Occupancy Limits: Carlsbad vs San Diego
How do occupancy limits rules compare between Carlsbad, CA and San Diego, CA?
Carlsbad and San Diego have similar restriction levels.
Carlsbad, CA
San Diego County
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.
View full Carlsbad rules →San Diego, CA
San Diego County
San Diego's Short-Term Residential Occupancy (STRO) ordinance under SDMC Chapter 5, Article 10, Division 1 establishes occupancy limits tied to the license tier. A two-night minimum guest stay is required for Tier 2 (home-sharing), Tier 3 (whole-home), and Tier 4 (Mission Beach whole-home) licenses. Hosts must post exterior signage with TOT certificate number, STRO license number, and contact information. Good Neighbor policies apply to all tiers.
View full San Diego rules →Key Facts Comparison
| Fact | Carlsbad | San Diego |
|---|---|---|
| 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 | - |
| Code Section | - | SDMC Ch. 5, Art. 10, Div. 1 |
| Minimum Stay | - | 2-night minimum for Tiers 2, 3, and 4 |
| Tier 1 | - | Part-time; max 20 days/year aggregate |
| Tier 3 | - | Whole-home; host not onsite; 90-day min utilization |
| Signage | - | Exterior posting of TOT and STRO license numbers required |
Highlighted rows indicate differences between cities.
Carlsbad FAQ
How many guests can stay in a Carlsbad short-term rental?
Up to 2 adults per legal bedroom plus 2 additional persons, with a hard cap of 12 total occupants regardless of home size. A 3-bedroom home can host a maximum of 8 adults under this rule.
Can I run an Airbnb east of I-5 in Carlsbad?
Only as a hosted primary-residence rental. Non-owner-occupied STRs are restricted to the Coastal Zone (west of I-5). Investor-owned STRs in inland neighborhoods are prohibited under CMC Chapter 5.60.
What's the total tax I have to collect from guests?
12% — consisting of 10% Transient Occupancy Tax plus a 2% Carlsbad Tourism Business Improvement District (CTBID) assessment. Taxes must be remitted monthly to the City.
San Diego FAQ
Is there a maximum guest count per STR unit?
Occupancy must comply with the building's permitted occupancy load. Good Neighbor requirements prohibit exceeding safe occupancy and require quiet hours compliance.
Can I rent my ADU as a short-term rental?
ADUs may be eligible for STRO licensing depending on the tier. Check with the City Treasurer's office for current eligibility requirements.
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