Collin County voters will decide in November whether to authorize an $817.5 million bond package for roads, the county jail, courthouse and other projects, as rapid population growth across Plano, Frisco, McKinney and nearby suburbs increases infrastructure demand.

$817.5 million bond package goes to voters

Collin County voters will decide in November whether to authorize an $817.5 million bond package for roads, the county jail, courthouse and other projects. County officials say the borrowing is intended to help infrastructure and public facilities keep pace with continued population growth in one of Texas’ fastest-growing suburban counties.

Population growth drives infrastructure demand

Collin County has about 1.3 million residents and includes major Dallas-area suburbs such as Plano, Frisco and McKinney. The county ranked second nationally among counties adding the most residents in a year, gaining nearly 43,000 people between July 2024 and July 2025, according to U.S. Census figures.

That growth has increased demand on roads, county facilities and public services. Approval of the bond measure would authorize the county to borrow for the identified projects, but it would not require all of the debt to be issued at once.

Property tax impact depends on revenue growth

County officials estimate the debt service rate could rise from 4.18 cents per $100 of assessed value to as much as 4.95 cents per $100 over six years. The projection assumes county revenue increases by 3% annually during that period.

County Administrator Yoon Kim said the bond package would not necessarily result in a property tax increase. If revenue rises faster than the 3% assumption, officials could adjust the amount of debt sold each year in an effort to keep the debt service rate steady.

County could spread borrowing over more years

Kim also said the county could issue the bonds over a longer period to reduce pressure on the tax rate. That approach could delay some projects, but it would give officials more flexibility over the timing and amount of borrowing.

The November vote will determine whether Collin County receives authority to move forward with the proposed bond program. If approved, decisions on when bonds are sold and how quickly projects proceed would remain important factors in the program’s eventual tax and infrastructure impact.