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Electricians · Waltham, MA

Electricians in Waltham, Massachusetts

Compare contractors serving Waltham, Middlesex County — call them directly, or send one request and let the ones who want the job come to you.

30 contractors serving Waltham — including 5 based in town.

Contractors serving Waltham

Claimed listings within 5 miles come first, then the rest by rating, then distance. Google ratings as of October 2026. How we list and rank contractors

Electricians in Waltham — what to know

Rebates & incentives

Waltham is in Eversource electric territory, so homeowners qualify for Mass Save. The electrical work isn't directly rebated, but a 200A panel upgrade is typically the prerequisite for a Mass Save heat pump or heat-pump water heater, since an older 100A or fuse service can't carry the added load.

In the 1960s–70s homes, aluminum branch wiring shows up often and matters for safety and insurance separate from any rebate; in the older core, knob-and-tube plays the same role. The panel work generally comes before the rebated heat-pump equipment.

Permits in Waltham

Electrical work in Waltham requires a permit under 527 CMR 12.00, the Massachusetts NEC amendments, and a licensed Journeyman or Master electrician. Permits are issued through the City of Waltham's Inspectional Services Department, and a municipal wiring inspector inspects before energizing. Panel upgrades, meter-socket replacement, EV circuits, aluminum-wiring remediation, and rewires all need permits; like-for-like device swaps are generally exempt. Confirm scope with your electrician so the inspection passes on the first visit.

An electrical permit in Waltham is filed with the town’s wiring inspector; see the Waltham Building Department’s contact, portal and who pulls the permit on permits.llc.

Typical project cost

Inner-MetroWest pricing runs just below Boston metro. A 100A-to-200A panel upgrade in Waltham typically runs $2,800–$5,200; a meter-and-panel relocation costs more. A Level 2 EV-charger circuit is generally $1,000–$2,300. Aluminum-branch remediation ranges from device-level pigtailing up to several thousand for broader work; knob-and-tube rewires run higher. A whole-home standby generator with transfer switch usually runs $8,500–$15,000 installed.

About Waltham homes

Waltham has about 27,114 housing units in Middlesex County, with a median home age around 65 years. The city pairs older mill-era and early-1900s woodframes near the Charles and downtown with a heavy band of postwar and 1960s–70s single-families and two-families on the south and west sides.

That range means both knob-and-tube remediation in the older core and aluminum-branch and 100A-to-200A upgrades in the mid-century stock are common. Waltham's mix of single-families and multi-families, plus a sizable rental and student population, keeps service-upgrade, EV-charger, and device work steady year-round.

Common questions — Electricians in Waltham

Is Waltham eligible for Mass Save rebates?
Yes. Waltham is in Eversource territory, an investor-owned utility, so homeowners qualify for Mass Save. A 200A panel upgrade is usually the prerequisite before a rebated heat pump is installed.
My south-side Waltham home from the 1970s has aluminum wiring. Is it safe?
Aluminum branch connections can loosen and overheat over time. A licensed electrician can remediate with approved connectors at devices or rewire affected circuits, which also helps with insurance underwriting.
Do older Waltham homes still have knob-and-tube?
Many pre-1940 homes near downtown and the Charles do, often in attics and walls. Insurers may surcharge or decline active knob-and-tube, so remediation by a licensed electrician is a common reason to upgrade.
Do I need a panel upgrade for a heat pump in Waltham?
Often. Many homes still run 100A service that can't comfortably carry an air-source heat pump plus existing load. A 200A upgrade is typically the step that makes the Eversource/Mass Save heat-pump rebate workable.
Who inspects electrical work in Waltham?
The City of Waltham's Inspectional Services Department issues the permit under 527 CMR 12.00, and a municipal wiring inspector inspects before the work is energized. Your licensed electrician handles the permit.

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