Free browser extension that displays climate risk information for California properties on Zillow, Redfin, Realtor.com, Trulia, Compass, and Homes.com
⬇️ Download for Chrome
Climate risk data displayed in a Chrome side panel alongside supported real estate websites
Official CAL FIRE Fire Hazard Severity Zones (both State and Local Responsibility Areas) showing property-level wildfire exposure
FEMA National Flood Hazard Layer (live API), returning the current flood zone designation for any California address
Decadal wildfire occurrence probability from Cal-Adapt / UC Merced climate models for the 2050s decade
FEMA Future Conditions flood hazard extracted from the same NFHL response, showing where flood risk is expected to increase
Cal-Adapt projections of mid-century average maximum temperatures under the RCP 8.5 emissions scenario
Projected days above 95°F per year by mid-century, counted directly from Cal-Adapt daily climate data
Projected average annual rainfall by mid-century from Cal-Adapt, classified from Minimal to Severe
Coastal vulnerability assessment with links to the NOAA Sea Level Rise Viewer and California Coastal Commission for coastal properties
Fire Hazard Severity Zones
National Flood Hazard Layer
Heat, Precipitation & Wildfire Probability Projections (2050s)
Sea Level Rise Viewer
Sea Level Rise Guidance
Download the extension
Search for Climate Risk - California in the Chrome Web Store, or download from GitHub to load unpacked
Pin the extension
Click the 🧩 puzzle piece icon in Chrome's toolbar, find Climate Risk, and click 📌 to pin it so the badge indicator is always visible
Browse property listings
Navigate to any California property on Zillow, Redfin, Realtor.com, Trulia, Compass, or Homes.com. The extension icon shows a badge (!) when you're on a supported property page — click it to open the Climate Risk side panel showing 8 risk indicators grouped into Current Conditions and Mid-Century Projections
This information is provided for educational purposes only and should not be the sole basis for real estate decisions. Climate risk assessments may not reflect the most current conditions or all potential hazards. Consult with qualified professionals and review official hazard maps before purchasing property.
Your privacy is important. This extension operates entirely on your device.