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Find Supplemental Insurance Agents Near You in Brentwood, CA

Browse supplemental insurance agents serving Brentwood, California. Updated 2026-07-14.

The top-rated supplemental insurance agent in Brentwood, California is Julio Martinez - State Farm Insurance Agent, rated 5.0 stars across 269 reviews. Other highly rated options include Ross Lopez - State Farm Insurance Agent, Terry Nguyen - State Farm Insurance Agent, Farmers Insurance - Raul Diaz. This directory lists 21 supplemental insurance agents serving Brentwood.

Showing 21 supplemental insurance agents in Brentwood, CAListings are displayed in no particular order and are not ranked. Order does not constitute a recommendation or endorsement.

Comparison

Top 10 listings
#NameAddressPhone
1Julio Martinez - State Farm Insurance Agent2200 Sand Creek Rd ste d(925) 432-2129
2Ross Lopez - State Farm Insurance Agent71 K, Sand Creek Rd(925) 634-0330
3Terry Nguyen - State Farm Insurance Agent1120 2nd St #107(925) 513-1200
4Farmers Insurance - Raul Diaz9030 Brentwood Blvd STE H(925) 679-2300
5Jose Martinez - State Farm Insurance Agent2200 Sand Creek Rd Ste D(925) 634-2333
6Zeigler Insurance1300 Central Blvd Ste B(925) 634-1240
7Mark Murray - State Farm Insurance Agent4431 Balfour Rd C(925) 392-3228
8Circadian Insurance Brokers8440 Brentwood Blvd suite h(925) 417-8500
9Stephanie Loureiro: Allstate Insurance613 1st St Ste 203(925) 634-1234
10Farmers Insurance - EJ Paje191 Sand Creek Rd Suite 202B(650) 897-5540
JM
2200 Sand Creek Rd ste d
Julio Martinez - State Farm Insurance Agent
Supplemental Insurance Agent · Brentwood, CA

Julio Martinez - State Farm Insurance Agent serves the Brentwood, California area as a supplemental insurance agent. The company offers policies designed to cover gaps left by primary health or life plans. Supplemental health insurance provides support for out-of-pocket medical expenses not fully covered by major medical policies. Life insurance products offer financial protection for families after an insured individual passes away. Accident and critical illness policies help policyholders manage costs related to unexpected medical events. This agency handles both life insurance and supplemental health insurance plans locally.

RL
71 K, Sand Creek Rd
Ross Lopez - State Farm Insurance Agent
Supplemental Insurance Agent · Brentwood, CA

Located in Brentwood, California, Ross Lopez - State Farm Insurance Agent offers supplemental insurance coverage designed to fill gaps left by primary health or life policies. Its service approach focuses on explaining policy options clearly and assisting clients with claims or policy adjustments as needs change. Regular plan reviews help customers understand how their coverage aligns with life events. The agency serves a variety of property types, including single-family homes, apartments, retail spaces, and restaurants in the local area.

TN
1120 2nd St #107
Terry Nguyen - State Farm Insurance Agent
Supplemental Insurance Agent · Brentwood, CA

Terry Nguyen, a supplemental insurance agent in Brentwood, CA, distinguishes between one-time service options for a single policy purchase and recurring service options that provide ongoing policy reviews and adjustments. Coverage focuses on filling gaps left by major medical plans, such as those for accidents or critical illnesses. Local clients can discuss their individual needs to determine the most suitable approach. Service runs on a scheduled or as-needed basis, depending on the client's chosen plan and evolving circumstances.

FI
9030 Brentwood Blvd STE H
Farmers Insurance - Raul Diaz
Supplemental Insurance Agent · Brentwood, CA

Farmers Insurance - Raul Diaz serves homeowners and property managers in Brentwood who need additional coverage beyond standard policies. As a supplemental insurance agent, this office helps clients protect against gaps in their existing plans, offering tailored options for liabilities or high-value assets that typical home insurance may overlook. The agent provides local guidance on available coverage enhancements, addressing specific risks common to the area. Residents of Antioch and other nearby East Bay communities also receive personalized assistance through this conveniently located agency.

JM
2200 Sand Creek Rd Ste D
Jose Martinez - State Farm Insurance Agent
Supplemental Insurance Agent · Brentwood, CA

Jose Martinez - State Farm Insurance Agent serves Brentwood, California, and the surrounding East Bay communities. This agency handles supplemental insurance policies designed to cover gaps left by standard health or life plans. Supplemental insurance agents in this area typically address unexpected medical costs, accident recovery, or critical illness events. The office maintains a straightforward process by first assessing a client’s existing coverage and then explaining how an additional policy could provide extra financial protection for specific situations.

ZI
1300 Central Blvd Ste B
Zeigler Insurance
Supplemental Insurance Agent · Brentwood, CA

Zeigler Insurance offers specialized supplemental insurance policies that cover gaps left by primary health plans in Brentwood, California. Its general service work helps residents manage out-of-pocket expenses from deductibles, copays, and non-covered treatments. These plans provide predictable financial support for unexpected medical events. As the winter season increases risks of flu and respiratory infections, the agency assists clients in securing coverage to reduce potential healthcare costs during this period of higher medical need.

MM
4431 Balfour Rd C
Mark Murray - State Farm Insurance Agent
Supplemental Insurance Agent · Brentwood, CA

With the unpredictable weather patterns common in Brentwood, many residents look for extra financial protection beyond standard health plans. Mark Murray - State Farm Insurance Agent provides supplemental insurance options to help fill coverage gaps that arise from unexpected medical events or accidents. This local agency explains how critical illness or accident policies can support household budgets during recovery periods. New clients typically begin with a no-obligation review, where their existing coverage is assessed against their current life situation.

CI
8440 Brentwood Blvd suite h
Circadian Insurance Brokers
Supplemental Insurance Agent · Brentwood, CA

Circadian Insurance Brokers in Brentwood, CA assists residents with their supplemental insurance needs, covering gaps left by primary health policies. The agency also provides commercial supplemental coverage for local small-business owners. Their service area extends throughout Brentwood and the surrounding Contra Costa County communities. Clients appreciate their clear explanations of plan options and the straightforward enrollment process. Between regular policy check-ins, the agents follow up to coordinate any necessary claims adjustments, ensuring continued support without requiring a separate visit to the office.

SL
613 1st St Ste 203
Stephanie Loureiro: Allstate Insurance
Supplemental Insurance Agent · Brentwood, CA

Stephanie Loureiro Allstate Insurance provides essential supplemental insurance coverage to individuals and businesses in the Brentwood area. These policies help fill gaps left by standard health or life plans, offering financial support for unexpected medical costs, accidents, or critical illness events. The agency specializes in customizable add-ons such as accident, hospital indemnity, and cancer insurance. Clients can arrange policies suited for various commercial settings, including professional offices, warehouses, and food service operations.

FI
191 Sand Creek Rd Suite 202B
Farmers Insurance - EJ Paje
Supplemental Insurance Agent · Brentwood, CA

Farmers Insurance - EJ Paje in Brentwood, CA, is known as a local provider of supplemental insurance agent services. These agents help clients fill gaps left by major medical plans, often covering costs for accidents, critical illnesses, or hospital stays. The company offers a range of supplemental products designed to offer financial protection for unexpected health events. As a specialty service, it can add on a hospital indemnity plan that pays a fixed cash benefit directly to the policyholder during a covered hospital stay.

JS
144 Continente Ave #210
Jack Stone Insurance Agency Inc
Supplemental Insurance Agent · Brentwood, CA
(925) 392-8365
jackstoneinsurance.com
SS
160 B Guthrie Ln Ste 14
Sandy Shane - State Farm Insurance Agent
Supplemental Insurance Agent · Brentwood, CA
(925) 462-4030
sandytheagent.com
BS
380 W Country Club Dr suite c
Beeson's Boutique Insurance Agency: Allstate Insurance
Supplemental Insurance Agent · Brentwood, CA
(925) 838-5400
agents.allstate.com/beesons-boutique-insurance-agency-brentwood-ca.html
ED
8425 Brentwood Blvd b6
Edward Dutra Insurance
Supplemental Insurance Agent · Brentwood, CA
(925) 634-1194
edwarddutrainsurance.com
BC
50 Sand Creek Rd Suite #306
Brooks Commercial Insurance Services
Supplemental Insurance Agent · Brentwood, CA
(925) 418-4643
brookscis.com
AI
3291 Walnut Blvd Ste 170
AdvoCare Insurance Services
Supplemental Insurance Agent · Brentwood, CA
(925) 513-7778
RM
1181 Central Blvd Ste D
Rich McDaniel - Mutual of Omaha Advisor
Supplemental Insurance Agent · Brentwood, CA
(925) 626-7334
agents.mutualofomaha.com/agents/ca/brentwood/rich-mcdaniel
CI
8340 Brentwood Blvd
Cypress insurance
Supplemental Insurance Agent · Brentwood, CA
(408) 377-5900
cypressins.com
CI
1210 Central Blvd ste 108
Cosgrove Insurance Agency
Supplemental Insurance Agent · Brentwood, CA
(925) 308-4180
dcosgroveinsurance.com
EE
1145 2nd St A-269
Essential Exchange Insurance Services
Supplemental Insurance Agent · Brentwood, CA
(925) 984-5400
cathylittleinsurance.com
EC
6041 Lone Tree Wy Suite B
East County Insurance Agency
Supplemental Insurance Agent · Brentwood, CA
(925) 757-4208
mercuryinsurance.com/agents/california/east-county-insurance-agency-inc-044765.html

What Does a 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.

About supplemental insurance agents in Brentwood

Supplemental insurance agents in Brentwood, California help residents choose Medigap or Medicare Supplement plans that fill gaps in Original Medicare. California law requires agents to provide a standardized plan comparison and disclose commission details. Local agents understand the Contra Costa County healthcare market and can guide you through the annual open enrollment period.

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.

How do I choose a supplemental insurance agent in Brentwood?

Look for an agent licensed in California with experience in Medicare Supplement plans. Ask about their carrier options and whether they offer plan comparisons. Verify their license through the California Department of Insurance website.

Supplemental Insurance Agents in Other California Cities

Listings are compiled from publicly available information. Inclusion does not constitute endorsement. Verify each supplemental insurance agent's credentials and current standing with your state Department of Insurance.