Key facts
| City | Can the owner do the wiring? | Conditions | How to apply |
|---|---|---|---|
| Austin | Yes, Homestead Permit | Homestead exemption; principal residence; not the main electric service; one residence per 12 months; not transferable | AB+C portal or homestead web form; pay in My Bills before work |
| San Antonio | No | Licensed trade contractor required for new electrical; owner trade permit only for plumbing on existing homestead | Contractor pulls permit; One Stop, 1901 S. Alamo St. |
| Denver | Yes, after an exam | Single family owner and resident; no trusts, LLCs, ADUs, duplexes, condos or townhomes; occupy 1 year after | Email quick permit application and photo ID to planreview@denvergov.org |
| Salt Lake City | Yes | Owner occupied primary residence; Owner Builder Certification; rentals need a licensed contractor | Citizen Access Portal; 801-535-6000 |
Sources: City of Austin, Homeowner's Permit; City of Austin, Work Exempt from Building Permits; City of San Antonio DSD, Residential Permits; Denver CPD, Applying for Permits as a Homeowner; Salt Lake City Building Services FAQ.
Austin: the Homestead Permit
Austin's homeowner page spells out when an unlicensed owner can do electrical, mechanical or plumbing work. You need a homestead exemption, the work must be at your homestead and principal residence, and it cannot include the main electric service. You may not have secured a homestead permit for another residence in the prior 12 months, the permit cannot be transferred, and the building official can suspend or revoke it if someone other than the permit holder does the work. If asked, you must provide proof of residence and ownership. You must obtain the permit and pay its fees before starting. Trade permits tied to a building permit are issued with it; a circuit on its own is requested as a stand alone homestead trade permit, then paid in My Bills on the AB+C portal, after which its status turns Active. It expires on the 181st day without a scheduled or passed inspection, and each passing inspection adds 180 days.
Austin's list of work exempt from building permits does not include new circuits; its residential electrical exemptions cover items like temporary decorative lighting, reinstalling receptacles, replacing a breaker of the same rating in the same place, and very low voltage work. So the spa circuit is permitted work, and a service upgrade, which a big 240 volt tub sometimes needs, goes to a licensed electrician.
San Antonio: licensed contractors only
San Antonio's residential permits page is just as specific in the other direction. A homeowner can do many types of non structural work, but must use licensed trade contractors for new electrical, plumbing or HVAC components. The single owner trade permit is plumbing, and only on an existing residence that is the owner's homestead and where the owner personally does the work. Electrical permits are requested by trade contractors licensed by the city or state and registered with the city. In practice, a 240 volt hot tub circuit or a sauna heater circuit in San Antonio means hiring an electrician, no matter how capable the owner is. What you can still do yourself is choose equipment that avoids new wiring: a 120 volt plug and play tub such as the MyHotTub Terra on an existing GFCI outlet is not new electrical work.
Denver: an exam first
Denver lets owners of single family homes apply for residential permits without a contractor, with conditions. You must be the legal owner and resident and show photo ID matching the Assessor's records; permits cannot go to trusts, LLCs or corporations, and the path does not cover ADUs, townhomes, condos or duplexes. Before electrical, plumbing or mechanical work you must pass a city exam, though a state license can substitute for the electrical exam. You must live in the home for at least a year after the work. A designated worker who is not paid can help, including with the exam. Homeowners cannot use e permits for quick permits; they email the electrical quick permit application and photo ID to planreview@denvergov.org and pay online when the city replies. A permanent spa also needs zoning and sewer use and drainage permits from the city's pools and spas process.
Salt Lake City: Owner Builder Certification
Salt Lake City Building Services says that if the structure is owner occupied and your primary residence, you may obtain the permits yourself, submitting an Owner Builder Certification as state law requires. If the property is a rental or commercial, a contractor must obtain the permits and do the work, because state law treats rental property as commercial. Electrical work always needs a permit there, even for a sauna small enough to skip the building permit under the city's 200 square foot exemption. Permits are filed through the Citizen Access Portal, and questions go to 801-535-6000 or slcpermits@slc.gov.
Worked example: the same sauna in four cities
Take an Almost Heaven Pinnacle barrel sauna, whose 6 kW heater needs a 240 volt, 30 amp hardwired circuit, installed at an owner occupied single family home with room in the panel. In Austin, an owner with a homestead exemption pays for a homestead trade permit, runs the circuit, and schedules the inspection within 180 days. In San Antonio, the same owner hires a licensed, city registered electrician, who pulls the permit. In Denver, the owner books and passes the homeowner electrical exam, then emails the quick permit application. In Salt Lake City, the owner files with an Owner Builder Certification through the Citizen Access Portal. If the house is a rental, or owned by an LLC, all four cities send the job to a licensed contractor.
Related guides
- Homeowner electrical permits for saunas and hot tubs by state
- Who can pull the electrical permit in Chicago, DC, Houston, Dallas and Phoenix
- Hot tub permit rules by city
- Sauna heater breaker and wire size
- Backyard sauna permits in Houston, Sacramento, Phoenix, Sparks and San Antonio
Frequently asked questions
Can I wire my own hot tub in Austin?
Yes, under a Homestead Permit, if you have a homestead exemption, the home is your principal residence, the work does not include the main electric service, and you have not used a homestead permit on another residence in the prior 12 months. You must pay for the permit before starting.
Can a homeowner pull an electrical permit in San Antonio?
No. San Antonio's Development Services says homeowners must use licensed trade contractors for new electrical, plumbing and HVAC components. The only owner trade permit is plumbing on an existing homestead that the owner personally does.
Do I have to take a test to wire my own sauna in Denver?
Yes. Denver requires homeowners to pass an exam before doing electrical, plumbing or mechanical work under their own permit, unless they hold a state license. You must also own and live in a single family home and stay at least a year after the work.
Can I pull my own electrical permit in Salt Lake City?
Yes, if the home is owner occupied and your primary residence. You submit an Owner Builder Certification. Rental property requires a licensed contractor.
Can a Denver homeowner apply for an electrical quick permit online?
No. Homeowners pulling permits in their own name email the quick permit application and a photo ID to planreview@denvergov.org; the city replies with payment instructions.
My house is owned by an LLC or trust. Does that matter?
In Denver, yes: permits cannot be issued to trusts, LLCs or corporations. Austin's homestead permit requires a homestead exemption and principal residence, and Salt Lake City requires owner occupancy, so rental or entity owned homes generally need a licensed contractor.
How long is an Austin homestead permit valid?
It expires on the 181st day if no inspection has been scheduled or passed. Each passing inspection extends it 180 days; a canceled or failed, no work performed result does not.
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