Idaho Falls sits on the main road between Salt Lake City and both Yellowstone and Grand Teton national parks, which puts a lot of summer travelers through town for a night or two. Add a steady stream of engineers and contractors visiting Idaho National Laboratory, and the city supports more short-term rentals than its size suggests.
In short: LendingStreet finances Idaho Falls-area short-term rentals with DSCR loans that can qualify on projected rental revenue on some programs instead of a 12-month lease. Loans start at $150,000 with no stated maximum, purchases go up to 80% LTV, the standard minimum DSCR is 1.0x and the minimum credit score is 620. Idaho law limits how far cities and counties can ban short-term rentals, but local registration, safety and HOA rules still apply, so check them for the exact property.
Idaho passed a law in 2017 that prevents cities and counties from prohibiting short-term rentals outright, while still letting them regulate for health, safety and general welfare. In practice that means Idaho Falls, Ammon and Bonneville County can require things like registration, occupancy limits, parking and safety standards, but generally cannot ban nightly rentals in a zone.
Private rules are another matter. Homeowners associations and recorded covenants in newer subdivisions, common in Ammon and on the east side, can still limit or prohibit stays under 30 days. Read the covenants for the specific lot before you buy, and check with the city or county for any current registration or permit requirements.
Idaho applies state sales tax and a separate travel and convention tax to lodging stays under 30 days. Some resort towns in the region also levy local option taxes. Many booking platforms collect state taxes on your behalf, but confirm which taxes are remitted and whether you need your own seller's permit. Keep tax filings and any local registration with your loan file.
Summer is driven by national park traffic. Visitors heading to Yellowstone's west entrance and to Jackson and Grand Teton often stop in Idaho Falls to save on lodging, especially families and groups who want a full house. The Snake River Greenbelt, the falls downtown and the Idaho Falls Temple draw their own visitors.
Business travel fills weekdays year-round. Idaho National Laboratory, headquartered in Idaho Falls with its desert site to the west, brings researchers, contractors and project teams, many staying weeks at a time. Hospital stays, youth sports tournaments and family events add more.
Idaho Falls is a summer market for leisure stays, with June through September carrying most of the national park traffic. Fall hunting season and spring events help a little. Winter is cold and snowy, Yellowstone's interior roads close to cars, and leisure demand drops sharply.
INL-related stays and medium-term guests are what keep many hosts going from November to April. A credible projection shows a strong summer and a thinner winter, not twelve identical months. Budget for snow removal, higher heating bills and protecting pipes.
This example is illustrative and not a quote. An investor buys a four-bedroom home on the east side of Idaho Falls for $420,000, furnished for groups headed to the parks. A third-party projection estimates $46,000 a year, about $3,833 a month on average, with summer months far above winter.
At 75% LTV the loan is $315,000. Estimated principal and interest is about $2,192. Taxes are budgeted at $315 a month with no homeowner's exemption and short-term rental insurance at $190, for a total of about $2,697.
On the full projection, DSCR is about 1.42x. If revenue came in 20% lower, about $3,067 a month, DSCR would be about 1.14x, still above the 1.0x standard minimum.
| Item | Full projection | Projection less 20% |
|---|---|---|
| Average monthly revenue used | $3,833 | $3,067 |
| Estimated principal and interest | $2,192 | $2,192 |
| Taxes and insurance | $505 | $505 |
| Total monthly payment | $2,697 | $2,697 |
| DSCR | About 1.42x | About 1.14x |
Idaho's homeowner's exemption reduces taxable value on a primary residence, but it does not apply to a rental. If you buy from an owner-occupant, the seller's tax bill reflects that exemption and yours will not. Check the Bonneville County assessor's record and budget on the full taxable value. Idaho does not have a real estate transfer tax, which keeps closing costs modest.
If you want a true vacation market, eastern Idaho has several within reach of Idaho Falls. Island Park, in Fremont County near Yellowstone's west side, is a long-established cabin and STR area. Teton Valley, around Driggs and Victor, draws visitors to Grand Targhee and Grand Teton. Swan Valley and Palisades Reservoir attract anglers and boaters, and Kelly Canyon near Ririe offers local skiing.
These areas command higher nightly rates but come with their own county rules, more seasonal swings, rural access and septic or well questions. Our Idaho short-term rental page covers the state's main STR markets.
| Market | Draw | Main season |
|---|---|---|
| Idaho Falls and Ammon | Park stopovers, INL business travel | Summer, weekdays year-round |
| Island Park | Yellowstone, lakes, snowmobiling | Summer and winter |
| Driggs and Victor | Grand Targhee, Grand Teton | Winter and summer |
| Swan Valley and Palisades | Fishing, boating | Late spring through fall |
Idaho does not require sale prices to be made public, so appraisers rely on multiple listing data and their own research for comparables. For a short-term rental, comparable rentals matter too. Bring any booking data you have on similar homes, and if a third-party projection seems low for your property, see our guide to low AirDNA projections. Existing hosts can refinance on their own booking history on some programs.
Send the address, purchase price, revenue projection or booking history and any HOA covenants. The financing team will check the ratio on the full projection and on a lower case, and come back with options, including sub-1.0 DSCR programs where they fit. Use the form below or call (877) 298-1001.
Idaho law generally prevents cities and counties from prohibiting short-term rentals, though they can regulate health, safety and similar issues. HOAs can still restrict them.
State sales tax and a travel and convention tax generally apply to stays under 30 days, and some resort towns add local taxes.
Leisure travel slows in winter, but INL-related business travel and medium-term stays continue year-round.
The homeowner's exemption only applies to a primary residence, so a rental is taxed on its full value.
Yes, if it can legally operate as an STR and qualifies on projected revenue. Rural access and septic issues can affect the review.
On some programs, yes. DSCR can be calculated on a third-party revenue projection.
No. Idaho does not charge a real estate transfer tax.
No. Our investor loans are business-purpose loans on non-owner-occupied property.
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