90/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 1,540 Google reviews, open 24/7.
- 4.9★ from 1,540 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12 Meem Ave Suite A, Gaithersburg, MD 20877
Best Electricians in Colesville, MD (2026)
808 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Colesville: Electrical Connections, CR Score 90/100; 4.9★ from 1,540 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Wadi Electric - Electricians, posts 24/7 hours; ranked #2 of 808.
- 10
Most-reviewed: F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, 5,985 Google reviews at 4.7★, the most of 808 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
808 Colesville electricians are ranked here by CR Score, from 8 published factors. 197 are open 24/7, 448 open Saturdays and 293 open Sundays, based on posted hours. The median Google rating is 4.9★ across 808 rated businesses.
Top 10 electricians in Colesville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Electrical Connections | 90 | 4.9★ (1,540) | Gaithersburg, 12 mi away | 24/7 | Overall |
| 2 | Wadi Electric - Electricians | 90 | 4.8★ (882) | Catonsville, 6 mi away | 24/7 | Emergencies |
| 3 | M.R. Electricians, Inc. | 88 | 4.9★ (226) | Darnestown, 9 mi away | 24/7 | — |
| 4 | Bailey & Shipp | 88 | 5.0★ (881) | Baltimore, 20 mi away | 24/7 | — |
| 5 | F.H. Furr Plumbing, Heating, Air Conditioning & Electrical | 88 | 4.8★ (1,788) | Glen Burnie, 18 mi away | 24/7 | — |
| 6 | Johnson Electric Company, Inc. | 88 | 4.9★ (135) | Washington, D.C., 8 mi away | 24/7 | — |
| 7 | Haas & Sons Electric - Electricians | 87 | 4.9★ (1,181) | Baltimore, 20 mi away | 24/7 | — |
| 8 | Precise Building Services | 87 | 5.0★ (160) | Washington, D.C., 12 mi away | 24/7 | — |
| 9 | UnderDogs Electric LLC | 87 | 5.0★ (91) | Hyattsville, 8 mi away | 24/7 | — |
| 10 | F.H. Furr Plumbing, Heating, Air Conditioning & Electrical | 87 | 4.7★ (5,985) | Rockville, 7 mi away | 24/7 | Most reviews |
The 808 best electricians in Colesville, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Catonsville, 6 mi away
90/100CR ScoreRanked #2 because of its Google rating and availability: 4.8★ from 882 Google reviews, open 24/7.
- 4.8★ from 882 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Darnestown, 9 mi away
88/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 226 Google reviews, open 24/7.
- 4.9★ from 226 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 15754 Crabbs Branch Way, Derwood, MD 20855
Based in Baltimore, 20 mi away
88/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 881 Google reviews, open 24/7.
- 5.0★ from 881 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8229 Cloverleaf Dr STE 460, Millersville, MD 21108
Based in Glen Burnie, 18 mi away
88/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 1,788 Google reviews, open 24/7.
- 4.8★ from 1,788 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 530 McCormick Dr Suite Q, Glen Burnie, MD 21061
Based in Washington, D.C., 8 mi away
88/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 135 Google reviews, open 24/7.
- 4.9★ from 135 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6230 3rd St NW, Washington, DC 20011
Based in Baltimore, 20 mi away
87/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 1,181 Google reviews, open 24/7.
- 4.9★ from 1,181 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 403 Headquarters Dr Unit 5, Millersville, MD 21108
Based in Washington, D.C., 12 mi away
87/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 160 Google reviews, open 24/7.
- 5.0★ from 160 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1140 3rd St NE Ste 200, Washington, DC 20002
Based in Hyattsville, 8 mi away
87/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 91 Google reviews, open 24/7.
- 5.0★ from 91 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5810 32nd Ave, Hyattsville, MD 20782
Based in Rockville, 7 mi away
87/100CR ScoreRanked #10 because of its Google rating and availability: 4.7★ from 5,985 Google reviews, open 24/7.
- 4.7★ from 5,985 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 685 Lofstrand Ln, Rockville, MD 20850
#11 Lilly Electric
Based in Bowie, 15 mi away
87/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 234 Google reviews, open 24/7.
- 5.0★ from 234 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4412 Olando Ln, Bowie, MD 20715
#12 Lux Now
Based in Silver Spring, 2 mi away
87/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 46 Google reviews, open 24/7.
- 4.9★ from 46 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12230 Longfield Dr, Silver Spring, MD 20904
#13 WireFox Electric
Based in Odenton, 15 mi away
87/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 223 Google reviews, open 24/7.
- 5.0★ from 223 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 249 St Michaels Cir, Odenton, MD 21113
#14 JQ Electric
Based in Crofton, 18 mi away
87/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 323 Google reviews, open 24/7.
- 5.0★ from 323 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2509 Walden Dr, Crofton, MD 21114
Based in Laurel, 6 mi away
87/100CR ScoreRanked #15 because of its Google rating and availability: 4.7★ from 168 Google reviews, open 24/7.
- 4.7★ from 168 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6218 Roblynn Rd, Laurel, MD 20707
Based in Arlington, 17 mi away
86/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 199 Google reviews, open 24/7.
- 5.0★ from 199 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2421 S Dinwiddie St, Arlington, VA 22206
#17 H Electrics
Based in Columbia, 12 mi away
86/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 97 Google reviews, open 24/7.
- 5.0★ from 97 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5523 Mystic Ct, Columbia, MD 21044
Based in Colesville
86/100CR ScoreRanked #18 because of its Google rating and availability: 4.7★ from 83 Google reviews, open 24/7.
- 4.7★ from 83 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13444 New Hampshire Ave #4810, Colesville, MD 20904
Based in Gaithersburg, 11 mi away
86/100CR ScoreRanked #19 because of its Google rating and availability: 4.8★ from 2,083 Google reviews, open 24/7.
- 4.8★ from 2,083 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7940 Cessna Ave, Gaithersburg, MD 20879
Based in Columbia, 12 mi away
86/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 135 Google reviews, open 24/7.
- 4.8★ from 135 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10730 Little Patuxent Pkwy, Columbia, MD 21044
Based in Beltsville, 4 mi away
86/100CR ScoreRanked #21 because of its Google rating and availability: 4.8★ from 26 Google reviews, open 24/7.
- 4.8★ from 26 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11338 Cherry Hill Rd #201, Beltsville, MD 20705
Based in Washington, D.C., 9 mi away
86/100CR ScoreRanked #22 because of its Google rating and availability: 4.7★ from 113 Google reviews, open 24/7.
- 4.7★ from 113 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 133 Webster St NW #6, Washington, DC 20011
Based in Beltsville, 6 mi away
86/100CR ScoreRanked #23 because of its Google rating and availability: 4.8★ from 98 Google reviews, open 24/7.
- 4.8★ from 98 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4931 Harford Ave, Beltsville, MD 20705
Based in Hanover, 18 mi away
85/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 128 Google reviews, open 24/7.
- 5.0★ from 128 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7525 Connelley Dr Ste C, Hanover, MD 21076
Based in Burtonsville, 4 mi away
85/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 838 Google reviews, open 24/7.
- 5.0★ from 838 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4010 Blackburn Ln, Burtonsville, MD 20866
Electricians ranked #26 to #50
#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 808 ranked electricians here; the rest are on their profiles.
Also serving Colesville
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 |
|---|---|---|
| Chevy Electric | 5.0★ (2) | 9 mi |
| CR Enterprises and Electric | 3.0★ (2) | 9 mi |
| Dahan Electric | 4.8★ (177) | 5 mi |
| Galaxy Electric | 3.5★ (2) | 9 mi |
| George's Electrical Service | 5.0★ (2) | 9 mi |
| Guaranteed Electrical Services, LLC | 5.0★ (2) | 5 mi |
| Harris Electric Company | 4.6★ (47) | 12 mi |
| Home Services at The Home Depot | 3.0★ (2) | 9 mi |
| ImEV MD | 5.0★ (2) | 10 mi |
| Mackey Electrical Services Inc | 4.5★ (2) | 8 mi |
| Max Electrical Constructions | 2.0★ (2) | 10 mi |
| Maxi Electrical Power | 5.0★ (23) | 9 mi |
| MDA Home Services | 5.0★ (2) | 5 mi |
| NB Peak Electric | 3.0★ (2) | 6 mi |
| NGACH ELECTRIC LLC | 5.0★ (51) | 13 mi |
| Rodriguez Painting | 5.0★ (2) | 5 mi |
| RoRo’s Electric LLC | 5.0★ (2) | 10 mi |
| Star Voltage Electric | 5.0★ (2) | 5 mi |
| Tech House, Inc. | 5.0★ (2) | 3 mi |
| Tendongkeng Construction LLC | 3.0★ (2) | 7 mi |
How much do electricians cost in Colesville?
National price ranges in USD, not adjusted for Colesville. 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 |
How to check an electrician's license in Maryland
In Maryland, Maryland State Board of Master Electricians licenses Electrical wiring and equipment work.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
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
How we ranked Colesville electricians
We scored 808 Colesville electricians on 8 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. Unknown factors are left out of the score, 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 Colesville data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Electricians in Colesville: frequently asked questions
Who is the best electrician in Colesville?
By CR Score, the highest-ranked electrician in Colesville, MD is Electrical Connections with a CR Score of 90/100. It has 4.9★ from 1,540 Google reviews. It is open 24/7. Wadi Electric - Electricians (#2) and M.R. Electricians, Inc. (#3) follow. We ranked 808 electricians on 8 factors, last updated October 22, 2026.
How many electricians are there in Colesville?
ContractorsRanked ranks 808 electricians serving Colesville, MD. 1 of them is based in Colesville; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which electricians in Colesville are open 24/7?
197 ranked electricians in Colesville post 24/7 hours. The highest-ranked are Electrical Connections (#1), Wadi Electric - Electricians (#2) and M.R. Electricians, Inc. (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which electricians in Colesville work on weekends?
448 of 808 ranked electricians post Saturday hours and 293 post Sunday hours. The highest-ranked open Saturdays are Electrical Connections (#1), Wadi Electric - Electricians (#2) and M.R. Electricians, Inc. (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check an electrician's license in Maryland?
In Maryland, Maryland State Board of Master Electricians handles licensing and covers Electrical wiring and equipment work.
How much does electrical panel upgrade cost in Colesville?
Electrical panel upgrade typically costs $518 to $2,193, with $1,347 typical (Per panel, installed; typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Colesville. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Colesville electricians have?
The median Google rating among 808 rated electricians in Colesville is 4.9★, with a median of 16 reviews. F.H. Furr Plumbing, Heating, Air Conditioning & Electrical has the most, 5,985 reviews, and ranks #10. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank electricians?
Each electrician gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Colesville
- October 2026: CR Scores recalculated for 808 electricians serving Colesville.
- October 2026: 5 duplicate listings merged.
More electricians and Colesville pages
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