Key Largo, Monroe County, Florida Property Taxes
Property Taxes in Key Largo, Florida
Median Key Largo, Florida effective property tax rate: 0.66%, significantly lower than the national median of 1.02%, and lower than the Florida state median of 1.10%.
Median Key Largo, Florida home value: $756,119
Median annual Key Largo, Florida tax bill: $4,907, $2,507 higher than the national median property tax bill of $2,400.
How are property taxes in Monroe calculated?
Property taxes in Key Largo, Florida are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Key Largo's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Key Largo, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Key Largo, Monroe County, Florida Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.66%
Estimate Property Tax Bill
$4,990
$4,631
How Does the Key Largo Property Tax Calculator Work?
Use this Key Largo property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Key Largo's median effective tax rate of 0.66% — based on actual property records in Monroe County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Key Largo's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Key Largo: rates range from 0.66% in 33037 to 0.66% in 33037, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Key Largo.
About Key Largo Property Taxes
About Property Taxes in Key Largo, Monroe, Florida
Key Largo's median effective property tax rate of 0.66% is lower than the Florida state median of 1.10% and lower than the national median of 1.02%. This rate reflects the Monroe County base levy combined with local levies that can vary across the area.
Property tax rates are not uniform across Key Largo. Homeowners in the 33037 ZIP code carry a median effective rate of 0.66%, and the same ZIP also has the median home price of $756,119 and a median property tax bill of $4,907. Understanding how assessed value and local levies work can make a meaningful difference to your annual tax bill.
Key Largo homeowners who believe their assessed value is too high can file a formal appeal with the Property Appraiser before the September 15, 2026 deadline each year.
If your estimated bill seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Key Largo, Monroe County, Florida
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Key Largo's effective property tax rate to other cities in Florida and the median property tax rates in Florida and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Key Largo Tax Rate
0.66%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Monroe County Tax Rate
0.72%
Median Effective Florida Tax Rate
1.10%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Key Largo, Monroe County, Florida
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 33037 | 0.31% | 0.46% | 0.66% | 0.77% | 0.86% |
Source: Ownwell
Property Tax Assessment Values Across Key Largo, Monroe County, Florida
When examining property taxes in Key Largo, Florida, understanding the distinction between market value and assessed value is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Monroe County property appraiser estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Monroe County, assessment notices are sent in August each year. They'll typically reach your mailbox by the middle of August.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. The median home price in Key Largo is $756,119, with tax bills ranging significantly across the county. ZIP code 33037 has the highest median home price at $756,119.
Property Tax Assessment Values Across Key Largo, Monroe County, Florida
Source: Ownwell
$365,490
$1,120,322
$1,875,153
Median Key Largo Market Value
$756,119
Median Monroe County Market Value
$784,940
Median Florida Market Value
$310,033
Median United States Market Value
$235,294
Property Tax Assessment Values Across Key Largo, Monroe County, Florida
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 33037 | $335,043 | $529,625 | $756,119 | $1,573,186 | $3,737,375 |
Source: Ownwell
Property Tax Bills Across Key Largo, Monroe County, Florida
Property tax bills in Key Largo are calculated by applying local tax rates to a home’s assessed value, which is based on the market value of the property. For homeowners, the bill is shaped by the home’s value, local millage rates, and any exemptions or adjustments that may apply. With a median home price of $756,119, property taxes can represent a significant annual expense.
The typical tax bill in Monroe County reflects a wide range of outcomes, with the 25th percentile at $3,105, the 75th percentile at $8,610, and the 90th percentile reaching $18,223. That spread shows how much bills can vary depending on a property’s assessed value and the taxing authorities that apply. In the area, the median tax bill is $4,907, which can have a major impact on household budgets, especially for owners of higher-value homes.
Median Key Largo Tax Bill
$4,907
Median Monroe County Tax Bill
$5,260
Median Florida Tax Bill
$3,263
Median United States Tax Bill
$2,400
Property Tax Bills Across Key Largo, Monroe County, Florida
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 33037 | $2,032 | $3,105 | $4,907 | $8,610 | $18,223 |
Source: Ownwell
Don't miss the deadline to petition!
Dates | |
|---|---|
| Property Valuation Date | January 1 |
| Appeal Deadline | September 15 |
| Tax Bill | |
| Issued | November 1 |
Links | |
|---|---|
| Monroe Property Appraiser | |
| Website | qpublic.schneidercorp.com |