HOA is Home Owner Association Fee that is paid monthly to a condo association. In that fee, it normally covers water, sewer, trash, ground maintenance, garbage removal, snow removal, exterior insurance, management. Don't forget this als covers exterior of a condo as well through insurance for the exterior of a unit. Taxes is property taxes, which no matter what type of property you buy, you will ay property taxes. If you were to buy a single family home for example, you would pay property tax and homeowners insurance. When you are ready to purchase a condo, you will get condo docs from the seller within 10-15 days to review all financial information about the complex along with bi-laws, and if any - special assessments if the comples is going through upgrades for the exterior. A Realtor will walk you through all these steps .