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San Bernardino County, CA Short-Term Rentals: Short-Term Rental Permits (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Short-term rental permit rules in San Bernardino County, CA, also called Airbnb permits, vacation rental licenses, or STR registration, list the application steps, fees, and operating requirements for hosting.

Key Facts

Governing section
County Code § 84.28.040
Permits per parcel <2 acres
1 maximum
Permits per parcel >=2 acres
2 maximum
Permits per STR owner
2 maximum countywide
Transferable on sale
No, new owner must reapply

Summary

Unincorporated San Bernardino County requires a current STR permit before any dwelling can be rented short-term, capped at one or two per parcel.

City-specific rules exist: Rialto, Rancho Cucamonga, and Ontario have their own short-term rental permits rules that differ from San Bernardino County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

A property owner may use a dwelling unit as a STR only if said owner has a current valid STR permit and complies with the requirements of this Chapter and other applicable provisions of the County Code. A separate permit shall be required for each dwelling unit used as a STR when there is more than one legal dwelling unit on the parcel. A maximum of two STR permits may be issued for a parcel 2 acres or greater. A maximum of one STR permit may be issued for a parcel less than 2 acres.

Source: SB County STR PortalView official code

Full Breakdown

County Code § 84.28.040 bars using a dwelling as a short-term rental without a valid STR permit issued for that specific unit. Parcels under 2 acres get one permit max; parcels 2 acres or larger get up to two. No owner may hold more than two active permits countywide, apartments in multi-family projects can't qualify, and permits are non-transferable on sale. This applies only to the unincorporated county, not the 24 cities inside it, each of which sets its own STR rules.

Violations & Fines

Renting without a valid STR permit, exceeding the per-parcel or per-owner permit cap, or transferring a permit to a new owner violates § 84.28.040.

Frequently Asked Questions

Can I rent my unincorporated San Bernardino County home short-term without a permit?
No. § 84.28.040 requires a current valid STR permit for the specific dwelling before it can be used as a short-term rental.
How many STR permits can one property get?
One per parcel under 2 acres, two per parcel of 2 acres or more, and no owner may hold more than two permits total.

Sources & Official References

Other rules in San Bernardino County

All San Bernardino County rules

How San Bernardino County compares: Most Airbnb-Friendly Cities in America·California rules heatmap·Compare San Bernardino County to another location·View the California short-term rentals overview

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Short-Term Rental Permits in Cities Across San Bernardino County