Home Rewiring Cost in 2026: What Homeowners Actually Pay to Replace Electrical Wiring

Home rewiring is one of those projects that homeowners know they need to think about but avoid pricing until something forces the conversation — a failed inspection, an insurance renewal letter, a breaker that keeps tripping. When the question finally comes up, the cost range people find online is so wide it is nearly useless. “Between $3,500 and $20,000” tells you almost nothing if you’re trying to decide whether to do this now or wait another year.

Here is what I have seen in actual project data: the real driver of rewiring cost is not square footage alone. It is access. How much of your home’s framing is reachable without cutting open walls — and how much of it requires tearing into drywall to fish new wire? That single variable can double or triple a quote.

What Full House Rewiring Actually Costs in 2026

For a complete rewiring of an occupied home — new wiring throughout, new circuit panel, outlets, switches, and light fixtures — here are the realistic ranges homeowners are seeing in 2026:

Small home (under 1,000 sq ft): $3,500 to $8,000. Single-story construction with an accessible attic or crawlspace at the lower end. Finished walls throughout with limited access at the higher end.

Mid-size home (1,000–2,000 sq ft): $7,000 to $15,000. This is the most common range for a 3-bedroom, 2-bath home with a 150- to 200-amp panel upgrade included.

Larger home (2,000–3,000 sq ft): $12,000 to $22,000. Two-story construction significantly increases labor. If the home has plaster walls rather than drywall, expect costs at the top of this range or beyond.

Historic or complex homes (3,000+ sq ft, plaster walls, multiple stories): $20,000 to $45,000+. Older homes with knob-and-tube or aluminum wiring, finished plaster walls, and multiple subpanels are the most labor-intensive projects electricians take on.

According to the National Association of Home Builders, electrical work accounts for roughly 11% of total new construction costs — which gives context to why rewiring an existing occupied home is so labor-intensive compared to rough-in work on new construction.

The Biggest Cost Variable: Access

When an electrician prices a rewiring project, they are really pricing hours. New wire is not expensive. Running it is. And how long it takes to run new wire through your home depends almost entirely on how much of the framing is accessible without destroying finished surfaces.

A single-story home with an unfinished basement and an attic provides access from above and below to nearly every wall. An electrician can fish wire through finished walls by drilling through top and bottom plates from the attic or basement, often without opening a single piece of drywall. Labor is significantly faster.

A two-story home with a finished basement, no attic access, and finished drywall on every surface is a completely different project. Running wire through interior walls requires cutting access holes, fishing wire around fire blocking, and patching drywall after the work is done. Some electricians price drywall repair separately; others include it. Ask specifically.

What most cost guides will not tell you: if you’re rewiring for any reason other than a whole-house renovation, ask your electrician to quote both approaches — the cleaner “fish-and-drill” method that preserves walls, and the faster “open wall” method with drywall patching included. The open wall approach sometimes costs less in total, especially when drywall repair is simple and the electrician isn’t charging for hours of fishing difficulty.

Partial Rewiring: When You Don’t Need the Whole Thing

Full house rewiring is not always what’s needed. Partial rewiring projects are common and more affordable:

Single-room rewiring: $500 to $1,500 for a bedroom or bathroom where circuits are overloaded or outlets need to meet code.

Kitchen circuit additions: $700 to $2,500. Modern kitchens require dedicated 20-amp circuits for appliances, and older kitchens often lack them. Adding 2 to 4 dedicated kitchen circuits is a common project.

Knob-and-tube removal (specific areas): $1,500 to $5,000 for targeted replacement, depending on how much knob-and-tube remains and where it is located.

AFCI/GFCI upgrades: $200 to $1,500. Many older homes don’t have arc-fault circuit interrupter (AFCI) breakers or ground fault circuit interrupter (GFCI) outlets in required locations. These are now code-required in most jurisdictions for bedrooms, kitchens, and bathrooms.

Panel Upgrade: Often Done Alongside Rewiring

If your home is being rewired, there is a good chance your panel also needs attention. Homes wired before the 1970s often have 60-amp or 100-amp panels. Modern households routinely require 150 to 200 amps, especially with EV chargers, heat pumps, and whole-house generators becoming more common. A panel upgrade done at the same time as rewiring costs less than scheduling it separately — typically $1,500 to $3,500 for the panel upgrade alone when bundled with a larger rewiring project.

For full detail on panel replacement costs as a standalone project, see our guide on Electrical Panel Upgrade Cost in 2026.

Signs Your Home May Need Rewiring

Wiring doesn’t announce itself until something goes wrong. The warning signs are easy to miss or dismiss: breakers that trip repeatedly on normal loads; outlets or switches that are warm to the touch; lights that flicker when large appliances run; an electrical burning smell with no obvious source; two-prong (ungrounded) outlets throughout the home; or a home built before 1970 that has never had a wiring inspection.

Aluminum wiring — used in some homes built between roughly 1965 and 1973 — is a specific concern. Aluminum wiring doesn’t fail catastrophically on its own, but connections between aluminum wire and standard copper terminals can loosen over time and create fire hazards. If your home was built during this period and you don’t know whether it has aluminum wiring, a licensed electrician can assess it during an inspection for $150 to $300.

The U.S. Department of Energy notes that electrical system updates are often required before homeowners can take advantage of rebates and incentives for heat pumps and EV chargers — so if an upgrade is in your future on those fronts, the electrical system is a logical starting point.

What to Ask Before You Hire an Electrician

Not all electrical quotes are structured the same way. Before you accept a bid, ask these questions: Does the quote include pulling the required permits, or are permits billed separately? Who patches drywall after the work — is that included or do you need a separate contractor? Does the quoted price include the panel upgrade or just the wiring? Is the labor price fixed-bid or hourly, and what happens if access is more difficult than expected?

Get at least two quotes on any rewiring project over $5,000. The variation between licensed electricians in the same market can be 30% to 50% on large jobs. That is not a reflection of quality — it reflects different approaches to access, labor structure, and overhead.

Rewiring is not a glamorous home improvement. There are no before-and-after photos. But it is the kind of investment that protects everything else in your home — and getting a realistic cost picture before you start is the difference between a project that goes smoothly and one that surprises you halfway through.