Whole-House Rewiring Cost in 2026

Cost by project size

Material size-band baselines

These rows are material-specific planning baselines—not the all-material whole-project typical shown in the range card.

How to read whole-house rewiring planning ranges before major electrical work

Whole-house rewiring budgets make sense when you treat them as a multi-phase electrical rebuild, not a single outlet swap. National planning bands often span knob-and-tube or aluminum remediation, complete romex replacement, new panel and grounding, arc-fault and GFCI upgrades, and selective opening of walls and ceilings for access. Those ranges help you reserve financing and spot quotes that omit plaster repair, permit fees, or temporary power plans. Your local bids set the real number: balloon framing, finished historic interiors, plaster walls, and occupied-home sequencing change labor dramatically. Ask whether the price assumes full gut access or strategic fishing with patchwork. Compare written scopes with identical room counts, panel size, and restoration allowances rather than headline totals alone. High-cost metros often run higher electrician and finish labor rates because wages and housing stock differ.

Knob-and-tube, aluminum branch circuits, and safety-driven upgrades

Older wiring types drive rewiring when insulation contact, missing grounds, or insurer requirements make repairs impractical piecemeal. Partial fixes rarely satisfy lenders insuring purchases of vintage homes. Ask for a circuit inventory showing what will be abandoned versus reused temporarily. Aluminum branch circuits need compatible devices and often full replacement for long-term safety. Planning midpoints assume typical single-family layouts; multi-building estates need local measurement. Local AHJ and insurer lists should guide scope more than generic averages that do not see your attic conditions.

Access strategy: open walls versus fish wiring in finished homes

Rewiring with walls open during a remodel costs less per circuit than fishing through intact plaster and lathe with minimal damage. Some contractors combine strategic openings with patch kits included in allowance. Ask how many access holes per room are expected and who patches and paints afterward. Occupied homes may need room-by-room sequencing to keep kitchens and baths powered nightly. High-cost metros often run higher restoration labor when skilled plaster repair is required. Local construction type sets feasibility; national planning bands cannot predict your wall makeup.

Panel replacement, grounding, and service size decisions

Rewiring often pairs with a new panel, grounding electrode upgrades, and increased service amperage for modern loads. Load calculations should reflect HVAC, ranges, dryers, and future EV circuits. Ask whether the bid includes meter pan work coordinated with the utility. Temporary power or generator plans may be needed during panel changeovers. Planning estimates for wire alone understate panel and service components. High-cost metros may face utility scheduling delays. Require one-line diagrams and labeled circuits in the proposal for clarity.

Permits, inspections, and code requirements across every room

Whole-house projects typically require permits with multiple inspection stages: rough-in, panel, and final device checks. Unpermitted rewiring risks failed sales and denied claims. Ask who schedules inspections and whether failed items are included in labor. Code now mandates extensive AFCI and GFCI protection that increases device counts versus older installs. High-cost metros often run higher permit fees on large scopes. Keep inspection sign-offs and panel directory photos permanently. Local AHJs interpret code; planning guides remind you to budget time for reinspections when access is tight.

Timeline, temporary power, and living through a rewire

Small homes with open access may rewire in one to two weeks; finished occupied homes may span months room by room. Expect power outages during panel swaps and some nights without certain circuits. Ask for a written sequence showing which rooms lose power when. Coordinate with other trades if remodeling simultaneously to avoid double patchwork. High-cost metros may face inspector availability constraints. Planning calendars need buffer for hidden junction boxes discovered behind insulation. Communicate remote work and medical device needs before scheduling.

What a complete whole-house rewiring bid should itemize

Strong proposals list circuits to replace, panel size and brand, device counts by type, access method assumptions, plaster or drywall repair allowances, permit and inspection fees, temporary power plan, cleanup, and warranty on workmanship. Exclusions such as low-voltage, generator transfer switches, or smart home should be explicit. Vague "rewire house" lines hide missing AFCI devices or inadequate panel capacity. Request allowance burn rates for extra circuits discovered mid-job. High-cost metros often run higher labor, but itemization exposes low quotes that skip restoration or undersize service for modern loads.

When partial rewiring is rational versus full replacement

Occasionally, recent additions were rewired while original wings remain obsolete; partial scope may work if documented and insurer-approved. Most vintage homes with mixed unsafe wiring benefit from full replacement to avoid endless junction box archaeology. Compare partial quotes plus near-term risk against full project financing. If you plan major remodel demo soon, align rewiring with open walls to save finish labor. Planning ranges for partial and full answer different questions; do not mix them without noting remaining risk. Local electricians can explain typical failure points in your neighborhood housing era.

Regional housing stock, labor markets, and planning notes

Northeastern triple-deckers, Midwest bungalows with plaster, and Sun Belt slab homes each present different rewiring paths and restoration costs. Coastal corrosion may affect panels and grounding hardware sooner. High-cost metros often run higher installed totals for the same circuit count because electrician wages and skilled patch trades differ. You do not need invented city price tables—ask licensed contractors how your wall types, occupancy constraints, and panel condition affect their production estimate after a walkthrough. Treat planning bands as reserve targets while measured access strategy and code compliance set the payable invoice.

Comparing rewiring bids when access and finish-repair plans differ

Ask each electrician how many rooms will be offline simultaneously and whether temporary lighting is provided. Compare strategies for preserving historic trim versus speed of open-wall routing. Clarify who patches and paints after fishing wire. Request labeled circuit directories and AFCI or GFCI placement maps at completion. Planning ranges assume typical access; plaster, finished basements, and panel upgrades change local totals.

Labor cost

Licensed electricians plan circuits, pull cable, install devices, update grounding, and coordinate inspections. Drywall patching and painting may be electrician-owned, homeowner-managed, or a separate trade.

Additional costs

• Electrical panel or service upgrade
• Permit and inspection fees
• Drywall/plaster patching and paint
• Temporary housing if power is interrupted for extended work
• Smoke/CO detector upgrades to current code

Repair versus replacement

Replacing individual devices is not a substitute for failed knob-and-tube or deteriorated aluminum branch circuits. Targeted circuit upgrades can bridge some needs, but insurance or resale issues may still require broader rewiring.

Cost factors

• Home size and circuit count

  More rooms, kitchens, and dedicated appliance circuits mean more wire, devices, and labor.

• Access through finished walls

  Fishing cable through plaster or finished rooms is slower than working in open remodels or unfinished basements.

• Panel and grounding upgrades

  Rewires often pair with a panel upgrade, grounding electrode updates, and AFCI/GFCI protection.

• Patching and paint restoration

  Drywall or plaster repairs after cut-ins can rival electrical labor if the home must look finished again.

• Plaster, lathe, and finish restoration after fishing wires

  Historic interiors with minimal-access fishing require skilled patch and paint labor beyond raw wire and device installation.

• Panel and service upgrade with utility coordination

  New main panels, meter work, and increased service amperage add substantial cost beyond branch circuit replacement alone.

Ways to save money

• Combine rewiring with a remodel while walls are open.
• Clarify whether finish repair is included.
• Ask if a phased circuit plan can prioritize kitchens, baths, and bedrooms.
• Get panel upgrade pricing as an option, not a surprise.
• Use one licensed electrician as the permit holder of record.

Contractor quote checklist

• Licensed electrician and permit handling confirmed
• Scope: whole-house versus selected circuits
• Panel amperage and device brand assumptions listed
• Finish repair responsibility assigned
• Inspection stages and outage expectations explained

Related resources

• Whole-House Rewiring Cost Calculator
• Electrical Panel Upgrade calculator
• Outlet Installation calculator
• Lighting Installation calculator

Frequently asked questions

How long does whole-house rewiring take?

Many homes take several days to a couple of weeks on site, plus inspection scheduling. Plaster homes and occupied finishes usually take longer than open remodels.

Do I need a panel upgrade with a rewire?

Often yes if the existing panel lacks capacity, breaker spaces, or compatible protection for modern circuits. An electrician should perform a load calculation.

How do I know if my house needs full rewiring?

Frequent issues with knob-and-tube or aluminum wiring, missing grounds, insurer requirements, or major remodel access often trigger full replacement. A licensed evaluation with circuit testing beats guessing from age alone.

Can I stay in the house during a whole-house rewire?

Often yes with room-by-room sequencing, but expect outages and dust. Panel change days may need brief relocation. Discuss medical equipment, pets, and work-from-home needs before scheduling.

Does rewiring include patching walls?

Sometimes partially through allowances; many electrical bids exclude full paint and plaster restoration. Clarify patch scope and who finishes surfaces before work starts to avoid surprise trade bills.

Why do whole-house rewiring quotes vary widely?

Access method, panel upgrades, finish restoration, and circuit counts differ. Normalize those items across bids and remember high-cost metros often run higher labor rates for confined fishing work.