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Compare Supplemental Insurance Agents in Brentwood, CA
Compare supplemental insurance agents in Brentwood. Review contact information and insurance categorys before you decide.
20 agents listed
Updated May 2026
Brentwood, CA
Important: Listings are compiled from publicly available sources and have not been independently verified by BeforeInsuranceUSA.com. We do not endorse any agent or guarantee outcomes. Verify licensing and disciplinary status with the Department of Insurance of California before hiring.
Showing 20 supplemental insurance agents in Brentwood, CA
Listings are displayed in no particular order and are not ranked by BeforeInsuranceUSA. Order does not constitute a recommendation or endorsement of any agent.
380 W Country Club Dr suite c, Brentwood, CA 94513
(925) 838-5400
agents.allstate.com
Jack Stone Insurance Agency Inc
144 Continente Ave #210, Brentwood, CA 94513
(925) 392-8365
jackstoneinsurance.com
Sandy Shane - State Farm Insurance Agent
160 B Guthrie Ln Ste 14, Brentwood, CA 94513
(925) 462-4030
sandytheagent.com
Edward Dutra Insurance
8425 Brentwood Blvd b6, Brentwood, CA 94513
(925) 634-1194
edwarddutrainsurance.com
Brooks Commercial Insurance Services
50 Sand Creek Rd Suite #306, Brentwood, CA 94513
(925) 418-4643
brookscis.com
AdvoCare Insurance Services
3291 Walnut Blvd Ste 170, Brentwood, CA 94513
(925) 513-7778
Rich McDaniel - Mutual of Omaha Advisor
1181 Central Blvd Ste D, Brentwood, CA 94513
(925) 626-7334
agents.mutualofomaha.com
Cypress insurance
8340 Brentwood Blvd, Brentwood, CA 94513
(408) 377-5900
cypressins.com
Cosgrove Insurance Agency
1210 Central Blvd ste 108, Brentwood, CA 94513
(925) 308-4180
dcosgroveinsurance.com
Essential Exchange Insurance Services
1145 2nd St A-269, Brentwood, CA 94513
(925) 984-5400
cathylittleinsurance.com
What Does a Supplemental Insurance Agent in Brentwood Cost?
Supplemental insurance agent services in California are typically commission-based, meaning you do not pay a separate fee for their help. Medigap plan premiums vary widely by carrier and plan type, ranging from about 100 to 400 dollars per month for a 65-year-old in Brentwood. Costs depend on your age, gender, location, and the specific plan benefits. This is general information, not insurance advice.
* Cost estimates are general ranges based on publicly available data and compiled using automated research tools. Actual fees vary by agent and case complexity. This is not insurance advice — consult directly with an agent for fee specifics.
Frequently Asked Questions
What is a supplemental insurance agent in Brentwood?
A supplemental insurance agent in Brentwood is a licensed professional who helps you find and enroll in Medicare Supplement plans or other gap coverage. They work with multiple carriers to compare plans and costs for your situation.
When can I enroll in a Medigap plan in California?
In California, you have a six-month Medigap open enrollment period starting the month you turn 65 and enroll in Medicare Part B. During this time you cannot be denied coverage based on health conditions. Outside this window you may face medical underwriting.
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BeforeInsuranceUSA.com is not an insurance agency, agent referral service, or insurance advice provider. No agent-client relationship is formed by submitting a form or using this site. We do not endorse, recommend, or vouch for the qualifications of any agent. Past results do not guarantee future outcomes. Each situation is different. Verify agent credentials with your state department of insurance before hiring.
About Our Listings
Agents listed on BeforeInsuranceUSA.com are compiled from publicly available directories, state department of insurance records, and business listings. Inclusion does not constitute endorsement. We do not verify agent licensing, disciplinary status, or qualifications. Verify each agent's current standing with the Department of Insurance of California.