AV-10 Application is for property classified and excluded from the tax base under North Carolina General Statute. 2022 Application for Property Tax Relief. Documents.Contact Information. File for a homestead or any other property tax exemption. Discuss the assessed value or exemption status of your property. Parcel Tax Senior Exemption Process. Hillsborough sales tax details. Hillsborough, North Carolina, is a small town with a big history. Need more precise 2025 rates for a street address? In just a few minutes, your transaction will be complete.