Taxes in Ecuador

DTA with U.S.: No
Income Tax: Charged at progressive rates from 5% (on annual incomes of $6,800 and higher) to 25% (on incomes of $54,400 and up).
Sales Tax: Standard VAT is 12% on most goods and services.  Real estate transfer is exempt.
Transfer Tax: 1% of the assessed commercial or municipal value of the property.
Capital Gains: Gains on the sale of property are subject to CGT (25% maximum) on the net gain in municipal value.  If you sold a $170,000 house (municipal value of $4,250), for $270,000 (municipal value of $6,250), you only pay tax on the difference in the municipal value ($2,000).
Rental Income Tax: Subject to regular income tax rates from 0% to 25%.
Property Tax: Amount depends on the province and cantonin which the property is located.  A $170,000 in Cuenca currently pays $110 in annual property tax.  A $34,000 rural property pays $7.50 per annum.