Wildfire Risk in Orinda.
Orinda is almost entirely surrounded by wildland, with the EBMUD watershed, Tilden and Briones regional parks, and the Berkeley-Oakland ridgeline forming its western and northern edges. CAL FIRE designates nearly all of the Orinda hills as Very High Fire Hazard Severity Zone. The community lies directly east of the 1991 East Bay Hills firestorm origin, and the same wind-driven terrain that fed that fire still defines Orinda's risk today.
Orinda at a Glance
Insurance Alert
Orinda hillside homes commonly range from $2M to $6M+. Canyon and watershed-adjacent properties see high non-renewal rates. Many homeowners rely on FAIR Plan coverage with supplemental DIC policies.
Historical Fire Record
The terrain and vegetation that define Orinda have fueled fires here for over a century.
Tunnel (East Bay Hills) Firestorm
Ignited in the hills on Orinda's western doorstep and swept into Oakland and Berkeley, destroying more than 2,800 homes and killing 25 people.
SCU Lightning Complex
Burned in the Diablo Range to the east, blanketing the Lamorinda area in smoke and prompting regional preparedness alerts.
Why Orinda Faces Elevated Risk
Surrounded by Open Space
EBMUD watershed lands, Tilden, and Briones wrap the community in continuous wildland fuel on nearly every side.
Steep Canyon Roads
Many Orinda neighborhoods are served by narrow, single-access roads where evacuation and fire apparatus compete for the same path.
Ridgeline Wind Exposure
The Berkeley-Oakland ridge funnels Diablo winds across Orinda, the exact conditions that drove the 1991 firestorm.
Sources: CAL FIRE incident data, Marin County fire history archives, First Street Foundation.
Live Bay Area fire status
Track active incidents, Red Flag Warnings, air quality, and PSPS power shutoffs across the greater Bay Area, updated throughout the day.
The Problem
Most Homes Have 3-5 Wildfire Vulnerabilities
Embers cause most home ignitions. They enter through vents, collect under decks, travel along fences, and ignite vegetation at the foundation.
Unscreened vent
Open deck skirting
Zone 0 violation
Fence flame path
$149 Assessment Report
California Wildfire Assessment Report
Find out what wildfire risk models and California building codes flag on your property. No site visit. Results same day.
30-minute phone session
We guide you through photos of vents, eaves, decks, fencing, roof, and vegetation. No site visit.
Photo-by-photo analysis
Each finding includes what we see, why it matters, and the specific code section it relates to.
Prioritized action plan
30-day, 90-day, and 12-month timelines. Every item cites CBC Chapter 7A, PRC 4291, or AB 38.
Defensible space scored
Zone 0, Zone 1, and Zone 2 rated for your specific property with clear action items.
Insurance documentation
Documented against the Safer from Wildfires categories the project touches. Hand it to your broker for FAIR Plan or discount qualification.
Contractor-ready fix list
Specific materials, code references, and priority rankings. Any licensed contractor can use it.
Built by a California wildfire defense company from real-world Bay Area experience.
Free Wildfire Map
Not ready for a full assessment? Enter any California address to see fire hazard severity zones, vegetation density, and nearby fire history.
Open Free Wildfire MapDefensible Space & Home Hardening
California law requires property owners in fire hazard zones to maintain defensible space and harden their homes.
Ember-Resistant Zone
0-5 ft
Remove all combustible material within five feet. No mulch, no plants, no firewood. Hardscape only.
Lean, Clean, and Green
5-30 ft
Well-spaced, low plants. Trim branches 6 ft from ground. 10 ft between canopies. Grass to 4 inches.
Fuel Reduction Zone
30-100 ft
Remove ladder fuels. Space shrub groups. Create vertical gaps between ground cover and canopies.
Priority Order
Screen all vents with 1/8-inch metal mesh
Clear Zone 0 (first 5 feet)
Clean gutters and roof of debris
Replace or disconnect wood fence at house
Enclose open eaves and soffits
Enclose or screen deck skirting
Exterior Sprinkler Systems
FireRoofs designs and coordinates automated exterior sprinkler systems in our Bay Area service area (41 communities). They saturate the property before fire arrives, buying critical time.Orinda is not in our installation area, but the assessment report identifies which hardening measures will have the greatest impact on your property.
Common Questions
Is Orinda in a high fire hazard zone?
Yes. CAL FIRE designates nearly all of the Orinda hills as Very High Fire Hazard Severity Zone (VHFHSZ), including the watershed edges and canyon neighborhoods. The community lies directly east of where the 1991 East Bay Hills firestorm originated.
What was the last major wildfire near Orinda?
The most devastating fire in the area was the 1991 Tunnel (East Bay Hills) Firestorm, which ignited on Orinda's western doorstep and swept into Oakland and Berkeley, destroying more than 2,800 homes and killing 25 people. The same wind-driven terrain and vegetation conditions remain today.
Will wildfire risk affect my insurance in Orinda?
Orinda hillside homes commonly range from $2M to $6M+, and canyon and watershed-adjacent properties see high non-renewal rates. Many homeowners now rely on FAIR Plan coverage with supplemental DIC policies. California's Safer from Wildfires regulation (Regulation 2644.9) requires insurers to consider documented home hardening improvements when setting premiums.
How does a photo-based wildfire assessment work?
A photo-based wildfire assessment is a 30-minute guided phone session where you walk around your property and photograph specific elements: vents, eaves, decks, fencing, roof, vegetation clearance, and attachments. A wildfire defense specialist analyzes each photo against California Building Code Chapter 7A, PRC 4291, and AB 38 requirements. You receive a written report with photo-by-photo findings, code citations, a prioritized action plan, defensible space zone ratings, and insurance documentation you can hand to your broker or any local contractor.
Not in our service area
Your property, your report.
FireRoofs designs and coordinates sprinkler systems in our Bay Area service area. The California Wildfire Assessment Report is available for any property in the state.
This page is not an emergency resource. If you see fire or smoke, call 911. For evacuation alerts in Contra Costa County, register for AlertMarin.