City building permits · Jun 2026
Ontario Building Permits
Monthly residential building permits for Ontario, California — 167 units in Jun 2026, 1,044 over the last 12 months — latest month -10.2% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 69 | 41.3% |
| 2-unit structures | 0 | 0.0% |
| 3–4 unit structures | 0 | 0.0% |
| Multifamily (5+ units) | 98 | 58.7% |
| All units | 167 | 100% |
Compare this area with the rest of the country: ranked leaderboards for permit volume, permits per capita, year-over-year growth, and multifamily share.
Ontario building permits — FAQ
How many building permits were issued in Ontario, California?+
167 new residential units were authorized in Ontario in Jun 2026, and 1,044 over the trailing 12 months, per the Census Building Permits Survey.
What types of housing is Ontario permitting?+
In Jun 2026, 69 single-family and 98 units in 5+ unit buildings were permitted — 58.7% of the total was multifamily.
Why might Ontario'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.