Castle Electric Inc.

Electrical Services in Boston-Cambridge-Newton

Need a reliable residential electrician today? Castle Electric Inc. handles repairs, installations, lighting, panels, EV chargers & generators for homes across Boston-Cambridge-Newton. Since 1997 our licensed, insured team delivers design + build solutions with written estimates, on-time appointments & live tech tracking. We serve the region including Quincy, Newton, Taunton, Attleboro & Braintree. Call or book online today for an estimate.

Find the Right Service for Your Home

Explore our professional services and get the help you need to keep your home comfortable, safe, and running smoothly.

Why choose us

Dependable Boston-Cambridge electricians for repairs and panel work

Electrical repair, outlet, GFCI and lighting work, plus panel service, come with the Guarantee and warranty for your home.

  • Guarantee and warranty
  • Discount for seniors
  • Discount for military
  • TransparencyOpen about every job
  • Electrical panel and service

    Elite

    In top 5%

    Earning Boston-Cambridge praise

  • Electrical repair

    Great

    In top 7%

    A rising Boston-Cambridge favorite

  • Outlet, switch and GFCI

    Great

    In top 8%

    Gaining Boston-Cambridge buzz

  • Lighting installation and upgrades

    Great

    In top 6%

    A Boston-Cambridge reviewer pick

  • Brand loyalty

    Good

    In top 25%

    190+ Boston-Cambridge reviews and counting

  • On-time arrival

    Good

    In top 18%

    Proven in 120+ Boston-Cambridge reviews

Grades compare Castle Electric with Boston-Cambridge electricians, based on homeowner reviews and the jobs they mention. Elite means the top 5% of Boston-Cambridge electricians, Great the top 10% and Good the top 25%.

Service area

Cities We Serve in Boston-Cambridge-Newton

122cities
  • Abington, MA
  • Ashland, MA
  • Attleboro Falls, MA
  • Attleboro, MA
  • Auburndale, MA
  • Bedford, MA
  • Braintree, MA
  • Canton, MA
  • Chestnut Hill, MA
  • Dedham, MA
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Coupons & specials

Coupons and Offers in Boston-Cambridge-Newton

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Reviews

Recent Customer Reviews in Boston-Cambridge-Newton

820 reviews

Customers mention

  • Quality of Work242
  • Brand Loyalty239
  • Professionalism214
  • Service190
  • Overall experience161
  • Punctuality161

Based on all customer reviews.

  • Very efficient and thorough
    Marshall Storm
  • Castle electric replaced the smoke detectors in my home. the entire process was very efficient starting from the quote, clear communication on what needed to…Read full reviewShow less
    Castle electric replaced the smoke detectors in my home. the entire process was very efficient starting from the quote, clear communication on what needed to be done , and executing start to finish. Excellent work!
    Kartik Balasubramaniam
  • Friendly and knowledgeable technician. Great professional service! I think I finally found my new go-to electricians!
    Andrew Rush
  • Matt came out to install Smoke detectors , he was punctual and very knowledgeable and did a thorough job, he also gave me free quotes and estimate on any…Read full reviewShow less
    Matt came out to install Smoke detectors , he was punctual and very knowledgeable and did a thorough job, he also gave me free quotes and estimate on any future work tye house needs.I have used Castle Electric over the years and have always found them to be professional .
    Edward Keogh

See Why Homeowners Trust Us

Read real customer experiences and discover what makes our team a trusted choice for home services.

Got questions?

No fluff. Just straight answers.

Have Questions? We've Got Answers

Find answers to common home service questions and get the information you need to move forward with confidence.

Is it worth house rewiring an old house?

Rewiring an old house is usually worth it for safety, reliability, and bringing the electrical system up to current code. Most older homes still have legacy wiring (like knob‑and‑tube or cloth-insulated cable) that wasn’t built for today’s appliance loads or grounded protection. A full rewire also lets you add capacity for kitchens, home offices, EV chargers, and smart tech, often alongside a panel upgrade with proper permits and inspections handled. Our team has deep experience preserving finishes while updating historic New England homes, and you receive final testing and written documentation when the work is complete. For affordability, every rewiring job includes a $0 written estimate before work begins.

Consider a full rewire when you notice:

  • Knob-and-tube, BX, or cloth-insulated wiring in walls or attics
  • Plans for EV charging, kitchen remodels, or other dedicated circuits
  • Panel capacity that can’t support added appliances or smart devices
  • Need for documented, code-compliant wiring for a sale or renovation

Have a licensed electrician perform a full inspection and load test before adding or replacing circuits.

Updated: 2026-10-23

Need help in Natick, MA? Call (781) 762-9891 or book online. "The wiring inspector commented on what a great job they did." — Evie S.

What are common signs I need electrical repair at home?

Common signs you need electrical repair at home are persistent power-quality problems, heat or odor from electrical parts, protective devices that trip, or aging components that no longer meet demand. The most common root cause is a loose or degraded connection that builds heat under load. Schedule repair soon for recurring issues, consider upgrades for obsolete equipment, and treat heat or odor as urgent. Our electricians routinely see these patterns in homes throughout the Wrentham area. A hidden backstabbed outlet can appear fine until a heavy load warms it and the fault shows itself.

Call a licensed electrician if you notice:

  • Lights that flicker or dim on one circuit or when appliances start
  • Breakers or GFCIs that trip repeatedly or won’t reset
  • Warm, buzzing, or discolored outlets, switches, or panel covers
  • Dead outlets, burning or fishy smells, shocks, or scorch marks

If you smell burning, see smoke, or feel a shock, shut off the main breaker and seek immediate service.

Updated: 2026-10-23

Need help in Wrentham, MA? Call (781) 762-9891 or book online.

What qualifies as an emergency electrical repair situation?

An electrical repair is an emergency when there is active shock risk, signs of fire, or sudden power loss that makes the home unsafe. The most common red flags involve heat or arcing, since burning odors or sparks can escalate to a fire quickly. We provide 24/7 emergency response and routinely handle these situations for homeowners in South Weymouth as part of our safety-first service.

Call for emergency help right away if you notice:

  • Unexpected power loss in part or all of your home
  • A burning odor from outlets or your electrical panel
  • Breakers that keep tripping without explanation
  • Sparks from switches, outlets, or panels, or outlets/panels that are visibly smoking
  • Storm or flood-related electrical damage, or any electrical shock

If flames, heavy smoke, or a live shock are present, call 911 first and shut off the main breaker only if you can do so safely.

Updated: 2026-10-23

Need help in South Weymouth, MA? Call (781) 762-9891 or book online. "Castle came out immediately and within two days replaced every wire and put in a new electrical panel in a new location." — Evie S.

Are 24 hour electricians more expensive than daytime electricians?

Yes—24-hour electricians typically cost more than daytime electricians because after-hours work includes emergency rates and rapid dispatch readiness. The main driver is a labor premium for nights, weekends, or holidays, plus added risk and limited parts access. Castle Electric Inc. offers 24/7 emergency response with upfront pricing and licensed, insured technicians. We also provide a $95 Service Call for Emergency Electrical Services, credited on invoices over $500, with final pricing confirmed after an on-site assessment. Our team serves the Stoughton area around the clock with code-compliant repairs and clear options.

Consider after-hours service right away if you notice:

  • A burning odor from outlets or your panel
  • Visible smoke or sparks at switches, outlets, or the electrical panel
  • Breakers that keep tripping and feel hot
  • Storm or flood damage, or a sudden power loss

If a breaker won’t reset or feels hot, leave it off and call an emergency electrician.

Updated: 2026-10-01

Need help in Stoughton, MA? Call (781) 762-9891 or book online.

Is it worth rewiring an old house?

Yes—rewiring an old house is typically worth it for safety, reliability, and future capacity. The most common reason is outdated wiring (like knob-and-tube or old BX) that lacks grounding and can’t support modern loads, which rewiring replaces with new, code-compliant circuits. A full rewire also positions the home for panel upgrades, dedicated circuits, and smart-ready wiring, and the written documentation often helps with insurance and resale. We regularly rewire historic homes in and around Natick and handle permits and inspections end to end. A technician’s reality: planning for EV chargers, heat pumps, and kitchen loads during the rewire prevents outgrowing the system the day you move back in.

Consider a full rewire when you notice:

  • Knob-and-tube or old BX still present
  • Two-prong, ungrounded outlets
  • Too few circuits for kitchens, offices, EV chargers, or heat pumps
  • Insurance or a home sale requires proof of updated wiring

Schedule a licensed inspection to confirm scope and safety.

Updated: 2026-10-01

Need help in Natick, MA? Call (781) 762-9891 or book online.

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