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Notes on hardening a house

Short, practical pieces on the parts of a building that decide how it handles embers, and on the paperwork that makes the work count.

  • Basics

    What home hardening actually means

    Home hardening is a list of building details, not a mood. Here is what the term covers and why insurers ask about these specific parts of a house.

    August 12, 2026, 5 minute read

  • Zone 0

    Zone 0, the first five feet

    The strip of ground closest to your walls does more work than any planting scheme further out. What belongs there, and what does not.

    July 29, 2026, 4 minute read

  • Documentation

    The photographs your agent will probably ask for

    Six shots cover most of what an agent needs to open a file. Taking them once saves repeating the exercise later.

    July 15, 2026, 3 minute read

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Home Hardening Score is a digital service owned and operated by AACI Group, Inc. It is an informational self-assessment, not an inspection, and does not constitute professional fire safety, legal, or insurance advice. Use of Home Hardening Score is at your own risk. AACI Group, Inc. disclaims all liability for actions taken based on Home Hardening Score outputs.

HHS aggregates publicly available federal and state data for informational purposes. It is not affiliated with, endorsed by, or acting on behalf of any government agency, fire department, or insurer. Our scores and estimates are not guarantees of insurability, premium, safety, or any outcome, and are not professional, insurance, legal, financial or engineering advice. Data may be incomplete, delayed, or contain errors.

Home Hardening Score is operated by AACI Group, which also owns Five Bays Insurance Agency, a licensed California insurance agency, California Department of Insurance license 6016871. If you request quotes, Five Bays may earn commission on any policy placed.

Fire hazard severity zone and structure inspection data from CAL FIRE, used under Creative Commons Attribution. Geocoding by the US Census Bureau.

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