Skip to main content
CityRuleLookup
πŸ”§ Building Safety/Anti-Mansionization

Irvine vs Newport Beach

How do anti-mansionization rules compare between Irvine, CA and Newport Beach, CA?

Irvine and Newport Beach have similar restriction levels.

Irvine, CA

Orange County

Some Restrictions

Orange County zoning controls oversized homes on small lots through floor area ratio limits, height caps, and second-story setback rules in residential zones, particularly within unincorporated foothill and coastal communities.

View full Irvine rules β†’

Newport Beach, CA

Orange County

Some Restrictions

Orange County zoning controls oversized homes on small lots through floor area ratio limits, height caps, and second-story setback rules in residential zones, particularly within unincorporated foothill and coastal communities.

View full Newport Beach rules β†’

Key Facts Comparison

FactIrvineNewport Beach
Typical FAR capThirty-five to fifty percentThirty-five to fifty percent
AuthorityOC Planning Title 7OC Planning Title 7
Overlay zonesCoto, North TustinCoto, North Tustin
Variance findingsHardship requiredHardship required

Highlighted rows indicate differences between cities.

Irvine FAQ

How do I calculate my home's floor area ratio?

Divide total habitable square footage by your lot size. Garages and unconditioned space rules vary by zoneβ€”check the OC zoning code or call OC Planning before designing.

Can I get a variance to exceed FAR?

Yes, but you must show physical hardship unique to your lot, not just preference. Variances require public notice, planning commission hearing, and neighbor input.

Newport Beach FAQ

How do I calculate my home's floor area ratio?

Divide total habitable square footage by your lot size. Garages and unconditioned space rules vary by zoneβ€”check the OC zoning code or call OC Planning before designing.

Can I get a variance to exceed FAR?

Yes, but you must show physical hardship unique to your lot, not just preference. Variances require public notice, planning commission hearing, and neighbor input.

Want to add a third city?

Use our full comparison tool to compare up to three cities.

Open Comparison Tool