Best Electrical Panel Upgrades in Castle Rock, CO (2026)

6 verified businesses · Sorted by rating & reviews

Also in Castle Rock

Ceiling Fan InstallationElectricianOutlet Installation & Repair
1

Williams and Sons Electric, LLC.

Google★★★★½4.983 reviews
Yelp4 stars417 reviews
↓ Declining·3 mo: 4.5★ (4)·6 mo: 4.8★ (11)
Staff:+David (2)
3125 W Alabama Pl, Denver, CO 80219
+1303-762-9484
Electrician
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Williams and Sons Electric, LLC. photo 1
2

Mr. Electric

Google★★★★★554 reviews
→ Stable·3 mo: 5★ (3)·6 mo: 5★ (3)
6795 E Tennessee Ave #401, Denver, CO 80224
+1720-797-9982
Electrician
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3

Current Electric Service Inc

Google★★★★½4.833 reviews
↑ Improving·3 mo: 5★ (10)·6 mo: 5★ (10)
Metro Areas, 4575 South Knox Ct, Denver, CO 80110
+1303-373-1715
Electrician
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4

Range Electric

Google★★★★★520 reviews
→ Stable·3 mo: 5★ (10)·6 mo: 5★ (10)
7975 E Harvard Ave suite e, Denver, CO 80231
+1303-879-2853
Electrician
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5

Chris Electric Company, Inc.

Google★★★★½4.721 reviews
Yelp4 stars4.25 reviews
1501 W Cedar Ave, Denver, CO 80223
+1303-778-8281
Electrician
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6

Diamond Electric Ltd

Google★★★★★56 reviews
+1303-879-5993
Electrician
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