At least one company uses computer models to inspect these photos and flag moldy roofs, askew tree branches and missing shingles. Insurers then notify homeowners their policies may not be renewed.

While it’s unclear how many homes are under surveillance, the number could be massive — and growing. One aerial imaging technology company common among insurers says it has eyes on 99.6% of the country’s population.

Faced with more extreme weather and costlier damage to homes, insurers are increasingly relying on new technologies like aerial images to evaluate policies — and in some cases, to forgo risk. Between 2020 and 2023, the rate at which insurers in Texas chose to not renew home insurance policies almost doubled.