Title 18 — Zoning Chapter 18.16 — SPECIAL PURPOSE ZONES Yorba Linda Zoning Code · 2026-06 edition · ingested 2026-07-07 · Yorba Linda In this part Article 0 — Established. Article 1 — Mobile Home Park (MHP) Zone Article 2 — Planned Development (PD) Zone Article 3 — Public and Semipublic (PS) Zone Article 4 — Presidential Library (PL) Zone Article 5 — Open Space (OS, OSR) Zones