South Florida
Buying a home in Miami-Dade County
What actually shapes the cost of owning in Miami-Dade County — the insurance reality, how the tax bill really works, and the local help most buyers miss.
The loan is usually the ordinary part of buying in Miami and the rest of Miami-Dade County. What varies — and what moves the monthly payment more than the rate often does — is the carrying cost: insurance, flood exposure, and how the property tax resets after a sale. Here is what to check before you're under contract, and the local help worth asking about.
Flood and insurance
Miami-Dade is low, flat, and coastal, with a high water table — flood and wind exposure are among the highest in the country, and insurance is priced accordingly. Flood insurance is a routine part of the monthly cost for much of the county, and for condos the building's master wind and flood coverage matters as much as your own policy. Price insurance early; it frequently decides what a buyer can actually afford here.
Flood is a separate policy from homeowners, and whether a lender requires it comes down to a determination against FEMA's current map for the exact property. More on both: flood zones and flood insurance and Florida homeowners insurance.
Property taxes and homestead
Florida's homestead exemption takes up to $50,000 off the assessed value of a primary residence, and the Save Our Homes cap then limits how fast that assessed value can rise each year. The catch for buyers: when a home sells, the assessment resets toward market value, so the seller's current tax bill is usually a poor guide to yours. Budget from the reset, not the old bill.
Millage rates are set by the county and its taxing districts and change year to year, so for the exact number confirm with the Miami-Dade County Property Appraiser. More on the mechanics: the homestead exemption and how the tax bill resets after a sale.
Down-payment help in Miami-Dade County
On top of the statewide programs, Miami-Dade County runs its own homebuyer assistance through its housing department (Public Housing and Community Development). Amounts, income limits, and funding change, so confirm the current programs with the county housing office or a licensed officer.
Cities in Miami-Dade County
Where a city carries its own real material — its geography and flood reality, and the questions a buyer there should research — we publish a city page under the county.
Want the real numbers for Miami?
A licensed loan officer who works Miami-Dade County can pull the insurance and tax picture for a specific home and tell you what the monthly payment really looks like — before you make an offer.
Current as of August 2026.