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Do I need a permit for electrical work? The rule in 13 cities, and how many get filed

Yes, for anything beyond swapping a part in place. All 13 building departments whose rules we read require a permit to add or move a circuit, add an outlet or change the panel; the exemptions cover replacing a lamp, plugging in an appliance and wiring under 25 volts. Seattle alone filed 20,201 electrical permits in three years, and Austin 24,726.

By Contractor Records · data through October 17, 2026

The rule in 13 departments, with their permit counts

Rules from each department's own page, read 23 October 2026. Counts are electrical permits in the city's file over three years to September 2026; "usual days" is the typical time from issue to final inspection.

City The rule Electrical permits Usual days to final
Seattle, WA "You need an electrical permit any time electrical wiring is installed, altered, extended, or connected to any electrical equipment" 20,201 42
Austin, TX Exempt only: reinstalling plug receptacles "but not the outlets", same-capacity breakers in the same location, under 25 volts and 50 watts, minor repair 24,726 76
Saint Paul, MN "Work on electrical, plumbing, piping, sheet metal or heating and air conditioning systems requires trade permits" 15,800 59
Bellevue, WA "A permit is required for adding or moving electrical circuits and for changes to the service panel" 8,025 45
San Diego, CA Adding circuits needs a permit; "Replacing switches, light fixtures, receptacles, appliances" does not 2,265 71
San Diego County (unincorporated) Exempt: "Minor repair work such as repairing a snap switch, replacing a fuse, repairing a lamp socket or a receptacle" 2,855 63
Sacramento County (unincorporated) "Ceiling fans / Lights" and "Electrical panel, circuit" are on its permit list 4,054 56
Citrus Heights, CA Circuits, panels, "ELECTRICAL REPAIRS" and hard-wired appliances: yes; plug-in appliance with no new wiring: no; a ceiling fan needs one 1,445 54
Elk Grove, CA Exempt: "Minor repair work, including the replacement of lamps" and connecting portable equipment to installed receptacles 700 49
Naperville, IL "Electrical work" needs a permit, except minor repair, under 25 volts and 50 watts, and cord-and-plug decorative lighting 668 144
Cary, NC Adding or relocating "lighting and receptacle outlets" needs a permit; replacing fixtures with no work inside the wall or ceiling cavity does not 1,455 41
Waco, TX Most electrical work needs a Residential Electrical permit; "Service change outs always require a permit" 3,624 120
Denton, TX Covers "Service updates, rewires, changes to breaker box," hard-wired appliances, "new light fixtures, and new outlets"; $50 minimum fee 422 —

Denton shows no days because its file does not carry a final-inspection date we can time; 91.9% of its electrical permits a year or more old reached a final.

Where the cities split: replacing a fixture

Adding anything is permit work everywhere. Replacing a fixture, switch or outlet in place is where the rules differ. San Diego and Cary exempt it (Cary only if nobody opens the wall or ceiling cavity). Citrus Heights puts "ELECTRICAL REPAIRS" on its permit list, Sacramento County lists "Ceiling fans / Lights", and Denton lists new light fixtures. A ceiling fan on an existing box is a fixture swap in San Diego and permit work in Citrus Heights, which lists "Installation of a ceiling fan" among its permit projects.

A panel or service change is permit work in all 13; more in panel upgrade permits.

Who pulls it

A licensed electrician, or you on your own home where the city allows it. Seattle requires a Washington State electrical contractor's license and a Seattle business license for anyone applying professionally, and lets owners who live in the house do their own work. Waco requires a licensed trade contractor unless a homestead owner does the work on their own homestead. Cary lets an owner do their own electrical work, but state law requires the house to be their primary residence for 12 months after. How to check the license: hiring an electrician.

How long it takes

Fast in most places. The usual electrical permit closed in 41 days in Cary, 42 in Seattle and 45 in Bellevue, against 120 in Waco and 144 in Naperville. 94.5% of Seattle's electrical permits a year or more old reached a final, against 64.6% of Naperville's. An open permit can surface at resale, so ask for the final before the last payment.

Check it in five minutes

  1. Write down whether the job adds anything (a circuit, outlet, fixture location) or only swaps a part. Adding needs a permit in all 13.
  2. Find your department in the table; if it is not here, search its site for "work exempt from permit".
  3. Ask the electrician for the permit number before work starts, then look it up on the city's permit portal.

See every Seattle electrician by permits filed →

What this does not tell you

We read 13 departments' rules; your city may differ. Exempt swaps leave no record, so our counts cover permitted jobs only, and electrical work done under a remodel permit (Denton's rule) is not counted as electrical.

How we know this

Rules are quoted from the pages under Sources, read 23 October 2026. Permit counts, filed values, usual days to final and finished shares come from each city's permit file over the three years ending September 2026. "Usual days" is the median from issue to final inspection; "reached a final" counts permits a year or more old.

Numbers come from City of Seattle (SDCI) building, trade and electrical permits on single-family and duplex homes (the city's open-data exports); City of Austin issued construction permits; City of Saint Paul building and trade permits (the City's old approved-permits file up to June 2025, and the City's PAULIE permit system since September 2025), with the contractor named on each permit; City of Bellevue permits on single-family homes and condo units; Town of Cary building permit applications (issued permits only); City of San Diego Development Services approvals; Sacramento County building permits on single-family, duplex and townhouse homes in the unincorporated county (the County's Accela permit layer); City of Naperville building permits (the current permit system plus the city's older records), data through October 17, 2026. Nobody paid to be on this page and nobody can.

Questions

  • Do I need a permit to replace a light fixture or an outlet?

    Usually not for a like-for-like swap. San Diego says replacing 'switches, light fixtures, receptacles' needs no permit, and Cary exempts fixture replacement when no work is done inside the wall or ceiling cavity. Citrus Heights lists electrical repairs as needing a permit, and Sacramento County lists ceiling fans and lights, so check your own department.

  • Do I need a permit to add an outlet or a circuit?

    Yes, in every department we read. Bellevue requires one 'for adding or moving electrical circuits', San Diego for 'adding circuits', Cary for adding or relocating lighting and receptacle outlets, and Denton lists 'new light fixtures, and new outlets'.

  • Can I do my own electrical work?

    On a home you own and live in, in most of these cities. Seattle says 'Property owners may do their own work when they own and occupy the property'. Waco allows a homestead owner working on their own homestead; everyone else needs a licensed electrician. Cary lets an owner do their own electrical work if the house stays their primary residence for 12 months after.

  • How long does an electrical permit take?

    The usual electrical permit reached its final inspection in 41 days in Cary, 42 in Seattle and 76 in Austin, against 144 in Naperville. Seattle issues many electrical permits the same day you apply online.

  • What does a permitted electrical job cost?

    The usual filed value on an electrical permit was $1,200 in Saint Paul, $2,117 in Cary and $4,067 in Seattle. Filed values are what the contractor wrote on the application, and many small jobs are filed with no value at all.

Build your own list

Every firm with that kind of permit on record. Pick what you value. The list moves.

Seattle electricalAustin electricalSaint Paul electricalBellevue electricalCary electricalSan Diego electricalSacramento County (unincorporated) electrical & panelNaperville electrical

Related guides

For one city

All guides →

Sources
  1. Electrical Permit — Seattle SDCI (accessed 2026-10-23)
  2. Work Exempt from Building Permits — City of Austin Development Services (accessed 2026-10-23)
  3. When is a permit required? — City of Saint Paul DSI (accessed 2026-10-23)
  4. Guide to Building Permits (rev. 10/31/2022) — City of Naperville, IL (accessed 2026-10-23)
  5. Projects Requiring a Building Permit (CHB0600, rev. 08/23) — City of Citrus Heights, CA (accessed 2026-10-23)
  6. Permit Requirements & Exemptions — City of Citrus Heights, CA (accessed 2026-10-23)
  7. When is a Permit Required? — City of San Diego Development Services (accessed 2026-10-23)
  8. PDS 110 Building Permit Requirements per Adoptive Ordinance (rev. 01/01/2026) — County of San Diego (accessed 2026-10-23)
  9. Work requiring permits — City of Bellevue, WA (accessed 2026-10-23)
  10. Frequently Asked Questions — Sacramento County Building Permits and Inspection (accessed 2026-10-23)
  11. Do I need a building permit? — City of Elk Grove, CA (accessed 2026-10-23)
  12. Electrical — City of Denton, TX (accessed 2026-10-23)
  13. Do I Need a Permit? — City of Waco Inspection Services (accessed 2026-10-23)
  14. Residential Permits FAQ — Town of Cary, NC (accessed 2026-10-23)