89/100CR Score
Ranked #1 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
- 5 Commerce Dr #5, Shelton, CT 06484
Best Electricians in Shelton, CT (2026)
397 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Shelton: Mister Sparky®, CR Score 89/100; 4.7★ from 83 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Macos Electric LLC, posts 24/7 hours; ranked #2 of 397.
- 47
Most-reviewed: Astacio Heating, Cooling, Plumbing & Electrical, 1,998 Google reviews at 4.8★, the most of 397 ranked; ranked #47.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
397 Shelton electricians are ranked here by CR Score, from 8 published factors. 81 are open 24/7, 192 open Saturdays and 113 open Sundays, based on posted hours. The median Google rating is 5.0★ across 397 rated businesses.
Top 10 electricians in Shelton at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mister Sparky® | 89 | 4.7★ (83) | Shelton | 24/7 | Overall |
| 2 | Macos Electric LLC | 89 | 4.9★ (35) | Shelton | 24/7 | Emergencies |
| 3 | Lagasse Electric LLC | 88 | 5.0★ (53) | Milford, 8 mi away | 24/7 | — |
| 4 | Pagliaro's PowerSource | 88 | 5.0★ (18) | Shelton | 24/7 | — |
| 5 | The Generator Guys, LLC | 88 | 4.9★ (95) | Southbury, 11 mi away | 24/7 | — |
| 6 | POWERHOUSE ELECTRIC CT | 88 | 5.0★ (237) | Darien, 21 mi away | 24/7 | — |
| 7 | QC Electric | 88 | 5.0★ (261) | Wallingford Center, 22 mi away | 24/7 | — |
| 8 | Accurate Electrical Contractors | 88 | 5.0★ (619) | Prospect, 14 mi away | 24/7 | — |
| 9 | G. Gray Electric LLC | 87 | 4.9★ (207) | Ansonia, 22 mi away | 24/7 | — |
| 10 | Santella Electric | 86 | 4.9★ (247) | New Canaan, 24 mi away | 24/7 | — |
The 397 best electricians in Shelton, 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 Shelton
89/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 35 Google reviews, open 24/7.
- 4.9★ from 35 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- CT-108, Shelton, CT 06484
Based in Milford, 8 mi away
88/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 53 Google reviews, open 24/7.
- 5.0★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 959 New Haven Ave, Milford, CT 06460
Based in Shelton
88/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 177 Coram Rd, Shelton, CT 06484
Based in Southbury, 11 mi away
88/100CR ScoreRanked #5 because of its Google rating and availability: 4.9★ from 95 Google reviews, open 24/7.
- 4.9★ from 95 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 522 N Georges Hill Rd, Southbury, CT 06488
Based in Darien, 21 mi away
88/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 237 Google reviews, open 24/7.
- 5.0★ from 237 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#7 QC Electric
Based in Wallingford Center, 22 mi away
88/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 261 Google reviews, open 24/7.
- 5.0★ from 261 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Prospect, 14 mi away
88/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 619 Google reviews, open 24/7.
- 5.0★ from 619 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 123 Union City Rd, Prospect, CT 06712
Based in Ansonia, 22 mi away
87/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 207 Google reviews, open 24/7.
- 4.9★ from 207 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in New Canaan, 24 mi away
86/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 247 Google reviews, open 24/7.
- 4.9★ from 247 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4 Cross St, New Canaan, CT 06840
Based in Stratford, 7 mi away
86/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
- 5.0★ from 34 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 175 Cannon Dr, Stratford, CT 06614
Based in West Haven, 8 mi away
86/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 128 Google reviews, listed on Google as “Electrical installation service”.
- 4.9★ from 128 Google reviews
- Hours
- Mon–Sun 7 AM–11 PM
- Address
- 57 Linden St, West Haven, CT 06516
Based in Waterbury, 18 mi away
86/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 326 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 326 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun 1 PM–6 PM
- Address
- 290 Macauley Ave, Waterbury, CT 06705
Based in Bristol, 22 mi away
86/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 99 Google reviews, open 24/7.
- 5.0★ from 99 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Orange, 4 mi away
86/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.9★ from 351 Google reviews, listed on Google as “Electrician”.
- 4.9★ from 351 Google reviews
- Hours
- Mon–Sat 8 AM–8 PM · Sun closed
- Address
- 821 Racebrook Rd, Orange, CT 06477
Based in Danbury, 19 mi away
85/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 61 Google reviews, open 24/7.
- 5.0★ from 61 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11 Lily Dr, Danbury, CT 06811
Based in Ansonia, 3 mi away
85/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 40 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun 7 AM–12 PM
Based in New Milford, 24 mi away
85/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 111 Google reviews, open 24/7.
- 5.0★ from 111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 38 Sunny Valley Rd, New Milford, CT 06776
Based in Meriden, 20 mi away
85/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 62 Google reviews, open 24/7.
- 5.0★ from 62 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 116 Parkview St, Meriden, CT 06451
Based in Hebron, 22 mi away
85/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 108 Google reviews, open 24/7.
- 4.9★ from 108 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Madison, 22 mi away
85/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 76 Google reviews, open 24/7.
- 5.0★ from 76 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 181 David Rd, Durham, CT 06422
Based in Milford, 7 mi away
85/100CR ScoreRanked #22 because of its Google rating and availability: 4.7★ from 1,151 Google reviews, open 24/7.
- 4.7★ from 1,151 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 922 Bridgeport Ave, Milford, CT 06460
#23 AV Electric LLC
Based in Danbury, 17 mi away
85/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 31 Google reviews, open 24/7.
- 5.0★ from 31 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Cheshire Village, 13 mi away
85/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 17 Google reviews, open 24/7.
- 5.0★ from 17 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Wallingford, 19 mi away
84/100CR ScoreRanked #25 because of its Google rating and availability: 4.8★ from 601 Google reviews, open 24/7.
- 4.8★ from 601 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 21 N Plains Industrial Rd unit C, Wallingford, CT 06492
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 397 ranked electricians here; the rest are on their profiles.
Also serving Shelton
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 |
|---|---|---|
| Advantage Electrical LLC | 4.5★ (2) | 3 mi |
| Air and Water Solutions, Llc | 4.0★ (73) | In Shelton |
| Bryant Electric Co. | In Shelton | |
| Criscione Electrical Services LLC | 3.0★ (2) | 6 mi |
| CT Home Generator Systems | 4.6★ (32) | 22 mi |
| Derek's Electric Service llc | In Shelton | |
| Electrical MD | 5.0★ (1) | In Shelton |
| Empower Electric LLC | 5.0★ (4) | 13 mi |
| Giggly Gallons Paint and Drywall LLC | 5.0★ (52) | In Shelton |
| IES Residential | In Shelton | |
| Jamm Electrical Service | 5.0★ (8) | 11 mi |
| Kings electrical contracting | 5.0★ (4) | 8 mi |
| L&M Electric, LLC | 4.2★ (21) | 16 mi |
| Lupo Electric, LLC | 4.6★ (10) | 20 mi |
| Millsbro’s Electric & Construction LLC | 5.0★ (3) | 11 mi |
| Nuwave Audio Video | In Shelton | |
| Pat Mahoney Electric LLC | 2.0★ (1) | In Shelton |
| Roberto Electric Co | 5.0★ (2) | In Shelton |
| Universal Electric Co | In Shelton | |
| Woods Lightning Protection Installations LLC | 4.4★ (7) | In Shelton |
How much do electricians cost in Shelton?
National price ranges in USD, not adjusted for Shelton. 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 Connecticut
In Connecticut, Connecticut Department of Consumer Protection licenses Electrical wiring and equipment work.
- Search the business name or license number on the Connecticut Department of Consumer Protection license lookup.
- 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 Shelton electricians
We scored 397 Shelton 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 Shelton 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 Shelton: frequently asked questions
Who is the best electrician in Shelton?
By CR Score, the highest-ranked electrician in Shelton, CT is Mister Sparky® with a CR Score of 89/100. It has 4.7★ from 83 Google reviews. It is open 24/7. Macos Electric LLC (#2) and Lagasse Electric LLC (#3) follow. We ranked 397 electricians on 8 factors, last updated October 22, 2026.
How many electricians are there in Shelton?
ContractorsRanked ranks 397 electricians serving Shelton, CT. 3 of them are based in Shelton; 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 Shelton are open 24/7?
81 ranked electricians in Shelton post 24/7 hours. The highest-ranked are Mister Sparky® (#1), Macos Electric LLC (#2) and Lagasse Electric LLC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which electricians in Shelton work on weekends?
192 of 397 ranked electricians post Saturday hours and 113 post Sunday hours. The highest-ranked open Saturdays are Mister Sparky® (#1), Macos Electric LLC (#2) and Lagasse Electric LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check an electrician's license in Connecticut?
In Connecticut, Connecticut Department of Consumer Protection handles licensing and covers Electrical wiring and equipment work. Search the business or license number at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx.
How much does electrical panel upgrade cost in Shelton?
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 Shelton. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Shelton electricians have?
The median Google rating among 397 rated electricians in Shelton is 5.0★, with a median of 9 reviews. Astacio Heating, Cooling, Plumbing & Electrical has the most, 1,998 reviews, and ranks #47. 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 Shelton
- October 2026: CR Scores recalculated for 397 electricians serving Shelton.
- October 2026: 6 duplicate listings merged.
More electricians and Shelton pages
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