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Ada County, ID Short-Term Rentals: Taxes & Fees (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Idaho sales tax
6%
Travel & convention tax
2%
GBAD auditorium tax
5% (Boise metro)
Taxable stay length
30 days or less
Administered by
Idaho State Tax Commission

Summary

Ada County STRs (stays of 30 days or less) owe Idaho's 6% state sales tax plus the 2% state travel-and-convention tax. Properties inside the Greater Boise Auditorium District also owe a 5% GBAD lodging tax, roughly 13% total.

These county ordinances apply to unincorporated areas of Ada County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

occupants of hotel and motel rooms for stays of 30 days or less. It also applies to vacation-home rentals and overnight stays at private campgrounds.

Full Breakdown

Idaho imposes the travel and convention tax on 'occupants of hotel and motel rooms for stays of 30 days or less. It also applies to vacation-home rentals and overnight stays at private campgrounds.' The rate is 2%, on top of the 6% Idaho sales tax. STRs within the Greater Boise Auditorium District (much of the Boise metro in Ada County) owe an additional 5% GBAD auditorium-district tax. All are stay-length-based (30 days or less); lodgers who stay more than 30 continuous days are exempt. Airbnb and Vrbo collect some of these automatically; operators register and remit through the Idaho State Tax Commission.

Violations & Fines

Unremitted lodging taxes accrue penalties and interest assessed by the Idaho State Tax Commission and the auditorium district; sustained non-payment can trigger audit and collection action.

Frequently Asked Questions

What total tax do Boise-area STR guests pay?
Roughly 13%: 6% state sales tax, 2% travel-and-convention tax, and 5% Greater Boise Auditorium District tax for properties within its boundaries.
Are long stays taxed?
No. The travel-and-convention tax does not apply to lodgers who stay more than 30 days continuously in the same room or space.

Sources & Official References

Other rules in Ada County

All Ada County rules

How Ada County compares: Cities with the Highest Short-Term Rental Taxes·Compare Ada County to another location·View the Idaho short-term rentals overview

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