Collin County voters will decide in November whether to authorize $817.5 million in borrowing for roads, the jail, the courthouse, and other projects that officials say are needed to keep pace with rapid growth. The package could increase the county’s property tax rate, but officials said that may not happen.
The county, now home to about 1.3 million people and booming Dallas suburbs such as Plano, Frisco and McKinney, ranked second in the nation for counties that added the most residents in a year. It added nearly 43,000 new residents between July 2024 and July 2025, according to U.S. Census numbers.
County officials said Monday that the $817.5 million bond could raise the debt service rate from 4.18 cents per $100 of assessed value up to 4.95 cents per $100 of assessed value over six years, based on the assumption that the county’s revenue grows by 3% each year.
County administrator Yoon Kim said the bond may not necessarily involve a tax increase. Kim said the county may choose to sell a different amount of bonds each year if revenue outpaces 3% to keep the debt service rate steady. He said the county may even sell bonds over a longer period of time, which could delay projects, to avoid tax hikes.
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