06/18/2026
Is this the next area in Ladue targeted for apartments? Ladue Crossing and across the street. Allowing one apartment building at the Quarry site creates precedent. The PDD Loophole: The city passed a specific PDD ordinance. This allows developers to submit a custom βmixed-useβ master plan for a specific property (like the Rock Hill Quarries site). If the city approves that specific plan, the property gets rezoned into its own custom district where apartments are allowed.