July 2026 residential building permits data releasedExplore →

City building permits · Jul 2026

Ontario Building Permits

Monthly residential building permits for Ontario, California — 138 units in Jul 2026, 1,126 over the last 12 months — latest month +146.4% vs. a year earlier.

138
Units (latest month)
53
Single-family units
82
Multifamily (5+) units
$31,001,039
Reported value
Trailing 12 months: 1,126 units permitted · latest month +146.4% vs. a year earlier.
Total units permitted, by monthAug 2024 – Jul 2026
Aug 2024Jul 2026
Structure typeUnitsShare
Single-family (1-unit)5338.4%
2-unit structures00.0%
3–4 unit structures32.2%
Multifamily (5+ units)8259.4%
All units138100%

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?+

138 new residential units were authorized in Ontario in Jul 2026, and 1,126 over the trailing 12 months, per the Census Building Permits Survey.

What types of housing is Ontario permitting?+

In Jul 2026, 53 single-family and 82 units in 5+ unit buildings were permitted — 61.6% 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.