⚡ Official Rankings
10 Best Electricians in Thornton, CO (September 2026)
We compared 10 electricians serving Thornton and Adams County, Colorado, and ranked the top providers by verified reviews, ratings, and local reputation — 4,639 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Red Diamond Electric. Updated for September 2026.
- Electricians ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 4,639
- Area codes
- 720, 303
#1
⭐ 5.0 · 117 reviews
11670 Milwaukee St, Thornton, CO 80233
#2
⭐ 4.9 · 3031 reviews
1020 W 124th Ave #700, Westminster, CO 80234
#3
⭐ 4.9 · 1206 reviews
2200 E 104th Ave #205, Thornton, CO 80233
#4
⭐ 5.0 · 53 reviews
3590 E 122nd Ave, Thornton, CO 80241
#5
#6
⭐ 4.9 · 66 reviews
2510 W 99th Pl, Federal Heights, CO 80260
#7
⭐ 5.0 · 25 reviews
12061 Pennsylvania St suite a-105, Thornton, CO 80241
#8
#9
⭐ 5.0 · 11 reviews
871 Thornton Pkwy Suite 202, Denver, CO 80229
#10