93/100CR 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 Gaithersburg, MD (2026)
708 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Gaithersburg: Electrical Connections, CR Score 93/100; 4.9★ from 1,540 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): M.R. Electricians, Inc., posts 24/7 hours; ranked #2 of 708.
- 4
Most-reviewed: F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, 5,985 Google reviews at 4.7★, the most of 708 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
708 Gaithersburg electricians are ranked here by CR Score, from 8 published factors. 166 are open 24/7, 382 open Saturdays and 245 open Sundays, based on posted hours. The median Google rating is 4.9★ across 708 rated businesses.
Most of this list also appears on the Electricians in Germantown ranking. See Electricians in Germantown
Top 10 electricians in Gaithersburg at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Electrical Connections | 93 | 4.9★ (1,540) | Gaithersburg | 24/7 | Overall |
| 2 | M.R. Electricians, Inc. | 90 | 4.9★ (226) | Darnestown, 3 mi away | 24/7 | Emergencies |
| 3 | Michael Bonsby HVAC, Plumbing & Electrical | 89 | 4.8★ (2,083) | Gaithersburg | 24/7 | — |
| 4 | F.H. Furr Plumbing, Heating, Air Conditioning & Electrical | 88 | 4.7★ (5,985) | Rockville, 5 mi away | 24/7 | Most reviews |
| 5 | Wadi Electric - Electricians | 87 | 4.8★ (882) | Catonsville, 16 mi away | 24/7 | — |
| 6 | Ryan Electric | 87 | 5.0★ (428) | Frederick, 21 mi away | 24/7 | — |
| 7 | Castro Electrical Services | 86 | 4.8★ (365) | Rockville, 4 mi away | Sat · Sun · Evenings | — |
| 8 | Johnson Electric Company, Inc. | 85 | 4.9★ (135) | Washington, D.C., 16 mi away | 24/7 | — |
| 9 | Have Power Electrical Services Division | 85 | 4.8★ (54) | Potomac, 9 mi away | 24/7 | — |
| 10 | Precise Building Services | 85 | 5.0★ (160) | Washington, D.C., 20 mi away | 24/7 | — |
The 708 best electricians in Gaithersburg, 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 Darnestown, 3 mi away
90/100CR ScoreRanked #2 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 Gaithersburg
89/100CR ScoreRanked #3 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 Rockville, 5 mi away
88/100CR ScoreRanked #4 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
Based in Catonsville, 16 mi away
87/100CR ScoreRanked #5 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 Frederick, 21 mi away
87/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 428 Google reviews, open 24/7.
- 5.0★ from 428 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5713 Industry Ln #56, Frederick, MD 21704
Based in Rockville, 4 mi away
86/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 365 Google reviews, listed on Google as “Electrician”.
- 4.8★ from 365 Google reviews
- Hours
- Mon–Fri 7 AM–10 PM · Sat–Sun 2 PM–10 PM
- Address
- 7524 Standish Pl #150, Rockville, MD 20855
Based in Washington, D.C., 16 mi away
85/100CR ScoreRanked #8 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 Potomac, 9 mi away
85/100CR ScoreRanked #9 because of its Google rating and availability: 4.8★ from 54 Google reviews, open 24/7.
- 4.8★ from 54 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10220 River Rd #302, Potomac, MD 20854
Based in Washington, D.C., 20 mi away
85/100CR ScoreRanked #10 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 Arlington, 21 mi away
85/100CR ScoreRanked #11 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
Based in Darnestown, 2 mi away
85/100CR ScoreRanked #12 because of its Google rating and availability: 4.7★ from 14 Google reviews, open 24/7.
- 4.7★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#13 H Electrics
Based in Columbia, 18 mi away
85/100CR ScoreRanked #13 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 Ashburn, 15 mi away
85/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 2,314 Google reviews, open 24/7.
- 4.8★ from 2,314 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 20145 Ashbrook Pl #110, Ashburn, VA 20147
Based in Hyattsville, 18 mi away
85/100CR ScoreRanked #15 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
#16 YC Electric
Based in Olney, 7 mi away
85/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 1,208 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 1,208 Google reviews
- Hours
- Mon–Sat 7 AM–4 PM · Sun closed
- Address
- 17024 Georgia Ave, Olney, MD 20832
Based in Washington, D.C., 11 mi away
85/100CR ScoreRanked #17 because of its Google rating and availability: 4.7★ from 88 Google reviews, open 24/7.
- 4.7★ from 88 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#18 TV Mount Tech
Based in Aspen Hill, 10 mi away
85/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 150 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 150 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
Based in Clarksburg, 5 mi away
85/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 72 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 72 Google reviews
- Hours
- Mon–Fri 7:30 AM–5 PM · Sat–Sun 9 AM–5 PM
Based in Gaithersburg
85/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Electrician”.
- 4.9★ from 48 Google reviews
- Hours
- Mon–Thu 10 AM–6 PM · Fri 10 AM–7 PM · Sat 9 AM–7 PM · Sun 10 AM–5 PM
- Address
- 18310 Montgomery Village Ave #300, Gaithersburg, MD 20879
#21 Lux Now
Based in Silver Spring, 14 mi away
84/100CR ScoreRanked #21 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
Based in Bethesda, 11 mi away
84/100CR ScoreRanked #22 because of its Google rating and availability: 4.7★ from 50 Google reviews, open 24/7.
- 4.7★ from 50 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Laurel, 16 mi away
84/100CR ScoreRanked #23 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 Gaithersburg
84/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 28 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–6 PM · Sun 8 AM–7 PM
- Address
- MD-355, Gaithersburg, MD 20886
Based in Columbia, 18 mi away
84/100CR ScoreRanked #25 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
Electricians ranked #26 to #43
#1 to #25 are shown in full above. Here are #26 to #43, in CR Score order; each links to its profile. We publish the top 43 of 708 ranked electricians here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | POWER CIRCUIT ELECTRIC & TECH | 84 | 5.0★ (11) | 8 mi |
| 27 | Luis&James Electric LLC. | 83 | 4.7★ (113) | 17 mi |
| 37 | L.V. Electric, LLC | 83 | 4.6★ (81) | 15 mi |
| 43 | Kolb Electric | 83 | 3.2★ (12) | In Gaithersburg |
Also serving Gaithersburg
2 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 |
|---|---|---|
| Coburn Electric LLC | 5.0★ (68) | 15 mi |
| Dahan Electric | 4.8★ (177) | 15 mi |
How much do electricians cost in Gaithersburg?
National price ranges in USD, not adjusted for Gaithersburg. 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 Gaithersburg electricians
We scored 708 Gaithersburg 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 Gaithersburg 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 Gaithersburg: frequently asked questions
Who is the best electrician in Gaithersburg?
By CR Score, the highest-ranked electrician in Gaithersburg, MD is Electrical Connections with a CR Score of 93/100. It has 4.9★ from 1,540 Google reviews. It is open 24/7. M.R. Electricians, Inc. (#2) and Michael Bonsby HVAC, Plumbing & Electrical (#3) follow. We ranked 708 electricians on 8 factors, last updated October 22, 2026.
How many electricians are there in Gaithersburg?
ContractorsRanked ranks 708 electricians serving Gaithersburg, MD. 5 of them are based in Gaithersburg; the rest serve it from nearby towns. Another 2 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which electricians in Gaithersburg are open 24/7?
166 ranked electricians in Gaithersburg post 24/7 hours. The highest-ranked are Electrical Connections (#1), M.R. Electricians, Inc. (#2) and Michael Bonsby HVAC, Plumbing & Electrical (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which electricians in Gaithersburg work on weekends?
382 of 708 ranked electricians post Saturday hours and 245 post Sunday hours. The highest-ranked open Saturdays are Electrical Connections (#1), M.R. Electricians, Inc. (#2) and Michael Bonsby HVAC, Plumbing & Electrical (#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 Gaithersburg?
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 Gaithersburg. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Gaithersburg electricians have?
The median Google rating among 708 rated electricians in Gaithersburg 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 #4. 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 Gaithersburg
- October 2026: CR Scores recalculated for 708 electricians serving Gaithersburg.
- October 2026: 5 duplicate listings merged.
More electricians and Gaithersburg pages
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