City building permits · May 2026
Diamond Bar Building Permits
Monthly residential building permits for Diamond Bar, California — 1 units in May 2026, 65 over the last 12 months — latest month -75% vs. a year earlier.
1
Units (latest month)
1
Single-family units
0
Multifamily (5+) units
$220,000
Reported value
Trailing 12 months: 65 units permitted · latest month -75% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 1 | 100.0% |
| 2-unit structures | 0 | 0.0% |
| 3–4 unit structures | 0 | 0.0% |
| Multifamily (5+ units) | 0 | 0.0% |
| All units | 1 | 100% |
Diamond Bar building permits — FAQ
How many building permits were issued in Diamond Bar, California?+
1 new residential units were authorized in Diamond Bar in May 2026, and 65 over the trailing 12 months, per the Census Building Permits Survey.
What types of housing is Diamond Bar permitting?+
In May 2026, 1 single-family and 0 units in 5+ unit buildings were permitted — 0.0% of the total was multifamily.
Why might Diamond Bar's numbers be zero some months?+
Permit activity is lumpy at the city level, and small jurisdictions may report to the Census with a lag. Zero in a month means no permits were reported, not necessarily no construction interest.