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Counties Participating in DMC-ODS 

Counties interested in participating in DMC-ODS must submit an Implementation Plan and undergo an approval process by both DHCS and CMS before they can begin DMC-ODS services. As of January 1, 2025, 40 counties participate in DMC-ODS.

​
​​County Code​
​​Counties with Submitted Applications
​Go Live Date
​​County Code
​Counties with Submitted Applications​
​​Go Live Date​
​1
​Alameda
​7/1/2018
​33
Riverside
​​2/1/2017
​7
​Contra Costa
​7/1/2017
​34
​Sacramento
​7/1/2019
​9
​El Dorado 
​6/1/2019
​35
​San Benito 
​​7/1/2019
​10
​Fresno
​1/1/2019
​36
​San Bernardino 
3/1/2018
​12
​Humboldt (PHP)
​7/1/2020
​37
​San Diego 
​7/1/2018
​13
​Imperial
​7/1/2018
​38
​San Francisco 
​7/1/2017
​15
​Kern
​3/1/2019
39
​San Joaquin
​7/1/2018
​17
Lake
7/1/2024
​40
​San Luis Obispo
​1/1/2018
​18
​Lassen (PHP)
​7/1/2020​
​41
​San Mateo​
​2/1/2017
19
​Los Angeles
​7/1/2017
​42
Santa Barbara
​​12/1/2018
​21​
​Marin​​
​4/1/2017
43
​Santa Clara
6/15/2017
​22 
Mariposa
​6/30/2023
​44
Santa Cruz
​1/1/2018
​23
​Mendocino (PHP)​​
​7/1/2020
​45
Shasta (PHP)
7/1/2020
​24
Merced​
​1/1/2019
​47
Siskiyou (PHP)
​7/1/2020
​25
Modoc (PHP)
​7/1/2020​
48
Solano (PHP)
​7/1/2020
​27
​Monterey
7/1/2018
​49
Sonoma
​12/1/2024
​28
​Napa
​12/15/2017
​50
Stanislaus
4/1/2019
29
​Nevada​
​7/1/2018​
54
Tulare
​7/1/2019
​30
Orange​
7/1/2018
56
Ventura​
12/1/2018
​31
​Placer​
​11/1/2018
57​
Yolo​
​7/1/2018​​​

Executed Contracts​

 Below are links to each county's executed contract to participate in the DMC-ODS waiver.

Regional Contracts

​Solano County​​​​

​​Humboldt County
Siskiyou County
Lassen County

Shasta County

​Mendocino County

Modoc County

DMC State Plan Contract

July 1, 20​5 - December 31, 2026 State Plan DMC Agreement​​​

​DMC State Plan Boilerplate (expires 6/30/2027)​ (Cancelled 6/30/25)​

Final County Implementation Plans

​Alameda County Implementation Plan - DHCS Approved
​San Benito County Implementation Plan - DHCS Approved
​Contra Costa County Implementation Plan - DHCS Approved 
San Bernardino Implementation Plan DHCS Approved ​
​El Dorado County Implementation Plan - DHCS Approved
​San Diego County Implementation Plan - DHCS Approved 

  • IP Appendices
​Fresno County Implementation Plan - DHCS Approved 
​San Francisco County Implementation Plan - DHCS Approved 
​Imperial County Implementation Plan - DHCS Approved
​San Joaquin County Implementation Plan - DHCS Approved
​Kern County Implementation Plan - DHCS Approved
​San Mateo County Implementation Plan - DHCS Approved 
​Kings County Implementation Plan - DHCS Approved
​San Luis Obispo County Implementation Plan - DHCS Approved 
​Los Angeles County Implementation Plan - DHCS Approved
​Santa Barbara County Implementation Plan - DHCS Approved
​Marin County Implementation Plan - DHCS Approved
​Santa Clara County Implementation Plan - DHCS Approved
​Merced County Implementation Plan - DHCS Approved
​Santa Cruz County Implementation Plan - DHCS Approved
​Monterey County Implementation Plan - DHCS Approved
​Sonoma County Implementation Plan - DHCS Approved 
​Napa County Implementation Plan - DHCS Approved
​Stanislaus County Implementation Plan - DHCS Approved
​Nevada County Implementation Plan - DHCS Approved
​Tulare County Implementation Plan - DHCS Approve​d

​Orange County Implementation Plan - DHCS Approved
​Ventura County Implementation Plan - DHCS Approved 
​Partnership Implementation Plan - DHCS Approved 
​Yolo County Implementation Plan - DHCS Approved ​​

​Placer County Implementation Plan - DHCS Approved​

​
​Riverside County Implementation Plan - DHCS Approved
​
Sacramento County Implementation Plan - DHCS Appro​ved​
​

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Last modified date: 9/15/2025 11:43 AM