Short-term rental permit rules in Caldwell, ID — also called Airbnb permits, vacation rental licenses, or STR registration — list the application steps, fees, and operating requirements for hosting.
Caldwell has no short-term-rental-specific permit in its City Code, and Idaho law sharply limits what the city could require. Idaho Code 67-6539 bars cities from prohibiting STRs and classifies them as residential land use. Under HB 583 (effective July 1, 2026) cities may not require any STR license, fee, permit, certification, or registration.
The City of Caldwell does not appear to have a dedicated short-term rental or vacation rental permit program in its City Code (American Legal Publishing, current through Ordinance 3700, July 21, 2025). Instead, STRs are governed by Idaho's statewide framework. Idaho Code 67-6539 provides that neither a county nor a city may enact or enforce any ordinance that has the express or practical effect of prohibiting short-term rentals or vacation rentals, and that an STR must be classified as a residential land use for zoning purposes subject to all zoning requirements applicable to residences. The statute lets cities impose only reasonable regulations necessary to safeguard public health, safety, and general welfare and to protect the integrity of residential neighborhoods. House Bill 583, signed by Governor Brad Little on March 16, 2026 and effective July 1, 2026, further narrows local authority: it amends 67-6539 to prohibit cities and counties from requiring a license, fee, permit, certification, or registration to operate a short-term rental. Because Caldwell is a residential community (not an Idaho resort city), an STR operating in a residential zone is treated like any other dwelling. Operators should still confirm zoning for their parcel and comply with building and fire code, but no STR-specific city permit is on the books, and HB 583 removes the legal basis for one going forward.
There is no STR-permit violation in Caldwell because the city has no STR permit. Operating a dwelling lawfully in its zone requires no special city authorization. After July 1, 2026, Idaho Code 67-6539 (as amended by HB 583) bars the city from requiring any STR license, permit, fee, or registration, so an STR cannot be cited for failing to obtain one. General property, building, and nuisance rules still apply to the dwelling.
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