Whole-House Rewiring Cost in 2026

Cost by project size

Cost by type

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. Hold the same finish goals across bids—material grade, prep depth, and warranty length—before sorting by price alone.

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. Ask for written exclusions up front so you can compare what each contractor deliberately leaves out versus includes by default. Request a start window and daily cleanup standard so occupied homes stay usable while work proceeds. Confirm permit and inspection responsibility in writing when code triggers are likely for your scope. Budget a modest contingency for hidden conditions discovered after demo or opening walls, with unit rates agreed in advance.

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. Request a start window and daily cleanup standard so occupied homes stay usable while work proceeds. Confirm permit and inspection responsibility in writing when code triggers are likely for your scope. Budget a modest contingency for hidden conditions discovered after demo or opening walls, with unit rates agreed in advance. Compare payment milestones tied to measurable progress rather than large upfront deposits without material delivery.

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. Confirm permit and inspection responsibility in writing when code triggers are likely for your scope. Budget a modest contingency for hidden conditions discovered after demo or opening walls, with unit rates agreed in advance. Compare payment milestones tied to measurable progress rather than large upfront deposits without material delivery. Keep dated photos and scope notes so future trades or insurers can verify what was installed and when.

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. Budget a modest contingency for hidden conditions discovered after demo or opening walls, with unit rates agreed in advance. Compare payment milestones tied to measurable progress rather than large upfront deposits without material delivery. Keep dated photos and scope notes so future trades or insurers can verify what was installed and when. Clarify who hauls debris and protects finishes, landscaping, or stored contents during active work days.

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. Compare payment milestones tied to measurable progress rather than large upfront deposits without material delivery. Keep dated photos and scope notes so future trades or insurers can verify what was installed and when. Clarify who hauls debris and protects finishes, landscaping, or stored contents during active work days. Use national planning midpoints to prepare financing, then treat local measured bids as the authoritative payable total.

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. Keep dated photos and scope notes so future trades or insurers can verify what was installed and when. Clarify who hauls debris and protects finishes, landscaping, or stored contents during active work days. Use national planning midpoints to prepare financing, then treat local measured bids as the authoritative payable total. Hold the same finish goals across bids—material grade, prep depth, and warranty length—before sorting by price alone.

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. Clarify who hauls debris and protects finishes, landscaping, or stored contents during active work days. Use national planning midpoints to prepare financing, then treat local measured bids as the authoritative payable total. Hold the same finish goals across bids—material grade, prep depth, and warranty length—before sorting by price alone. Ask for written exclusions up front so you can compare what each contractor deliberately leaves out versus includes by default.

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. Use national planning midpoints to prepare financing, then treat local measured bids as the authoritative payable total. Hold the same finish goals across bids—material grade, prep depth, and warranty length—before sorting by price alone. Ask for written exclusions up front so you can compare what each contractor deliberately leaves out versus includes by default.

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. Hold the same finish goals across bids—material grade, prep depth, and warranty length—before sorting by price alone. Ask for written exclusions up front so you can compare what each contractor deliberately leaves out versus includes by default. Request a start window and daily cleanup standard so occupied homes stay usable while work proceeds. Confirm permit and inspection responsibility in writing when code triggers are likely for your scope. Budget a modest contingency for hidden conditions discovered after demo or opening walls, with unit rates agreed in advance.

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 cost guides & articles

• Electrical category hub
• Electrical Panel Upgrade Cost
• EV Charger Installation Cost
• Kitchen Remodel Cost
• Bathroom Remodel Cost
• How to Compare Contractor Quotes
• How to Build a Home Renovation Budget
• Flickering Lights Causes: Bulbs, Circuits, and Panel Warning Signs
• Electrical Panel Overload Warning Signs Before You Add Load
• EV Charger Questions to Ask Before Installation
• Whole House Rewiring Signs Homeowners Should Not Ignore

Next steps in this project cluster

• Category hub
• Electrical Panel Upgrade
• Whole-House Rewiring calculator
• Flickering Lights
• Electrical Panel Overload
• Electrical Maintenance
• Flickering Lights Causes: Bulbs, Circuits, and Panel Warning Signs
• Electrical Panel Overload Warning Signs Before You Add Load
• EV Charger Questions to Ask Before Installation
• Compare repair vs replace
• Common home problems
• Maintenance cost guides

Frequently asked questions