How was the square footage of the structures on my property determined?

How was the square footage of the structures on my property determined?

How was the square footage of the structures on my property determined?

How was the square footage of the structures on my property determined? 150 150 Trauma, Emergency And Bioterrorism Response Assessment

It was obtained from the property records of the County Assessor’s Office. The Assessor calculates the square footage based on the exterior dimensions, rounded to the nearest square foot. The square footage used for the current tax year is available by looking up your property on the Los Angeles County Assessor’s website.