Top 50 of 348 electricians, in emergency orderUpdated 0 paid placements in this rankingHow we rank
25 of the 50 electricians on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.
#1 for emergency electrical work in Blackhawk: Service Champions, open 24/7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
| Rank | Business | CR Score | Google rating | Based in | Hours |
|---|---|---|---|---|---|
| 1 | Service Champions | 64 | 4.9★ (1,331) | Livermore, 11 mi away | 24/7 |
| 2 | Best Electric Systems Danville | 61 | 5.0★ (48) | Danville, 2 mi away | 24/7 |
| 3 | Mr. Electric of Concord CA | 61 | 4.9★ (241) | Concord, 11 mi away | 24/7 |
| 4 | S&B Electric | 60 | 4.9★ (109) | Alamo, 9 mi away | 24/7 |
| 5 | Perfect Star Heating, Cooling, & Electrical | 60 | 4.9★ (1,255) | Concord, 10 mi away | 24/7 |
| 6 | Perfect Star Heating, Cooling, & Electrical | 60 | 4.9★ (2,331) | Antioch, 14 mi away | 24/7 |
| 7 | Golden Electrical Services | 60 | 5.0★ (93) | Livermore, 12 mi away | 24/7 |
| 8 | Service Champions | 59 | 4.9★ (4,721) | Livermore, 11 mi away | 24/7 |
| 9 | Five Or Free Electrical Heating & Air Solutions | 59 | 4.9★ (89) | Livermore, 14 mi away | 24/7 |
| 10 | Hummingbird Electric LLC, Danville | 59 | 5.0★ (26) | Hercules, 7 mi away | 24/7 |
24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.
Open 24/7 · 4.9 from 1,331 Google reviews
#2Best Electric Systems Danville
Open 24/7 · 5.0 from 48 Google reviews
Open 24/7 · 4.9 from 241 Google reviews
Open 24/7 · 4.9 from 109 Google reviews
#5Perfect Star Heating, Cooling, & Electrical
Open 24/7 · 4.9 from 1,255 Google reviews
#6Perfect Star Heating, Cooling, & Electrical
Open 24/7 · 4.9 from 2,331 Google reviews
Open 24/7 · 5.0 from 93 Google reviews
Open 24/7 · 4.9 from 4,721 Google reviews
24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 348 is on the electricians page.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,331 Google reviews, listed on Google as “Electrician”.
Based in Danville, 2 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Electrician”.
Based in Concord, 11 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 241 Google reviews, listed on Google as “Electrician”.
Based in Alamo, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 109 Google reviews, listed on Google as “Electrician”.
Based in Concord, 10 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 1,255 Google reviews.
Based in Antioch, 14 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 2,331 Google reviews.
Based in Livermore, 12 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Electrician”.
Based in Livermore, 11 mi away
Ranked #8 because of its Google rating and review volume: 4.9★ from 4,721 Google reviews.
Based in Livermore, 14 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 89 Google reviews, listed on Google as “Electrician”.
Based in Hercules, 7 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Electrician”.
Based in Antioch, 12 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Electrician”.
Based in Oakland, 19 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 219 Google reviews, listed on Google as “Electrician”.
Based in Pleasanton, 9 mi away
Ranked #13 because of its Google rating and review volume: 4.8★ from 2,337 Google reviews.
Based in Livermore, 13 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Electrician”.
Based in Concord, 11 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Electrician”.
Based in Martinez, 16 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews.
Based in Walnut Creek, 11 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Electrician”.
Based in Union City, 17 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 93 Google reviews, listed on Google as “Electrician”.
Based in Berkeley, 13 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 33 Google reviews, listed on Google as “Electrician”.
Based in Benicia, 21 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 138 Google reviews, listed on Google as “Electrician”.
Based in Fremont, 20 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 82 Google reviews, listed on Google as “Electrician”.
Based in Ashland, 12 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Electrician”.
Based in Alameda, 10 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Electrician”.
Based in Antioch, 4 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Electrician”.
Based in Fremont, 19 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Electrician”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.
Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 electricians are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from |
|---|---|---|
| Reputation | 15% | Google star rating, adjusted for how many reviews back it |
| Credentials | 15% | Active state license, bond and workers’ comp on file |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list |
| Recency | 5% | Share of reviews from the last 12 months |
| Availability | 15% | Weekly open hours, Saturday, Sunday, 24/7 or same-day |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) |
| Proximity | 5% | Based in the city scores highest, less the farther away it is |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are |