62/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 2,927 Google reviews.
- 4.8★ from 2,927 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 131 Stedman St #6, Chelmsford, MA 01824
Best Electricians in Chelmsford, MA (2026)
672 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Chelmsford: MillTown Plumbing, Heating, Cooling and Electrical, CR Score 62/100; 4.8★ from 2,927 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Sylvester Electric, Inc., posts 24/7 hours; ranked #2 of 672.
- 25
Most-reviewed: Sila Heating, Air Conditioning, Plumbing & Electrical, 4,377 Google reviews at 4.9★, the most of 672 ranked; ranked #25.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
672 Chelmsford electricians are ranked here by CR Score, from ten published factors. 163 are open 24/7, 340 open Saturdays and 223 open Sundays, based on posted hours. The median Google rating is 5.0★ across 672 rated businesses.
Top 10 electricians in Chelmsford at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | MillTown Plumbing, Heating, Cooling and Electrical | 62 | 4.8★ (2,927) | Chelmsford | 24/7 | Overall |
| 2 | Sylvester Electric, Inc. | 62 | 4.7★ (898) | Dracut, 7 mi away | 24/7 | Emergencies |
| 3 | Kuhlman Electric | 62 | 5.0★ (335) | Acton, 3 mi away | Sat · Sun · Evenings | — |
| 4 | TF Electric | 62 | 5.0★ (148) | Dracut, 5 mi away | 24/7 | — |
| 5 | Integrity Electrical Services | 61 | 5.0★ (242) | Wilmington, 10 mi away | 24/7 | — |
| 6 | 128 Plumbing, Heating, Cooling & Electric | 61 | 5.0★ (443) | Chelmsford | 24/7 | — |
| 7 | Timothy Santos Electric | 61 | 5.0★ (100) | Tewksbury, 7 mi away | 24/7 | — |
| 8 | Pro Electrical Services, Inc | 60 | 5.0★ (59) | Billerica, 7 mi away | 24/7 | — |
| 9 | Cunha Electric Corp. | 60 | 5.0★ (48) | Chelmsford | 24/7 | — |
| 10 | Advanced Electrical Service Co. | 59 | 5.0★ (76) | Arlington, 10 mi away | 24/7 | — |
The 672 best electricians in Chelmsford, ranked
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.
Based in Dracut, 7 mi away
62/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 898 Google reviews, listed on Google as “Electrician”.
- 4.7★ from 898 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1794 Bridge St Unit 9a, Dracut, MA 01826
Based in Acton, 3 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 335 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 335 Google reviews
- Hours
- Mon–Fri 7:30 AM–7:30 PM · Sat 8 AM–5 PM · Sun 9 AM–5 PM
- Address
- 34 Sullivan Rd Unit 34, North Billerica, MA 01862
#4 TF Electric
Based in Dracut, 5 mi away
62/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 148 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 148 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1393 Lakeview Ave #3a, Dracut, MA 01826
Based in Wilmington, 10 mi away
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 242 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 242 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5 Middlesex Ave #15, Wilmington, MA 01887
Based in Chelmsford
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 443 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 443 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 80 Brick Kiln Rd, Chelmsford, MA 01824
Based in Tewksbury, 7 mi away
61/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 100 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 100 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 35 Hillman St #1, Tewksbury, MA 01876
Based in Billerica, 7 mi away
60/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 59 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 53 Baldwin Rd, Billerica, MA 01821
Based in Chelmsford
60/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 48 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Arlington, 10 mi away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 76 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Stoneham, 16 mi away
59/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 190 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 190 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8 Gilmore St, Stoneham, MA 02180
Based in Wakefield, 17 mi away
59/100CR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 3,912 Google reviews.
- 4.9★ from 3,912 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 78 Foundry St, Wakefield, MA 01880
Based in Chelmsford
59/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 427 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 427 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 21 Westech Dr, Tyngsborough, MA 01879
Based in Groveland, 8 mi away
59/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Electrical installation service”.
- 5.0★ from 46 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Lowell, 3 mi away
59/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 44 Google reviews
- Hours
- Mon–Sat 8 AM–9 PM · Sun 11 AM–6 PM
- Address
- 1695 Middlesex St, Lowell, MA 01851
Based in Billerica, 2 mi away
59/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 324 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 324 Google reviews
- Hours
- Mon–Fri 7 AM–3:30 PM · Sat–Sun closed
Based in Acton, 10 mi away
59/100CR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 3,978 Google reviews.
- 4.9★ from 3,978 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1220 Liberty Square Rd, Boxborough, MA 01719
Based in Framingham, 18 mi away
59/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 207 Google reviews, listed on Google as “Electrical installation service”.
- 4.9★ from 207 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Nashua, 12 mi away
58/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.7★ from 118 Google reviews, listed on Google as “Electrician”.
- 4.7★ from 118 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 78 Gilson Rd, Nashua, NH 03062
Based in Lowell, 3 mi away
58/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 68 Temple St, Lowell, MA 01851
Based in Arlington, 14 mi away
58/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 90 Google reviews, listed on Google as “Electrician”.
- 4.9★ from 90 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#22 TCK ELECTRIC
Based in Andover, 6 mi away
58/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 56 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Based in Andover, 3 mi away
58/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 11 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Billerica, 12 mi away
58/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Electrician”.
- 5.0★ from 42 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Stoneham, 16 mi away
58/100CR ScoreRanked #25 because of its Google rating and review volume: 4.9★ from 4,377 Google reviews, the most in Chelmsford.
- 4.9★ from 4,377 Google reviews
- Hours
- Mon–Fri 7:30 AM–8 PM · Sat–Sun 8 AM–5 PM
- Address
- 12 Oakland Ave #4, Stoneham, MA 02180
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 672 ranked electricians here; the rest are on their profiles.
Also serving Chelmsford
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 |
|---|---|---|
| Benjamin Electric | 5.0★ (2) | 6 mi |
| Cricket Residential Electricians | Lowell | 5.0★ (4) | 4 mi |
| Crowe & Sons Electrical Corporation | 1.0★ (1) | In Chelmsford |
| David Cooper Electrician Inc. | 5.0★ (18) | 13 mi |
| DC Electrical Service | 3.0★ (2) | 8 mi |
| Dielectric Sciences Inc | 5.0★ (1) | In Chelmsford |
| Fast Action Appliance Service | 4.7★ (113) | 19 mi |
| Frank Licata, Master Electrician | 3.4★ (5) | 3 mi |
| Mc Kie Electric | 3.5★ (2) | 6 mi |
| Michael F. Gioia Electrical Contractor LLC | 5.0★ (1) | In Chelmsford |
| Middlesex Electrical Contracting | In Chelmsford | |
| Naci Electric | 4.9★ (14) | 10 mi |
| O'Grady Electric | 5.0★ (2) | 7 mi |
| Precision Energy Corp. | 3.0★ (2) | 3 mi |
| Preferred Electrical Corporation | 5.0★ (2) | 8 mi |
| Ron Berube Electric | 5.0★ (2) | 7 mi |
| Steve Doe Electrician | In Chelmsford | |
| Thyne Electric & Alarms LLC | 5.0★ (2) | 6 mi |
| V&S ELECTRICAL CORP | In Chelmsford | |
| Wheaton Electrical Services Inc | 4.7★ (59) | 16 mi |
How much do electricians cost in Chelmsford?
National price ranges in USD, not adjusted for Chelmsford. 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 Massachusetts
In Massachusetts, Massachusetts Board of State Examiners of 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 Chelmsford electricians
We scored 672 Chelmsford 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 Chelmsford 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 |
Electricians in Chelmsford: frequently asked questions
Who is the best electrician in Chelmsford?
By CR Score, the highest-ranked electrician in Chelmsford, MA is MillTown Plumbing, Heating, Cooling and Electrical with a CR Score of 62/100. It has 4.8★ from 2,927 Google reviews. It is open 24/7. Sylvester Electric, Inc. (#2) and Kuhlman Electric (#3) follow. We ranked 672 electricians on ten factors, last updated October 22, 2026.
How many electricians are there in Chelmsford?
ContractorsRanked ranks 672 electricians serving Chelmsford, MA. 4 of them are based in Chelmsford; 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 Chelmsford are open 24/7?
163 ranked electricians in Chelmsford post 24/7 hours. The highest-ranked are MillTown Plumbing, Heating, Cooling and Electrical (#1), Sylvester Electric, Inc. (#2) and TF Electric (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which electricians in Chelmsford work on weekends?
340 of 672 ranked electricians post Saturday hours and 223 post Sunday hours. The highest-ranked open Saturdays are MillTown Plumbing, Heating, Cooling and Electrical (#1), Sylvester Electric, Inc. (#2) and Kuhlman Electric (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check an electrician's license in Massachusetts?
In Massachusetts, Massachusetts Board of State Examiners of Electricians handles licensing and covers Electrical wiring and equipment work.
How much does electrical panel upgrade cost in Chelmsford?
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 Chelmsford. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Chelmsford electricians have?
The median Google rating among 672 rated electricians in Chelmsford is 5.0★, with a median of 11 reviews. Sila Heating, Air Conditioning, Plumbing & Electrical has the most, 4,377 reviews, and ranks #25. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Chelmsford
- October 2026: CR Scores recalculated for 672 electricians serving Chelmsford.
- October 2026: 4 duplicate listings merged.
More electricians and Chelmsford pages
Electricians near Chelmsford
- Electricians in Lowell, MA664 ranked
- Electricians in Westford, MA625 ranked
- Electricians in Billerica, MA701 ranked
- Electricians in Dracut, MA645 ranked
- Electricians in Tyngsboro, MA558 ranked
- Electricians in Tewksbury, MA652 ranked
- Electricians in Pinehurst, MA686 ranked
- Electricians in Acton, MA688 ranked
- Electricians in Bedford, MA720 ranked
- Electricians in Concord, MA738 ranked
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- All contractors in Chelmsford