ADVERTISING DISCLOSURE: BeforeInsuranceUSA.com is an informational directory, not an insurance agency, broker, or licensed producer. We do not sell insurance or provide insurance advice. No agent-client relationship is created by using this site. Except where a listing is clearly marked Featured, no agent listed on this site has paid for their listing. Featured listings are paid advertisements. This is an advertisement.

Find Supplemental Insurance Agents Near You in Walnut Creek, CA

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

The top-rated supplemental insurance agent in Walnut Creek, California is BizInsure LLC, rated 4.8 stars across 763 reviews. Other highly rated options include Chris Martinez - State Farm Insurance Agent, Sallie Severns - State Farm Insurance Agent, Diablo Valley Insurance Agency, Inc.. This directory lists 18 supplemental insurance agents serving Walnut Creek.

Showing 18 supplemental insurance agents in Walnut Creek, CAListings are displayed in no particular order and are not ranked. Order does not constitute a recommendation or endorsement.

Comparison

Top 10 listings
#NameAddressPhone
1BizInsure LLC2950 Buskirk Ave Suite 300(877) 900-9998
2Chris Martinez - State Farm Insurance Agent1801 Oakland Blvd Suite 360(925) 266-8997
3Sallie Severns - State Farm Insurance Agent1717 N California Blvd # 2D(925) 945-1541
4Diablo Valley Insurance Agency, Inc.185 Lennon Ln Suite 200(925) 210-1717
5CalHealthAgent2140 Carrol Rd(925) 939-7963
6Sagacious Insurance Services, Inc800 S Broadway #101(888) 654-8884
7J.R. Hillman & Co. Commercial Insurance Brokers2678 N Main St #7(925) 421-2666
8TWFG Larson Family Insurance Brokers3860, 675 Ygnacio Valley Rd # B215(925) 415-5097
9Heffernan Insurance Brokers1350 Carlback Ave(800) 234-6787
10Ryan Hayes Insurance Brokerage1766 Lacassie Ave #103(925) 478-5903
BI
2950 Buskirk Ave Suite 300
BizInsure LLC
Supplemental Insurance Agent · Walnut Creek, CA

BizInsure LLC serves clients throughout Contra Costa County and the greater Walnut Creek area as a supplemental insurance agent. The company works with individuals seeking coverage that fills gaps in primary health plans, such as accident, critical illness, and hospital indemnity policies. Its services also help policyholders manage out-of-pocket costs during medical events. BizInsure LLC frequently assists area residents with dental and vision insurance plans that provide routine care and major procedure support.

CM
1801 Oakland Blvd Suite 360
Chris Martinez - State Farm Insurance Agent
Supplemental Insurance Agent · Walnut Creek, CA

Chris Martinez - State Farm Insurance Agent in Walnut Creek, CA offers a range of supplemental insurance products designed to cover gaps in primary health coverage. Services include accident, critical illness, and hospital indemnity plans that provide direct cash benefits. Policyholders can work with the agent to tailor coverage during periodic reviews or when life changes occur. The office supports claims filing and plan adjustments. This agency serves single-family homes, apartments, retail establishments, and restaurants.

SS
1717 N California Blvd # 2D
Sallie Severns - State Farm Insurance Agent
Supplemental Insurance Agent · Walnut Creek, CA

Homeowners and property managers in Walnut Creek working with a supplemental insurance agent can review specialized coverage options tailored to fill gaps left by standard policies. Saffie Severns handles products such as accident, critical illness, and hospital indemnity plans for individuals and families. This local agency focuses on explaining how extra protection supports financial stability during unexpected health events. The office also assists clients throughout Concord, offering the same supplemental insurance guidance to residents in that nearby community.

DV
185 Lennon Ln Suite 200
Diablo Valley Insurance Agency, Inc.
Supplemental Insurance Agent · Walnut Creek, CA

Diablo Valley Insurance Agency, Inc. serves Walnut Creek and the surrounding communities of Contra Costa County, handling supplemental insurance policies for individuals seeking to cover gaps in their primary health or Medicare plans. The agency focuses on options like accident, critical illness, and hospital indemnity coverage. To handle a typical job, it first reviews a client’s current coverage to identify potential shortfalls, then presents tailored plan choices that fit both medical needs and household budget constraints.

CA
2140 Carrol Rd
CalHealthAgent
Supplemental Insurance Agent · Walnut Creek, CA

CalHealthAgent in Walnut Creek assists clients with supplemental insurance policies, distinguishing between one-time offerings such as accident or critical illness plans and recurring services like Medicare supplement renewals. These coverages address gaps left by major medical insurance, protecting against out-of-pocket costs including deductibles and copayments. Service is provided on an as-needed basis, ensuring clients can request assistance with policy changes, claims questions, or plan comparisons whenever convenient for them.

SI
800 S Broadway #101
Sagacious Insurance Services, Inc
Supplemental Insurance Agent · Walnut Creek, CA

Sagacious Insurance Services, Inc. specializes in helping clients navigate supplemental insurance options to fill the gaps left by primary health plans. Based in Walnut Creek, the agency provides guidance on policies that cover deductibles, copayments, and other out-of-pocket medical costs. This service allows residents to protect their finances against unexpected healthcare expenses. As open enrollment periods approach each year, the agent assists individuals in reviewing their current coverage to ensure it still addresses their changing needs during flu season or planned procedures.

JR
2678 N Main St #7
J.R. Hillman & Co. Commercial Insurance Brokers
Supplemental Insurance Agent · Walnut Creek, CA

J.R. Hillman & Co. Commercial Insurance Brokers in Walnut Creek, California, provides general business insurance and specializes in supplemental coverage plans that fill gaps left by primary policies. These supplemental insurance agents help local businesses manage deductibles, exclusions, or coverage limits with additional policies tailored to specific operational risks. The firm serves a range of commercial sectors, including offices, warehouses, and food service establishments.

TL
3860, 675 Ygnacio Valley Rd # B215
TWFG Larson Family Insurance Brokers
Supplemental Insurance Agent · Walnut Creek, CA

As the seasons shift and residents of Walnut Creek review their changing health and property needs, supplemental insurance becomes a practical consideration for managing uncovered gaps. TWFG Larson Family Insurance Brokers works as a supplemental insurance agent, arranging policies that help cover deductibles, co-pays, or accident-related costs. Their process begins with a straightforward initial consultation to examine each client’s existing coverage points and identify where extra protection might fit. A simple in-person or phone assessment typically starts this evaluation to clarify those potential gaps in standard plans.

HI
1350 Carlback Ave
Heffernan Insurance Brokers
Supplemental Insurance Agent · Walnut Creek, CA

Heffernan Insurance Brokers, located in Walnut Creek, CA, provides residential supplemental insurance services to address gaps in primary health and disability coverage. The agency also supplies commercial supplemental plans for area businesses, serving clients throughout the broader Walnut Creek region. Supplemental insurance agents assist with hospital indemnity, accident, and critical illness policies that pay out cash benefits directly. Heffernan Insurance Brokers general operations include policy reviews prior to each new enrollment period and following up with clients on any claims between regular visits.

RH
1766 Lacassie Ave #103
Ryan Hayes Insurance Brokerage
Supplemental Insurance Agent · Walnut Creek, CA

Ryan Hayes Insurance Brokerage in Walnut Creek, CA, serves as a supplemental insurance agent known for offering private coverage options that fill gaps left by major medical plans. The company helps local residents access policies for dental, vision, critical illness, accident, and hospital indemnity benefits. These extras can reduce out-of-pocket costs during unexpected health events. As a longtime fixture of the Walnut Creek community, the brokerage also specializes in securing Medicare supplement plans for individuals over sixty-five.

CI
1981 N Broadway suite 255
CF&P Insurance Brokers
Supplemental Insurance Agent · Walnut Creek, CA
(925) 956-7700
cfpinsurance.com
KJ
1255 Treat Blvd # 1000
Kelly Jay
Supplemental Insurance Agent · Walnut Creek, CA
(805) 977-6317
SI
1600 Riviera Ave STE 385
Standard Insurance Co
Supplemental Insurance Agent · Walnut Creek, CA
(925) 574-6474
standard.com
RL
1233 Alpine Rd #200
R L Milsner Inc
Supplemental Insurance Agent · Walnut Creek, CA
(925) 932-0424
rlmilsner.com
HI
2950 Buskirk Ave Suite 300
Hometown Insurance Agency
Supplemental Insurance Agent · Walnut Creek, CA
(925) 303-5615
hometowninsuranceca.com
MM
1255 Treat Blvd Suite 950
Marsh & McLennan Agency
Supplemental Insurance Agent · Walnut Creek, CA
(925) 482-9300
mma-west.com
AS
1919 Cannon Pl #2234
ana salinas care services
Supplemental Insurance Agent · Walnut Creek, CA
(925) 766-2042
SI
1547 Palos Verdes Mall #212
Santoro Insurance Services
Supplemental Insurance Agent · Walnut Creek, CA
(925) 482-0402
santoroinsuranceservices.com

What Does a a Supplemental Insurance Agent in Walnut Creek Cost?

Supplemental insurance costs in California vary by plan type age and health status. Medicare Supplement Plan G premiums for a 65-year-old in Walnut Creek typically range from 120 to 250 dollars per month. Dental and vision supplemental plans often cost 30 to 80 dollars per month. This is general information and not insurance advice.

About supplemental insurance agents in Walnut Creek

Supplemental insurance agents in Walnut Creek help residents find policies that cover gaps in Medicare or employer health plans. California state law requires agents to be licensed by the California Department of Insurance. Many Walnut Creek agents specialize in Medicare Supplement plans which must follow federal and state guidelines for standardized benefits.

Frequently Asked Questions

What does a supplemental insurance agent in Walnut Creek do?

A supplemental insurance agent helps you compare and enroll in policies like Medicare Supplement Medigap plans dental or vision coverage. They explain how these plans work with your primary insurance and assist with the application process.

Is there a time limit to enroll in a Medicare Supplement plan in California?

Yes. In California you have a six-month Medigap open enrollment period that starts when you are both 65 or older and enrolled in Medicare Part B. During this time you can buy any Medigap policy without medical underwriting.

Do I need a license to sell supplemental insurance in California?

Yes. All insurance agents in California must hold a valid license from the California Department of Insurance. They must also complete continuing education courses to maintain their license.

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.