Everything Hanco Electric does for homeowners, in one place. Licensed, insured, and permit-pulled, start to finish. Free on-site estimates.
Hanco Electric is a residential electrical contractor based in King County. Whether you're modernizing an old panel, adding a big new load, or replacing wiring that no longer belongs in your walls, here is where to start. Pick the service closest to your project for the details, or just reach out and we'll point you the right way.
200A and 400A upgrades for homes that have outgrown an older or undersized panel. We handle permits and utility coordination.
Learn more →Federal Pacific, Zinsco, split-bus, fuse, and knob-and-tube systems: what makes them risky, and what replacing them involves.
Learn more →Level 2 home charging, sized correctly for your vehicle and panel. Check your capacity first with our free calculator.
Learn more →Automatic backup power that carries your home through Puget Sound storm outages, whole-home or essential circuits.
Learn more →A safe, code-compliant dedicated 240V circuit with GFCI disconnect and bonding for your new hot tub.
Learn more →Wiring and panel capacity for a gas-to-electric heat pump conversion. Confirm your service can carry it before you buy.
Learn more →Heat pump, induction range, heat pump water heater and a charger. Check what your service carries before you commit to the plan.
Learn more →Share the existing service or give the ADU its own? What Seattle City Light and PSE actually require, and what decides it.
Learn more →Replacing brittle, ungrounded pre-1950 wiring in older Seattle homes, often alongside a remodel or panel upgrade.
Learn more →Added capacity and dedicated circuits for workshops, outbuildings, appliances, and other new loads.
Ask us →Hanco Electric primarily serves Seattle (including Rainier Valley, Columbia City, Beacon Hill, Georgetown, West Seattle, and White Center), Renton, Burien, Tukwila, Kent, Auburn, and Federal Way. We also serve north and east King County communities including Bellevue, Kirkland, Redmond, and Shoreline.
Tell us what you're planning and we'll help you figure out the right path. Every estimate is free and on-site, with no obligation.
Get a Free EstimateAdding a new load and want to check your panel first?
Try the Load Calculator