A homeowner’s guide to wildfire home hardening.

Home hardening and defensible space: what is the difference?

Home hardening focuses on the structure: its roof, openings, exterior surfaces, and connections. Defensible space addresses vegetation and other combustible material around it. The two approaches work together, so an assessment should consider both.

CAL FIRE describes the first five feet around buildings as the ember-resistant zone, often called Zone 0. Review this immediate area as well as the wider landscape, and confirm the requirements that apply with your local fire authority.

Which parts of the home should be reviewed first?

Start with visible conditions and a documented walk-around rather than choosing products before you know what is installed. CAL FIRE’s guidance covers roofs, vents, windows, decks, fences, gutters, and other exterior details. The priorities for an individual home depend on what that review finds.

• Record existing materials and any available product labels.
• Note damage, gaps, debris, and areas that cannot be accessed safely.
• Separate recurring maintenance from replacement or construction work.
• Identify questions that require a building official, qualified installer, or specialist.

Does every home need the same upgrades?

No. An existing window, vent, or fence may have useful documentation and be in serviceable condition, or it may need further review. A project scope should explain the reason for each proposed task and what condition it addresses.

Ask which work should happen together and which can be phased. Record any assumptions about concealed construction before agreeing to a price, so the process for unexpected conditions is clear.

How much does home hardening cost?

There is no single price that fits every property. A vent project and a larger window or deck replacement have different quantities, materials, access, and installation needs. Compare written scopes that cover the same work, including preparation, disposal, repairs, and finish details.

The A1 Ember calculator uses labeled sample inputs for planning. It is not a contractor quote or a forecast of your actual insurance savings. A property visit and agreed scope are needed for project pricing.

• Number, size, and condition of the components being improved.
• Selected products and any supporting design or specialist review.
• Site access, building height, and existing damage.
• Permits or approvals, disposal, and future maintenance.

Can home hardening reduce my insurance premium?

Some insurers recognize qualifying wildfire mitigation improvements through premium discounts. Ask your current insurer or licensed broker which actions it recognizes and what evidence it needs before commissioning work. California’s Department of Insurance explains that discounts vary and proof of completed mitigation or an inspection may be required.

Use our calculator to explore potential savings with clearly labeled sample inputs, then replace them with information from your policy and insurer. The example is not a typical result or a promised discount.

Keep dated photographs, invoices, product details, and work records in the format your insurer requests. The insurer determines acceptance, renewal, eligibility, and pricing. This process is separate from A1 Ember Insurance’s proposed parametric offering, which remains in development.

How do I get started?

Gather your property location, current concerns, photographs, and any requests from your insurer or local fire authority. Then arrange an assessment conversation to confirm the review area, deliverables, availability, and cost before a visit.

A1 Ember Home Hardening prioritizes the Greater Bay Area and San Diego County. For other U.S. locations, ask about project availability. We help discuss the assessment, building improvements, vegetation care, and ongoing maintenance as one plan. Home hardening is part of wildfire preparedness; it does not replace your household’s evacuation planning.