Occupancy Limits: Costa Mesa vs Irvine
How do occupancy limits rules compare between Costa Mesa, CA and Irvine, CA?
Costa Mesa and Irvine have similar restriction levels.
Costa Mesa, CA
Orange County
Costa Mesa regulates short-term rental occupancy under its STR ordinance. Maximum occupancy is based on the number of bedrooms with a hard cap to prevent overcrowding, parties, and neighborhood disturbances in residential areas.
View full Costa Mesa rules →Irvine, CA
Orange County
STRs are banned in all residential zones in Irvine. There are no occupancy limits because no STR operations are permitted. Standard building code occupancy limits apply to all residential units.
View full Irvine rules →Key Facts Comparison
| Fact | Costa Mesa | Irvine |
|---|---|---|
| Occupancy Formula | 2 per bedroom + 2 additional | - |
| Permit Required | Yes — occupancy stated on permit | - |
| Party Hosting | May trigger enforcement | - |
| Enforcement | Development Services (714) 754-5245 | - |
| After Hours | Costa Mesa PD (714) 754-5280 | - |
| STR Status | - | Banned |
| Occupancy Limits | - | N/A — no STR operations |
| Building Code | - | Standard residential limits apply |
| Fine | - | $1,500 per day for STR operation |
| Report | - | Code Enforcement (949) 724-6326 |
Highlighted rows indicate differences between cities.
Costa Mesa FAQ
How many guests can stay in a Costa Mesa short-term rental?
Occupancy is generally limited to two persons per bedroom plus two additional guests, with a maximum cap. The exact number must be stated on your STR permit.
Can I host a party at a short-term rental in Costa Mesa?
Gatherings exceeding the approved occupancy limit may violate your STR permit conditions and trigger nuisance complaints. The city actively enforces this.
What happens if I exceed occupancy at my Costa Mesa STR?
Violations may result in permit suspension or revocation, administrative fines, and potential nuisance abatement action.
Irvine FAQ
What are STR occupancy limits in Irvine?
There are none because STRs are banned in all residential zones. Standard building code occupancy limits apply to all residential properties.
How do I report an illegal Airbnb in Irvine?
Contact Code Enforcement at (949) 724-6326 or email codeenforcement@cityofirvine.org.
Compare other topics
See how Costa Mesa and Irvine compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool