If you own a property in NSW, you may be uncertain about how land tax affects you or whether it applies to your circumstance. Many property owners find the rules on thresholds, exemptions and how it’s calculated complex. This overview explains what NSW land tax is, when it applies, and how it may affect your property investments. What is land tax? Land tax in NSW is imposed on landowners, based on the value of all taxable land above a certain threshold. Land tax is levied on