Property Tax Protest Tips You will notice the property tax increase starting October 1, 2026, when the city’s new fiscal year officially begins.Payment TimelineOctober 1, 2026: The new 3.9% higher tax rate takes effect.Fall 2026: Bexar County Appraisal District and tax assessor mail updated bills.January 31, 2027: Final deadline to pay your annual property taxes.Expected ImpactRoughly $35 more for average homesteads, but more for non-homestead properties. Read more about remote requirements, [click here ] View the “unsworn declaration” [ click here ]