California Wildfire Discount Comparison

Side-by-side comparison of all 26 California insurers' wildfire mitigation discount programs. Data sourced from CDI rate filings and insurer program documentation.

Spray System Discount: Only Chubb Has a Filed Discount

Among all major California carriers, Chubb is the only insurer with a named, filed discount for a homeowner-installed exterior wildfire spray/sprinkler system (under their Superior Protection Discount). Other carriers may deploy their own wildfire defense services during active fires — but these are service benefits, not discounts for homeowner-installed systems. This is a critical distinction when evaluating spray system ROI.

InsurerMax DiscountDiscount BasisZone Zero
Spray Discount
IBHS
Defense ServiceTiersCA Market ShareDetails
ST
State Farm
7%Full premium
Required
Per-measure21.22%
FA
Farmers
Wildfire portion
Required
Wildfire Mitigation Response Service (insurer-contracted)
Per-measure14.9%
AA
AAA / CSAA
12.5%Wildfire portion
Required
Per-measure6.87%
AL
Allstate
Wildfire portion
Required
Per-measure6.07%
ME
Mercury
45%Wildfire portion
Required
3 tiers6.08%
US
USAA
Full premium
Required
RedZone
Per-measure5.68%
TR
Travelers
Wildfire portion
Required
Wildfire Defense Systems (WDS)
Per-measure4.22%
CH
Chubb
High-Value
20%Full premium
Required
Yes
Wildfire Defense Systems (WDS)
Per-measure2.26%
CA
CA FAIR Plan
State Plan
16.4%Wildfire portion
Required
Per-measure3.1%
SA
Safeco
Wildfire portion
Required
Wildfire Defense Systems (WDS)
Per-measure
AM
AmFam
Wildfire portion
Required
Wildfire Defense Systems (WDS)
Per-measure
NA
Nationwide
Wildfire portion
Required
Per-measure
LI
Liberty Mutual
Wildfire portion
Required
Wildfire Defense Systems (WDS)
Per-measure
HO
Homesite
35%Wildfire portion
Required
Wildfire Defense Systems
Per-measure
WA
Wawanesa
Wildfire portion
Required
Per-measure
KI
Kin
Wildfire portion
Required
Private fire crews (insurer-dispatched)
Per-measure
AM
Amica
Wildfire portion
Required
Per-measure
BA
Bamboo
Wildfire portion
Required
Per-measure
HI
Hippo
21%Wildfire portion
Required
Per-measure
TH
The Hartford
Wildfire portionOptionalPer-measure
KE
Kemper
Wildfire portionOptionalPer-measure
TO
Tokio Marine
Wildfire portionOptionalPer-measure
LE
Lemonade
Wildfire portion
Required
Per-measure
PR
Progressive
Wildfire portion
Required
Per-measure
WO
WOWS
Wildfire portionOptionalPer-measure
PU
PURE
Full premiumOptional
Capstone Fire Safety & Safety Management (wildfire partner); RedZone (program management/coordination). Capstone has 20+ years of experience in wildland areas. Source: pureinsurance.com/members/loss-prevention/wildfire
Per-measure
AI
AIG PCG
Full premiumOptional
AIG Private Client Group deploys its own Wildfire Protection Unit (WPU) specialists — staffed by AIG
Per-measure

Measure Coverage Matrix

Which insurers recognize each key mitigation measure for a discount.

Mitigation Measure
ST
FA
AA
AL
ME
US
TR
CH
CA
SA
AM
NA
LI
HO
WA
KI
AM
BA
HI
TH
KE
TO
LE
PR
WO
PU
AI
Zone Zero (5 ft)
Class A Roof
Ember-Resistant Vents
Enclosed Eaves
Multi-Pane Windows
IBHS Designation
Installed Spray System
Firewise Community

Average Discount by Measure (CDI Data)

Average discounts across all carriers that recognize each measure. Source: RFF Working Paper 25-30 (December 2025).

IBHS Wildfire Prepared Home Plus9.61%
avg. of wildfire premium portion
Zone Zero
Firewise USA Community6.26%
avg. of wildfire premium portion
IBHS Wildfire Prepared Home Base6.19%
avg. of wildfire premium portion
Zone Zero
Class A Roof1.05%
avg. of wildfire premium portion
Full Defensible Space (PRC 4291)0.97%
avg. of wildfire premium portion
No Combustible Outbuildings (30 ft)0.73%
avg. of wildfire premium portion
Clear Under Decks0.72%
avg. of wildfire premium portion
Zone Zero
5-Ft Zone Zero Clearance0.72%
avg. of wildfire premium portion
Zone Zero
Metal/Masonry Fencing at Zone Zero0.72%
avg. of wildfire premium portion
Zone Zero
Ember-Resistant Vents0.67%
avg. of wildfire premium portion
Fire Risk Reduction Community0.56%
avg. of wildfire premium portion
Multi-Pane / Tempered Windows0.56%
avg. of wildfire premium portion
Enclosed Eaves0.55%
avg. of wildfire premium portion
6-Inch Wall Base Clearance0.53%
avg. of wildfire premium portion
Zone Zero

Data Sources: California Department of Insurance (CDI) rate filings under 10 CCR § 2644.9; RFF Working Paper 25-30 "From Risk to Reward: Insurance Discounts for Wildfire Mitigation" (December 2025); California FAIR Plan discount schedule (November 2025); Mercury Insurance wildfire mitigation program page; AAA/CSAA My Home Hardening program (October 2025); Chubb California Masterpiece discount schedule; Travelers April 2026 expansion announcement; Insurance Journal; insurance.com wildfire defense services comparison. Last updated May 2026.