Home Rewiring · Seattle, WA
Home Rewiring in Seattle, WA
Many Seattle craftsman homes still have knob-and-tube wiring, and it often comes up before insulation projects. Knob-and-tube was designed to shed heat into open air, so insulating over it is a concern; electricians commonly recommend assessing it and replacing active runs before walls and attics are insulated, and some insurers ask about it too.
- Call now to check electrician availability in your area
- Independent, licensed electricians
- Serving Ballard, Capitol Hill, West Seattle and more
What's different about home rewiring in Seattle
Rewiring a craftsman usually means fishing new cable through plaster and lath with selective openings. In Seattle the permit comes from SDCI; most of the rest of the state is permitted by the Washington Department of Labor and Industries.
Converting from oil or gas heat to a heat pump, adding an induction range and an EV charger is a common path, and it usually starts with a panel and service upgrade. Older homes also need knob-and-tube replacement before insulation is added.
- Permits in Seattle
- Seattle issues its own electrical permits through the Seattle Department of Construction and Inspections (SDCI); most of the rest of Washington is permitted by the state Department of Labor and Industries.
- Where we connect you
- 59 ZIP codes in Seattle, including Ballard, Capitol Hill, West Seattle, Queen Anne, Wallingford, Rainier Valley
Signs it's time to call
- Knob-and-tube or cloth-insulated wiring
- Two-prong outlets throughout
- Aluminum branch wiring
- Frequent tripping or warm devices
- An insurer or home inspector flagged the wiring
How the job usually goes
1. Assessment
Wiring type, condition and circuit layout are documented.
2. Plan and permit
Circuits are prioritized and the work is permitted.
3. Rewire
New cable is fished through walls and ceilings with minimal openings.
4. Inspection and patching
Rough-in and final inspections, then wall openings are closed.
Full details on home rewiring, including what you can safely check yourself.
What moves the price in Seattle
Electricians set their own prices. Local permit fees, utility coordination and the age of the home all play a part, along with:
- Home size and number of circuits
- Access through attic, basement or crawl space
- Plaster versus drywall
- Whether the panel is upgraded at the same time
- Patching and painting scope
Stop and call an electrician if
- ✕ Do not cover knob-and-tube with insulation
- ✕ Do not splice new wire onto old wiring
Home Rewiring in Seattle: questions
Do I need a permit for home rewiring in Seattle?
In most cases, yes. Seattle issues its own electrical permits through the Seattle Department of Construction and Inspections (SDCI); most of the rest of Washington is permitted by the state Department of Labor and Industries. The electrician normally pulls the permit and arranges the inspection.
Do I have to rewire the whole house at once?
No. Many homeowners rewire in phases, starting with kitchens, baths and bedrooms.
Is aluminum wiring dangerous?
Aluminum branch wiring can overheat at connections. Approved repairs (such as rated connectors) or replacement reduce the risk; an electrician can advise which fits.
What electrical issues are common in Seattle homes?
Electricians in Seattle most often see: knob-and-tube replacement before insulating; panel upgrades for heat pumps and electrification; windstorm outages and generator inlet installations.
More electrical help in Seattle
Home Rewiring in other cities
Need home rewiring in Seattle?
Call now, or send a request and a licensed electrician who serves your ZIP code will contact you.

