How Assessed Value Differs from Insurable Value

Assessed value is calculated by a government tax office using formulas and comparable sales data aimed at fairly distributing property tax burden, and it's frequently a percentage of market value rather than market value itself. It has nothing to do with current construction costs, labor rates, or the price of materials needed to actually rebuild a structure after a covered loss.

Why Insuring to Assessed Value Is a Common Mistake

A commercial building with a tax-assessed value of $400,000 might genuinely cost $900,000 to rebuild today once current labor, permitting, and material costs are factored in. A business owner who insures the property for $400,000 because that's the number on the tax bill would be significantly underinsured, and could also trigger a coinsurance penalty that reduces the payout even further.

Why This Matters

The right number for setting a property insurance limit is replacement cost, an independent estimate of what it would actually cost to rebuild, not the tax assessor's figure. Using assessed value as a shortcut is one of the most common and most costly property insurance mistakes a business can make.