First of all, you need to know what entities are taxing you: county, school, and, maybe, a PUD or MUD. In larger cities you should be able to get this information online. Your county will typically tax you on the county appraised value of your home, a certain percent per $1000 home value. If, for example, your tax rate is .036 and your house is valued at $200,000, your annual county tax will be $7,200. Your other tax obligations will depend on whatever state or local standards they use. If you have a newly built home, you should pay very little in taxes the first year because the tax value has been placed only on the land until the house was built. The second year, you'll get a big tax surprise. A good Realtor should be able to help you with this.