#1Armanino LLP
Based in San Ramon, CA
401(k) TPAs & Recordkeepers in Contra Costa County, CA
The top-ranked 401(k) TPAs and recordkeepers serving Contra Costa County, CA are Armanino LLP, California Retirement Plans and Ccc Electrical Ind Labor Mgmt Co Tr. We list 57 401(k) TPAs and recordkeepers serving Contra Costa County, CA. 30 of the providers shown match an active record from U.S. Department of Labor, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
401(k) TPAs & Recordkeepers serving Contra Costa County, CA. 57 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked 401(k) TPAs and recordkeepers for Contra Costa County
#2California Retirement Plans
Based in Walnut Creek, CA#3Ccc Electrical Ind Labor Mgmt Co Tr
Based in Martinez, CA#4Pacific Service Employees Assoc.
Based in Concord, CA#5Pensionone Advisors, Inc.
Based in Walnut Creek, CA#6Relation Insurance Services
Based in Contra Costa Centre, CA#7Relation Insurance Services
Based in Pleasant Hill, CA#8Relation Insurance Services Of Cali
Based in Pleasant Hill, CA#9Wespac Plan Services, LLC
Based in Orinda, CA#10Wespac Plan Services, LLC
Based in Orinda, CA
20 more providers serving this area
- Kaiser Foundation, Oakland, CA (18 mi)
- Sterling Administration, Oakland, CA (18 mi)
- Curcio Webb, Oakland, CA (19 mi)
- Flynn, Shojinaga & Associates, Inc., Alameda, CA (20 mi)
- Flynn, Shojinaga & Associates, Inc., Alameda, CA (20 mi)
- Charles Schwab & Co., Inc., San Francisco, CA (25 mi)
- Cigna Health And Life Insurance Com, San Francisco, CA (25 mi)
- Docusign, San Francisco, CA (25 mi)
- Blue Shield Of California, San Francisco, CA (25 mi)
- Fitbit, San Francisco, CA (25 mi)
- Doctor On Demand, San Francisco, CA (25 mi)
- Omada Health, Inc., San Francisco, CA (25 mi)
- Human Interest Advisor LLC, San Francisco, CA (26 mi)
- Decimal, Inc., San Francisco, CA (26 mi)
- Matrix Trust Company, San Francisco, CA (26 mi)
- Nwk Group, Inc., San Francisco, CA (26 mi)
- Dc Risk, San Francisco, CA (28 mi)
- Global Retirement Partners, San Rafael, CA (33 mi)
- Global Retirement Partners, LLC, San Rafael, CA (33 mi)
- Primark Benefits, San Rafael, CA (33 mi)
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Frequently asked questions
How many 401(k) TPAs and recordkeepers serve Contra Costa County?
We list 57 401(k) TPAs and recordkeepers serving Contra Costa County, CA: 10 based there and 47 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which 401(k) TPAs and recordkeepers serve Contra Costa County?
The top-ranked 401(k) TPAs and recordkeepers serving Contra Costa County, CA are Armanino LLP, California Retirement Plans, Ccc Electrical Ind Labor Mgmt Co Tr, Pacific Service Employees Assoc. and Pensionone Advisors, Inc.. The full ranked list, with the official records each provider matched, is on this page.
Which 401(k) TPAs and recordkeepers serving Contra Costa County are verified against official records?
10 of the top 10 match an active official record: Armanino LLP (U.S. Department of Labor), California Retirement Plans (U.S. Department of Labor), Ccc Electrical Ind Labor Mgmt Co Tr (U.S. Department of Labor), Pacific Service Employees Assoc. (U.S. Department of Labor) and Pensionone Advisors, Inc. (U.S. Department of Labor), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What does a 401(k) TPA do?
A third-party administrator handles plan compliance: nondiscrimination testing, Form 5500 preparation, contribution limits and plan documents. Recordkeepers track participant accounts; some firms do both.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Cities in Contra Costa County
Communities served
Bay Point, Orinda, Pinole, Moraga, El Sobrante, Discovery Bay, Alamo, Clayton, Rodeo, Blackhawk, Contra Costa Centre, Saranap, Kensington, Tara Hills, Camino Tassajara, Vine Hill, Pacheco, North Richmond, San Miguel, East Richmond Heights, Reliez Valley, Crockett, Montalvin Manor, Rollingwood, Mountain View, Bethel Island, Bayview, Knightsen, Norris Canyon, Acalanes Ridge, Castle Hill, Diablo, Byron, Shell Ridge, Alhambra Valley, Clyde, North Gate, Port Costa