Trade directory · Thornton metro · Colorado

Electrical contractors in
Thornton, Colorado.

A public directory of electrical contractor businesses serving greater Thornton. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Employer Establishments
2,122
U.S. Census Bureau
Peak Season
Spring through early fall (April-September) when construction activity peaks and AC loads stress existing electrical systems
Market estimate
Avg. Response Time
24-48 hours for quotes, 3-7 days for service calls depending on emergency status
Operator average
Avg. Hourly Wage
$32/hr
Bureau of Labor Statistics
§ J · OPEN JOBS

Electrical jobs in Thornton

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0 open jobs in Thornton.

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§ A · Market rates

Common Job Costs

THORNTON-CO · LOCAL ESTIMATES
Service
Description
Cost Range
Panel upgrade (200 amp)
Typical range based on local panel upgrade (200 amp) jobs.
$2,500 – $4,500
Outlet installation
Typical range based on local outlet installation jobs.
$125 – $300
Ceiling fan installation
Typical range based on local ceiling fan installation jobs.
$150 – $400
Whole house rewiring
Typical range based on local whole house rewiring jobs.
$8,000 – $15,000
EV charger installation
Typical range based on local ev charger installation jobs.
$800 – $2,200
GFCI outlet upgrade
Typical range based on local gfci outlet upgrade jobs.
$150 – $250
§ B · Regulatory

Licensing Requirements

CO
§1

Licensing Requirements

Colorado requires electrical contractor license through Department of Regulatory Agencies. Master electrician must pass PSI exam covering NEC, Colorado electrical code, and business law. 4 years experience required plus 24 hours continuing education every 3 years. Journeyman license requires 8000 hours training or apprenticeship completion.

§2

Permit Requirements

City of Thornton requires electrical permits for panel upgrades, new circuits, major appliance installations. Permit fees range $50-200 based on scope. Submit applications through Thornton Building Division with load calculations for service upgrades.

§3

Inspection Schedule

Rough-in inspection before covering wiring, final inspection before energizing. Schedule 48 hours advance notice with Thornton Building Department. Panel upgrades require utility coordination with Xcel Energy.

§4

Insurance Minimums

General liability minimum $300,000 per occurrence, $600,000 aggregate. Workers compensation required if employees. Many municipalities require $1 million liability for permits.

§ C · Path to license

How to Get Licensed

5 STEPS
1

Meet experience requirements

Complete 4 years electrical work experience or approved apprenticeship program. Document hours with previous employers and maintain detailed work logs.

01/05
2

Submit application

File electrical contractor application with Colorado Department of Regulatory Agencies including experience verification, background check, and $300 license fee.

02/05
3

Pass PSI examination

Schedule and pass PSI electrical contractor exam covering National Electrical Code, Colorado electrical code, and business law. Exam fee $150.

03/05
4

Obtain insurance

Secure general liability insurance minimum $300,000 per occurrence and workers compensation if employing others. Submit proof to DORA.

04/05
5

Complete continuing education

Complete 24 hours continuing education every 3 years through approved providers. Maintain certificates for license renewal.

05/05
§ D · Field notes

About This Market

UPDATED APR 2026

Thornton's electrical market runs hot with steady residential growth in new subdivisions north of 144th Avenue and aging electrical systems in older neighborhoods needing panel upgrades. With approximately 2122 licensed electrical establishments across Colorado and median wages at $31.88/hour, competition stays fierce but demand remains strong driven by new construction, EV charger installations, and code compliance upgrades. Service calls dominate during summer months when AC systems overload old panels. Getting licensed in Colorado means navigating the Department of Regulatory Agencies requirements - 4 years experience minimum for master electrician status, passing the PSI exam covering NEC and state code, plus 24 hours continuing education every three years. Thornton's building department runs efficient but requires proper load calculations for service upgrades and 48-hour notice for inspections. Smart contractors build relationships with Xcel Energy coordinators since utility delays kill project timelines. Peak season runs April through September when construction activity surges and summer heat stresses electrical systems.

Data Sources
  • Median hourly wage
    Bureau of Labor Statistics Occupational Employment Statistics
  • Licensed establishments count
    US Census Bureau County Business Patterns
  • Licensing requirements
    Colorado Department of Regulatory Agencies
  • Permit requirements
    City of Thornton Building Division
  • Insurance minimums
    Colorado Division of Insurance
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What does an electrical contractor license cost in Colorado?

Initial electrical contractor license costs $300 plus $150 exam fee through Colorado Department of Regulatory Agencies. Renewal runs $200 every 3 years with required continuing education.

Q/02

How long does electrical licensing take in Colorado?

Minimum 4 years experience required before taking master electrician exam. After application submission, processing takes 4-6 weeks if documentation is complete per DORA guidelines.

Q/03

What permits do I need for electrical work in Thornton?

City of Thornton requires permits for new circuits, panel upgrades, and major appliance installations. Permits cost $50-200 based on scope through Thornton Building Division.

Q/04

What insurance do electrical contractors need in Colorado?

Colorado requires general liability minimum $300,000 per occurrence. Workers compensation mandatory with employees. Many cities including Thornton require $1 million liability for permit work.

Q/05

How much do electricians make in Colorado?

Bureau of Labor Statistics reports median hourly wage of $31.88 ($66,310 annually) for Colorado electricians. Contractors typically charge $75-125/hour depending on complexity and market conditions.

§ F · Directory

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