AG opinion undercuts Nassau County’s impact, mobility fee increases

The Florida Attorney General has issued a formal legal opinion concluding that Nassau County did not meet the legal standard required to exceed the state cap on impact fee increases, undercutting the county’s recent decision to sharply raise development-related fees by declaring an emergency based on population growth.

In a written opinion dated Wednesday, Attorney General James Uthmeier determined that Nassau County’s 17% population increase over the past five years does not qualify as “extraordinary circumstances” under Florida law — a finding that directly challenges the county’s rationale for approving impact and mobility fee increases beyond the statutory 50% limit.

Nassau County commissioners voted late last year to raise multiple impact fees, including transportation and mobility fees, citing rapid growth and infrastructure strain. County officials argued that extraordinary circumstances allowed them to exceed the statutory cap, triggering the need for state review after a request from Rep. Richard Gentry.

The attorney general’s opinion flatly rejects that argument. In response for an opinion from State Rep. Richard Gentry of DeBary filed last month, the AG said “in short, my answer to your question is no,” Uthmeier wrote, stating that a steady population increase — even one approaching 17% over five years — does not meet the statutory definition of extraordinary circumstances. The opinion notes that Florida has experienced widespread population growth in recent years and that many counties with equal or greater growth have remained within the statutory limits.

According to state statutes, impact fees may not be increased more often than once every four years, regardless of the amount. This provision is intended to provide predictability for development and housing markets.

The opinion further explains that Florida law already anticipates population growth and allows local governments to increase impact fees by up to 50% every four years without special justification. Allowing growth alone to qualify as extraordinary, Uthmeier wrote, would effectively nullify the statutory cap.

“Such a conclusion would swallow the statutory rule,” the opinion states, adding that the Legislature intended the exception to apply only in rare and unusual situations — not routine growth pressures.

The attorney general also issued a cautionary note, stating that an almost 100% increase in fees without proper justification “appears to be a tax disguised as an impact fee,” language that could carry legal significance if the increases are challenged in court.

While the attorney general’s opinion is advisory and does not automatically invalidate Nassau County’s fee increases, it carries substantial legal weight and may influence future litigation or legislative oversight. Impact fees must demonstrate a clear and proportionate connection between new development and the need for additional infrastructure, a standard the opinion suggests may not have been met.

The county has not yet publicly responded to the opinion, nor indicated whether it plans to revisit or revise the fee increases in light of the ruling.

Nassau County’s impact and mobility fee hikes were approved amid concerns from builders and developers that higher costs would be passed on to homebuyers, contributing to rising housing prices in one of Florida’s fastest-growing counties.
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