No Tax on Overtime in New Mexico

1.5%–5.9%

The deduction is federal. New Mexico still charges its own tax on those same hours.

On $5,828 of overtime premium

You save $946, but New Mexico takes back $274

Worked on New Mexico's own average wage ($63,135, about $30/hour per BLS) with 8 overtime hours a week for 48 weeks. The OBBBA deduction cuts your federal tax, but not your state base, so New Mexico charges anyway. FICA is never touched: $446 of Social Security and Medicare on those hours.

New Mexico keeps 29.0% of what the federal deduction gives back.

How the split moves with your overtime

Single filer on $63,135 of straight-time pay in New Mexico, tax year 2026. The last row is the deduction cap.

Overtime premiumFederal savingNew Mexico taxFICANet benefit
$2,000$240−$94−$153$146
$4,000$544−$188−$306$356
$6,000$984−$282−$459$702
$8,000$1,424−$376−$612$1,048
$12,500$2,414−$588−$956$1,826

Applies New Mexico's income tax, which for 2026 is not reduced by the deduction. Informational estimate, not tax advice.

Overtime and OBBBA in New Mexico

Does New Mexico tax my overtime in 2026?
Yes. New Mexico doesn't let the OBBBA deduction reduce its own tax for 2026, so it still applies its income tax (1.5%–5.9%) to those hours: you get $946 back federally while New Mexico takes $274 of the very same hours.
So is overtime actually tax-free?
Not quite, and the name oversells it. The deduction covers only the PREMIUM half of time-and-a-half, caps at $12,500 for a single filer, phases out above $150,000 of income, and never touches FICA: in this example you pay $446 in Social Security and Medicare on those hours regardless.
What do I actually save in New Mexico?
On $63,135 of straight-time pay plus $5,828 of overtime premium: $946 off your federal bill, less $274 that New Mexico takes. Real net effect of the deduction: $672.
Where does this show up on my W-2?
Your employer reports qualified overtime in W-2 box 12 under code TT. That figure is what carries to Schedule 1-A; if the box is empty, ask your employer to correct it before you file.

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