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Josephine County, OR Accessory Structures: ADU Rental Restrictions (2026)

Significant Restrictions

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

Key Facts

Restriction: No vacation occupancy under ORS 90.100
Applies to: ADUs approved under § 19.61.020(B)
Zone: Rural Residential (RR-1, RR-2.5, RR-5)
ADUs per lot: 1
Enforcement: Rural Land Development Code violations, Ch. 19.19 JCC

Summary

In Rural Residential zones outside the Grants Pass and Cave Junction urban growth boundaries, § 19.61.020(B)(8) of the Rural Land Development Code bars any accessory dwelling unit from vacation occupancy under ORS 90.100, meaning an ADU approved under the county's two-acre, 900-square-foot standard cannot be operated as a short-term vacation rental.

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

B. Accessory dwelling unit (ADU) as defined in JCC § 19.11.030, subject to the following standards: ... ... 8. The ADU may not be used for vacation occupancy as defined in ORS 90.100.

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Full Breakdown

5, RR-5). 100 defines that term, with no exception carved out for occasional or seasonal rentals. 76 JCC wildfire and emergency safety standards, and a one-ADU-per-lot limit enforced through both the permit and the county's refusal to approve a partition separating the ADU from the main house. 020(D) carries its own size and rebuild conditions and does not repeat this vacation-occupancy language in the text reviewed. 41 JCC, the vacation-occupancy condition becomes a standing condition of that permit for as long as the ADU exists.

Violations & Fines

Renting an ADU approved under § 19.61.020(B) as a vacation rental violates the express condition in subsection (B)(8) and puts the development permit issued under Chapter 19.41 JCC out of compliance. Josephine County can pursue enforcement under the Rural Land Development Code's violation provisions (Chapter 19.19 JCC), and continued unauthorized short-term rental use exposes the owner to the same consequences as any other permit violation.

Frequently Asked Questions

Can I rent my Josephine County ADU on Airbnb or VRBO?

No. § 19.61.020(B)(8) bars any accessory dwelling unit built under the Rural Residential zone standard from vacation occupancy as ORS 90.100 defines it, so short-term platforms like Airbnb or VRBO are off-limits for an ADU approved under this section.

What is "vacation occupancy" under this rule?

The county's ADU standard incorporates the ORS 90.100 definition by reference rather than writing its own; the county code simply prohibits any ADU approved under § 19.61.020(B) from being used for that purpose, without an exception for occasional or seasonal rentals.

Does the rental ban apply to a historic-home-conversion ADU too?

§ 19.61.020(D), which governs converting a historic home into an ADU, is a separate subsection with its own size and rebuild limits; the vacation-occupancy ban quoted and cited here is specific to subsection (B) ADUs, so confirm which subsection your permit was issued under.

Sources & Official References

[1]Josephine County Code § 19.61.020(B)(8)

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All Josephine County rules

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