What does it cost to install a GFCI outlet, and can I do it myself?
GFCI outlets protect you near water. A single swap is a careful DIY job for some; an electrician is a small, fast bill for everyone else.
Hire a pro
$167 to $333
Typical national range, done by a licensed electrician. Local labor rates move this up or down by a third.
Do it yourself
$15 to $30
Parts only, moderate difficulty, about 20 to 45 minutes. Tools: screwdriver, voltage tester, wire stripper.
Do I need a pro?
Sometimes yourself, sometimes a pro
Swapping one outlet for a GFCI is doable if you are comfortable turning off the breaker, confirming the power is off with a tester, and matching line and load wires. If the box has more than two cables, the wiring is aluminum, or anything looks scorched, stop and call an electrician. For a whole kitchen or bathroom, the electrician's trip charge covers several outlets at once.
Why it costs what it costs
- The part is cheap; the price is the trip charge. Grouping several outlets into one visit cuts the per-outlet cost.
- Older houses with no ground wire may need a different fix (a GFCI still works, but must be labeled).
When to stop and call someone
- The box has three or more cables, or any aluminum wiring.
- The outlet is warm, discolored, or trips immediately after installation.
- You want outlets added where there are none, not just swapped.
What would it cost at your house?
Ranges are national. The advisor knows your home's age, systems and region, and it's free: ask your first question with no account, then sign in free to ask as many as you like.
Questions people ask
- Where are GFCI outlets required?
- Kitchens, bathrooms, garages, outdoors, unfinished basements, laundry areas and anywhere within six feet of a sink, under current code. Older houses are not required to retrofit but it is cheap safety.
- Why does my GFCI keep tripping?
- Often a real ground fault somewhere downstream (a damp outdoor outlet, a failing appliance). Unplug things one at a time; if it still trips with nothing plugged in, call an electrician.
- Can one GFCI protect several outlets?
- Yes. A GFCI wired on the load side protects every outlet after it on the circuit, which is why one in a kitchen can cover the counter.
Related guides
- What does an electrical panel upgrade cost? · $1,500 to $4,000
- What does it cost to fix or replace an electrical outlet? · $167 to $417
Published 2026-10-06. Costs from Viorly's repair cost database; the DIY estimate is parts at retail, the pro range is before local labor differences. Lowest listed price is $167.