Mountain View, CA Short-Term Rentals: Extended Home Share (2026)
Key Facts
- Hosted annual limit
- Unlimited days, Sec. 44.4.b.1
- ADU treatment
- Hosted if owner/tenant present
- Registration
- Required before advertising, Sec. 44.5
- Local contact
- 24/7, 60-minute on-site response
- TOT owed
- Since January 1, 2019, Sec. 44.11
Summary
Mountain View lets a resident host rent part of their home for an unlimited number of days per year, so long as the host stays on site throughout each stay, under City Code Sec. 44.4.b.1. Accessory dwelling units count as hosted whenever the owner or tenant remains on the property.
b.Annual limit.1.Where the host is present, the dwelling unit may be occupied as a short-term rental for an unlimited number of days per calendar year....3.All accessory dwelling units shall be considered hosted if the owner or tenant is present on the property.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 34 Update 4).
Full Breakdown
Chapter 44 divides short-term rentals into hosted and unhosted stays and treats them very differently for annual duration. 1 removes any day cap for hosted short-term rentals: where the host is present, the dwelling unit may be occupied as a short-term rental for an unlimited number of days per calendar year. 3 extends that same unlimited allowance to accessory dwelling units, providing that all ADUs are considered hosted if the owner or tenant is present on the property, even though the host and short-term renter occupy separate structures on the lot.
This unlimited hosted allowance still comes with operating conditions that apply to every short-term rental regardless of duration: the dwelling must be a legal conforming or legal nonconforming unit (Sec. a), the host must register with the city and hold a valid business license before advertising (Sec. a), and transient occupancy tax is owed on every stay under Chapter 33 (Sec. 11). A host operating under the unlimited hosted allowance must also designate a local contact person available 24 hours a day, seven days a week, who must respond on-site within 60 minutes to any complaint about the rental (Sec. c).
Violations & Fines
Operating a hosted short-term rental without registration or a business license, or misclassifying an unhosted rental as hosted to avoid the 60-day cap, violates Chapter 44 under Sec. 44.3 and can result in denial or revocation of the registration for fraud or misrepresentation under Sec. 44.12.a. A property with an active citation or a revoked registration in the prior 12 months will have any new registration denied under Sec. 44.6.
Frequently Asked Questions
Can I rent my Mountain View home short-term every night of the year?
Does an ADU get the unlimited hosted allowance?
Do I still need to register for an unlimited hosted rental?
Sources & Official References
Other rules in Mountain View
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Extended Home Share in Nearby Cities
How other cities in Santa Clara County handle extended home share.