Home > Personal > Personal Lending > Mortgage > Mortgage Resources > Glossary > Tax Base Tax Base November 9, 2021 The total value of property, income, or other taxable assets subject to taxation.You Might Also Like: Everyday MoneyDiscover the Power of Bank Five Nine’s Digital Banking Tools Everyday MoneyBeware of QR Code Fraud: What You Need to Know Everyday MoneyWinter Budgeting Tips: Simple Strategies to Stay Financially Cozy This Season Everyday MoneyUnderstanding and Maximizing Credit Card Rewards for Smart Financial Benefits Everyday MoneyProtecting Seniors from Financial Scams