Straightforward property tax math.

Free calculators for the most common property tax questions: estimate your bill, quantify exemptions, project 30-year costs, compare states, and more.

✓ No sign-up ✓ No data stored ✓ Works on mobile

Quick estimate

Uses median effective rate for the state
Estimated annual
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Monthly
$0
Effective rate
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State median. Use mill rate for precise math → Relocating? compare state-to-state →
Estimates only. Tax Bill Tools is a calculator, not tax, legal, or financial advice. Actual property tax varies by county, municipality, school district, and specific property details. Verify with your county assessor and a licensed professional before making decisions. See Terms.

Estimate your bill

Know your mill rate or effective rate? Start here.

Most popular

Mill rate → annual tax

Enter home value + mill rate from your tax bill. Get the annual property tax.

Effective tax rate

Divide your paid tax by your home's value to see your true rate.

Escrow monthly estimator

Split your annual property tax into the monthly escrow amount with cushion.

Lower your bill

Exemptions and appeals where the savings actually are.

Homestead exemption

See how much your homestead exemption saves annually and over 10 years.

Appeal savings

What a successful assessment appeal would save on your annual and long-term bill.

Reassessment impact

Before vs after assessed value — see the change to your annual tax.

Plan & compare

Long-term projections, deductions, and cross-state comparisons.

2025 rules

SALT deduction cap

Check how the 2025 $40,000 SALT cap (with MAGI phase-out under OBBB) limits your property + state tax federal deduction.

30-year projection

How much property tax will you pay over three decades at typical growth rates?

 Data

Property tax by state

See median effective rates across all 50 states, ranked.

 Texas

Texas property tax by ZIP

Look up median property tax, home value, and effective rate for any Texas ZIP code.

 Data

State-to-state relocation

Moving from state A to state B on a given home value. What changes?

 Data

Retirement states ranking

Which states are friendliest for retirees on property taxes alone?

Why we built this

Most property tax calculators online are either buried in a lead-capture form, slowed to a crawl by ads, or too generic to match your actual tax bill. We built Tax Bill Tools as a single, fast, free home for the math — clearly sourced, clearly annotated, and never asking for your email.

Tools here are estimates based on the inputs you provide. They are not a substitute for your county assessor's records, your mortgage servicer's escrow analysis, or advice from a licensed tax professional.