Eric Firestone March 19, 2026
Property taxes in Coral Gables can feel confusing, especially if your TRIM notice or November bill looks higher than expected. You are not alone. With a few basics, you can understand how your value is set, what millage rates mean, and how Florida’s homestead rules protect you. You will also learn how to time your filings, appeal if needed, and find legal ways to reduce what you owe. Let’s dive in.
Each January 1, the Miami-Dade Property Appraiser estimates your home’s market value, sometimes called just value. From there, the office calculates your assessed value, which may be limited by Save Our Homes if the property is homesteaded. Finally, your taxable value is the assessed value minus any exemptions you qualify for. You can review these definitions and how the appraiser values property on the county’s overview of property value and assessment.
Your ad valorem taxes are calculated using a simple formula: taxable value multiplied by the total millage rate, then divided by 1,000. The TRIM notice you receive in late August lists your proposed taxable value and the proposed millage rates from all taxing authorities. It also includes hearing dates if you want to follow budget decisions. See what appears on TRIM and how to read it on the county’s TRIM notice guide.
Keep in mind that some charges on your bill are non-ad valorem assessments. These include items like stormwater or special assessments. They are not based on value and are generally not reduced by exemptions, but they still appear on your bill. You will find them listed on your TRIM notice.
If the property is your permanent Florida residence as of January 1, you can apply for the homestead exemption. You must own the property, make it your primary home, and file by March 1 of the tax year. Miami-Dade offers an online application and details on documents to bring, such as your Florida ID and proof of residence. Start with the county’s homestead and renewal page: apply for Homestead and view renewal rules.
The homestead exemption has two parts that together reduce your taxable value by up to $50,000. Historically, the first $25,000 applies to all taxing authorities, and the second $25,000 applies to non-school levies. Beginning January 1, 2025, the second portion is adjusted annually by inflation under Constitutional Amendment 5. County guidance reflected a combined homestead amount of $50,722 for 2025. Always check the current year’s amount on the county site above.
Many homeowners also qualify for additional savings. Miami-Dade lists senior exemptions that depend on household income, veteran and disabled veteran benefits, widow or widower exemptions, and more. Review eligibility and thresholds on the county’s senior exemptions page.
Save Our Homes, often called SOH, limits increases to your assessed value each year once you have a homestead in place. The cap is the lower of 3 percent or the change in the CPI for the prior year. The Florida Department of Revenue publishes the effective cap percentage annually. See the state’s official explanation and yearly cap figures in the Save Our Homes guide.
This is why long-time owners often pay less tax than new owners in the same neighborhood. Their assessed value has been capped over time, which keeps taxable value lower than current market value.
If you sell your homesteaded home and buy another Florida homestead, portability lets you transfer up to $500,000 of your homestead assessment difference to the new home, subject to rules and timing. To use portability, you must establish the new homestead by January 1 within the three-year window measured from the January 1 after you left your prior homestead, and you must file Form DR-501T with your homestead application by March 1 of the year you want the transfer to apply. Review local instructions on Miami-Dade’s portability page and the state’s step-by-step overview in FDOR’s PT-112 portability Q&A.
Start with an informal review with the Property Appraiser’s office during the TRIM period. If the issue is not resolved, you can file a VAB petition by the deadline listed on your TRIM. Evidence exchange rules and partial-payment requirements apply for valuation appeals. Find procedures and forms on the Miami-Dade VAB page.
Here is an illustration using figures cited in the City’s FY 2025–2026 adopted budget and county guidance. Your actual millage will come from your TRIM notice, and the exemption amount can change with CPI.
This is only a rough illustration. Always use your TRIM notice and the county estimator to calculate your property-specific amount.
A calm, informed plan makes homeownership in Coral Gables more predictable. If you are buying, selling, or moving within Miami-Dade, the right timeline for Homestead and portability can save you real money. If you want help aligning your move with these deadlines or you need a local perspective on neighborhoods and value trends, reach out to Eric Firestone for a low-stress, local consultation.
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