Berkeley Night Caps Rules (2026): What You Need to Know
Heavy RestrictionsKey Facts
- Effective night cap
- Approximately 90 nights per year, constrained by the 275-day primary residence requirement
- Hosted-only requirement
- Operator must be present during all guest stays, further limiting rental volume
- No explicit quota
- Berkeley does not impose a numbered annual night cap; limits are structural
- No seasonal exemptions
- No special-event or peak-season increases in allowed rental nights
- Monitoring
- City monitors booking platforms for listings inconsistent with hosted-only and primary residence rules
- Year-round consistency
- Same restrictions apply every day of the year with no off-season relaxation
The Short Version
Berkeley limits short-term rental activity through its hosted-only requirement and primary residence mandate, which together function as an effective cap on the number of nights a property can be rented. Because the operator must reside on the property for at least 275 days per calendar year and must be present during all guest stays, the maximum number of rental nights is effectively capped at 90 days per year. Berkeley does not operate a separate annual night-cap program, but the structural requirements of the hosted-only ordinance inherently constrain rental volume and prevent properties from being converted to full-time vacation rentals.
Full Breakdown
Berkeley's approach to limiting short-term rental volume differs from cities that impose explicit annual night caps (such as San Francisco's 90-day limit for un-hosted rentals). Instead, Berkeley's hosted-only requirement and primary residence mandate create a structural constraint that achieves a similar result. The operator must live on the property for at least 275 days per calendar year, leaving a maximum of 90 days during which the operator could theoretically be hosting guests while also being away for personal travel or other reasons. In practice, because the operator must be physically present during the guest's stay, the actual number of rental nights available in a given year is determined by how many nights the operator is both home and willing to host.
This structural approach means that Berkeley does not need a separate night-cap tracking or enforcement system. There is no annual quota that operators must monitor, and the city does not require self-certification of rental night counts. However, the Finance Department and Code Enforcement Division may investigate operators who appear to be renting their property full-time or who are suspected of violating the primary residence or hosted-only requirements.
The absence of an explicit night cap also means there is no distinction between peak-season and off-season rental periods, and no special-event exemptions that temporarily increase the allowed rental volume. Berkeley's consistent year-round framework reflects the city's view that short-term rentals should be an accessory use of a primary residence — supplemental income for homeowners who occasionally rent a spare room — rather than a commercial hospitality operation.
Operators who are found to be renting more frequently than is consistent with genuine hosted occupancy, or who cannot demonstrate primary residence status, face permit revocation and significant financial penalties. The city's monitoring of booking platform listings helps identify properties that appear to be available for rental year-round in a manner inconsistent with the hosted-only model.
What Happens If You Violate This?
Exceeding the effective rental capacity implied by the primary residence requirement — for instance, by renting while not actually residing on the property — constitutes a violation of the hosted-only rule and is subject to fines of $1,000 per day per violation. Failure to maintain primary residence status results in permit revocation. Operators who provide false information regarding residency or hosting presence face permanent loss of STR eligibility and potential misdemeanor charges.
Frequently Asked Questions
How many nights per year can I rent my Berkeley home as a short-term rental?
Is there a way to get more rental nights in Berkeley?
How does Berkeley enforce the night cap without an explicit quota?
Sources & Official References
How does Berkeley compare?
See how Berkeley's night caps rules stack up against other locations.