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2 ZIP codes · Middlesex County

Licensed Electricians in Lexington, MA

Lexington, Massachusetts homeowners call electricians for the same handful of reasons: something failed, something is being added, or an inspection flagged something. This guide covers all three with local pricing context.

A licensed electrician serving Lexington should be able to confirm their licence and insurance before arriving, and should tell you the trip fee on the phone. Anything less is a reason to keep calling.

Free referral service · 24/7 emergency triage · written quotes before work starts

  • Permits pulled where the job requires one, so the work is inspected and documented for resale.
  • Written quotes before work starts, with a flat price per task rather than an open hourly meter.
  • Licensed electricians only — ask for the licence number and confirm it before work begins.
  • 24/7 availability for genuine emergencies — burning smells, sparks, water damage and total power loss.
  • Local crews who know your area’s permit office, inspection timelines and housing stock.
2ZIP codes covered
1County
EasternTime zone
24/7Emergency requests

Electrical services across Lexington

Every category below has licensed local coverage in Lexington and the surrounding Middlesex area. Follow any one for the detailed scope, the questions worth asking and line-item pricing.

What electrical work costs in Lexington

Three of the most requested jobs in the Lexington area, with the national 2026 planning ranges. Local labour rates, permits and access conditions move these numbers.

Whole-House Generator Installation — Massachusetts guide

Whole-House Generator Installation: national 2026 ranges.
WorkTypical rangeNotes
Manual transfer switch and inlet box$800 – $2,500For a portable generator
Automatic transfer switch installation$1,800 – $4,500Electrical side of a standby system
Standby generator electrical install (22-26 kW)$4,000 – $9,000Typically the most requested size
Larger standby system (30-48 kW or whole-house)$7,000 – $18,000Large homes, heavy electric load
Generator sub-panel and load management$900 – $3,000Keeps the home inside a smaller generator

Electrical Safety Inspection — Massachusetts guide

Electrical Safety Inspection: national 2026 ranges.
WorkTypical rangeNotes
Basic electrical safety inspection$250 – $500Single-family home, written summary
Full inspection with thermal imaging and report$450 – $900Recommended for homes 40+ years old
Pre-listing inspection for sellers$300 – $700Avoids surprises during escrow
Pre-renovation assessment$300 – $800Capacity and code pathways
Insurance-required documentation visit$250 – $600Report formatted for underwriters

Whole-House Rewiring — Massachusetts guide

Whole-House Rewiring: national 2026 ranges.
WorkTypical rangeNotes
Whole-home rewire, open access (attic/basement bays)$8,000 – $16,000Roughly $4-$7 per sq ft in easy-access homes
Whole-home rewire, fully finished with plaster$14,000 – $30,000Up to $15 per sq ft in dense markets
Partial rewire (circuit groups / one floor)$2,500 – $9,000Often the first phase
Knob-and-tube removal and replacement$3,000 – $12,000Depends on how much remains
Aluminium branch circuit remediation$2,000 – $8,000Pigtailing copper at each device, or full replacement

ZIP codes covered in Lexington, MA

2 ZIP codes are inside the Lexington coverage area. Pick your ZIP for the local page, including the county, the map and the nearest covered neighbours.

ZIP codeAreaCountyElectrician page
02420Lexington, MAMiddlesexLicensed electrician 02420 →
02421Lexington, MAMiddlesexLicensed electrician 02421 →

Map of Lexington and nearby covered cities

Marker: Lexington city centre, derived from the average coordinates of its covered ZIP codes. Nearby markers are covered cities within the local service region.

Counties and areas served around Lexington

  • Middlesex County — licensed electricians covering the Lexington portion of this county, including panel, wiring and emergency work.

Electrician FAQ for Lexington

How many ZIP codes do electricians cover in Lexington?

Lexington has 2 ZIP codes in the network, spanning 1 county. Requests from any of them route to licensed electrical contractors working the Lexington area.

Do you charge for estimates?

Many contractors give a free estimate on planned work such as a panel replacement, charger install or rewire, while diagnostic visits for an unknown fault usually carry a trip fee that is often credited toward the repair. The exact policy varies by contractor, and it should be confirmed on the phone before anyone travels.

Is a permit needed for electrical work?

Permits are commonly required for panel replacements, service upgrades, new circuits, and work in wet locations like kitchens, bathrooms and outdoors. Simple device replacements often do not need one. Because requirements are set locally, the safest approach is to ask the contractor who will pull the permit and confirm the inspection record afterwards.

What is a typical electrician call-out price in Lexington, MA?

The national structure applies: roughly $50-$150 per hour for licensed residential work, plus a trip or diagnostic fee of about $75-$200, which many contractors credit toward the repair if you proceed. Most common jobs in Lexington are priced flat-rate, so you should get a number per task rather than an open hourly estimate.

Which electrical jobs are most common in Lexington?

Across Middlesex, the volume work is panel replacement and service upgrades, EV charger circuits, outlet and circuit repair, whole-house surge protection and lighting. Homes built before 1980 also generate a lot of aluminium wiring and ungrounded outlet work.

Can I get an emergency electrician in Lexington tonight?

Emergency requests are accepted 24/7 and after-hours calls are prioritised when the situation is genuinely hazardous — burning smells, smoke, sparks, a hot panel or water contacting live wiring. Availability depends on the contractor on duty, so call and describe exactly what you can see and smell.

Do I need a permit for electrical work in Lexington?

Permits are commonly required for panel replacements, service upgrades, new circuits and work in wet locations, and they are issued by the local authority — Middlesex for this area. Simple device swaps usually do not need one. Ask the contractor whether your job is permitted work and who is filing it.

Popular ZIP codes in Lexington

Need an electrician in Lexington?

Free phone triage: describe what is happening and find out whether it needs a visit today or can be scheduled. No obligation, no charge for the call.

Call (619) 877-0478

Call (619) 877-0478. Ask for the licence number, the trip fee and a flat price for the job.

Nationwide Electrician connects Lexington homeowners and businesses with licensed electrical contractors. We are a referral service — we do not perform electrical work and do not set contractor prices. Coverage data for 18,671 US ZIP codes across 47 states.