Electrical work carries higher stakes than most home services — a poorly done panel upgrade or improperly permitted installation can create fire hazards, fail home inspections, and void homeowner's insurance coverage. Denver's mix of aging mid-century housing stock and rapid growth in EV adoption and solar energy creates particular demands on residential electricians, requiring both technical depth and familiarity with evolving city permit requirements.
Our research team evaluated more than 50 electrical contractors serving the Denver metro area. We verified Colorado DORA licensing for all candidates, analyzed review patterns across multi-year windows, assessed permit-pulling practices (a key indicator of professional standards), and specifically examined EV charger and panel upgrade competencies — the fastest-growing demand areas in the Denver residential electrical market.
Every company on this list holds current Colorado electrical licensing, pulls permits appropriately, and has demonstrated consistent quality across multiple categories of residential electrical work.
How We Evaluated
The Rankings
Applewood Plumbing Heating & Electric
Applewood Plumbing Heating & Electric has served the Denver metro since 1973, and the scale of its verifiable track record separates it from every other electrical contractor we evaluated — a 4.8-star average across more than 17,000 Google reviews, A+ BBB accreditation, and a Better Business Bureau Torch Award for Marketplace Trust. Its licensed electricians handle panel and circuit breaker work, EV charging station installation, whole-house surge protection, GFCI outlets, and indoor and outdoor lighting across the Denver-Boulder metro.
The company publishes its Colorado electrical contractor license (EC #0006800) directly on its website — a level of licensing transparency that remains uncommon in this market — and pairs its electrical division with plumbing and heating capability for homeowners who prefer one accountable provider. Fifty-plus years in the same market, at that review volume, is a record no other company on this list matches.
JM Electric Inc.
JM Electric is a dedicated electrical contractor rather than a multi-trade operation, and its 4.9-star average across roughly 700 Google reviews is among the strongest rating-to-volume combinations of any electrician in the metro. Family-owned and operating from Aurora since 1994, the company quotes upfront flat-rate pricing for the entire project before work begins, backed by a 100% satisfaction guarantee. Its licensed and insured electricians handle panel installation and upgrades, EV charger installation, hot tub wiring, lighting design, rewiring, and electrical safety inspections.
Brothers Plumbing, Heating & Electric
Brothers Plumbing, Heating & Electric has operated as a family-owned Denver-area company since 1980 and has accumulated nearly 9,000 Google reviews — one of the largest verifiable review bases of any home-services contractor in Colorado. Its electrical division covers panel service and breaker replacement, EV charger installation, whole-house surge protection, GFCI work, and indoor and outdoor lighting. A 2022 BBB Torch Award for Ethics and extended service hours — 6 a.m. to 8 p.m. weekdays, with weekend availability — reflect an operation built for accountability at scale.
Piper Electric Co.
Piper Electric has operated from Arvada since 1983 and was among the first true design-build electrical contractors in Colorado — a pedigree reflected in a bench that has grown to more than 150 technicians serving residential, commercial, and industrial clients across the Front Range. For homeowners, that scale translates into 24/7 emergency electrical service and certified electricians for EV charging station installation, panel work, and repairs. Few residential electricians can draw on the engineering depth of a firm that also builds out laboratories, medical facilities, and multi-family projects.
MoJo Home Services
MoJo Home Services has maintained a 5-star rating across more than 300 reviews since its founding in 2009 — a consistency few contractors of any size sustain over 16 years. The family-owned, Wheat Ridge-based company is BBB accredited with NATE- and EPA-certified technicians, and its licensed electrical team handles repairs, panel upgrades, EV charger installation, and whole-home generator installation alongside its HVAC practice. With more than 5,000 Denver-area homeowners served and coverage spanning 30-plus metro municipalities, MoJo is a strong single-call option for households that want electrical and heating-cooling work from one accountable provider.
Salzano Electric
Salzano Electric, operating from Golden since 1999, holds a 5.0-star Google rating across more than 370 reviews — one of the strongest rating-to-volume combinations of any electrician we evaluated. The A+ BBB-accredited company publishes its Colorado electrical contractor license (EC.0005094) and pairs residential and commercial electrical work with HVAC and plumbing capability, with 24/7 emergency availability across the Front Range. Reviews consistently cite punctual communication, clear explanations, and capable handling of complex jobs such as hot tub circuits, subpanels, and generator installations.
AAA Service Plumbing, Heating & Electric
AAA Service Plumbing, Heating & Electric has served the Denver metro since 1983 and carries a 4.8-star average across more than 4,400 Google reviews. The company publishes both its Colorado Master Electrician license (#0601054) and its electrical contractor license (#0007063), and its electrical division covers panel upgrades, EV charging installation, standby generators, surge protection, and lighting. Coverage extends from the Denver metro into Northern Colorado — useful for homeowners with properties in both areas.
Allstar Electrical Services
Allstar Electrical Services has been BBB accredited since 2001 — shortly after its founding in 2000 — and remains one of the relatively few Denver contractors equally at home in residential, commercial, and industrial electrical work. Its licensed, bonded, and insured teams cover more than 50 service types, from service panel upgrades and EV chargers to LED lighting retrofits, across a Front Range service area that spans Boulder to Castle Rock. That breadth makes Allstar a practical choice for landlords and small business owners who want one electrical contractor across multiple property types.
MZ Electric
MZ Electric has served the southwest Denver metro from Littleton for more than 15 years, holding a 4.8-star overall rating and publishing its Colorado electrical contractor license (EC7816) on its website. The company's residential focus — panel upgrades and replacements, EV and Tesla charger installation, generators, rewiring, and lighting — is carried out by licensed, insured, and background-checked electricians. Its BuildZoom licensing-and-permit score places it above 98% of Colorado contractors, an independent signal of consistent permit practices.
Williams and Sons Electric
Williams and Sons Electric rounds out this list with the longest operating history on it: the family firm has served Denver since 1957, and current owner Tim Williams — a licensed Master Electrician — maintains the license his father Fred originally held. With a 4.9-star Google average, the second-generation shop handles service upgrades, panel replacements, rewiring, remodel and addition wiring, and EV charger installation, with free estimates and 24/7 emergency response. For homeowners who value working directly with an owner-electrician, few Denver firms offer deeper roots.
Frequently Asked Questions: Electricians in Denver
How much does an electrician cost in Denver?
Electrical service calls in Denver typically start at $75 to $150 for a diagnostic visit. Common repairs like outlet replacement or circuit breaker work run $150 to $400. Panel upgrades (100A to 200A) average $1,800 to $3,500 including permits. EV charger installation (Level 2, 240V) runs $500 to $1,200 depending on panel capacity and charger type. Always request written estimates that explicitly include permit fees — Denver electricians vary significantly in their pricing transparency for permit costs.
Are electricians licensed in Colorado?
Yes. Colorado requires electricians to be licensed through the Colorado Department of Regulatory Agencies (DORA). Look for an active Master Electrician license for any significant work — Journeyman Electricians are qualified for most residential tasks but must work under a Master's oversight. All electrical work in Denver requires a permit from Denver Community Planning and Development. Verify any electrician's license at dora.colorado.gov before hiring.
Do Denver homes commonly need electrical panel upgrades?
Yes, particularly homes built before 1980. Many older Denver-area homes still operate on 100-amp panels that are undersized for modern loads — especially with EV chargers, home offices, and high-efficiency HVAC systems. Homes with Federal Pacific Stab-Lok or Zinsco panels (common in 1960s and 1970s Denver construction) should be assessed promptly, as these brands have documented safety concerns and many insurance carriers require replacement before issuing or renewing policies.
What should I look for when hiring an electrician in Denver?
Verify the Colorado DORA license, confirm they pull permits for all significant work, and request a written estimate with itemized scope before authorizing any job. Ask whether the quoted price includes permit fees — some contractors add these as surprise line items after work is complete. For new installations (EV chargers, solar, panel upgrades), ask specifically about their experience with Denver's permit approval timeline and whether they coordinate with Xcel Energy for utility-side work, as this can affect project completion by several weeks.
How to Use This List
Every company here is Colorado-licensed and has been verified against our quality standards through independent research. The right electrician for your project depends on scope: panel upgrades, EV charger installations, rewiring projects, and commercial work each benefit from specialists. Use the strength pills and location notes on each entry to match your needs, then request written estimates with itemized scopes and explicit permit fees from at least two companies before committing.
This list is updated approximately every six months. If you've worked with any company listed here or want to nominate an electrician we haven't evaluated, use the nomination form below.
Disclosure
Rankings reflect independent editorial judgment as of August 2026. Businesses listed did not pay for placement, receive advance notice of their inclusion, or participate in the evaluation process. Denver Dean's List does not sell placements, badges, or certificates related to this or any other list.
Know an electrician we missed?
Our editorial team reviews nominations for future list updates — typically every 6 months.