229 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Discovery Bay: Service Champions, CR Score 62/100; 4.9★ from 1,331 Google reviews; open 24/7.
Best for emergencies (open 24/7): Perfect Star Heating, Cooling, & Electrical, posts 24/7 hours; ranked #3 of 229.
Most-reviewed: Service Champions, 4,721 Google reviews at 4.9★, the most of 229 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
229 Discovery Bay electricians are ranked here by CR Score, from ten published factors. 39 are open 24/7, 119 open Saturdays and 76 open Sundays, based on posted hours. The median Google rating is 5.0★ across 229 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Service Champions | 62 | 4.9★ (1,331) | Livermore, 19 mi away | 24/7 | Overall |
| 2 | Hilite Electric llc. 24Hr Electrical Services | 61 | 5.0★ (258) | Tracy, 14 mi away | Sat · Sun · Evenings · Emergency | — |
| 3 | Perfect Star Heating, Cooling, & Electrical | 60 | 4.9★ (2,331) | Antioch, 15 mi away | 24/7 | Emergencies |
| 4 | CEZ Electric and Maintenance | 59 | 5.0★ (52) | Antioch, 13 mi away | 24/7 | — |
| 5 | Golden Electrical Services | 58 | 5.0★ (93) | Livermore, 18 mi away | 24/7 | — |
| 6 | Mr. Electric of Concord CA | 58 | 4.9★ (241) | Concord, 24 mi away | 24/7 | — |
| 7 | Service Champions | 57 | 4.9★ (4,721) | Livermore, 19 mi away | 24/7 | Most reviews |
| 8 | Nrl electrical | 57 | 5.0★ (22) | Discovery Bay | Sat | — |
| 9 | Artisan Electrical & HVAC Inc. | 57 | 5.0★ (69) | Tracy, 14 mi away | Sat · Sun · Evenings | — |
| 10 | Best Electric Systems Danville | 57 | 5.0★ (48) | Danville, 18 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
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 Tracy, 14 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 258 Google reviews, listed on Google as “Electrical installation service”.
Based in Antioch, 15 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 2,331 Google reviews.
Based in Antioch, 13 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Electrician”.
Based in Livermore, 18 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Electrician”.
Based in Concord, 24 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 241 Google reviews, listed on Google as “Electrician”.
Based in Livermore, 19 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 4,721 Google reviews, the most in Discovery Bay.
Based in Discovery Bay
Ranked #8 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Electrician”.
Based in Tracy, 14 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 69 Google reviews, listed on Google as “Electrician”.
Based in Danville, 18 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Electrician”.
Based in Concord, 22 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 1,255 Google reviews.
Based in Oakley, 9 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Electrician”.
Based in Alamo, 25 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 109 Google reviews, listed on Google as “Electrician”.
Based in Antioch, 9 mi away
Ranked #14 because of its Google rating and trade focus: 4.3★ from 17 Google reviews, listed on Google as “Electrical installation service”.
Based in Livermore, 17 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 89 Google reviews, listed on Google as “Electrician”.
Based in Tracy, 15 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Electrical installation service”.
Based in Galt, 23 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Electrician”.
Based in Los Gatos, 9 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Electrician”.
Based in Concord, 23 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 34 Google reviews, listed on Google as “Electrician”.
Based in Antioch, 8 mi away
Ranked #20 because of its Google rating and trade focus: 4.1★ from 28 Google reviews, listed on Google as “Electrician”.
Based in Antioch, 11 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Electrician”.
Based in Oakley, 6 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Electrical installation service”.
Based in Lathrop, 8 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Electrician”.
Based in Antioch, 10 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “Electrician”.
Based in Hercules, 23 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 26 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. We publish the top 50 of 229 ranked electricians here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Mancia Electric INC | 55 | 5.0★ (4) | 12 mi |
| 27 | C.G.E Lighting & Electric | 55 | 5.0★ (18) | 14 mi |
| 28 | Pure Electric | 55 | 3.8★ (6) | In Discovery Bay |
| 29 | Service Champions | 55 | 4.8★ (2,337) | 23 mi |
| 30 | Jose Romero Martinez | 55 | 5.0★ (8) | 17 mi |
| 31 | Bedford Electric | 55 | 5.0★ (6) | 9 mi |
| 32 | Trident Installations | 54 | 5.0★ (12) | 14 mi |
| 33 | Hamilton Electric | 54 | 5.0★ (31) | 13 mi |
| 34 | Mobile Repair Squad | 54 | 4.6★ (69) | 12 mi |
| 35 | Wired Right Electric | 54 | 5.0★ (47) | 17 mi |
| 36 | Safeway Electric | 54 | 5.0★ (17) | 17 mi |
| 37 | Springtown Electric | 54 | 5.0★ (56) | 18 mi |
| 38 | Fine Designs Electric | 54 | 4.5★ (8) | 18 mi |
| 39 | Pro Electric Gate Repair | 54 | 4.7★ (37) | 5 mi |
| 40 | Vega Electric Services | 54 | 5.0★ (23) | 15 mi |
| 41 | Hunt's Electrical Contracting | 54 | 5.0★ (10) | 16 mi |
| 42 | Northern Lights Electric, Inc. | 53 | 5.0★ (47) | 21 mi |
| 43 | Sherwood Electric Inc | 53 | 4.8★ (5) | 8 mi |
| 44 | Goose Electric | 53 | 4.9★ (63) | 22 mi |
| 45 | Guardian Electrical Contractors | 53 | 5.0★ (8) | 10 mi |
| 46 | C. Bates Electric | 53 | 5.0★ (174) | 24 mi |
| 47 | Altamont Electric | 53 | 5.0★ (18) | 16 mi |
| 48 | Real Electrical Services | 53 | 4.6★ (9) | 24 mi |
| 49 | Bay Area Electric LLC | 53 | 5.0★ (4) | 8 mi |
| 50 | Bright Prodigy | 53 | 5.0★ (44) | 22 mi |
20 more electricians within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| ADC Construction | 4.9★ (38) | 24 mi |
| Black Diamond Electric | 3.5★ (6) | 15 mi |
| Cookson Electrical & General Construction | 1.0★ (2) | 8 mi |
| Dallas Kort Electric | 4.5★ (6) | 22 mi |
| Dave's Handyman Services | 3.8★ (5) | 13 mi |
| Fuse service | 5.0★ (29) | 23 mi |
| Galaxy Heating & Air Conditioning | 4.8★ (370) | 25 mi |
| Galaxy Heating & Air Conditioning | 4.8★ (50) | 21 mi |
| Green Air Heating and Air Conditioning, Inc. | 4.6★ (69) | 25 mi |
| Harman Electricals | 4.0★ (3) | 23 mi |
| ICR Electrical Contractors | 5.0★ (2) | 12 mi |
| Just Do It Electrical Services | 5.0★ (2) | 20 mi |
| KK Construction | 5.0★ (7) | 14 mi |
| R4 Electric Company Inc. | 4.9★ (10) | 21 mi |
| Red Top Electric Co | 5.0★ (2) | 15 mi |
| Rescue Electric | 3.4★ (5) | 18 mi |
| Ri Electric | In Discovery Bay | |
| Robbert Construction Engineering | In Discovery Bay | |
| T Harrison Electric | 4.3★ (3) | 14 mi |
| United Constructors Inc. | 4.9★ (48) | 24 mi |
National price ranges in USD, not adjusted for Discovery Bay. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Electrical panel upgrade | $518 | $1,347 | $2,193 | Per panel, installed; typical range of customer-reported jobs. US national range | October 2026 |
In California, Contractors State License Board (CSLB) licenses C-10 Electrical contractor license (electricians themselves are certified by the Department of Industrial Relations).
Jobs of $1,000 or more in labor and materials (from January 1, 2025).
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
We scored 229 Discovery Bay electricians on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
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 | In Discovery Bay data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |