Best Electricians in Denver, CO
Based on Google reviews, service categories, and AI visibility estimates in the Denver metro area.
18
Businesses reviewed
18
AI research reports
12
Top picks
Denver housing ranges from 1890s Victorians in Capitol Hill to new builds in Central Park. Older homes often run on outdated knob-and-tube wiring or undersized panels that cannot handle modern appliances. A good Denver electrician knows how to fish wire through lath and plaster without destroying the wall. They also know local Xcel Energy requirements for service upgrades. The high altitude and dramatic temperature swings mean outdoor wiring and conduit face heavy wear. Snowmelt and freeze cycles compromise exterior panels and hot tub circuits. Top operators pull the correct permits from the city and county of Denver. They do not cut corners on weatherproofing. Denver has seen a massive push toward electrification. Heat pumps, solar arrays, and electric vehicle chargers are straining older residential grids. You need a licensed professional who understands load calculations before adding a Level 2 charger to a 100-amp panel. Bad operators will just add a breaker and hope it holds. Good ones will tell you when a heavy-up is mandatory.
The verdict
Our Quick Picks
MCCARRICK ELECTRIC and Just In Time Electrical & Plumbing lead this ranking with high local review volumes and clear specialties. Dutch Creek Electric stands out for residential EV charging in the southern suburbs. We found 12 reliable options across the metro area.
- 1Best for General ContractingMCCARRICK ELECTRIC
Homeowners needing a highly rated family-run contractor for general upgrades.
- 2Best for Dual-Trade ServiceJust In Time Electrical & Plumbing
Homeowners doing remodels that require both plumbing and electrical rough-ins.
- 3Best for Custom Specialty WiringS Star Electric
Food truck owners and residents looking for solar wiring specialists.
- 4Best for Same-Day ResponseJM Electric Inc.
Eastern metro residents dealing with an urgent outage requiring same-day dispatch.
- 5Best for Standardized Maintenance PlansMr. Electric of Littleton
Homeowners who prefer the structured maintenance plans of a national franchise.
- 6Best for South Denver EV ChargingDutch Creek Electric
Homeowners in Littleton and Sheridan needing a dedicated EV charger circuit.
- 7Best for Heavy UpgradesThe Electricians
Centennial residents needing comprehensive panel replacements or backup generators.
- 8Best for Centennial HomeownersUnited Electric, inc
Homeowners in Centennial who need rapid installation of lighting or EV stations.
- 9Best for Lakewood ResidentsFirefly Electrical Services
Lakewood homeowners looking for a neighborhood-based master electrician.
- 10Best for Urban Core ServiceDenver Electricians
Homeowners near Federal Blvd needing immediate overnight emergency repairs.
- 11Best for Sauna WiringWestminster Electricians
North metro homeowners installing indoor saunas or steam enclosures.
- 12Best for Englewood Area BasicsB&W Electric LLC
Englewood locals looking for an established business for basic repairs.
All 18 electricians in Denver, at a glance
| Specialty | AI Sentiment | Contact | ||||
|---|---|---|---|---|---|---|
| Best for General Contracting | 58Speaks well of them | ● | ● | ● | ● | |
| Best for Dual-Trade Service | 62Speaks well of them | ● | ● | ● | ● | |
| Best for Custom Specialty Wiring | 52Factual, no praise | ● | ● | ● | ● | |
| Best for Same-Day Response | 52Factual, no praise | ● | ● | ● | ● | |
| Best for Standardized Maintenance Plans | 65Speaks well of them | ● | ● | ● | ● | |
| Best for South Denver EV Charging | 72Speaks well of them | ● | ● | ● | ● | |
| Best for Heavy Upgrades | 55Speaks well of them | ● | ● | ● | ● | |
| Best for Centennial Homeowners | 58Speaks well of them | ● | ● | ● | ● | |
| Best for Lakewood Residents | 52Factual, no praise | ● | ● | ● | ● | |
| Best for Urban Core Service | 52Factual, no praise | ● | ● | ● | ● | |
| Best for Sauna Wiring | 58Speaks well of them | ● | ● | ● | ● | |
| Best for Englewood Area Basics | 45 | ● | ● | ● | ● | |
| Also Serving Denver | 65Speaks well of them | ● | ● | ● | ● | |
| Also Serving Denver | 58Speaks well of them | ● | ● | ● | ● | |
| Also Serving Denver | 56Speaks well of them | ● | ● | ● | ● | |
| Also Serving Denver | 58Speaks well of them | ● | ● | ● | ● | |
| Also Serving Denver | 52Factual, no praise | ● | ● | ● | ● | |
| Also Serving Denver | 58Speaks well of them | ● | ● | ● | ● |
Reach MCCARRICK ELECTRIC
10843 E 96th Pl, Commerce City, CO 80022, United States
Reach Just In Time Electrical & Plumbing
2200 E 104th Ave #205, Thornton, CO 80233, United States
Reach S Star Electric
190 W Rafferty Gardens Ave Unit #2, Littleton, CO 80120, United States
Reach JM Electric Inc.
700 Billings St Ste R, Aurora, CO 80011, United States
Reach Mr. Electric of Littleton
6901 S Yosemite St Ste. 207, Centennial, CO 80112, United States
Reach Dutch Creek Electric
2855 W Oxford Ave #4, Sheridan, CO 80110, United States
Reach The Electricians
7076 S Alton Way Ste H-200, Centennial, CO 80112, United States
Reach United Electric, inc
6062 S Tempe Way, Centennial, CO 80015, United States
Reach Firefly Electrical Services
12860 W Cedar Dr Unit 212, Lakewood, CO 80228, United States
Reach Denver Electricians
1093 S Federal Blvd, Denver, CO 80219, United States
Reach Westminster Electricians
10835 N Dover St #100, Westminster, CO 80021, United States
Reach B&W Electric LLC
3625 S Sherman St, Englewood, CO 80113, United States
Before you hire in Denver
Hiring an electrician in Denver requires understanding the age of your home and the local permitting laws. The city has strict codes regarding load limits, aluminum wiring remediation, and service panel clearances.
Permits and City Inspections
The City and County of Denver mandates permits for almost all hardwired electrical work. Adding a new circuit, upgrading a panel, or wiring a hot tub requires an official permit and a follow-up inspection. Unpermitted work can void your homeowners insurance. Always ask a contractor to specify who handles the permit application. The contractor should pull it under their own master license.
Handling Aluminum Wiring
Many Denver homes built between 1965 and 1973 contain solid aluminum wiring. This material expands and contracts differently than copper, creating a serious fire hazard at the connection points. If you own a home from this era, you need an electrician experienced in alumiconn retrofitting or complete rewiring. Do not hire a handyman to swap out outlets on aluminum circuits.
Upgrading Old Panels for Electrification
Denver is pushing hard toward residential electrification. Switching to a heat pump, adding an induction stove, and installing a vehicle charger will immediately overwhelm an older 100-amp panel. You need a contractor to run a proper load calculation before adding new heavy-draw appliances. Most modern homes require a minimum 200-amp service to run these systems safely.
Insurance and Licensing
Colorado requires electrical contractors to hold an active state license. The person pulling the permit must be a master electrician, though journeymen or apprentices may perform the daily work under their supervision. You must verify their active liability insurance before they open a wall. A simple mistake with a live wire can cause severe property damage.
What to Ask During the Quote Call
When you call for a quote, ask if they provide itemized estimates or flat-rate pricing. Ask how they handle drywall patching. Most electricians will cut holes to fish wire, but very few will patch and paint the wall afterward. Knowing their exact scope of work prevents arguments when the job finishes.
Seasonal Weather Pressures
Denver winters are brutal on exterior electrical systems. Ground thaws and freezes can shift underground conduits. Heavy snowmelt often finds its way into poorly sealed exterior subpanels. If you are wiring a detached garage or a hot tub, the trenching must go deep enough to avoid frost heave, and all exterior boxes must be strictly rated for wet locations.
Red Flags to Watch For
Watch out for contractors who suggest skipping the permit office to save time. Be wary of operators who give quotes over the phone without seeing the panel in person. If an electrician refuses to show their master license number or asks you to pull the permit as the homeowner, find someone else. Homeowner permits make you legally liable for their mistakes.
Questions people ask
Do I need a permit to replace a light fixture in Denver?
Swapping an existing light fixture for a new one usually does not require a permit. If you are adding a completely new fixture where one did not exist before, you must pull a permit. Running new wire behind the wall triggers the city requirement.
What is knob-and-tube wiring and is it legal in Denver?
Knob-and-tube is an obsolete wiring method found in historic Denver homes built before 1940. It lacks a ground wire and uses degraded cloth insulation. While it is not illegal to possess, most insurance companies will not cover a house until it is entirely removed and replaced.
Can an electrician patch my drywall after running new wires?
Most licensed electricians do not repair drywall. They will cut the necessary holes to fish wire through your studs and leave the patching to you. You will usually need to hire a separate drywall finisher or painter to close the walls.
How long does a service panel upgrade take?
A standard heavy-up takes a full day of labor. The power to your house will be completely shut off during the process. The contractor must coordinate with Xcel Energy to disconnect and reconnect the service drop.
Will Xcel Energy inspect the work?
Xcel Energy handles the physical connection to the grid, but the municipal or county building department performs the safety inspection. The city inspector must approve the new installation before Xcel will restore permanent power.
Can I run my own electrical wiring if I own the home?
Denver allows owner-occupants to pull a homeowner permit for certain electrical work. You must pass a written test at the permit office to prove you understand the code. If you fail the test or the inspection, you will be forced to hire a licensed contractor.
Do electricians handle low-voltage network wiring?
Many electrical contractors install low-voltage systems like Ethernet, coaxial cables, and doorbell wiring. However, some prefer to stick entirely to high-voltage line work. Check their specific service list before booking them for home networking.
What does a master electrician do versus a journeyman?
A master electrician has passed advanced state exams and is legally allowed to pull permits and run an electrical contracting business. A journeyman has completed their apprenticeship and can perform the physical work unsupervised. Master electricians oversee the business and verify code compliance.
How we chose
We pulled the current Google Maps listing for this service in this city, and ranked on review volume, average rating, and the service categories each business publishes. We also ran a deep AI visibility analysis on 12 of these businesses. That analysis reads what is publicly published about a business and estimates how the major AI assistants like ChatGPT and Claude are likely to describe it when someone asks for a recommendation in this category. We used those findings as context for the profiles below, and each analyzed business links to its full report. We did not call, license, inspect, or interview anyone.