87/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 1,222 Google reviews, open 24/7.
- 4.9★ from 1,222 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 333 E Judd St, Woodstock, IL 60098
Best Electricians in Marengo, IL (2026)
208 electricians ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Marengo: Woodstock Heating, Cooling & Electrical, CR Score 87/100; 4.9★ from 1,222 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Duner Electrical Service, posts 24/7 hours; ranked #2 of 208.
- 5
Most-reviewed: Black Diamond Plumbing & Mechanical Inc., 6,580 Google reviews at 4.9★, the most of 208 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
208 Marengo electricians are ranked here by CR Score, from 8 published factors. 46 are open 24/7, 105 open Saturdays and 74 open Sundays, based on posted hours. The median Google rating is 4.8★ across 208 rated businesses.
Top 10 electricians in Marengo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Woodstock Heating, Cooling & Electrical | 87 | 4.9★ (1,222) | Woodstock, 10 mi away | 24/7 | Overall |
| 2 | Duner Electrical Service | 87 | 5.0★ (78) | Lake in the Hills, 12 mi away | 24/7 | Emergencies |
| 3 | MIK ELECTRICAL SOLUTIONS | 86 | 5.0★ (113) | Cary, 18 mi away | 24/7 | — |
| 4 | Birchwood Electric LLC | 86 | 4.9★ (8) | Marengo | 24/7 | — |
| 5 | Black Diamond Plumbing & Mechanical Inc. | 85 | 4.9★ (6,580) | McHenry, 17 mi away | 24/7 | Most reviews |
| 6 | Patrick Electrical Service | 85 | 4.9★ (234) | Elgin, 22 mi away | 24/7 | — |
| 7 | Rays Electrical & Boring Service | 85 | 4.9★ (124) | Elgin, 19 mi away | 24/7 | — |
| 8 | Illinois State Electric, LLC | 85 | 5.0★ (66) | Crystal Lake, 18 mi away | 24/7 | — |
| 9 | GSHA Services, LTD | 84 | 4.9★ (747) | Woodstock, 10 mi away | 24/7 | — |
| 10 | Four Seasons Heating, Air Conditioning, Plumbing, & Electric | 84 | 4.8★ (460) | Crystal Lake, 15 mi away | 24/7 | — |
The 208 best electricians in Marengo, 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 Lake in the Hills, 12 mi away
87/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 78 Google reviews, open 24/7.
- 5.0★ from 78 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2420 Wexford Ln, Lake in the Hills, IL 60156
Based in Cary, 18 mi away
86/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 113 Google reviews, open 24/7.
- 5.0★ from 113 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 777 Blazing Star Trail, Cary, IL 60013
Based in Marengo
86/100CR ScoreRanked #4 because of its Google rating and availability: 4.9★ from 8 Google reviews, open 24/7.
- 4.9★ from 8 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 352 E Forest St, Marengo, IL 60152
Based in McHenry, 17 mi away
85/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 6,580 Google reviews, the most Google reviews on this list (6,580).
- 4.9★ from 6,580 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1400 Miller Pkwy, McHenry, IL 60050
Based in Elgin, 22 mi away
85/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 234 Google reviews, open 24/7.
- 4.9★ from 234 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 214 E Chicago St, Elgin, IL 60120
Based in Elgin, 19 mi away
85/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 124 Google reviews, open 24/7.
- 4.9★ from 124 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 37w904 US-20, Elgin, IL 60124
Based in Crystal Lake, 18 mi away
85/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 66 Google reviews, open 24/7.
- 5.0★ from 66 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Woodstock, 10 mi away
84/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 747 Google reviews, open 24/7.
- 4.9★ from 747 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1257 Cobblestone Way Unit A, Woodstock, IL 60098
Based in Crystal Lake, 15 mi away
84/100CR ScoreRanked #10 because of its Google rating and availability: 4.8★ from 460 Google reviews, open 24/7.
- 4.8★ from 460 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7115 S Virginia Rd suite 106, Crystal Lake, IL 60014
Based in Island Lake, 21 mi away
83/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 47 Google reviews, open 24/7.
- 5.0★ from 47 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4812 Roberts Rd, Island Lake, IL 60042
Based in Crystal Lake, 13 mi away
83/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 105 Google reviews, listed on Google as “Electrician”.
- 4.9★ from 105 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 1487 Woodscreek Cir, Crystal Lake, IL 60014
Based in Hampshire, 11 mi away
83/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 24/7.
- 5.0★ from 7 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 225 Industrial Dr #2, Hampshire, IL 60140
#14 Rewired Electric
Based in Machesney Park, 20 mi away
83/100CR ScoreRanked #14 because of its Google rating and availability: 4.7★ from 64 Google reviews, open 24/7.
- 4.7★ from 64 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Fox Lake, 13 mi away
82/100CR ScoreRanked #15 because of its Google rating and availability: 4.5★ from 8 Google reviews, open 24/7.
- 4.5★ from 8 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Crystal Lake, 17 mi away
82/100CR ScoreRanked #16 because of its Google rating and availability: 4.8★ from 1,043 Google reviews, open 24/7.
- 4.8★ from 1,043 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8001 S Illinois Rte 31, Crystal Lake, IL 60014
Based in Village of Campton Hills, 24 mi away
82/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 25 Google reviews, open 24/7.
- 5.0★ from 25 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Village of Campton Hills, 23 mi away
81/100CR ScoreRanked #18 because of its Google rating and availability: 4.6★ from 53 Google reviews, open 24/7.
- 4.6★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Elgin, 24 mi away
81/100CR ScoreRanked #19 because of its Google rating and availability: 4.7★ from 4,045 Google reviews, open 24/7.
- 4.7★ from 4,045 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 992 St Charles St, Elgin, IL 60120
Based in Fox Lake, 25 mi away
80/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Idabel, 11 mi away
80/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 56 Google reviews, listed on Google as “Electrician”.
- 4.7★ from 56 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
Based in Gilberts, 16 mi away
80/100CR ScoreRanked #22 because of its Google rating and availability: 4.3★ from 25 Google reviews, open 24/7.
- 4.3★ from 25 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 125 E Higgins Rd, Gilberts, IL 60136
Based in Carpentersville, 19 mi away
80/100CR ScoreRanked #23 because of its Google rating and availability: 4.8★ from 483 Google reviews, open 24/7.
- 4.8★ from 483 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 39 N Western Ave, Carpentersville, IL 60110
Based in Lake in the Hills, 16 mi away
80/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 24/7.
- 5.0★ from 29 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 47 Hilltop Dr, Lake in the Hills, IL 60156
Based in Village of Campton Hills, 20 mi away
80/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Electrician”.
- 4.9★ from 42 Google reviews
- Hours
- Mon–Sat 8 AM–9 PM · Sun 11 AM–6 PM
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 208 ranked electricians here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Belmonte Electric | 80 | 5.0★ (30) | 19 mi |
| 27 | Manny's Maintenance LLC | 79 | 4.8★ (71) | 15 mi |
| 28 | WIN Universal LLC | 79 | 4.9★ (24) | 11 mi |
| 29 | McNutt Electric | 79 | 5.0★ (4) | 17 mi |
| 30 | Elgin Electrician | 79 | 5.0★ (27) | 22 mi |
| 31 | Woodstock Heating and Cooling, LLC | 78 | 5.0★ (45) | 15 mi |
| 32 | Dundee Services Inc | 78 | 5.0★ (85) | 20 mi |
| 33 | JJA Electric | 78 | 4.9★ (213) | 18 mi |
| 34 | Wat Electric | 78 | 5.0★ (55) | 18 mi |
| 35 | Lohbauer Electric | 78 | 3.4★ (5) | 23 mi |
| 36 | David Waldner Electric Co | 78 | 4.3★ (6) | 21 mi |
| 37 | NM Electric LLC | 78 | 5.0★ (5) | 16 mi |
| 38 | HANDYMAN WE DO IT ALL INC. | 77 | 3.7★ (6) | In Marengo |
| 39 | Avid Electric LLC | 77 | 5.0★ (136) | 24 mi |
| 40 | True North Tek LLC | 77 | 5.0★ (37) | 17 mi |
| 41 | Gade Electrical Contracting | 77 | 4.7★ (17) | 17 mi |
| 42 | O'Connor Heating, Cooling & Electrical | 77 | 4.6★ (60) | 23 mi |
| 43 | Apex Electrical | 77 | 5.0★ (32) | 25 mi |
| 44 | Alarm Specialties and Protection Inc. | 77 | 5.0★ (8) | 11 mi |
| 45 | Allegiance Service Group, Inc | 77 | 5.0★ (29) | 17 mi |
| 46 | MB3 Electric | 77 | 4.7★ (36) | 14 mi |
| 47 | Bentz Electric Inc | 77 | 4.8★ (22) | 10 mi |
| 48 | Engel Electric | 77 | 5.0★ (3) | 7 mi |
| 49 | LSVG Electrics Inc | 77 | 4.9★ (50) | 20 mi |
| 50 | Totally Wired Services | 76 | 5.0★ (3) | 16 mi |
Also serving Marengo
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.
How much do electricians cost in Marengo?
National price ranges in USD, not adjusted for Marengo. 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 we ranked Marengo electricians
We scored 208 Marengo 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 Marengo 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 Marengo: frequently asked questions
Who is the best electrician in Marengo?
By CR Score, the highest-ranked electrician in Marengo, IL is Woodstock Heating, Cooling & Electrical with a CR Score of 87/100. It has 4.9★ from 1,222 Google reviews. It is open 24/7. Duner Electrical Service (#2) and MIK ELECTRICAL SOLUTIONS (#3) follow. We ranked 208 electricians on 8 factors, last updated October 22, 2026.
How many electricians are there in Marengo?
ContractorsRanked ranks 208 electricians serving Marengo, IL. 2 of them are based in Marengo; 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 Marengo are open 24/7?
46 ranked electricians in Marengo post 24/7 hours. The highest-ranked are Woodstock Heating, Cooling & Electrical (#1), Duner Electrical Service (#2) and MIK ELECTRICAL SOLUTIONS (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which electricians in Marengo work on weekends?
105 of 208 ranked electricians post Saturday hours and 74 post Sunday hours. The highest-ranked open Saturdays are Woodstock Heating, Cooling & Electrical (#1), Duner Electrical Service (#2) and MIK ELECTRICAL SOLUTIONS (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does electrical panel upgrade cost in Marengo?
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 Marengo. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Marengo electricians have?
The median Google rating among 208 rated electricians in Marengo is 4.8★, with a median of 15 reviews. Black Diamond Plumbing & Mechanical Inc. has the most, 6,580 reviews, and ranks #5. 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.
Do electricians outside Marengo count in this ranking?
Yes, if they are within 25 mi of the Marengo city center, our service radius for electricians. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Marengo
- October 2026: CR Scores recalculated for 208 electricians serving Marengo.
- October 2026: 1 duplicate listing merged.
More electricians and Marengo pages
Electricians near Marengo
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