2026 Wildfire Season Is Here: The 5-Step Homeowner Checklist

May is the critical window. Brush is dry, wind patterns are shifting, and CAL FIRE, Oregon Forestry, and Colorado DFPC are all ramping up inspection programs ahead of the summer burn season. If your defensible space work isn't underway by June, you're behind — and so is your insurance documentation.

This guide covers the five highest-impact actions you can take right now, ranked by how quickly they reduce your risk and whether they generate the documentation insurers actually want.

1. Clear Zone 1 First (0–30 Feet)

Zone 1 — the area directly surrounding your home — is where most structure ignitions begin. Embers land in gutters, wood piles, and overgrown shrubs within this zone and ignite. The good news: Zone 1 is the smallest area to clear and the fastest to document.

What inspectors check in Zone 1:

• No combustible materials within 5 feet of the structure (wood piles, propane tanks, patio furniture)
• Grass mowed to 4 inches or under
• Tree branches pruned to at least 10 feet above the ground
• All dead vegetation removed
• Gutters cleared of debris and leaves

California's PRC 4291 requires this zone to be cleared and maintained. Oregon's SB 762, passed in 2021, uses similar language. A typical Zone 1 clearing for a half-acre property costs $800–$2,200 and can be completed in a single day.

2. Attack Zone 2 With Spacing, Not Removal

Zone 2 (30–100 feet) is where most homeowners over-spend or under-deliver. The goal isn't to strip the land bare — it's to interrupt fire's path. Inspectors are looking for "fuel breaks": gaps between trees and shrubs that prevent fire from running along the ground or leaping from crown to crown.

Key spacing rules:

• Shrubs: 2× the height of the shrub between plants on slopes under 20%
• Trees: canopy gaps of at least 10 feet between crowns
• No ladder fuels — shrubs growing under tree canopies that would allow ground fire to climb into the crowns

Zone 2 work is the most labor-intensive part of defensible space. Budget $2,000–$5,000 for a typical half-acre lot. Many states — including California, Colorado, and Oregon — offer rebates of $500–$2,500 through utility companies and forestry agencies.

3. Install Ember-Resistant Vents Before July

The National Institute of Standards and Technology (NIST) has documented that ember intrusion through standard attic and crawl space vents is the primary ignition pathway in structure fires during WUI (Wildland-Urban Interface) events. Ember-resistant vents — rated to ASTM E2886 — are a one-time upgrade with outsized protective and insurance value.

A full vent replacement on a standard home costs $600–$2,400 depending on vent count. California's IBHS Wildfire Prepared Home program and Colorado's state mitigation grant both recognize this upgrade for premium credits.

Priority vent locations:

• Ridge vents and soffit vents (highest ember exposure)
• Gable vents facing prevailing wind direction
• Foundation crawl space vents

4. Document Everything With Photos and Contractor Records

This step costs almost nothing and is the most frequently skipped. Since 2023, major insurers including State Farm, CSAA, and Farmers have updated non-renewal triggers to include lack of mitigation documentation — not just the risk itself.

After any clearing or hardening work, get:

• Dated before/after photographs (geo-tagged if possible)
• A contractor invoice listing specific work performed
• A copy of any official inspection record or CAL FIRE clearance letter

Submit this documentation proactively to your insurer. In California, AB 2308 (effective 2025) requires insurers to offer a discount if you complete a state-approved home hardening checklist — but only if you submit the documentation.

5. Schedule Your Free Assessment Now, Not in August

Licensed wildfire contractors are booked 4–8 weeks out by early June in high-risk counties. Waiting until fire weather hits means waiting until October for service — a full season lost.

A professional assessment takes 45–90 minutes and gives you a prioritized work list with cost estimates. Most reputable contractors offer them at no charge for properties they're likely to work on.

When selecting a contractor, verify:

• State contractor license (CSLB in California, CCB in Oregon, DORA in Colorado)
• General liability coverage of at least $1M
• Familiarity with your county's specific inspection criteria
• Whether they provide post-work documentation suitable for insurer submission

The Bottom Line on Timing

The five actions above — Zone 1 clearing, Zone 2 spacing, ember-resistant vents, documentation, and early scheduling — address the three biggest risk categories simultaneously: structure ignition probability, regulatory compliance, and insurance documentation. None require waiting for a crisis to justify the investment.

For most Western homeowners, full defensible space compliance costs between $3,500 and $12,000 depending on property size and existing conditions. It's a fraction of a typical deductible, and in the current insurance market, it may be the difference between renewing your policy and facing the non-admitted market.