Public Hearing Notices

City Council Public Hearing

  Vesting Tentative Tract Map No. 54081, Development Review, Tree Permit and Conditional Use Permit - Planning Case No. PL2017-203
Date and Time May 17, 2022 at 6:30 p.m. or as soon thereafter as the matter can be heard
Purpose The applicant is requesting approval of a residential subdivision project that includes the development of seven single-family residences and associated infrastructure including a southward extension of the existing Crooked Creek Drive on a 12.9-acre undeveloped site. Five of the seven proposed residential structures include an attached Accessory Dwelling Unit (ADU).
Project Location southern terminus of Crooked Creek Drive, east of the SR-57 Freeway, Brea Canyon Road and Brea Canyon flood control channel and north of the City’s southern boundary (APN 8714-028-003)
Location of Hearing Teleconference via Gotowebinar and in person at Diamond Bar City Hall in the Windmill Community Room, 21810 Copley Drive. Instructions on how to join online or by telephone will be noted on the meeting agenda that will be posted the Friday prior to the meeting at
Notice PL2017-203 Crooked Creek Development Residential Subdivision Project - Development Review, Tree Permit and Conditional Use Permit (PDF)
Contact Community Development Department - Associate Planner Mayuko Nakajima at (909) 839-7033 or

Planning Commission Public Hearing

  Development Review No. PL2022-2 
Date and Time Tuesday, May 24 at 6:30 p.m. (or as soon thereafter that the matter can be heard)
Location of Hearing Diamond Bar City Hall – Windmill Community Room
21810 Copley Drive, Diamond Bar, CA 91765
Applicant Request Approval to demolish an existing 2,914 square-foot single-family residence and construct a new two-story, single-family residence. The new residence consists of 8,148 square feet of living space, a 474 square-foot balcony, a 17 square-foot covered porch, and a 960 square-foot garage on 1.63 gross acres (71,102 gross square-foot) site.
Project Location 23712 Ridge Line Road, Diamond Bar
Notice Development Review No. PL2022-2
Contact Community Development Department - Associate Planner, Dat Tran email at or call (909) 839-7034