Property on Amelia Island sits in Nassau County, Florida, so your yearly tax is plain arithmetic: the home's assessed value, minus any exemptions, times the combined millage rate set each year by the county, the school board, the St. Johns River Water Management District, and the City of Fernandina Beach if your address falls inside city limits. Florida charges no state income tax, the homestead exemption removes up to $50,000 of taxable value, and the Nassau County Tax Collector mails the bill on November 1 with a 4% discount if you pay that month.

Most buyers fixate on the rate. The real surprise is that the figure on the seller's current bill is almost never the figure you'll pay. On this island, where so much of the housing is second homes and rentals, that gap matters more than it does most places.

How are Amelia Island property taxes calculated?

Your bill is taxable value times the combined millage, where a mill is $1 per $1,000 of taxable value. Four or five taxing authorities each set their own millage, and the rates stack. Across Florida the combined rate usually lands between $15 and $20 per $1,000, so a home with $450,000 of taxable value owes roughly $6,800 to $9,000 a year. Nassau publishes its exact current millage every fall.

The lines on a typical island bill come from the Nassau County Commission, the Nassau County School Board, the St. Johns River Water Management District, and, for city addresses, the City of Fernandina Beach. Two offices do the math for you. The Nassau County Property Appraiser sets the assessed value and lists every exemption on a property. The Nassau County Tax Collector applies the millage and sends the bill. Both keep prior-year records online, which means you can read a specific home's tax history before you write an offer.

What does Florida's homestead exemption actually save you?

If the home is your permanent residence, the homestead exemption knocks up to $50,000 off taxable value and locks in Save Our Homes, which caps your assessed value from rising more than 3% (or inflation, whichever is lower) in any year. You apply once with the Property Appraiser by March 1, and it renews automatically after that.

The $50,000 arrives in two pieces. The first $25,000 applies to every line on your bill, schools included. The second $25,000 applies only to non-school taxes, on value above $50,000. The bigger long-run benefit is the 3% cap. Hold a homesteaded house here for a decade while island values climb, and your assessed value lags well behind the market price, sometimes by a wide margin. If you're moving within Florida, portability lets you carry up to $500,000 of that accumulated Save Our Homes discount to your next homestead, so a longtime owner trading the historic district for a place near the marsh doesn't start over at full freight.

Why does a new buyer pay more than the seller did?

Published "average effective rate" figures run low because long-held homestead properties frozen under Save Our Homes drag them down. A purchase resets the assessment to current market value, so a first-year owner often pays noticeably more than the prior owner did. On a barrier island thick with second homes and short-term rentals, the gap widens, because those properties never had the homestead break in the first place.

Second homes, investment properties, and rentals get no homestead exemption, and their assessment cap is 10% a year instead of 3%.

Property typeYearly assessment capHomestead exemption
Primary residence3% (Save Our Homes)up to $50,000
Second home, rental, non-homestead10% (non-school taxes)none

When I walk a buyer through a Salt Harbor Real Estate listing, the first paper I pull is the prior year's tax bill next to the Property Appraiser's record, so we budget the post-sale number instead of the seller's homesteaded one. On a vacation cottage two streets off Centre Street, that difference can run a few thousand dollars a year. Better to know it before closing than in next November's mail.

Inside the city or out in the county?

Homes inside Fernandina Beach city limits carry a municipal millage on top of the county, school, and water-district levies, so two nearly identical houses can owe different taxes depending on which side of the city line they sit. Property in unincorporated Nassau County, including stretches of the island's south end and the mainland around Yulee, skips the city line entirely.

That city millage pays for city services, so you get something for it, but it's real money and the fastest way to misjudge a budget when you're comparing a downtown cottage to a place outside the limits. Check the jurisdiction on the Property Appraiser's record, not the listing. Newer master-planned communities are the other place to look twice. Some carry a Community Development District (CDD) assessment, Florida's version of California's Mello-Roos, added onto the tax bill to pay off neighborhood infrastructure. The historic core generally has none. Some newer builds toward Yulee do.

When are property taxes due, and how do you save 4%?

Nassau mails bills by November 1, and the earlier you pay, the bigger the discount: 4% in November, 3% in December, 2% in January, 1% in February, the full amount in March, and delinquent on April 1. Before any of that, watch your mailbox in August for the TRIM notice, which shows your proposed assessment and millage while you can still challenge them.

The TRIM (Truth in Millage) notice is the one piece of mail most owners ignore and shouldn't. It lands in mid-to-late August, lists your proposed assessed value, and opens the short window to question the appraisal before it hardens into a bill. If your assessment jumped past what comparable sales support, that's when you file, not in November. And paying in full in November for the 4% usually beats whatever the money would earn parked anywhere else for those few weeks.

Frequently asked questions

How much is property tax in Fernandina Beach, Florida?

Homes inside Fernandina Beach city limits pay county, school, and water-district millage plus a city millage, with the combined rate commonly between $15 and $20 per $1,000 of taxable value. A homesteaded home with about $450,000 in taxable value owes roughly $6,800 to $9,000 a year. Check the Nassau County Tax Collector for the exact current millage.

Is it good to buy a house with mello roos?

Florida doesn't have Mello-Roos, which is a California special tax. Its equivalent is a Community Development District (CDD) assessment, added to the tax bill in some newer communities to pay off infrastructure. A CDD isn't inherently good or bad; weigh the annual cost and remaining bond term against the amenities, and confirm the exact amount before you buy.

How much is property tax on a $500,000 house in Florida?

With the homestead exemption, taxable value drops to about $450,000, and at a typical combined rate of $15 to $20 per $1,000 that's roughly $6,800 to $9,000 a year. A second home or rental gets no homestead exemption, so the tax is figured on the full $500,000, closer to $7,500 to $10,000. The exact figure depends on your county's millage.

Do seniors over 65 pay property taxes in Florida?

Yes. Florida does not automatically exempt seniors from property tax, but residents 65 and older may qualify for an additional homestead exemption, subject to an income limit and adopted locally, on top of the standard exemption. A separate exemption also exists for long-term senior residents. Confirm the amounts Nassau County has adopted with the Property Appraiser.