⚡ Official Rankings
10 Best Electricians in O'Fallon, MO (September 2026)
We compared 10 electricians serving O'Fallon and Saint Charles County, Missouri, and ranked the top providers by verified reviews, ratings, and local reputation — 3,225 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by Design Aire Heating and Cooling. Updated for September 2026.
- Electricians ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 3,225
- Area codes
- 636, 314
#1
⭐ 5.0 · 877 reviews
103 Church St #20, O'Fallon, MO 63366
#2
⭐ 5.0 · 524 reviews
60 Boone Hills Dr, St Peters, MO 63376
#3
#4
⭐ 4.9 · 330 reviews
22 S Perry Cir, O'Fallon, MO 63366
#5
⭐ 4.9 · 213 reviews
1025 Cool Springs Industrial Dr, O'Fallon, MO 63366
#6
#7
⭐ 4.8 · 142 reviews
5590 Salt River Rd, St Peters, MO 63376
#8
⭐ 4.7 · 69 reviews
1150 Birdie Hills Rd, St Peters, MO 63376
#9
#10