Martin County Property Tax Rates (2025)

Homeowners in Martin County, Florida pay a median $3,322 in property tax each year, or 0.77% of a median home value of $432,200. That rate is about the same as the Florida median and 18% lower than the national median of 0.94%.

Updated October 2026 · 2025 millage from the Florida Department of Revenue; medians from the Census Bureau's 2020-2024 American Community Survey

Median effective rate
0.77%
Florida: 0.76% · U.S.: 0.94%
Median annual tax
$3,322
$277 a month
Median home value
$432,200
Census 2020-2024 · 53,998 owner-occupied homes
Share of owner income
3.5%
median tax ÷ median owner household income ($94,021)
Rank in Florida
19th
of 67 counties, highest rate first · 1678th in the U.S.

Look up, pay or appeal your Martin County property tax

This site estimates taxes; your actual bill, payments and appeals are handled by these official county offices.

Source: Florida Department of Revenue: find a county official.

Martin County property tax calculator

Use the assessed value on your TRIM notice (after the Save Our Homes cap). Starts at the county median.
Estimated annual property tax
—
Martin County, FL — Stuart, Florida: Current courthouse
Martin County, FL. Photo: Ebyabe, Wikimedia Commons, CC BY-SA 3.0.
Martin County within Florida

Key property tax dates in Martin County

  1. January 1Property is assessed as of this date.
  2. March 1Deadline to file for the homestead exemption with the property appraiser.
  3. AugustProposed tax (TRIM) notices are mailed; petitions to the value adjustment board are due within 25 days.
  4. November 1Tax bills go out — pay in November for a 4% discount (3% Dec, 2% Jan, 1% Feb).
  5. March 31Last day to pay before taxes become delinquent on April 1.

Statewide deadlines; if a deadline falls on a weekend or holiday it moves to the next business day. Check the county office for local hearing dates.

Worked example: a median-value home in Martin County

Take a homesteaded home assessed at $432,200, the county's median value. School taxes apply after the first $25,000 exemption; all other millage after both exemptions ($50,722 in total).

LevyMillageTaxable valueTax
School board millage5.1770 mills$407,200$2,108
County, city and district millage (county average)10.8828 mills$381,478$4,152
Total$6,260

That is $522 a month — what a lender would typically collect in escrow with each mortgage payment.

Property tax at different home values in Martin County

Home valuePrimary residenceNot a homesteadMonthly (primary residence)
$250,000 $3,334$4,015 $278
$300,000 $4,137$4,818 $345
$400,000 $5,742$6,424 $479
$500,000 $7,348$8,030 $612
$750,000 $11,363$12,045 $947
$1,000,000 $15,378$16,060 $1,282
$1,500,000 $23,408$24,090 $1,951

Based on 2025 county-average millage. Homestead figures apply the state's two homestead exemptions but not the Save Our Homes cap.

Where a Martin County property tax bill goes

For a $432,200 primary residence, the $6,260 bill splits like this; the largest share goes to County government. Because city and MSTU millage is averaged across the county, the city line is lower here than inside a city, and zero in unincorporated areas.

Taxing bodyTaxShareShare of bill
School board$2,10834%
County government$2,50340%
Cities and MSTUs (county-wide average)$1,41223%
Independent special districts$2364%

Martin County millage rates (2025)

Taken together, property in Martin County carried 16.0598 mills on average in 2025 — $16 per $1,000 of taxable value. County-wide levies, which every owner pays, add up to 12.3573 mills. All taxing authorities levied $648,048,878, 7.6% more than in 2024.

LevyMillsOn $200,000 taxable
County government — operating6.5614$1,312
School board — operating5.1770$1,035
Independent special districts (county-wide)0.6189$124
Levies in only part of the county (cities, MSTUs, local districts), county-wide equivalent3.7025$741
Total16.0598$3,212

Source: 2025 millage rates, Florida Department of Revenue (data extract November 2025). Levies charged in only part of the county are shown as their county-wide equivalent, so the total is an average: inside a city or MSTU your millage is higher, elsewhere lower.

How Martin County compares

Martin County: $3,322 Martin County $3,322 Florida: $2,730 Florida $2,730 United States: $3,119 United States $3,119
Median annual property tax — Census ACS 2020-2024
Martin County: 0.77% Martin County 0.77% Florida: 0.76% Florida 0.76% United States: 0.94% United States 0.94%
Median effective rate — Census ACS 2020-2024
Martin CountyFloridaUnited States
Median effective rate0.77%0.76%0.94%
Median annual property tax$3,322$2,730$3,119
Median home value$432,200$359,000$332,700
Median owner household income$94,021$88,144$100,009
Median tax as share of income3.5%3.1%3.1%
Median tax, homes with a mortgage$3,835$2,993—
Median tax, homes without a mortgage$2,830$2,319—

18 counties have a higher median effective rate in Florida, and 48 a lower one. Medians come from the Census Bureau's 2020-2024 American Community Survey.

How property tax works in Florida

How to lower your property tax in Martin County

  1. File for the homestead exemption with the county property appraiser by March 1. Besides up to $50,722 off assessed value, it starts the Save Our Homes cap on annual increases.
  2. Move your Save Our Homes benefit when you buy a new Florida homestead: portability lets you transfer the difference between market and assessed value (up to $500,000) to the new home.
  3. Review your TRIM notice in August. If the value is wrong, talk to the appraiser's office first, then file a petition with the value adjustment board within 25 days of the notice being mailed.
  4. Pay in November for the full 4% early-payment discount (3% in December, 2% in January, 1% in February).

Frequently asked questions

What is the property tax rate in Martin County?

The median effective property tax rate in Martin County, Florida is 0.77%: homeowners pay a median $3,322 a year on homes with a median value of $432,200. Total 2025 millage averaged 16.06 mills ($16.06 per $1,000 of taxable value) across the county.

How does Martin County compare with the rest of Florida?

Its median effective rate is about the same as the Florida median of 0.76%, ranking 19th highest of 67 counties with data. The median tax bill of $3,322 is 22% higher than the statewide $2,730.

Do homeowners with a mortgage pay more property tax in Martin County?

Owners with a mortgage pay a median $3,835 a year, against $2,830 for owners without one. The difference mostly reflects home values — newer buyers tend to own more expensive, more recently assessed homes — not a different tax rate.

What share of income do Martin County homeowners spend on property tax?

The median homeowner household in Martin County earns $94,021 a year, so the median property tax bill of $3,322 is about 3.5% of income, against 3.1% across Florida and 3.1% nationally.

When is property tax due in Martin County?

Florida bills are mailed around November 1, with a 4% discount for paying in November (falling to 1% in February); taxes are delinquent on April 1.

What property tax exemptions can Martin County homeowners claim?

A homestead gets $25,000 off assessed value for all taxes and up to $25,722 more (2025) for non-school taxes, and the Save Our Homes cap limits annual increases in assessed value to 3% or inflation.

How do I estimate my Martin County property tax bill?

Multiply your home's taxable value by the combined rate of every taxing unit that covers your address, after subtracting exemptions. The calculator above does this with the official rates for each school district and city. For the exact amount, look up your property with the county's appraisal or assessment office.

Other Florida counties

Similar effective rates

Largest counties

All 67 Florida counties compared →

Looking for a different Martin County?

5 other states have a Martin County. Median property tax in each:

CountyEffective rateMedian taxMedian home value
Martin County, North Carolina1.06%$1,168$109,700
Martin County, Minnesota1.02%$1,671$163,500
Martin County, Kentucky0.82%$716$86,900
Martin County, Indiana0.54%$865$159,400
Martin County, Texas0.91%$1,587$174,800

Sources