How Much Does GFCI Outlet Installation Cost?

Updated on September 7, 2026 | Written by Alec Pow
This article was researched using 13 sources. See our methodology and corrections policy.

A professional GFCI outlet installation usually costs about $130 to $300 per outlet in 2026, while a straightforward replacement can start around $100. If the electrician must add new wiring, open finished walls, install an outdoor weatherproof box, correct old wiring, or change the circuit, the project can reach $300 to $450+ per location and sometimes more.

The GFCI receptacle itself is inexpensive compared with the service call. Current Home Depot pricing puts a Leviton 15-amp self-test GFCI at $18.98 and a 20-amp version at $23.48. A four-pack of 15-amp units is $56.98, or about $14.25 each. Labor, travel, troubleshooting, permits where required, access, and any wiring repairs usually create most of the installed price.

There is also an important cost shortcut: a home does not necessarily need a GFCI receptacle at every protected outlet. One correctly installed GFCI receptacle can protect downstream receptacles on the same branch circuit, and a GFCI breaker can protect an entire branch circuit. The correct approach depends on the existing circuit and the electrical code adopted by the local authority.

Article Highlights

• Most professional GFCI outlet installations cost about $130 to $300 (at $30 per hour, earning that amount would take about 0.5 to 1.3 full-time workdays, before taxes) in 2026.
• A simple GFCI replacement can start around $100, while a new or difficult outlet can reach $300 to $450+.
• Current Leviton self-test GFCI hardware costs about $18.98 for 15 amps and $23.48 for 20 amps.
• A four-pack priced at $56.98 works out to about $14.25 per device, about 25% less than buying four $18.98 singles.
• Outdoor GFCI outlet installation currently averages roughly $150 to $260.
• One GFCI receptacle can provide downstream protection to multiple receptacles when the circuit is configured correctly.
• CPSC recommends testing GFCIs after installation, after a power failure, and at least once a month.

How Much Does GFCI Outlet Installation Cost?

Angi’s April 2026 GFCI cost data puts most professional installations at $130 to $300 (about 0.5 to 1.3 full-time workdays at $30 per hour), with replacement projects starting around $100. The final bill depends on whether the electrician is swapping a device in a healthy existing box or creating a new protected outlet with additional wiring.

GFCI project	2026 cost benchmark	What changes the total
Simple professional replacement	About $100-$200+	Existing box and wiring are usable
Typical GFCI installation	$130-$300	Service call, labor, device and local conditions
General new outlet installation	$100-$450	Wire run, wall access and panel distance
Outdoor outlet installation	$150-$260	Weatherproofing, drilling and wire route
Leviton 15A self-test GFCI	$18.98	Device only
Leviton 20A self-test GFCI	$23.48	Device only

The broader 2026 outlet-installation data puts professional outlet projects at about $100 to $450 per location. Electrician minimum charges are commonly $100 to $200 per visit, which explains why replacing one inexpensive receptacle can still produce a bill well above the device price.

What You’re Buying

A GFCI, or ground-fault circuit interrupter, is designed primarily to protect people from dangerous electric shock caused by leakage current. It compares current leaving and returning through the circuit and interrupts power when it detects a ground-fault condition. That is different from an AFCI, which is designed to reduce fire risk from hazardous arcing faults.

The Electrical Safety Foundation International distinguishes the two devices this way: GFCI protection addresses ground-fault shock, while AFCI protection addresses dangerous electrical arcing. Some locations can require both forms of protection, depending on the circuit and the code enforced locally.

The installed price covers more than the plastic receptacle. The electrician may need to identify the circuit, assess the existing box and conductors, replace the device, confirm the protection operates properly, and determine whether other receptacles on the circuit are intended to receive downstream protection. Existing wiring problems can turn a short device swap into troubleshooting or corrective work.

Replacement vs New Installation

A like-for-like replacement is normally the least expensive situation because the box, cable, and circuit already exist. Angi’s current outlet-replacement data puts a single outlet at roughly $100 to $250 (about 0.4 to 1 full-time workdays at $30 per hour), with GFCI replacements around $120 to $200 in its outlet-type breakdown. Multiple outlets completed during the same visit can have a lower per-device labor cost.

Case 1: one simple replacement. A homeowner receiving a $150 installed quote should not compare it only with a $18.98 retail receptacle. The hardware represents about 12.7% of that modeled bill. The remaining $131.02 covers the contractor’s labor, travel, overhead, testing, and margin rather than $131 of wire or plastic.

Case 2: five replacements in one visit. Angi’s 2026 multi-outlet table puts projects involving three to six outlets at roughly $90 to $200 per outlet. Five replacements model at about $450 to $1,000. Five separate visits priced at its single-outlet range of $100 to $250 would model at $500 to $1,250. Grouping work can reduce the duplicated service-call component.

A genuinely new location is different. Running cable through finished walls, drilling through framing or masonry, adding a box, reaching a distant panel, or repairing wall finishes can move the price toward the upper end of the $100 to $450 general outlet-installation range.

One GFCI Can Protect Several Outlets

A GFCI receptacle can protect more than the two plug openings on its face. The CPSC home wiring guide explains that receptacle-type GFCIs can protect a series of receptacles on the same branch circuit. A GFCI circuit breaker can provide ground-fault protection for the branch circuit from the panel.

That can change the project budget. If four ordinary receptacles are downstream from one properly located GFCI receptacle, the circuit may not require five separate GFCI devices merely to obtain ground-fault protection. The downstream receptacles still need to meet any identification, tamper-resistance, weather-resistance, location, and other requirements that apply to that installation.

The hardware math is small but illustrative. Four individual Leviton 15-amp self-test units at $18.98 each cost $75.92. The current four-pack costs $56.98, saving $18.94, or about 24.9%. The larger savings can come from avoiding unnecessary individual GFCI devices and duplicated labor when circuit design permits upstream protection.

The Hidden Price: Wiring and Permits

The low end assumes the existing electrical system is ready for the new device. Old boxes, damaged conductors, reversed or otherwise incorrect wiring, insufficient box space, missing grounding arrangements that require evaluation, and a circuit that needs broader correction can increase labor.

Permits are another variable rather than an automatic per-outlet fee. Angi’s current GFCI guide cites roughly $50 to $400 for electrical permits when they apply, depending on project scope and jurisdiction. A simple device replacement may be treated differently from a new branch circuit or significant rewiring. The local building department or authority having jurisdiction controls the permit and inspection requirement.

Case 3: outdoor GFCI. Angi’s August 2026 outdoor-outlet data puts professional installation at roughly $150 to $260. An outdoor job can require a weather-resistant receptacle, a weatherproof enclosure or cover, drilling, conduit or cable routing, and additional labor based on the distance from an existing circuit.

A project that also needs extensive new wiring or wall repair is no longer a basic GFCI swap. Current general outlet data says permits, new wiring, and drywall work can collectively add $150 to $1,000+ on more involved projects. Those are project-level possibilities, not charges that should automatically be added to every outlet.

GFCI Code Rules in 2026

The National Electrical Code has expanded GFCI protection over many editions, but the code that legally controls a home project is the edition and amendments adopted by the state or local authority. The 2026 NEC is now published, yet jurisdictions do not all adopt a new NEC edition at the same time.

Bathrooms, kitchens, garages, basements, laundry areas, outdoor locations, and other specified areas are prominent GFCI locations in modern NEC editions. The exact rule should not be reduced to the old phrase “within six feet of water.” The 2023 NEC kitchen revision expanded dwelling-unit kitchen GFCI protection to qualifying 125- through 250-volt receptacles supplied by circuits rated 150 volts to ground or less, rather than only receptacles serving countertops.

Leviton’s GFCI location guidance lists kitchens, bathrooms, basements, laundry rooms, garages, porches, and other wet or damp locations among the common areas requiring protection. Existing homes can be affected differently from new construction or remodeled circuits, so the local adopted code and project scope matter.

GFCI protection is also not the same as fire-focused AFCI protection. A project may require one, the other, or both. That distinction is worth checking before comparing bids because a dual-function breaker or broader circuit correction is a different job from replacing one receptacle.

DIY or Electrician?

The hardware cost makes DIY tempting, but this is one place where a cost article should not become a generic wiring tutorial. The CPSC GFCI fact sheet says receptacle-type GFCIs may be installed by consumers who have adequate knowledge and skills to follow proper wiring practices and the device instructions. It also says that anyone uncertain about the procedure should use a qualified electrician.

Makes sense if:

• You are comparing several electrician quotes for the same defined scope.
• You bundle several confirmed outlet replacements into one service visit.
• The electrician explains whether one upstream GFCI or a GFCI breaker can protect downstream receptacles.
• You verify whether the quote includes permits, outdoor covers, wall repair, or circuit correction when those items are required.

Does not make sense if:

• You assume every receptacle in a protected area needs its own GFCI device.
• You postpone a required safety correction solely to spread the expense across several years.
• You compare a device-only retail price with a professional installed price as though they buy the same thing.
• You attempt unfamiliar electrical work without being able to verify the circuit condition, device instructions, and local requirements.

After installation, testing is inexpensive and important. The CPSC recommends testing GFCIs after installation, at least once every month, after a power failure, and according to the manufacturer’s instructions. If the device does not respond correctly to its TEST and RESET functions, it needs evaluation or replacement.

What We Verified

• Checked current 2026 installed GFCI pricing against Angi’s $130 to $300 professional range.
• Confirmed current device pricing with Home Depot, including a Leviton 15-amp self-test unit at $18.98 and a 20-amp unit at $23.48.
• Cross-referenced downstream GFCI protection and monthly testing guidance with CPSC electrical-safety material.
• Verified the distinction between GFCI shock protection and AFCI arc-fault fire protection with ESFI.
• Checked current code framing against Leviton’s NEC guidance while treating the locally adopted electrical code as the controlling requirement.

Related Electrical Costs

If the outlet project is part of a higher-voltage appliance or EV circuit, compare it with our 240V outlet installation cost guide. A new 240V branch circuit is materially different from replacing a 120V GFCI receptacle.

If the electrician finds that the panel is full, obsolete, damaged, or undersized, see our electrical panel upgrade cost analysis. Homeowners adding backup-power equipment can also compare the separate GenerLink installation cost.

Answers to Common Questions

How much does it cost to have a GFCI outlet installed?

Most professional GFCI installations currently fall around $130 to $300. A straightforward replacement can start near $100, while new wiring or difficult access can push the project toward $300 to $450+.

How much does a GFCI outlet itself cost?

Common residential devices are inexpensive relative to labor. Current Home Depot pricing includes a Leviton 15-amp self-test GFCI at $18.98 and a 20-amp model at $23.48. Bulk packs can reduce the per-device hardware cost.

Do I need a GFCI outlet at every receptacle?

No. One properly installed GFCI receptacle can provide feed-through protection to downstream receptacles on the same branch circuit, and a GFCI breaker can protect a branch circuit from the panel. The correct configuration depends on the circuit and applicable code.

Do I need a permit to replace a GFCI outlet?

Not everywhere. Permit rules differ by jurisdiction and project scope. A simple replacement may be handled differently from adding a new outlet, extending wiring, or installing a new branch circuit. Ask the local building department or electrician which requirement applies.

How often should a GFCI be tested?

CPSC recommends testing after installation, at least once a month, after a power failure, and according to the manufacturer’s instructions. A GFCI that fails its prescribed test should be evaluated and replaced if defective.