Yorba Linda, California Zoning Map

The large district count reflects the city's practice of assigning individual PD designations to each major subdivision and master-planned community rather than consolidating them under generic residential base zones. Each PD has its own plan document with specific density allowances, architectural standards, and phasing conditions. Due diligence on any Yorba Linda residential parcel must start with identifying the correct PD number and obtaining the full plan - the zoning code alone will not tell you what can be built.

The PD designations cover a range of product types: East Lake Village (PD-10) includes sub-areas at 3.0, 4.0, and 4.9 DU/acre plus Lake Townhomes and a village center; Yorba Linda Hills (PD-11) includes residential suburban, duplex lots, and residential estate sub-areas; Dominguez Ranch (PD-12) mixes country estates, residential suburban, village condos, and patio homes; Travis Ranch (PD-13) adds condos, patio homes, and single-family suburban and estate sub-areas. This product spectrum signals a market where density is tightly managed at the plan level rather than by generic zoning standards.

California state law requires Yorba Linda to permit ADUs on residential-zoned parcels citywide, including within PD-governed subdivisions. Many PD plans include single-family lots that qualify under SB-9 for lot splits, subject to eligibility criteria. Density bonus law applies to qualifying multifamily and mixed-income projects, including in PD areas. However, some PD plans contain conditions - such as HOA restrictions or recorded CC&Rs - that may limit where and how ADUs or secondary units can be physically sited, even if zoning allows them.

Yorba Linda's commercial base is intentionally limited: CG (174 acres) is the largest commercial zone and accommodates general retail, restaurants, and services. CO (25 acres) supports professional and medical office uses. The combined commercial footprint is modest relative to the city's population, reflecting a deliberate community preference for low commercial intensity. Developers pursuing retail or office projects should assess existing demand carefully, as the constrained commercial land supply also means limited competition for well-located sites.

OSR (1,326 acres) covers larger-lot, hillside-adjacent parcels that are designated for a ranchette-style residential character with equestrian amenities, open space preservation, and limited development intensity. OSR parcels typically allow a single dwelling unit on a large minimum lot with equestrian trails and agricultural accessory uses. Developers evaluating OSR land should not assume it can be intensified - the ranchette designation reflects a policy commitment to low-density hillside preservation that is unlikely to change through a routine rezoning.