Diamond Bar, CA — 2025

Development activity in Diamond Bar for 2025 (indexed meeting dates). Data from local planning commission, city council, and zoning board minutes in our coverage area.

Diamond Bar, CA indexed 39 development projects in 2025 across 1 distinct project type. Commercial dominates the mix at 87% (34 projects), pointing to a concentrated pipeline rather than a balanced one.

Snapshot May 12, 2026 · Refreshed quarterly

Total Projects

39

Project Types

1

Projects by Type

TypeProjects
Commercial34

Other Cities in California

Pasadena2,354 projectsTracy1,768 projectsHighland1,466 projectsSan Francisco1,457 projectsPalo Alto1,424 projectsEl Monte1,229 projectsModesto1,154 projectsLos Angeles1,130 projects

Related

California Overview|California Planning Commission Guide|All States

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