Building Permits in Diamond Bar, CA

Track construction activity, new developments, and building permit filings in Diamond Bar. Updated daily.Data current through Oct 21, 2026

23
Total Permits
5
Last 30 Days
—
Total Construction Valuecost data unavailable
—
Avg Project Cost

Quick Insights

  • •Other permits make up 96% of all filings

Permit Status Pipeline

43%
39%
17%
approved10
submitted9
expired4

Permit Types

Other
22
Mechanical
1

Monthly Activity

2
Oct
3
Nov
3
Jan
3
Feb
1
Mar
2
Apr
1
May
1
Jun
1
Sep
5
Oct
05

Recent Permits

TypeAddressCost
Other24432 Tallyrand Drive—
Other2845 S Diamond Bar Boulevard—
Other19001 U Tonner Canyon Road—
Other2751 S Diamond Bar Boulevard—
Other800 N Diamond Bar Boulevard—
Mechanical368 San Leandro Drive—
Other1875 Tintah Drive—
Other3192 Marigold Circle—
Other22720 Timbertop Lane—
Other2631 Rocky Trail Road—

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