Diamond Bar has 53,355 residents in 18,005 households. We list 16 insurance agencies in Diamond Bar. Here is what the local numbers say about the cover people here need.

Diamond Bar at a glance

16insurance agencies listed
22.7%of households rentRenters insurance
$902,200median home valueHome insurance
1980median year homes were builtRebuild cost calculator
2.4%of households have no carAuto insurance

Population and housing figures: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates. Agency count: our listings.

Natural hazard risk in Los Angeles County

FEMA rates the overall natural hazard risk in Los Angeles County, where most Diamond Bar agencies we list are located, as Very High compared with other U.S. counties. The hazards it rates highest:

Inland floodingVery High
Most home and renters policies do not cover flood damage. Flood cover is a separate policy, from the National Flood Insurance Program or a private insurer, and an NFIP policy usually starts 30 days after you buy it.
Flood insurance in California
EarthquakeVery High
Standard home policies do not cover earthquake damage. It is bought as a separate policy or added to a home policy.
Earthquake insurance
WildfireVery High
Fire is a standard cause of loss on home policies. In high-risk areas, check that the dwelling limit would rebuild the home at today’s costs.
Home insurance in California
LightningVery High
Fire and lightning are standard covered causes of loss on home policies.
Home insurance in California
TornadoRelatively High
Tornado damage is wind damage. Ask whether a policy includes windstorm cover and what its wind deductible is.
Home insurance in California

Source: FEMA National Risk Index, December 2025 release. Ratings compare each county with all other U.S. counties.

Insurance companies Diamond Bar agencies work with

Of the 10 Diamond Bar agencies whose appointments we hold, how many are appointed with each company. An appointed agency can quote and sell that company’s policies.

UnitedHealthcare4 agencies
National Pacific Dental,3 agencies
PACIFICARE LIFE AND HEALTH INSURANCE COMPANY3 agencies
AmTrust2 agencies
Dearborn Life Insurance Company2 agencies
Metropolitan Life Insurance Company2 agencies
Ameritas Life Insurance1 agency
Annuity carrier1 agency
Blue Cross Blue Shield1 agency
Centene1 agency

Source: insurance company appointments in state records, as listed on each agency’s profile.

What Diamond Bar agencies can write

Share of the 16 agencies listed in Diamond Bar that are appointed with at least one insurance company writing each type, or that name it on their own website.

Source: our listings. Appointment with a company that writes a type does not guarantee an agency sells it today.

Questions

Insurance agencies in Diamond Bar

How do I find an insurance agency in Diamond Bar?

Browse the agencies on this page, search by name, or pick the insurance you need in the filters to see only the agencies that offer it.

What insurance can I get from agencies in Diamond Bar?

Most often life, health, accident & health, boat, auto. Pick a type in the filters to narrow the list.

Which insurance companies do Diamond Bar agencies work with?

Among the 10 Diamond Bar agencies whose appointments we hold, the companies they are most often appointed with are UnitedHealthcare (4), National Pacific Dental, (3), PACIFICARE LIFE AND HEALTH INSURANCE COMPANY (3), AmTrust (2), Dearborn Life Insurance Company (2). An appointed agency can quote that company's policies.

Do I need flood insurance in Diamond Bar?

FEMA's National Risk Index rates inland flooding risk in Los Angeles County as Very High compared with other U.S. counties. Most home and renters policies do not cover flood damage. Flood cover is a separate policy, from the National Flood Insurance Program or a private insurer, and an NFIP policy usually starts 30 days after you buy it.

Do I need renters insurance in Diamond Bar?

22.7% of households in Diamond Bar rent, according to the Census Bureau's American Community Survey. A landlord's policy covers the building, not your belongings or your liability; renters insurance covers those.

How do I choose an agency?

Call two or three. Ask which companies they can quote for you, how they handle claims, and who you will deal with after you buy. An independent agency can compare several insurers in one call.

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