Best Electrical Panel Upgrades in Diamond Bar, CA (2026)

6 verified businesses · Sorted by rating & reviews

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1

Immediately Electricians

Google★★★★½4.8118 reviews
↑ Improving·3 mo: 5★ (3)·6 mo: 4.8★ (18)
Staff:+Barry (2)+Nathaniel (2)
2940 E Olympic Blvd #594, Los Angeles, CA 90023
+1213-754-3803
Electrician
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2

Power Plus Electrical

Google★★★★½4.974 reviews
Yelp5 stars4.914 reviews
→ Stable·3 mo: 5★ (3)·6 mo: 5★ (7)
1917 E 7th St UNIT 3, Los Angeles, CA 90021
+1213-784-8952
Electrician
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3

Blue Moon Electrical

Google★★★★★561 reviews
Yelp5 stars56 reviews
→ Stable·3 mo: 5★ (28)·6 mo: 5★ (51)
360 S Broadway #60, Los Angeles, CA 90013
+1323-747-7122
Electrician
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4

Electrical G‎‎a‎‎r‎‎‎‎a‎‎g‎‎e

Google★★★★★552 reviews
→ Stable·3 mo: 5★ (3)·6 mo: 5★ (10)
111 N Central Ave #753, Los Angeles, CA 90012
+1844-502-1411
Electrician
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Electrical G‎‎a‎‎r‎‎‎‎a‎‎g‎‎e photo 1
5

First Choice Electricians

Google★★★★★511 reviews
Yelp1 stars11 reviews
→ Stable·3 mo: 5★ (3)·6 mo: 5★ (4)
314 Omar St, Los Angeles, CA 90013
+1323-924-3273
Electrician
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6

Urgent Electrician Los Angeles

Google★★★★★54 reviews
→ Stable·3 mo: 5★ (18)·6 mo: 5★ (21)
3451 El Camino Real, Los Angeles, CA 90023
+1323-870-1479
Electrician
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