenance. Basic television service, utilities, and guest Wi-Fi are included. Residents can participate in fitness, recreation, and life enrichment programs. The community also welcomes pets, allowing residents to keep a companion animal after moving in.

The area has a Walk Score of 60, which is moderately walkable. Some errands can be completed on foot, with a mix of nearby amenities. Still, a car is useful for many trips.

The California Department of Social Services conducts ongoing inspections of assisted living communities. Reviews of TreVista Senior Living have included findings that the community met core health and safety requirements. However, other inspections identified concerns involving resident supervision, staffing, and sanitary conditions.

Families considering the home should ask how it addressed those findings and what improvements have been made since previous inspections.

Facility Direct Line (925) 671-2200

131-bed community

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

8 years in operation

An established community with some operational experience and growing routines.

Walk Score: 60 / 100

Moderately walkable. Some errands can be accomplished on foot, with a mix of nearby amenities.

About this community

Occupancy

Occupancy rate

88%

Higher than the California average: 72.8%

Occupied beds

115 / 131

Average occupied beds in California homes 87 beds

Facility TypeResidential Care Elderly

IssuanceFebruary 16, 2018

CountyContra Costa

TreVista Senior Living is legally operated by Treg Antioch I Op Co Director LLC and Agemark Mgt LLC, and administered by Alberto Maldonado.

Since 2021 · 5 years of data 8 citations 25 total visits 13 complaint visits 5 official inspections 10 complaint investigations

Inspection Score

At 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.	8	10	This facility has 20% fewer total citations than a typical California assisted living residence (8 vs. CA avg 10).↓ 20% better
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.	1	3	This facility has 67% fewer serious citations (type a) than a typical California assisted living residence (1 vs. CA avg 3).↓ 67% better Rank #413 / 1159 Serious citations (Type A) — State benchmarked This home is ranked 413th 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.	7	4	This facility has 75% more moderate citations (type b) than a typical California assisted living residence (7 vs. CA avg 4).↑ 75% worse
Citations per inspection Average citations per inspection.	0.3	3.3	This facility has 91% fewer citations per inspection than a typical California assisted living residence (0.3 vs. CA avg 3.3).↓ 91% 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.	25	16	This facility has 56% more total visits than a typical California assisted living residence (25 vs. CA avg 16).↑ 56% worse
Complaint visits On-site visits triggered by formal complaints filed by residents, families, or staff.	13	13	This facility has complaint visits in line with the California average (13 vs. CA avg 13).— At avg Rank #949 / 1386 Complaint visits — State benchmarked This home is ranked 949th 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.	7	7	This facility has other visits in line with the California average (7 vs. CA avg 7).— At avg
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.	10	10	This facility has complaint investigations in line with the California average (10 vs. CA avg 10).— At avg

Inspection Reports Summary An editor-reviewed summary of the themes and findings across this facility's recent inspection reports.

The most recent inspection on January 14, 2026 found no deficiencies and confirmed compliance with infection control, safety equipment, and adequate supplies.
A substantiated complaint on November 7, 2025 found the facility failed to provide adequate care and supervision, resulting in multiple stage 3 infected pressure injuries and hospitalization, with a $500 civil penalty assessed.
Multiple complaint investigations since 2022 included unsubstantiated allegations of privacy violations, staffing shortages, and care issues, but a 2023 substantiated finding cited unsanitary conditions and unmet hygiene needs posing health risks.

Show Inspection Reports

What does this home offer?

Pets Allowed

Housing Options: Private Rooms

Building Type: 3-story

Transportation Services

Fitness and Recreation

1.8 miles from city center Estimated distance in miles from Antioch's city center to TreVista Senior Living's address, calculated via Google Maps.

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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.


TreVista Senior Living	AL MC	Antioch	131 Facility 131 CA AVG 104 Rank #481 / 1644	Yes	60 Facility 60 CA AVG 57 Rank #1048 / 2087	81 Facility 81 CA AVG 81 Rank #825 / 1400	5	13 Facility 13 CA AVG 13 Rank #949 / 1386	1 Facility 1 CA AVG 3 Rank #413 / 1159	8 Facility 8 CA AVG 13 Rank #747 / 1497	87.8%	-	Treg Antioch I Op Co Director LLC And Agemark Mgt LLC	Private Rooms
The Commons at Dallas Ranch	AL MC	Antioch	123 Facility 123 CA AVG 104 Rank #544 / 1644	Yes	35 Facility 35 CA AVG 57 Rank #1643 / 2087	68 Facility 68 CA AVG 81 Rank #1142 / 1400	5	49 Facility 49 CA AVG 13 Rank #1343 / 1386	2 Facility 2 CA AVG 3 Rank #599 / 1159	8 Facility 8 CA AVG 13 Rank #747 / 1497	85.4%	A+	Dallas Ranch Msl LLC And Msl Community Management LLC	Studio / 1 Bed / 2 Bed
Country Place Assisted Living	AL MC RC	Antioch	49 Facility 49 CA AVG 104 Rank #1129 / 1644	Yes	76 Facility 76 CA AVG 57 Rank #529 / 2087	67 Facility 67 CA AVG 81 Rank #1156 / 1400	6	21 Facility 21 CA AVG 13 Rank #1141 / 1386	-	14 Facility 14 CA AVG 13 Rank #514 / 1497	100.0%	-	Antioch Mgt, LLC	-
Friendship Care Home	AL RESC	Antioch	35 Facility 35 CA AVG 104 Rank #1233 / 1644	Yes	78 Facility 78 CA AVG 57 Rank #485 / 2087	60 Facility 60 CA AVG 81 Rank #1294 / 1400	3	19 Facility 19 CA AVG 13 Rank #1105 / 1386	8 Facility 8 CA AVG 3 Rank #1011 / 1159	4 Facility 4 CA AVG 13 Rank #1111 / 1497	74.3%	-	Star Rcfe	-
Hillcrest Memory Care	AL HOS MC RC	Antioch	-	No	65 Facility 65 CA AVG 57 Rank #887 / 2087	-	-	-	-	-	-	-	-	Private Rooms / 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)

Who is the owner of TreVista Senior Living?

TreVista Senior Living is legally operated by Treg Antioch I Op Co Director LLC and Agemark Mgt LLC, and administered by Alberto Maldonado.

Is TreVista Senior Living in a walkable area?

TreVista Senior Living has a walk score of 60. Moderately walkable. Some errands can be accomplished on foot, with a mix of nearby amenities.

What is the occupancy rate at TreVista Senior Living?

TreVista Senior Living's occupancy is 88%.

How long has TreVista Senior Living been in business?

TreVista Senior Living has been operating for approximately 8 years, based on available licensing and registration records.

Are pets allowed at TreVista Senior Living?

Yes, TreVista Senior Living allows residents to bring their pets.

Who is the administrator of TreVista Senior Living?

Alberto Maldonado is the administrator of TreVista Senior Living.

How many beds does TreVista Senior Living have?

TreVista Senior Living has 131 beds.

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