Louisville, CO Property Taxes in 2026: $4,917 a Year on an $809K Home

A Louisville home at the $808,615 median sale price owes about $4,917 in property taxes for 2025, paid in 2026, in the base tax area, roughly 0.61% of value. Here is the mill levy math from Boulder County's own list, why a metro district can add more than $2,200 a year, the $1 million numbers, what changes for 2026, and how taxes split at closing.