California · Contra Costa County

Home insurance in Contra Costa County — cost and availability

In Contra Costa County, California, the median filed homeowners premium is $1,299/yr for a $625,000 dwelling (CDI §12959, effective 2026-05-01); the middle 50% runs $954–$1,882, and the lowest filed premium is $450 from US Coastal P&C Ins Co (DBA Pacific Coastal P&C).

Average home insurance cost in Contra Costa County

ACTUAL
$1,299
Median filed premium / yr
$954–$1,882
Middle 50% of carriers
$450
Lowest filed
37
Carriers surveyed

Lowest filed premium from US Coastal P&C Ins Co (DBA Pacific Coastal P&C). Source: CDI Homeowners Comparison Tool (§12959), $625,000 dwelling, $1,000 deductible, effective 2026-05-01. Estimates, not quotes.

All filed premiums

ACTUAL
All 37 filed premiums for Contra Costa County
US Coastal P&C Ins Co (DBA Pacific Coastal P&C)$450
Universal N Amer (DBA One Alliance N Amer Ins Co)$774
Stillwater Ins Co$795
Spinnaker Ins Co$860
Stillwater Prop & Cas Co$881
Zurich American Ins Co$890
Armed Forces Ins Exch$924
Nationwide Mutual Ins Co$983
Homesite Ins Co of the Midwest$1,073
Residence Mutual Ins Co (Western Mutual Group)$1,225
Integon National Ins Co$1,231
Incline Cas Co$1,240
Obsidian Pacific Ins Co$1,240
Sutton National Ins Co$1,240
ASI Select Ins Corp$1,299
General Ins Co of Amer$1,311
California Capital Ins Co (Auto Owners Group)$1,319
Safeco Ins Co of America (Safeco Group)$1,507
MAPFRE Ins Co$1,515
Metromile Ins Co$1,524
DB Ins Co. LTD (U.S. Branch)$1,635
Wawanesa General Ins Co$1,748
California Cas Indemnity Exch$1,910
Aegis Security Ins Co$2,019
Amica Mutual Ins Co$2,164
Grange Ins Association$2,541
Privilege Underwriters Reciprocal Exch (PURE)$3,029

CDI §12959 premium survey, $625,000 dwelling profile; filed premiums effective May 1, 2026. Filed rates are not quotes.

FAIR Plan penetration — Contra Costa County

ACTUAL
12,837
FAIR policies (FY2025)
3.0%
Share of housing stock
+96%
Year-over-year
11.7×
Since FY2021
FY2021 → FY2025

FAIR Plan policies in force vs Census housing units. Source: California FAIR Plan (cfpnet) + Census ACS B25001. There is no ZIP-level premium — this measures market retreat, not price.

FAIR + DIC vs a standard policy — Contra Costa County

Standard (admitted)

ACTUAL
$1,299
Median filed / yr

Middle 50%: $954–$1,882. CDI §12959 filed, $625k profile.

FAIR Plan + DIC

FAIR ACTUAL · DIC ILLUSTRATIVE
$4,236
FAIR Plan / yr (fire-only) — actual, Mar 2026
$600–$1,400
+ DIC wrap / yr — illustrative

Combined ≈ $4,836–$5,636 / yr (contains an illustrative DIC estimate).

CoverageStandardFAIR aloneFAIR + DIC
Fire / smoke✓✓✓
Liability✓—✓
Water damage✓—✓
Theft✓—✓

The FAIR Plan covers fire only; a DIC policy adds liability, water, and theft. DIC pricing is not publicly filed, so the DIC figure is an illustrative range, not a quote. Coverage rows from the California FAIR Plan / DIC channel descriptions. We refer to licensed brokers and never bind coverage.

Share or save this estimate

Send this estimate to your broker

The link carries only coarse, non-identifying inputs (such as county, coverage amount or policy dates) — never your name, address or contact details. Your email app opens with no recipient; you choose who receives it.

Know a neighbor who was non-renewed?

Wildfire risk score in Contra Costa County

About 3.0% of Contra CostaCounty's housing stock was on the FAIR Plan — California's insurer of last resort for wildfire risk — in FY2025 (11.7× the FY2021 level). Higher FAIR Plan penetration tracks areas admitted carriers consider higher wildfire hazard. For a parcel-level estimate, use the wildfire risk score by address tool.

FAIR Plan policies in force, FY2021–FY2025 (actual)

Who writes here

COUNTY-LEVEL ESTIMATE

Modeled appetite for a typical owner-occupied home in Contra Costa County, ranked by tier. COUNTY HAZARD PROXY: VERY HIGH Appetite varies by address and wildfire risk — check a specific address.

Possible

TravelersopenSIS

With membership

USAAopenSISMilitary community membership required
California CasualtyopenSISAffinity groups: educators, first responders, nurses, public employees
Horace MannopenSISEducators and school employees

Unlikely

Chubblimited
AllstatereenteringSIS

Not writing

Modeled from statewide carrier posture × this county's FAIR-Plan penetration (public data). A specific address may score differently — check yours.

Frequently asked

What is the average home insurance cost in Contra Costa County?

The median filed homeowners premium is $1,299/yr for a $625,000 dwelling (California Department of Insurance §12959, effective May 1 2026); the middle 50% of carriers runs $954–$1,882.

How much is the FAIR Plan in Contra Costa County?

About $4,236/yr on average for an owner-occupied home (fire-only; California FAIR Plan, March 2026). It excludes liability and water damage — a separate DIC policy adds those.

How many homes use the FAIR Plan in Contra Costa County?

12,837 policies were in force in FY2025, about 3.0% of the county's housing stock.

Which insurers still write in Contra Costa County?

Several admitted carriers committed to California's Sustainable Insurance Strategy continue to write, including Farmers, Mercury, CSAA, USAA, and Travelers. Availability is an estimate that varies by address and wildfire risk — check a specific address on the map.

Next step

Check your exact address and see the FAIR Plan + DIC fallback. When you’re ready to shop, a licensed California broker can compare carriers for you. We provide estimates only — never quotes.

Check your address or find consumer help from the California Department of Insurance

Related counties