County publishes Amendment 3 service-impact page; no specific fee yet
The county's official Amendment 3 page estimates losses of $385.8M (2027) and $696.7M (2028). No specific new fee has been found yet.
Sources: Miami-Dade County (official)
$524.7MEst. local loss FY 2027-28
$5,161.5MEst. 5-year loss
11.1354Non-school millage, 2025
1Tracked actions
Florida TaxWatch's compilation of state estimates puts Miami-Dade County's total local revenue loss from Amendment 3 at $524.7M in FY 2027-28 and $5,161.5M over five years, across 36 local governments in the estimate. The first-year hit equals 17.7% of the county government's FY 2025-26 property tax levies (statewide rank 59 of 67). The 2025 average total millage rate is 18.4893 mills (rank 7), of which 11.1354 is non-school, the part Amendment 3 affects.
Tracked fee, assessment and millage actions
No adopted changes tracked yet. The items above are under discussion only.
Estimated revenue loss, year by year
| Fiscal year | Estimated loss |
|---|---|
| FY 2027-28 | $524.7M |
| FY 2028-29 | $945.7M |
| FY 2029-30 | $1,072.7M |
| FY 2030-31 | $1,225.8M |
| FY 2031-32 | $1,392.6M |
| 5-year total | $5,161.5M |
Source: Florida TaxWatch Property Tax Resource Center (Revenue Estimating Conference estimates and DOR 2025 millage, Oct 2026).
Local taxing authorities affected
| Government | Type | FY 2027-28 | 5-year total |
|---|---|---|---|
| Miami-Dade County | County government | $357,341,735 | $3,459,267,872 |
| All ISDs in Miami-Dade | Independent Special District | $33,019,037 | $324,983,413 |
| Aventura | Municipality | $1,641,116 | $16,007,429 |
| Bal Harbour | Municipality | $350,528 | $4,233,204 |
| Bay Harbor Islands | Municipality | $433,076 | $4,462,508 |
| Biscayne Park | Municipality | $730,932 | $6,973,639 |
| Coral Gables | Municipality | $7,427,368 | $82,510,863 |
| Cutler Bay | Municipality | $2,850,505 | $25,228,739 |
| Doral | Municipality | $2,974,095 | $34,378,238 |
| El Portal | Municipality | $449,303 | $4,158,286 |
| Florida City | Municipality | $1,064,161 | $10,628,705 |
| Golden Beach | Municipality | $510,899 | $6,610,801 |
| Hialeah | Municipality | $17,807,844 | $165,630,279 |
| Hialeah Gardens | Municipality | $1,546,087 | $13,751,428 |
| Homestead | Municipality | $6,580,569 | $60,006,519 |
| Indian Creek | Municipality | $189,589 | $2,569,903 |
| Key Biscayne | Municipality | $1,051,068 | $11,061,858 |
| Medley | Municipality | $876,336 | $15,336,381 |
| Miami | Municipality | $38,994,819 | $426,947,823 |
| Miami Beach | Municipality | $11,924,383 | $137,010,680 |
| Miami Gardens | Municipality | $12,539,262 | $108,068,443 |
| Miami Lakes | Municipality | $1,555,251 | $15,572,146 |
| Miami Shores | Municipality | $2,317,579 | $22,475,608 |
| Miami Springs | Municipality | $2,155,857 | $21,171,560 |
| North Bay Village | Municipality | $957,085 | $9,916,782 |
| North Miami | Municipality | $5,108,320 | $46,203,219 |
| North Miami Beach | Municipality | $3,518,207 | $31,813,020 |
| Opa-Locka | Municipality | $1,390,674 | $16,235,894 |
| Palmetto Bay | Municipality | $1,528,921 | $15,542,762 |
| Pinecrest | Municipality | $1,304,660 | $13,916,306 |
| South Miami | Municipality | $1,071,647 | $11,194,824 |
| Sunny Isles Beach | Municipality | $918,132 | $9,664,105 |
| Surfside | Municipality | $803,652 | $9,968,727 |
| Sweetwater | Municipality | $868,559 | $9,873,755 |
| Virginia Gardens | Municipality | $211,082 | $1,937,560 |
| West Miami | Municipality | $654,400 | $6,129,366 |
Property tax profile
- Average total millage, 2025: 18.4893 (7)
- Average non-school millage, 2025: 11.1354 (13)
- Property taxes per person, all levies: $3,535.21 (6)
- County government levies per person: $1,293.46 (9)
- First-year loss as share of county spending (FY 2024-25): 4.8% (61)
- Growth in total property taxes, FY 2015-16 to 2025-26: 107.5% (24)
Statewide rank in parentheses (1 = highest). Source: Florida TaxWatch Property Tax Resource Center (Revenue Estimating Conference estimates and DOR 2025 millage, Oct 2026).
What Amendment 3 means for a Miami-Dade County homeowner
Illustrative: on a $300,000 homestead at the county's average non-school rate of 11.1354 mills, non-school tax is about $2,768 under 2026 rules, $1,670 in 2027 and $557 in 2028, before any new fees or rate changes. A new resident arriving in 2027 would pay about $2,784. Run your own numbers.
Official records to watch
- Florida DOR Property Tax Data Portal (millage and taxable value files)
- DOR TRIM maximum millage reports
- Miami-Dade County commission agendas and August 2027 TRIM notices
Nearby: Martin County · Monroe County · all counties
Frequently asked questions
How much will Miami-Dade County lose from Amendment 3?
About $524.7M in FY 2027-28 and $5,161.5M over five years for all local governments in the county, per Revenue Estimating Conference figures compiled by Florida TaxWatch.
What is the millage rate in Miami-Dade County?
The 2025 average total millage rate is 18.4893 mills, including 11.1354 mills of non-school levies. Your exact rate depends on your city and special districts. Source: Florida TaxWatch from Florida DOR data.
Is Miami-Dade County adding a fire assessment or new fee?
Under discussion, not adopted: County publishes Amendment 3 service-impact page; no specific fee yet.
When will Miami-Dade County set its 2027 tax rates?
Florida taxing authorities propose rates in TRIM notices mailed in August and adopt them at September budget hearings. The first budget under the $150,000 exemption is FY 2027-28.
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