Tranquil Garden Residential Condominium Project (Planning Case No. PL2025-77)

Summary

SCH Number
2026090194
Public Agency
City of Diamond Bar
Document Title
Tranquil Garden Residential Condominium Project (Planning Case No. PL2025-77)
Document Type
NOE - Notice of Exemption
Received
Posted
9/3/2026
Document Description
The proposed project includes the construction of a new four-story, 36-unit residential condominium building with a gym, clubhouse, open courtyard, and a community rooftop garden on a 0.99-acre vacant parcel. The project required approval of a Vesting Tentative Tract Map and Development Review. The applicants designated three of the 36 units for sale to low-income households, and the proposed project is designed to incorporate a twenty percent (20%) density bonus, one incentive/concession, three waivers/reductions from development standards, and reduced parking ratios pursuant to State Density Bonus Law.

Contact Information

Name
Grace Lee
Agency Name
City of Diamond Bar
Job Title
Planning Manager
Contact Types
Lead/Public Agency

Name
Eric Chen
Agency Name
CDA+PDG, Inc
Job Title
President
Contact Types
Project Applicant

Location

Cities
Diamond Bar
Counties
Los Angeles
Regions
Southern California
Zip
91765
Total Acres
0.99
Parcel #
8717-008-189
Other Location Info
Westerly terminus of Gentle Springs Lane between 259 Gentle Springs Lane (Best Western Hotel) and Prospectors Road

Notice of Exemption

Exempt Status
Statutory Exemption
Type, Section or Code
Public Resources Code Section 21080.66
Reasons for Exemption
This project has been reviewed for compliance with the California Environmental Quality Act (CEQA). Pursuant to Public Resources Code Section 21080.66, enacted pursuant to the provisions of CA Assembly Bill 130 (2025), the proposed project is statutorily exempt as it qualified as an infill housing development that meet specific criteria established by State law. The site is within an incorporated urban area and is surrounded by urban development; exceeds 15 dwelling units per acre; is consistent with the applicable General Plan and zoning requirements, including State Density Bonus Law; and the site is not within a disqualifying environmentally sensitive, hazardous, historic, or otherwise protected area. The City completed the required tribal consultation and incorporated agreed measures into the conditions of approval.
County Clerk
Los Angeles

Attachments

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