Federal CTC Income Limits for 2026

The child tax credit for 2026 is $2,000 per qualifying child. The phaseout begins at $400,000 of modified AGI for married filing jointly and $200,000 for single filers and heads of household.

Above those thresholds, you lose $50 of credit for every $1,000 of excess income. A married couple in Coral Gables earning $420,000 with two kids sees their $4,000 total credit drop to $3,000. At $480,000, the credit is completely gone.

These thresholds apply to modified adjusted gross income, which is your AGI before the standard deduction. For most Miami filers, MAGI and AGI are the same number unless you have foreign earned income exclusions or certain other adjustments.

Florida’s Tax Advantage: No State Layer

This is where living in Miami pays off on the tax front. States like New York and California have their own child credits with their own income phaseouts and their own filing requirements. Florida has none of that. No state income tax, no state child credit, no state return to file.

What this means in practice: a Miami family and a Manhattan family earning the same $380,000 both get the full $4,000 federal CTC for two kids. But the New York family also deals with the Empire State Child Credit phaseout, files a state return, and pays state income tax on top of it. The Miami family keeps things simple and, in most cases, keeps more of the credit’s value since there’s no state tax eating into their total refund.

The flip side is that lower-income families in Florida miss out on the state-level credits that places like New York offer. There’s no Florida-specific safety net for families the federal credit doesn’t fully reach.

Strategies to Stay Below the Phaseout

Miami’s real estate and business community includes plenty of households earning between $350,000 and $500,000 where the CTC phaseout starts to bite. Pre-tax retirement contributions are the most direct fix.

Maxing out two 401(k) accounts at $23,500 each ($47,000 total) drops your MAGI by that amount. For a couple earning $430,000, that gets them to $383,000 and well under the $400,000 threshold.

Self-employed Miami residents, especially those in real estate, consulting, or import-export, have even more room. A Solo 401(k) allows total contributions up to $69,000 for 2026, including employer profit-sharing contributions. Combined with a spouse’s 401(k) at a W-2 job, a household can move over $90,000 off their AGI.

HSA contributions ($8,550 for family coverage) add another dollar-for-dollar reduction. Between retirement and HSA accounts, there’s real room to maneuver even at high income levels.

Qualifying Child Rules

Your child must be under 17 as of December 31, 2026. They need a valid Social Security number (ITINs don’t qualify for CTC, though children with ITINs can qualify for the $500 Credit for Other Dependents). The child has to live with you for more than half the year and cannot provide more than half of their own support.

In custody situations, the parent with more overnights claims the credit. Florida family courts don’t determine who claims the CTC; that’s a federal tax question. But the IRS default rule is clear: more nights = the claim. Form 8332 can transfer the claim to the noncustodial parent, and some Florida divorce agreements specify this as part of the settlement. If yours does, make sure the form is actually filed. An agreement in a divorce decree doesn’t automatically transfer the credit without Form 8332 attached to the return.

The Refundable Portion: ACTC

The Additional Child Tax Credit makes up to $1,700 per child refundable for 2026. “Refundable” means you get it as a check even if your federal tax liability is zero. You need at least $2,500 in earned income to start qualifying, and the refundable amount is 15% of earned income above that floor.

For Miami families with lower incomes or significant business losses that bring taxable income near zero, the ACTC ensures the credit still delivers real cash. A household with $40,000 in earned income and three qualifying children gets up to $5,100 in refundable credit through the ACTC, regardless of their actual tax bill.