City building permits · May 2026

OFallon Building Permits

Monthly residential building permits for OFallon, Missouri 73 units in May 2026, 605 over the last 12 months — latest month +265% vs. a year earlier.

73
Units (latest month)
25
Single-family units
48
Multifamily (5+) units
$17,178,673
Reported value
Trailing 12 months: 605 units permitted · latest month +265% vs. a year earlier.
Total units permitted, by monthDec 2024May 2026
Dec 2024May 2026
Structure typeUnitsShare
Single-family (1-unit)2534.2%
2-unit structures00.0%
3–4 unit structures00.0%
Multifamily (5+ units)4865.8%
All units73100%

OFallon building permits — FAQ

How many building permits were issued in OFallon, Missouri?+

73 new residential units were authorized in OFallon in May 2026, and 605 over the trailing 12 months, per the Census Building Permits Survey.

What types of housing is OFallon permitting?+

In May 2026, 25 single-family and 48 units in 5+ unit buildings were permitted — 65.8% of the total was multifamily.

Why might OFallon'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.