Key facts
| Place | Homeowner may permit own work? | Main limits |
|---|---|---|
| Minnesota (DLI) | Yes, where the state is the inspection authority | Own home; check if your city inspects locally |
| Colorado (State Electrical Board) | Yes, at own residence | Work done personally; property not for sale, resale or rent; permit from the state board or local building department |
| Idaho (DOPL) | Yes | Primary or secondary residence and related outbuildings; not commercial; $65 re-inspection |
| Connecticut | Yes, licensing exemption under CGS 20-340 | Owner-occupied single-family home; inspection and permits still required |
| Nevada | Owner-builder exemption, NRS 624.031 | No sale or lease within 1 year; no unlicensed hires; affidavit |
| New Mexico | Yes, homeowner permit | Self-perform or W-2 employees; licensed subs pull own permits |
| Wichita and Sedgwick County, KS (MABCD) | Yes, after a homeowner test | Fee charged for the test |
| Chicago, IL | Not for hot tub wiring | Express electrical permit lists a licensed electrical contractor |
| St. Louis County, MO | Not for a portable spa under the exemption | Licensed electrical contractor must sign the permit |
Sources: Minnesota DLI, electrical permits for homeowners; Colorado Division of Professions and Occupations; Idaho DOPL electrical FAQs; Connecticut General Statutes chapter 393; Nevada State Contractors Board, owner-builder information; NMAC 14.5.2.18; MABCD homeowner testing directive; Chicago Department of Buildings; St. Louis County residential guides. Checked October 24, 2026.
What a homeowner permit covers
A homeowner electrical permit lets the person who owns, and usually lives in, a home do electrical work there without a license, as long as the work is permitted and inspected. A sauna heater circuit or a 240 volt hot tub circuit is exactly the kind of job these programs cover: a dedicated breaker, wire sized to the maker's chart, a disconnect and, for hot tubs, GFCI protection. It does not waive the code. The inspector checks the same things they would check on a contractor's job, and failing means a re-inspection, which Idaho prices at $65.
Who is eligible
Eligibility turns on ownership and use. Idaho allows homeowner permits for a primary or secondary residence and related outbuildings, and excludes commercial work. Connecticut's exemption in CGS 20-340 applies to single-family residences owned and occupied, or to be occupied, by the person doing the work, and the work stays subject to the local building official's inspection. Minnesota's Department of Labor and Industry issues homeowner permits for work in a home you own and live in, but first you need to know whether your city does its own inspections or relies on the state. In Colorado, a homeowner may wire their own residence with a permit from the State Electrical Board or the local building department, provided they do the work personally and the property is not for sale, resale or rent; the state board inspects where no local authority does.
Strings attached
Nevada's owner-builder exemption under NRS 624.031 is the strictest in this list: the Contractors Board says you may not sell or lease the property within a year of completion, may not hire unlicensed people to do the work, and must sign an affidavit. New Mexico's rule 14.5.2.18 requires the homeowner to do the work personally or with W-2 employees, or to self-perform a significant portion while subcontracting parts, and any subcontractor must be licensed and pull their own permit. In Wichita and unincorporated Sedgwick County, the Metropolitan Area Building and Construction Department requires homeowners to pass a test first, for a fee.
Where a licensed contractor is required
Some cities do not leave hot tub wiring to owners. Chicago's pool and spa page calls for an express electrical permit for any wiring other than cord-and-plug and lists a licensed electrical contractor on the application. St. Louis County's portable spa exemption requires a licensed electrical contractor to sign the electrical permit. If you live in a city with its own licensing rules, ask before you buy materials.
Should you do it yourself?
Sauna and hot tub circuits are high amperage. An 8 kW sauna heater draws about 33 amps at 240 volts, and many 240 volt hot tubs call for a 40 or 50 amp breaker in their manuals. If you have not wired a 240 volt circuit before, the money saved may not be worth the risk or the re-inspection fees. Many owners pull the permit themselves for small jobs and hire an electrician for the panel work. Either way, read the heater or tub manual first; the inspector will ask for it. Our breaker and wire size guide and hot tub disconnect guide explain what the circuit involves.
Worked example: one sauna, three states
A homeowner in Boise installing a barrel sauna can buy an electrical permit from DOPL for the outbuilding, wire the 40 amp circuit and call for inspection. The same project in Hartford works under CGS 20-340 if the house is an owner-occupied single-family home. In Las Vegas, an owner-builder can do the work but cannot sell the house for a year after finishing, so someone planning to move soon should hire a licensed electrical contractor instead.
Related guides
- Can you wire your own hot tub or sauna in Austin, San Antonio, Denver or Salt Lake City?
- Who can pull the electrical permit for a sauna, hot tub or cold plunge in Chicago, DC, Houston, Dallas and Phoenix
- Backyard sauna permits in Little Rock, Portland ME, Sioux Falls, Billings, Omaha and more
- Sauna heater breaker and wire size
- Sauna electrical permits in Las Vegas
- Do you need a permit for a hot tub? Rules by city
- Does a backyard sauna need a permit? The 200 square foot rule
Frequently asked questions
Can a homeowner wire their own sauna heater or hot tub?
In many places, yes, with a permit and inspection. Minnesota, Colorado, Idaho and Connecticut all let owners permit electrical work on their own homes, and the Wichita-Sedgwick County building department allows it after a homeowner test. Chicago and St. Louis County require a licensed electrical contractor for hot tub wiring.
Does a homeowner permit skip the inspection?
No. Every homeowner permit program we checked still requires inspection. Connecticut's licensing exemption for owner-occupants explicitly keeps inspection and building permit requirements in place.
Can I wire a hot tub at a rental property under a homeowner permit?
Usually not. Idaho limits homeowner permits to a primary or secondary residence and related outbuildings, not commercial work, and Connecticut's exemption applies only to a single-family residence the person owns and occupies or will occupy.
What is the catch in Nevada's owner-builder exemption?
Under NRS 624.031, you may not sell or lease the property within a year of completion, you may not hire unlicensed workers, and you must file an affidavit.
Can I hire a handyman to help under a New Mexico homeowner permit?
Only within limits. The homeowner must do the work personally or with W-2 employees, or self-perform a significant portion; any subcontractor must be licensed and pull their own permit.
Do I need to pass a test to wire my own sauna in Wichita?
Yes. The Metropolitan Area Building and Construction Department requires homeowners doing their own work to pass a homeowner test, and charges a fee.
What does a re-inspection cost in Idaho?
$65, according to the Division of Occupational and Professional Licenses.
Keep reading
Browse our saunas collection, see all guides, or ask us a question about your project.