Housing Prices Down 6 Percent. Your Property Tax Bill Probably Won't Follow

Median home sale prices have fallen while property tax assessments continue to climb, creating a gap between market value and assessed value. When assessed value stays the same or increases despite a market drop, homeowners effectively pay taxes on a “phantom” valuation. Counties typically perform mass appraisals on cycles using sales data that lags the market by 12 to 24 months, so falling prices are not reflected immediately. Reassessment mechanisms often ratchet upward faster than they ratchet downward, especially when reassessment caps limit reductions. Budget pressures tied to inflation can also raise millage rates, keeping tax bills from falling even when home values decline.

"Rarely, if ever, we see property appraisers actually take action when we get negative price action in home prices."

"If your home's market value drops $40,000 but your assessed value holds steady or rises, you are paying tax on a phantom valuation. On a typical 1.1% effective tax rate, that gap costs a homeowner several hundred dollars a year, every year, until somebody forces a correction. Nobody is coming to force that correction for you."

"Counties run mass appraisals on cycles, often every one to three years, using rolling sales data that lags the market by 12 to 24 months. When prices fall, assessors are still digesting the prior peak. When prices rise, they catch up quickly because reassessment ratchets are usually capped on the upside, not the downside."

"Layer inflation on top. The Consumer Price Index sits at around 332, up from roughly 321 a year ago. Local budgets, school funding formulas, and public-employee contracts are indexed to that rising cost base. Even if your home's market value dipped, the millage rate can rise to keep revenue flat or growing. The assessor doesn't cut your bill because the fire department's payroll didn't cut itself."

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