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Property Taxes for Homeowners: How They Work & How to Estimate
How property taxes are calculated, assessed value vs market value, and how to budget for annual tax bills.
July 9, 20267 min readBy MyWealthForge
Key Takeaways
- 1Property tax = assessed value × local mill rate.
- 2Average US rate: 0.5–2.5% of home value annually.
- 3Taxes vary wildly by state — TX and NJ are high; HI and AL are lower.
- 4Appeal assessments if your home value dropped.
Property taxes are a major ongoing cost of homeownership — often $3,000–$10,000/year — and they rise over time.
Include taxes in your mortgage payment estimate.
How Taxes Are Calculated
County assessor sets value. Local government sets rate. Exemptions (homestead) may reduce bill.
New buyers: do not rely on seller's tax bill — reassessment may spike costs.
Budget for Tax Increases
Taxes typically rise 2–5% annually. Build buffer in your housing budget.
Understand escrow accounts.
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