Delaware has its own state income tax on top of federal self-employment tax. Get your exact quarterly estimated tax payment, effective rate, and recommended set-aside — free, in seconds.
Delaware Estimated Tax Facts
State Income Tax
Yes
Estimated Tax Form
Form 200-ES
File When You Owe
$400+ in state tax
Self-Employment Tax Rate
15.3% (federal)
Calculate Your Delaware Quarterly Payment
$0
Quarterly Payment
$0
Annual Tax
0%
Effective Rate
0%
Set Aside / Payout
Turn this estimate into your action plan
You have the number. The kit gives you the system — state forms, reminders, and checklist — so you never miss a deadline or overpay a penalty.
1🔒Your state-specific payment forms — the exact IRS/state vouchers for Delaware, pre-filled with your numbers. IRS underpayment penalties run 0.5–0.75%/mo.
2🔒Automated deadline reminders — Q2 is due June 15. The kit sends reminders before each quarterly date so you never miss one.
3🔒Deduction checklist & mileage tracker — your deduction breakdown plus a mileage log you can use at tax time.
Your Delaware kit is $7 one-time — forms, reminders, and a step-by-step checklist. Everything you need to file correctly and on time.
Delaware Q1 estimated tax is due April 30 — not April 15 like federal
Estimated tax required if you expect to owe $400+ in state tax (low threshold)
Delaware standard deduction is $3,250 for single filers
Delaware has no sales tax — but does have a moderate income tax
Last reviewed: April 2026 — verify current rates at revenue.delaware.gov
Your Delaware Kit: Forms, Reminders, Checklists
Q2 estimated payment due June 15. Get your Delaware-specific forms, quarterly deadline reminders, mileage tracker, and a step-by-step action checklist.