1. States
  2. /Missouri
  3. /St. Charles County
  4. /O'Fallon

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Showing latest year with year-over-year changes. Full permit history available with a paid plan. View plans →

Year

Insightsi

Construction activity in 2024 was up 220% from the prior year, with 336 housing units permitted.

  • •1192% more units than the average St. Charles County town (26), suggesting faster-than-typical growth.
  • •Average unit valued at $201K — 16% below the St. Charles County average of $238K, indicating more affordable construction.
  • •70.2% of new units were multi-family (apartments, condos, duplexes).

Total Unitsi

336 ▲ 220%

2024

Total Valuei

$67.5M ▲ 146.9%

2024

Single-Familyi

29.8%

100 units

Multi-Familyi

70.2%

236 units

O'Fallon vs. Avg. St. Charles Co. Town (2024)i

O'FallonAvg.Diff
Total Unitsi33626+1192%
Total Valuei$67.5M$6.2M+990%
Single-Familyi10012+733%
Multi-Familyi23614+1586%
Buildingsi12715+747%
Value / Uniti$201K$238K-16%

Housing Units Permittedi

Solid line is O'Fallon; dashed line is St. Charles County average.

Construction Valuei

Solid line is O'Fallon; dashed line is St. Charles County average.

Census BPS