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Casper, WY Short-Term Rentals: Primary-Residence-Only Rule (2026)

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

Key Facts

Governing section
Casper Municipal Code § 17.08.010
Occupancy rule
Must be a private, owner-occupied residence
Guest room cap
Two guest rooms maximum
Stay length cap
Seven consecutive days
Related conditional use
R-1/R-2 bed and breakfast permit, §§ 17.28.030(A), 17.32.030(A)

Summary

Casper Municipal Code § 17.08.010 defines a "bed and breakfast homestay" as a private, owner-occupied residence renting no more than two guest rooms, kept subordinate and incidental to the main residential use of the dwelling, with stays capped at seven consecutive days. The owner-occupied requirement effectively bars a homestay from operating as a standalone rental with no resident owner.

"Bed and breakfast homestay" means a private, owner-occupied residence with a maximum of two guest rooms, and which is subordinate and incidental to the main residential use of the dwelling; and where the length of the stay is limited to seven consecutive days.

Full Breakdown

Casper's code separates three tiers of overnight lodging in a home. A plain "bed and breakfast" at § 17.08.010 is lodging with breakfast for stays of no more than seven consecutive days, without an explicit owner-occupancy requirement. A "bed and breakfast homestay" tightens that: it must be a private, owner-occupied residence, capped at two guest rooms, and the lodging use must stay subordinate and incidental to the dwelling's main residential use, again with a seven-day stay cap. A "bed and breakfast inn," by contrast, is expressly allowed to operate even when the owner does not live on the premises.

That three-way split means the homestay category is the one built around owner presence: once the operator stops living there or the guest-room count exceeds two, the operation no longer fits the homestay definition and falls instead under the general bed and breakfast or inn categories, which carry their own zoning status. Bed and breakfast uses generally are conditional uses requiring a Planning and Zoning Commission hearing in the R-1 district (§ 17.28.030(A)) and the R-2 district (§ 17.32.030(A)), and a permitted use in the AG district (§ 17.24.020(3)).

Violations & Fines

Operating a homestay without the owner residing on site, or with more than two guest rooms, takes the use outside the § 17.08.010 homestay definition; the community development department can then require the operator to seek approval as a full bed and breakfast or inn, which needs a conditional use permit in the R-1 and R-2 districts. Operating without that permit is prosecuted as a misdemeanor under § 1.28.010, with § 1.28.020 counting each day as a separate offense.

Frequently Asked Questions

Does Casper require a short-term rental host to live on site?
For the "bed and breakfast homestay" category specifically, yes. Section 17.08.010 defines it as a private, owner-occupied residence, so an absentee-owner rental does not qualify as a homestay and instead falls under the separate bed and breakfast or bed and breakfast inn categories.
How many rooms can a Casper bed and breakfast homestay rent?
No more than two guest rooms. Section 17.08.010 caps the homestay category at two guest rooms and requires the lodging use to remain subordinate and incidental to the dwelling's main residential use.
What is the maximum stay at a Casper homestay?
Seven consecutive days. The § 17.08.010 definition limits the length of stay at a bed and breakfast homestay to seven consecutive days, matching the cap used for the general bed and breakfast category.

Sources & Official References

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