Trade directory · Rochester metro · New Hampshire

Electrical contractors in
Rochester, New Hampshire.

A public directory of licensed electrical contractors serving greater Rochester. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Licensed Establishments
623
U.S. Census Bureau
Peak Season
Spring through early fall (April-September) for new construction and renovations; winter surge for emergency repairs due to heating system electrical issues
Market estimate
Avg. Response Time
24-48 hours for quotes on standard work; emergency calls within 2-4 hours
Operator average
Avg. Hourly Wage
$31/hr
Bureau of Labor Statistics
§ A · Market rates

Common Job Costs

ROCHESTER-NH · LOCAL ESTIMATES
Service
Description
Cost Range
Outlet installation
Typical range based on local outlet installation jobs.
$150 – $300
Panel upgrade (100-200 amp)
Typical range based on local panel upgrade (100-200 amp) jobs.
$1,200 – $2,500
Whole house rewiring
Typical range based on local whole house rewiring jobs.
$8,000 – $15,000
Ceiling fan installation
Typical range based on local ceiling fan installation jobs.
$200 – $400
GFCI outlet installation
Typical range based on local gfci outlet installation jobs.
$175 – $350
Emergency service call
Typical range based on local emergency service call jobs.
$150 – $400
§ B · Regulatory

Licensing Requirements

NH
§1

Licensing Requirements

New Hampshire requires electrical contractors to hold a valid electrical license. Journeyman electricians need 8,000 hours of supervised experience and must pass state exam. Master electricians need additional 4,000 hours as journeyman plus master's exam. Contractor license requires master electrician status plus business registration. Licenses renew every 3 years with continuing education requirements.

§2

Permit Requirements

Rochester Building Department requires electrical permits for most work beyond simple repairs. Permits required for panel upgrades, new circuits, major appliance installations, and any work involving structural modifications. Permit fees range $50-200 based on project scope.

§3

Inspection Schedule

Rough inspection after wiring installation before walls closed up, final inspection after all devices installed and energized. Schedule inspections 24 hours in advance through Rochester Building Department.

§4

Insurance Minimums

New Hampshire requires minimum $300,000 general liability insurance for electrical contractors. Workers compensation required if employing others. Many customers and municipalities require $500,000-$1,000,000 coverage.

§ C · Path to license

How to Get Licensed

7 STEPS
1

Complete apprenticeship or education

Complete a state-approved electrical apprenticeship program or equivalent combination of education and supervised work experience totaling 8,000 hours

01/07
2

Apply for journeyman exam

Submit application to NH Board of Electricians with proof of experience, education transcripts, and exam fee. Application must include verification of supervised hours from licensed electrician

02/07
3

Pass journeyman examination

Take and pass the state journeyman electrician examination covering NEC code, state regulations, and electrical theory. Exam administered by PSI Services

03/07
4

Gain master-level experience

Work as licensed journeyman for minimum 4,000 additional hours (approximately 2 years) under supervision or independently

04/07
5

Take master electrician exam

Apply for and pass master electrician examination covering advanced electrical theory, code requirements, and business practices

05/07
6

Register contractor business

Register business entity with NH Secretary of State, obtain business license, and secure required insurance coverage

06/07
7

Apply for contractor license

Submit electrical contractor license application with proof of master electrician status, insurance, and bonding requirements to NH Board of Electricians

07/07
§ D · Field notes

About This Market

UPDATED APR 2026

Rochester's electrician market serves a mix of older homes needing updates and steady new construction in surrounding areas. With 623 licensed establishments statewide, competition is moderate but work stays consistent due to aging housing stock and growth pressure from proximity to Portsmouth and Dover. Panel upgrades and rewiring jobs drive the higher-end work, while service calls and basic installations keep the lights on year-round. Costs run slightly below Boston metro rates but above rural NH due to skilled labor availability. Getting licensed in New Hampshire takes time but the barrier keeps fly-by-night operators out. Rochester Building Department runs a tight ship on permits and inspections, so know the codes and schedule ahead. Spring renovation season gets busy fast, but winter emergency work pays premium rates. Smart contractors build relationships with local supply houses and general contractors early. The Seacoast region economy keeps electrical work steady, and proximity to Massachusetts jobs gives you overflow options when local work slows.

Data Sources
  • Median hourly wage
    Bureau of Labor Statistics (BLS) Occupational Employment Statistics
  • Licensed establishments count
    U.S. Census Bureau County Business Patterns
  • Licensing requirements
    New Hampshire Board of Electricians
  • Permit requirements
    Rochester, NH Building Department
  • Insurance minimums
    New Hampshire Department of Insurance
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

How much does it cost to upgrade an electrical panel in Rochester, NH?

Panel upgrades in Rochester typically run $1,200-2,500 depending on amp service and complexity. 100-amp upgrades cost less, 200-amp service with additional circuits cost more. Permits and inspections add $100-150 to total project cost through Rochester Building Department.

Q/02

Do I need a permit for electrical work in Rochester, NH?

Yes, Rochester Building Department requires permits for most electrical work beyond simple repairs. This includes panel upgrades, new circuits, outlet additions, and major appliance installations. Permit fees range $50-200 based on project scope.

Q/03

How long does it take to become a licensed electrician in New Hampshire?

New Hampshire requires 8,000 hours of supervised experience (approximately 4 years) to qualify for journeyman electrician exam. Master electrician requires additional 4,000 hours as journeyman. Total timeline is typically 6-8 years from apprentice to master electrician contractor status per NH licensing board requirements.

Q/04

What is the average hourly rate for electricians in Rochester, NH?

Based on Bureau of Labor Statistics data, electricians in New Hampshire earn a median wage of $30.50 per hour or $63,440 annually. Rochester rates align with state averages, though emergency and specialized work commands premium pricing.

Q/05

How many electrical contractors operate in New Hampshire?

According to Census data, approximately 623 licensed electrical establishments operate statewide in New Hampshire. This includes both sole proprietorships and larger electrical contracting companies across residential, commercial, and industrial sectors.

§ F · Directory

Electrical contractors in Rochester

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