Electrical

Whole-Home Rewiring in the Boston Area

Castle Electric Inc.

Need safe, code-compliant whole-home rewiring done right the first time? Our licensed, insured electricians handle full rewires, panel upgrades, and knob and tube replacement with clean work and clear communication. We serve the Boston Area, including Boston, Newton, and Quincy. Homeowners trust our upfront pricing and contract integrity, backed by a 4.9 rating from 760 reviews. Tell us about your project and get a friendly, no-pressure quote today.

Why Choose Us

  • Licensed and insured

    All electricians are licensed; company is fully insured.

  • Upfront, fair pricing

    Pricing is upfront and transparent.

  • Clean, on-time work

    We will be on time and keep your home clean.

  • Historic home experts

    Knob and tube removal and complex retrofit capability.

  • Proven customer satisfaction

    4.9 rating from 760 reviews.

Reviews

What Our Customers Say

Customers mention

  • professionalism1
  • quality1
  • cleanliness1

Based on the reviews shown here.

  • The two electricians were GREAT.
    Richard K.
  • The wiring work was clean and they left our house in fantastic condition.
    Jonathan V.

FAQs

Frequently asked questions

Still have questions?

What is an electrical wiring upgrade for a home?

An electrical wiring upgrade for a home is the replacement and expansion of aging or undersized wiring and electrical components with modern, code-compliant circuits to improve safety, capacity, and reliability. Most upgrades happen when older materials like knob-and-tube or BX wiring can’t support today’s appliances or when you’re remodeling. A typical project starts with a licensed inspection and written scope, then safe removal of obsolete wiring, installation of grounded wiring and modern outlets, and any needed panel or circuit additions for kitchens, offices, EV chargers, or heat pumps. Lighting and smart-ready wiring can be added, surge protection and smoke/CO updates are common, and Castle Electric handles permits, inspections, testing, and final documentation. Our team often completes this work for homes in and around Roslindale as part of larger projects.

Consider an upgrade if you notice any of the following:

  • Planned remodels or additions that change your layout
  • Frequent breaker trips or warm outlets
  • Two-prong or ungrounded receptacles
  • New high-demand loads like EV charging or heat pumps

Schedule an electrical evaluation before adding major loads or opening walls so work can be planned safely and efficiently.

Updated: 2026-08-13

Need help in Roslindale, MA? Call (781) 762-9891 or book online. “We did a major job of rewiring our whole house/upgrading our panel and they managed unforeseen barriers of dealing with an old house with concrete walls in stride.” — Val V.

What Is an Electrical Wiring Upgrade and Why Is It Needed?

An electrical wiring upgrade replaces outdated or unsafe wiring and increases capacity for today’s power needs. It can include whole-home rewiring, panel upgrades, and new dedicated circuits. Our licensed team safely removes knob and tube and installs modern, grounded wiring that meets Massachusetts code. Upgrades reduce fire risk, eliminate two‑prong outlets, support EV chargers and high‑draw appliances, and prepare homes for remodels. We provide clear scopes, upfront pricing, careful patching, and documentation for insurance or resale in Quincy, MA.

Quick signs you may need one:

  • Tripping breakers or flickering lights
  • Two‑prong or damaged outlets
  • Knob and tube or cloth/BX wiring
  • Adding an EV charger or major appliances
  • Remodels or additions

Updated: 2026-01-02 00:00:00

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

"The wiring inspector commented on what a great job they did." — Evie S.

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.

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.

How much does whole house rewiring cost per square foot?

Whole-house rewiring cost per square foot is not a reliable metric and is confirmed only after an on-site assessment; Castle Electric Inc. does not publish a per‑square‑foot price. The biggest cost swing comes from labor complexity and access, especially in older homes where legacy wiring must be carefully removed. Costs also vary with how your circuits are laid out, what must be brought to current code, and how much restoration is needed. Our team regularly rewires older housing stock in the Quincy area, so we price by scope after inspection rather than by square foot. In practice, square‑foot rules break down once we open walls and map legacy circuits. You’ll receive a written scope, timeline, and upfront price before work begins.

Key factors that set final cost:

  • Access to wiring (open basements/attics vs plaster or concrete walls)
  • Extent of obsolete wiring to remove (knob‑and‑tube, BX)
  • Panel capacity upgrades and new dedicated circuits
  • Patching, permits, and inspection requirements

Schedule an in‑home evaluation to get a precise, line‑item quote for your home.

Updated: 2026-07-17

Need help in Quincy, MA? Call (781) 762-9891 or book online. "The wiring work was clean and they left our house in fantastic condition after it was done." — Jonathan V.

How much does whole house electrical rewiring cost on average?

Whole-house rewiring cost is quoted by Castle Electric Inc. only after an on-site inspection with a clear, upfront scope, timeline, and price. Costs vary most with the size of the home and how much outdated wiring must be safely removed and replaced. We’ll provide you with a detailed, straightforward scope of work, timeline, and upfront pricing; we never hit you with hidden fees or pages of industry jargon. We routinely price full rewires in and around Plainville, and our licensed team completes final testing and documentation helpful for insurance or resale. In older homes, the routing that lets us fish new cable with minimal wall openings often saves more than any single material choice. Financing is available for larger projects.

Key factors that influence your quote:

  • Square footage and number of circuits to rewire
  • Access to walls, attic, and basement for cable runs
  • Panel upgrade needs and added dedicated circuits (EV, kitchen, office)
  • Patching and restoration scope after install

Schedule an in-home assessment to receive a firm, written price and timeline.

Updated: 2026-07-04

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

How much does it cost to rewire an old house completely?

Whole-home rewiring cost is confirmed after an on-site inspection because scope varies widely by home size, access, and required code upgrades. Most of the expense comes from removing outdated wiring, installing modern grounded circuits, and restoring walls and ceilings after fishing new cable. In older plaster homes, cost is driven more by careful labor than by the price of wire itself. Our licensed team frequently rewires older homes in the Taunton area and tailors plans to preserve finishes when possible. We’ll provide you with a detailed, straightforward scope of work, timeline, and upfront pricing.

Expect your quote to reflect these drivers:

  • Square footage and number of circuits/outlets
  • Presence of knob-and-tube, cloth, or BX to remove
  • Panel upgrades or new dedicated circuits (EV, kitchen, office)
  • Access conditions and restoration needs (plaster vs open framing)

If hazards are active, a full rewire is prudent; otherwise, a phased plan can manage budget without cutting corners. Always have a licensed electrician inspect before you decide.

Updated: 2026-06-12

Need help in Taunton, MA? Call (781) 762-9891 or book online. “Eoin and Rob were great to work with… They were thorough and communicated well along the way.” — Val V.

How much does it cost to rewire an entire house?

Costs for whole-home rewiring vary by home; we confirm pricing after an on-site inspection and provide an upfront, detailed quote. Our licensed team maps existing circuits, removes outdated wiring, installs modern grounded wiring to Massachusetts code, and patches access points so walls are ready for paint. Many Quincy and Newton homes also pair rewiring with panel upgrades or dedicated circuits. Add-ons like whole-home surge protection or EV charger wiring can change the total. You receive documentation for insurance or resale.

Updated: 2026-01-02 00:00:00

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

"The wiring work was clean and they left our house in fantastic condition after it was done." — Jonathan V.

How much does it cost to rewire a house per square foot?

We don’t price whole‑home rewiring by square foot. Your cost is set after a licensed electrician inspects your home and maps existing wiring. You’ll receive a customized scope, timeline, and upfront price with no hidden fees. Pricing depends on factors like knob‑and‑tube or BX removal, panel upgrades or new circuits, access through finished walls/ceilings, and any patching and restoration required. This approach keeps quotes accurate for Quincy and surrounding Massachusetts homes.

Quick steps:

  • Schedule an in‑home inspection and mapping.
  • Review a detailed, itemized quote and timeline.

Updated: 2026-01-02

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

“The wiring work was clean and they left our house in fantastic condition after it was done.” — Jonathan V.

How much does it cost to rewire a house completely?

Most full-house rewires are priced after an on-site inspection with a detailed, upfront quote. Final cost depends on home size, access to walls/attics, number of circuits, panel upgrades, and removing old wiring like knob and tube. Patching and add-ons (EV charger circuits, surge protection) affect price. In Quincy and Newton homes, we first map existing wiring, then customize the plan, timeline, and provide documentation for insurance or sale.

  • Schedule a comprehensive inspection.
  • Review your customized scope, timeline, and price.
  • Approve; we handle removal, installation, patching, and final testing.

Updated: 2026-01-02

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

"The wiring inspector commented on what a great job they did." — Evie S.

How much does it cost to rewire a full house safely?

The cost to rewire a full house varies by home and scope. We confirm pricing after a licensed inspection and provide an upfront, customized quote. Many Quincy and Newton homes need safe removal of knob and tube, new grounded wiring, and sometimes a panel upgrade. We include neat patching and prep for paint, final testing, and written documentation.

What affects your price:

  • Size and access of the home
  • Knob and tube removal and code-compliant replacement
  • Panel upgrade or added circuits
  • Patching/restoration needs
  • Add‑ons like whole‑home surge protection

Updated: 2026-01-02 00:00:00

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

How much does it cost to replace knob and tube wiring?

Replacing knob-and-tube wiring is quoted after an on-site inspection; Castle Electric provides a detailed scope, timeline, and upfront pricing for each home. The biggest cost driver is how much wiring must be replaced and how accessible it is behind walls and ceilings. Our full process covers safe removal, installation of modern grounded wiring, testing, and final documentation that helps with insurance or resale. We can integrate smart-ready upgrades during the project, and financing options are available for larger jobs. We often rewire older homes in the Auburndale area and take extra care to preserve finishes while meeting Massachusetts codes.

Cost varies based on:

  • Total square footage and number of circuits to replace
  • Need for panel upgrades or new dedicated circuits
  • Access conditions and restoration required after wiring (plaster, finished spaces)
  • Add-ons like surge protection, smart switches, or USB outlets

Schedule an inspection to confirm scope and safety before setting a budget.

Updated: 2026-04-25

Need help in Auburndale, MA? Call (781) 762-9891 or book online. “We have every reason to say you should expect a positive experience with this company.” — Richard Kelly.

How Much Does Knob And Tube Wiring Replacement Cost?

Knob-and-tube wiring replacement cost is determined after an on-site inspection and a written quote because the scope varies by home. The most common driver is how much old wiring remains and how easy it is to access behind walls and ceilings. We map existing circuits, create a custom plan, and provide upfront pricing with no hidden fees; permits and inspections are handled, and new grounded wiring is installed to current Massachusetts code. Our electricians frequently perform this work in the Newton Center area with care for historic details. Financing is available, including 0% interest for 12 months.

Typical cost factors your electrician will evaluate include:

  • Extent of remaining knob-and-tube and whether it’s a full or partial rewire
  • Access conditions and any patching or restoration needs
  • Panel or service capacity upgrades to support modern loads
  • Added dedicated circuits and required safety devices (AFCI/GFCI)

Schedule a licensed assessment before budgeting and never attempt DIY on any live K&T wiring.

Updated: 2026-09-17

Need help in Newton Center, MA? Call (781) 762-9891 or book online. “I would highly recommend working with Castle!” — Michaela J.

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We serve the Boston Area, including Boston, Newton, and Quincy. Browse the full list of communities we cover below or contact us to confirm your address.

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