In a published opinion filed April 14, 2023, the First District Court of Appeal (Div. 3) taught some interesting procedural lessons in a CEQA/writ of mandate case arising from the City of San Francisco’s denial of a single-family home renovation project proposed by one Durkin and his LLC (Appellants) that was successfully challenged in the City’s administrative proceedings by a neighboring owner (Kaufman). Christopher Durkin v. City and County of San Francisco, et al. (Philip Kaufman, Real Party in Interest) (2023) 90 Cal.App.5th 643.