Residential / commercial scope
Both
Adding a second story is a structural addition that requires engineered plans through ePlanLA.
Category
Additions
Plans required?
Yes
Where to go
ePlanLA
Over-the-counter?
No - Drafted plans will be reviewed for code compliance and required clearances will be confirmed before the permit is issued.
Likely clearances
Zoning, Sewer, Drainage, Possibly others
Residential vs commercial
A second-story addition needs engineered plans in ePlanLA either way. A commercial vertical addition adds accessibility, fire, and occupant-load review beyond a residential one.
Search keywords
second story, second floor, vertical addition, stack, expand up
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