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Nanny payroll calculator for Arizona (2026): take-home pay, withholding and the family's cost
A full-time nanny in Arizona at $20 an hour (40 hours a week) takes home $672 a week after federal tax, Social Security and Medicare and Arizona income tax ($12 a week). The family's total cost is $44,824 a year: $41,600 in wages plus $3,182 employer Social Security and Medicare and $42 FUTA, before state unemployment insurance.
| Rate | Gross / week | Federal WH | SS + Medicare | Arizona tax | Nanny's net / week | Your cost / week | Your cost / year |
|---|---|---|---|---|---|---|---|
| $15/h | $600 | $30 | $46 | $7 | $517 | $647 | $33,629 |
| $18/h | $720 | $44 | $55 | $10 | $610 | $776 | $40,346 |
| $20/h | $800 | $54 | $61 | $12 | $672 | $862 | $44,824 |
| $22/h | $880 | $64 | $67 | $14 | $735 | $948 | $49,303 |
| $25/h | $1,000 | $78 | $76 | $17 | $828 | $1,077 | $56,020 |
| $30/h | $1,200 | $102 | $92 | $22 | $984 | $1,293 | $67,216 |
40 hours a week, paid weekly, single filer with W-4 Step 1 only; state payroll programs included where Arizona has them; state unemployment insurance not included. 2026 tables.
Schedule H for a Arizona nanny at $20 an hour
| Cash wages for the year | $41,600 |
| Social Security tax (12.4%, both shares) | $5,158 |
| Medicare tax (2.9%, both shares) | $1,206 |
| Federal income tax withheld (if agreed — $2,812 a year at Step 1) | $2,812 |
| FUTA (0.6% of the first $7,000) | $42 |
| Total household employment tax on Schedule H | $9,219 |
Half of the Social Security and Medicare ($3,182) is the nanny's share, withheld from her pay; the rest is yours. Work out the exact figures with the Schedule H calculator, then run each pay period in the payroll ledger so the stubs, quarterly totals and the January W-2 come out of the same numbers.
Arizona rules for household employers
- Arizona income tax applies to the nanny’s wages; withholding follows the state’s tables ($12 a week at $20/h) and is remitted to the state.
- Register with the Arizona unemployment insurance agency once you pay $1,000 in a quarter; the rate is set per employer.
- Federal: W-2 by January 31, Copy A to the SSA, Schedule H with your 1040 by April 15.
Frequently asked
How much does a nanny cost in Arizona?
At $20 an hour full-time: $41,600 in wages plus about $3,224 in employer taxes = $44,824 a year, plus Arizona unemployment insurance. At $25 an hour: $56,020.
How much does a nanny take home in Arizona?
$672 a week at $20 an hour, $828 at $25, $984 at $30 — single filer, standard withholding.
Does the nanny pay tax in April too?
If income tax is withheld at the W-4 amounts, usually not; if you agreed not to withhold, she owes the year's income tax on her return and should make estimated payments.