Property Tax Calculator — Estimate Property Taxes by State | AllInOneTools
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Property Tax Calculator

Estimate annual and monthly property taxes for any home in all 50 states. Includes real effective rates, assessment ratios, exemptions, and escrow amounts.

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Property Tax Calculator: How Property Taxes Work in All 50 States

Property taxes are the primary funding source for local government services — public schools, fire departments, roads, and parks. They are levied annually by county and municipal governments, and the amount you pay depends on three variables: your home's assessed value, your local tax (mill) rate, and any exemptions you qualify for. This calculator uses real effective tax rate data for all 50 states to give you the most accurate estimate possible.

How Property Taxes Are Calculated: The Formula

Most homeowners receive a tax bill and have no idea how the number was derived. The calculation actually involves multiple steps:

Step 1: Market Value × Assessment Ratio = Assessed Value Step 2: Assessed Value − Exemptions = Taxable Value Step 3: Taxable Value × Mill Rate = Annual Property Tax Example (Texas, $350,000 home, homestead owner): $350,000 × 100% assessment = $350,000 assessed $350,000 − $100,000 homestead exemption = $250,000 taxable $250,000 × 1.74% effective rate = $4,350/year = $363/month

The assessment ratio is the percentage of market value used for taxation. Most states assess at 100% of market value, but some assess at significantly lower percentages. Louisiana assesses residential property at 10% of market value. California under Proposition 13 assesses at purchase price (not current market value), capped at 2% annual increases. This is why two identical homes in California can have dramatically different tax bills depending on when they were purchased.

The mill rate (or millage rate) is the tax rate expressed as dollars per $1,000 of assessed value. A mill rate of 20 mills means $20 per $1,000 of assessed value, which equals 2% of assessed value. Mill rates vary enormously — not just by state, but by county, city, school district, and special assessment district within the same state.

Property Tax Rates by State: Full Comparison

The following table shows effective property tax rates (as a percentage of market value), median tax bills, and key features for every state. Effective rates account for assessment ratios and represent actual taxes paid as a percentage of home value.

StateEffective RateMedian Annual TaxAssessment RatioNotable Feature
Alabama0.37%$57210%One of lowest rates; low assessment ratio
Alaska1.04%$3,652100%No state property tax; local rates vary widely
Arizona0.48%$1,64818% residentialResidential assessed at 18% of full cash value
Arkansas0.57%$72120%Assessment capped at 5% increase/year
California0.71%$4,279Purchase priceProp 13: assessed at purchase price, max 2%/yr increase
Colorado0.48%$1,7336.7% residentialVery low residential assessment ratio
Connecticut1.92%$5,89870%High rates; elderly/disabled exemption programs
Delaware0.55%$1,234VariesLow rates; senior exemptions available
Florida0.83%$2,143100%$50,000 homestead exemption; Save Our Homes cap
Georgia0.83%$1,72640%Homestead exemption varies by county
Hawaii0.27%$1,893100%Lowest rate in US; home values are very high
Idaho0.47%$1,492100%Circuit breaker program for low-income owners
Illinois2.08%$4,52933.3%2nd highest; heavy reliance on property tax for schools
Indiana0.75%$1,240100%Deductions reduce assessed value; 1% cap for homesteads
Iowa1.40%$2,61354.6%Residential rollback limits taxable value increases
Kansas1.29%$2,23511.5%Low assessment ratio but high mill rates
Kentucky0.80%$1,257100%Homestead exemption for 65+
Louisiana0.54%$98310%Very low assessment ratio; $75,000 homestead exemption
Maine1.14%$2,756100%Tree Growth Tax Law for forest landowners
Maryland1.02%$3,633100%Assessment phased in over 3 years; Homestead Tax Credit
Massachusetts1.14%$4,309100%Classification of commercial vs residential affects rates
Michigan1.38%$2,55150%Taxable value capped at 5%/yr until sale (Proposal A)
Minnesota1.02%$2,915100%Homestead exclusion reduces taxable market value
Mississippi0.62%$86110%Very low assessment ratio; homestead credit
Missouri0.91%$1,67619%Assessed at 19% of true value for residential
Montana0.74%$2,191100%Elderly homeowner tax credit program
Nebraska1.61%$3,063100%High rates to fund local services; homestead exemption
Nevada0.49%$1,61435%Abatement cap limits annual increases
New Hampshire1.86%$5,701100%No income/sales tax — funds government via property tax
New Jersey2.23%$8,797100%Highest effective rate in US; ANCHOR property tax relief
New Mexico0.55%$1,32033.3%3% annual value increase cap; low rates
New York1.30%$5,884VariesSTAR exemption for homeowners; NYC rate much lower
North Carolina0.77%$1,833100%Homestead exclusion for 65+ and disabled
North Dakota0.89%$1,73050%Homestead credit reduces bill; oil tax reduces burden
Ohio1.37%$2,44735%2.5% rollback on owner-occupied; CAUV for farmland
Oklahoma0.85%$1,27811%Homestead exemption $1,000 off assessed value
Oregon0.82%$3,122100%Measure 50: taxable value capped at 3%/yr
Pennsylvania1.39%$2,887VariesEach county sets own ratio; Homestead exclusion
Rhode Island1.30%$4,483100%Stabilization exemptions available
South Carolina0.52%$1,0244% owner-occupied4% vs 6% assessment ratio for primary vs other
South Dakota1.08%$2,03385%Owner-occupied freeze program for seniors
Tennessee0.48%$1,22025%25% assessment ratio for residential; no income tax
Texas1.60%$3,872100%No income tax; $100k homestead exemption; 10% annual cap
Utah0.52%$1,834100%Primary residence: 45% of fair market value taxed
Vermont1.83%$4,855100%Homestead declaration required; income-based adjustment
Virginia0.82%$2,972100%Reassessment varies by locality; elderly relief programs
Washington0.87%$4,030100%1% annual levy limit; senior exemption based on income
West Virginia0.53%$69860%60% assessment; senior citizen tax credit
Wisconsin1.59%$3,472100%School Levy Tax Credit reduces bills; Lottery credit
Wyoming0.55%$1,3809.5%Very low assessment ratio; mineral severance tax offsets
Washington D.C.0.53%$3,300100%Homestead deduction $84,000; senior/disabled relief

Homestead Exemptions: Major State Programs

A homestead exemption reduces the taxable value of your primary residence, directly lowering your tax bill. Every state with a homestead exemption requires you to apply — it is not automatic. Applications are typically due between January 1 and April 30 for the current tax year.

  • Texas: $100,000 exemption from school district taxes ($40,000 before 2022 law change). Additional $10,000 for 65+. Annual cap of 10% on value increases for homestead properties.
  • Florida: $50,000 exemption ($25,000 on first $50,000 of value for all taxes; $25,000 on value between $50,000–$75,000 for non-school taxes). Save Our Homes cap limits assessment increases to 3% per year for homesteads.
  • California (Prop 13): Not technically a homestead exemption but the most powerful protection — assessed value locked at purchase price, maximum 2% annual increase regardless of market appreciation. Plus a $7,000 homestead exemption reducing taxable value.
  • Georgia: Standard homestead exemption varies by county ($2,000–$30,000+). Fulton County offers up to $30,000 for school taxes. Senior exemptions available in most counties.
  • Louisiana: $75,000 homestead exemption on assessed value. Since residential is assessed at 10% of market value, this effectively exempts the first $750,000 of market value for owner-occupants — meaning most Louisiana homeowners pay very little property tax.

How to Appeal Your Property Tax Assessment

If your assessed value is higher than what comparable homes are selling for, you may have grounds for appeal. Studies show that 40–60% of successful appeals result in a reduction, yet fewer than 5% of homeowners ever file. The process:

📋 Step-by-Step Appeal Process 1. Review your assessment notice. Your county will mail an assessment notice (typically in Q1). You have a limited window to appeal — usually 30–90 days. Mark the deadline immediately.

2. Look up comparable sales (comps). Find 3–5 homes similar to yours (same neighborhood, sq footage, age, condition) that sold in the past 6–12 months for less than your assessed value. Zillow, Redfin, or your county assessor's website have this data.

3. File an informal appeal first. Most counties allow an informal review with an assessor's office representative before a formal hearing. Many cases are resolved here without a board hearing.

4. Attend the formal hearing. Bring your comps, photos of any property defects, and the official appeal form. Be factual and unemotional — present the data.

5. Consider a tax professional. Property tax consultants work on contingency (typically 30–50% of first year's savings). For high-value properties, this is often worth it.

Calculating Your Monthly Escrow Amount

If you have a mortgage, your lender almost certainly collects property taxes through an escrow account. Your monthly escrow payment is your estimated annual property tax divided by 12, plus typically a 2-month cushion collected upfront. Understanding this calculation helps you anticipate payment changes when your tax assessment or rate changes.

✅ Escrow Calculation Example Home value: $350,000 | State: Texas | Effective rate: 1.60%
Annual property tax: $350,000 × 1.60% = $5,600/year
Monthly escrow for taxes: $5,600 ÷ 12 = $467/month
Initial escrow cushion (2 months): $934 collected at closing
Always verify with your mortgage servicer — rates change annually

Why Property Taxes Change Year to Year

Property tax bills change for two independent reasons: your assessed value changes, or your local mill rate changes. Homeowners are often surprised when their tax bill increases even though they did nothing — their neighborhood appreciated in value, their county raised the mill rate to fund a school bond, or their exemption expired. Most states have caps that limit annual assessment increases (California: 2%, Florida: 3%, Michigan: 5%, Texas: 10%), but these caps reset when a property sells, often causing "welcome stranger" increases for new buyers.

Frequently Asked Questions

How is property tax calculated?
Property tax = Assessed Value × Tax Rate. Assessed value = Market Value × Assessment Ratio. Example: $300,000 home in a state with 80% assessment ratio and 1.5% rate = $300,000 × 80% × 1.5% = $3,600/year. Many states also subtract homestead exemptions from assessed value before applying the rate.
What state has the highest property taxes?
New Jersey has the highest effective rate at ~2.23% of market value, with a median annual bill of ~$8,797. Illinois (2.08%), Connecticut (1.92%), New Hampshire (1.86%), and Vermont (1.83%) follow. These states heavily fund education and local services through property taxes.
What state has the lowest property taxes?
Hawaii has the lowest rate at ~0.27%, though high home prices mean dollar amounts are still significant. Alabama (0.37%), Colorado (0.48%), Nevada (0.49%), and Utah (0.52%) also have very low effective rates. Southern states generally have lower property tax burdens.
What is a homestead exemption and how do I get it?
A homestead exemption reduces the taxable assessed value of your primary residence. Texas offers $100,000, Florida $50,000, Louisiana $75,000 (on assessed value). You must apply through your county assessor's office — it is not automatic. Application deadlines are typically January 1–April 30 each year for the following tax year.
Can I appeal my property tax assessment?
Yes. File within the appeal window (usually 30–90 days after assessment notice). Gather comparable sales showing homes similar to yours sold for less. File for informal review first, then formal Board of Equalization hearing if needed. 40–60% of appeals result in reductions. Professional tax consultants work on contingency for large properties.
Are property taxes included in my mortgage payment?
Usually yes. Lenders collect 1/12 of estimated annual taxes monthly in escrow, then pay the bill directly. This is part of PITI (Principal, Interest, Taxes, Insurance). Some lenders waive escrow for borrowers with 20%+ equity. Your escrow payment adjusts annually when the lender reconciles actual vs estimated taxes.
What is an assessment ratio?
The assessment ratio is the percentage of market value used for taxation. Most states assess at 100%, but others use much lower ratios: Louisiana residential = 10%, Colorado residential = 6.7%, Tennessee = 25%, Arizona residential = 18%. This is why effective tax rates (as % of market value) differ significantly from stated mill rates.
How often are properties reassessed?
Schedules vary by state and county. California only reassesses at sale (Prop 13). Michigan caps increases at 5%/year until sale. Texas reassesses annually but caps increases at 10%/year for homesteads. Florida caps at 3%/year (Save Our Homes). Most other states reassess every 1–4 years, with caps varying widely.