Dependent Care FSA vs. CDCTC Optimizer

Find the maximum childcare tax savings across three strategies: Dependent Care FSA alone, the Child & Dependent Care Tax Credit alone, or the optimal combination. Includes FICA savings on FSA contributions.

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Income & Tax Profile

2026 rules (OBBBA §129): DC-FSA max $7,500 (MFJ $7,500; single $7,500; MFS $3,750). CDCTC: 20–35% credit on up to $3,000 (1 child) / $6,000 (2+ children) after subtracting FSA. Credit rate phases out: 35% at AGI ≤$15K; 20% at AGI ≥$43K+. FICA = 7.65% saved on FSA contribution (employer's FICA match also saved but not counted here). Sources: IRC §129 (DC-FSA); IRC §21 (CDCTC); IRS Pub. 503.
Your federal marginal bracket (10–37%)
Affects CDCTC expense cap ($3K for 1, $6K for 2+)

FSA Availability

0 = automatically optimize to IRS max
FSA Only
Total annual tax savings
CDCTC Only
Total annual tax savings
Optimal Combo
Total annual tax savings
Optimal FSA Contribution
Pre-tax contribution recommended
FICA Savings on FSA
7.65% on FSA contribution
CDCTC Credit Amount
In optimal combo strategy
Effective Childcare Rate
After-tax cost / gross expense

Strategy Comparison

StrategyFSA ContributionFSA Tax SavingsFICA SavingsCDCTC CreditTotal SavingsNet Childcare Cost

CDCTC Rate Reference (IRC §21)

AGI RangeCredit RateMax Credit (1 child)Max Credit (2+ children)
≤ $15,00035%$1,050$2,100
$15,001 – $43,00035% – 20%$600–$1,050$1,200–$2,100
$43,001+20%$600$1,200