Public hearing for a new single-family residence and tree permit in Diamond Bar.

NOTICE OF PUBLIC HEARING
NOTICE IS HEREBY GIVEN BY THE CITY OF DIAMOND BAR , that the Planning Commission will conduct a public hearing on the following items to determine whether or not the subject request shall be approved under the provision of State law and the Diamond Bar City Code (DBCC).
DATE AND TIME OF HEARING:Tuesday, April 28, 2026, 6:30 P.M. (or as soon thereafter that the matter can be heard)PLACE OF HEARING:Diamond Bar City Hall – Windmill Community Room21810 Copley Drive, Diamond Bar, CA 91765
You can participate in the meeting by visiting the City’s website at https://www.diamondbarca.gov/agendas , select the April 28, 2026 Planning Commission Meeting and click on Agenda. The first page of the agenda provides detailed instructions on how to observe or participate in the meeting remotely. To listen only, dial the phone number and enter the access code provided on the agenda. To listen and provide public comment, join the webinar using the link posted on the agenda. You may also call the Community Development Department at (909) 839-7030. Written comments may also be submitted in advance of the hearing via email to Planning@DiamondBarCA.gov and indicate in the Subject Line “FOR PUBLIC COMMENT.” Please note that the meeting will proceed in the Windmill Community Room. If you wish to make certain that your comments are heard, please attend the meeting in person or send an email by 4:00 p.m. on the day of the meeting, should comments by teleconferencing become infeasible due to an Internet outage, power outage, or other technical issue that may occur outside of the City’s control.
SUBJECT : Development Review and Tree Permit Case No. PL2025-27 (“Project”)
REQUEST : Under the authority of DBCC Sections 22.38 and 22.48, the property owner, Visanu and Radhika Chawla, and applicant, Terry Chang, are requesting Development Review (DR) approval for the construction of a new 14,304 square-foot, three-level, single-family residence with a 1,518 square-foot garage, 1,377 square feet of covered terrace/patio areas, 2,072 square feet of uncovered terrace/patio areas, swimming pool and rear yard improvements on a 66,647 gross square-foot (1.53 gross acre) lot. A Tree Permit (TP) is also requested to remove seven protected California black walnut trees and one coast live oak tree and replace with 24 coast live oak trees on site. The subject property is zoned Rural Residential (RR) with an underlying General Plan land use designation of Rural Residential.
PROJECT ADDRESS:23007 Ridge Line Road , Diamond Bar, CA 91765 (APN: 8713-005-010)APPLICANT:Terry Chang, EBTA Architects, 22 Corporate Park, Suite 200, Irvine, CA 92606PROPERTY OWNER:Visanu and Radhika Chawla, 23007 Ridge Line Road, Diamond Bar, CA 91765
ENVIRONMENTAL DETERMINATION : The project has been reviewed for compliance with the California Environmental Quality Act (CEQA). Based on that assessment, the City has determined the project to be Categorically Exempt from the provisions of CEQA pursuant to Article 19 under Section 15303(a) (construction of a new single-family residence) of the CEQA Guidelines. No further environmental review is required.
Published in: San Gabriel Valley Tribune: Friday, April 17, 2026
If you are unable to attend the public hearing, but wish to send written comments, please write to the City of Diamond Bar Community Development Department/Planning Division at the address given below. To preview case materials or for further information on this subject, please contact Senior Planner, Mayuko Nakajima at (909) 839-7033.
If you challenge this application and project in court, you may be limited to raising only those issues you or someone else raised at the public hearing described in this notice, or in written correspondence delivered to the Planning Commission at, or prior to, the public hearing.
CASE MATERIALS are available for review between, the hours of 7:30 a.m. and 5:30 p.m. Monday through Thursday and 7:30 a.m. to 4:30 p.m. on Friday, at the Community Development Department/Planning Division, 21810 Copley Drive, Diamond Bar, CA 91765.San Gabriel Valley TribunePublished: 4/17/26