Electrical upgrades for Woodside homeowners who need safer, more reliable power for an older home, renovation, addition, or modern electrical demands.

Older homes were not designed around today's electrical loads. Aging wiring, outdated panels, limited circuits, ungrounded outlets, or years of piecemeal electrical changes can become especially important when you are renovating a home or adding new appliances and equipment.

The McCarthy Company coordinates home rewiring and electrical upgrades as part of residential construction projects throughout Woodside and the San Francisco Peninsula. Whether electrical work is needed for an older home, major remodel, addition, ADU, kitchen renovation, or whole-house renovation, we help plan the work alongside the rest of the construction so the electrical system supports the finished home.


Home Rewiring for Older and Remodeled Homes

Rewiring a home is more involved than simply replacing visible outlets and switches. Wiring runs behind walls and ceilings and connects with the electrical panel, lighting, appliances, HVAC equipment, kitchens, bathrooms, garages, and other systems throughout the property.

When electrical upgrades are part of a larger renovation, coordinating the work with framing, drywall, cabinetry, plumbing, and finish work can prevent unnecessary demolition and rework. We approach electrical upgrades as part of the overall construction plan, helping homeowners determine where rewiring fits into the sequence of their remodel or renovation.


Signs Your Home May Need Electrical Rewiring

Electrical systems can become outdated long before homeowners decide to renovate. Some conditions deserve professional evaluation, particularly in older Peninsula homes.

  • Frequently tripped breakers when normal household equipment is operating.
  • Flickering or dimming lights when appliances or other electrical loads turn on.
  • Older or ungrounded outlets that do not meet the needs of modern equipment.
  • Warm, discolored, damaged, or loose outlets and switches.
  • Limited circuits or outlets resulting in excessive use of extension cords or power strips.
  • Older wiring discovered when walls are opened during remodeling.
  • Major renovation plans that substantially change how rooms and electrical systems will be used.
  • New high-demand equipment such as electric ranges, heat pumps, EV chargers, or other equipment that may increase electrical demand.

If electrical issues are discovered during a remodel, addressing them while walls and ceilings are already accessible can often make more sense than closing the construction and returning to the wiring later.


What We Evaluate

Before determining the appropriate electrical scope, the existing system and the requirements of the planned construction should be understood.

Existing Wiring

The age, condition, configuration, and accessibility of existing wiring help determine whether electrical work should be localized or incorporated into a larger upgrade.

Electrical Panel and Capacity

Major renovations and increased electrical demand may require evaluation of the home's panel, available circuits, and overall electrical capacity.

Planned Home Improvements

Kitchen remodels, bathroom renovations, additions, ADUs, HVAC upgrades, and whole-house renovations can substantially change electrical requirements.

Access and Construction Sequence

Electrical work often needs to happen after certain demolition and framing work but before insulation, drywall, cabinetry, and finishes. Planning this sequence correctly can reduce unnecessary rework.


Partial vs. Whole-House Rewiring

Not every property requires the same electrical scope. The appropriate approach depends on the condition of the existing system, the planned construction, and the electrical demands of the finished home.

  1. Targeted Electrical Upgrades

    A specific remodel or problem area may require new circuits, wiring, outlets, lighting connections, or other localized improvements.

  2. Rewiring During a Remodel

    When several rooms are already being renovated, electrical work can be coordinated while walls and ceilings are accessible.

  3. Whole-House Rewiring

    Older properties with widespread outdated wiring or homes undergoing extensive renovation may warrant a more comprehensive electrical upgrade.


Home Rewiring During Major Renovations

Major remodeling is one of the best times to evaluate a home's electrical system. Once walls and ceilings are opened, electricians may have better access to existing wiring and can install new circuits before insulation, drywall, cabinetry, and finishes are completed.

A kitchen renovation may require new appliance circuits and lighting. An addition creates entirely new electrical requirements. Converting to electric appliances or installing new HVAC equipment may increase demand on the electrical system. By planning these changes alongside the construction, homeowners can avoid treating electrical work as an afterthought.


How the Work Proceeds

  1. Understand the Project

    We start by reviewing the homeowner's renovation plans, electrical concerns, and goals for the finished home.

  2. Evaluate Existing Conditions

    The existing electrical system and accessible construction areas are reviewed to determine where upgrades may be necessary.

  3. Define the Electrical Scope

    The required wiring, circuits, panel considerations, fixtures, and other electrical work are coordinated with the broader construction plan.

  4. Coordinate the Trades

    Electrical work is sequenced alongside demolition, framing, plumbing, HVAC, insulation, drywall, cabinetry, and other trades.

  5. Complete and Close the Project

    After electrical work and required inspections are completed, the surrounding construction and finish work can proceed.


Electrical Upgrades Commonly Coordinated With Rewiring

Home rewiring projects may also involve:

  • New outlets and switches
  • Dedicated appliance circuits
  • Kitchen and bathroom electrical upgrades
  • Lighting and recessed lighting
  • Smoke and carbon monoxide detector wiring
  • Electrical panel evaluation or upgrades
  • EV charger electrical preparation
  • Heat pump and HVAC electrical requirements
  • Outdoor electrical circuits
  • Garage electrical upgrades
  • ADU and addition wiring
  • Grounding and electrical safety improvements

The exact scope should be based on the property and project rather than automatically replacing components that do not need replacement.


Woodside and Nearby Areas

Woodside is an important service area for The McCarthy Company, and we also serve homeowners throughout San Mateo County and the San Francisco Peninsula, including Menlo Park, Atherton, Hillsborough, San Mateo, Redwood City, Portola Valley, Half Moon Bay, Pacifica, El Granada, La Honda, and Burlingame.

We are based in La Honda, California, and work throughout the surrounding Peninsula communities on substantial residential construction, additions, ADUs, remodeling, and renovation projects.


Common Home Rewiring Questions

Does an older home need to be completely rewired?

Not necessarily. The appropriate scope depends on the type and condition of the existing wiring, the home's electrical capacity, and the renovation being planned. A professional electrical evaluation can determine whether targeted upgrades or more extensive rewiring are appropriate.

Is remodeling a good time to rewire a house?

It can be. When walls and ceilings are already being opened, electrical wiring may be more accessible. Coordinating rewiring before drywall and finish work can also reduce unnecessary demolition later.

Can you rewire only part of a house?

Depending on the existing electrical system and project requirements, electrical work may sometimes be limited to a specific room, addition, or renovated portion of the house.

Will my electrical panel need to be upgraded?

Not every rewiring project requires a panel upgrade. The existing panel, available capacity, planned electrical loads, and applicable requirements should be evaluated before deciding.

Can rewiring be coordinated with a kitchen or bathroom remodel?

Yes. Kitchens and bathrooms often have substantial electrical requirements, so planning electrical work alongside the remodel can make the construction sequence much more efficient.

Can electrical work be included in a whole-house renovation?

Yes. Whole-house renovations provide an opportunity to evaluate wiring, circuits, lighting, outlets, equipment requirements, and electrical capacity as part of the larger construction plan.


Plan Your Home Electrical Upgrade

If your Woodside home has aging electrical systems or you are planning a remodel, addition, ADU, or whole-house renovation that requires electrical upgrades, The McCarthy Company can help coordinate the work as part of the broader construction project.

Finished home exterior with open space for website text.

Ready to Plan

Discuss Your Residential Project

If you are planning a new home, an ADU, an addition, or a major remodel, we can help you think through the scope and the best way to approach the work.