Roof replacement or repair in San Diego often depends on scope, since work exceeding 50% of the roof area or 2

https://donovanovib010.fairmontdigest.com/posts/tile-and-low-slope-roof-systems-in-san-diego-what-the-code-framework-emphasizes-2

Roof replacement or repair in San Diego often depends on scope, since work exceeding 50% of the roof area or 2,500 square feet in a year can trigger full compliance requirements.