Carlsbad, CA Short-Term Rentals: Occupancy Limits (2026)
Key Facts
- Occupancy Formula
- 2 adults per BR + 2, max 12
- Permit Required
- Yes (annual, CMC 5.60)
- East of I-5
- Primary residence only
- TOT + CTBID
- 12% total
- Quiet Hours
- 10 PM – 7 AM
- Local Contact
- 60-minute response
Summary
Carlsbad STRs are capped at 2 adults per bedroom plus 2 additional (e.g., 8 in a 3BR), subject to a hard ceiling of 12 total occupants. STRs require a permit, are banned inland of I-5 except for primary residences, and collect 12% TOT.
17920.3. Any building or portion thereof, regardless of zoning designation or approved uses of the building, including any dwelling unit, guestroom or suite of rooms, or the premises on which the same is located, in which there exists any of the following listed conditions to an extent that endangers the life, limb, health, property, safety, or welfare of the occupants of the building, nearby residents, or the public shall be deemed and hereby is declared to be a substandard building: (a) Inadequate sanitation shall include, but not be limited to, the following: (1) Lack of, or improper water closet, lavatory, or bathtub or shower in a dwelling unit. (2) Lack of, or improper water closets, lavatories, and bathtubs or showers per number of guests in a hotel.
Full Breakdown
Carlsbad Municipal Code Chapter 5.60 regulates short-term vacation rentals (STVRs). Permits are required for any rental under 30 days. In the Coastal Zone (west of I-5), non-primary-residence STVRs are allowed but capped citywide and require an annual STVR permit. East of I-5, STVRs are restricted to primary residences (hosted) only. Occupancy is limited to two adults per legal bedroom plus two additional persons, with a hard maximum of 12 occupants regardless of bedroom count. A local emergency contact must respond within 60 minutes. Transient Occupancy Tax (TOT) of 10% plus a 2% Carlsbad Tourism Business Improvement District assessment (total 12%) must be collected and remitted monthly. Quiet hours are 10 PM to 7 AM and outdoor amplified sound is prohibited after 10 PM.
Violations & Fines
Operating without a permit: $1,000 first violation, $2,000 second, $5,000 third per CMC §5.60 (elevated administrative fines under Gov Code §53069.4). Occupancy overage: $500-$1,500 per incident. TOT evasion: back taxes plus 10% penalty and 1%/month interest.
Frequently Asked Questions
How many guests can stay in a Carlsbad short-term rental?
Can I run an Airbnb east of I-5 in Carlsbad?
What's the total tax I have to collect from guests?
Sources & Official References
Other rules in Carlsbad
California rules heatmap·Compare Carlsbad to another location·View the California short-term rentals overview
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Occupancy Limits in Nearby Cities
How other cities in San Diego County handle occupancy limits.