Next federal deadline
January 15, 2027
Q4 — covers income earned Sep 1 – Dec 31.
Idaho addendum
Idaho Form 40ES for quarterly estimates. Flat-rate state income tax simplifies set-aside calculations.
Verify with Idaho State Tax CommissionLast reviewed: August 2026. Always confirm current rules with the official source above.
Idaho tax rate & quarterly deadlines
Idaho income tax
5.695% flat
Set aside for state estimated tax on top of federal.
Gig driver set-aside range
15–30% of net gig income
Covers self-employment + income tax. Use the kit calculator to dial in your number.
Federal quarterly estimated tax due dates. Weekends/holidays shift the date slightly. Idaho state estimates follow the same schedule.
Common gig driver deductions
Track these year-round to lower your taxable gig income.
Standard mileage
70¢/mile (current IRS rate) covers fuel, maintenance, depreciation & insurance.
Phone & service
Deduct the business-use percentage of your phone and monthly plan.
Vehicle supplies
Phone mounts, chargers, floor mats, cleaning supplies.
Health insurance
Self-employed health insurance premiums are deductible above-the-line.
Home office
If you use a space exclusively for business admin, you may qualify.
Retirement (SEP/Solo 401k)
Contributions reduce taxable income while saving for retirement.
In the Idaho kit
- Federal quarterly cheat sheet
- Idaho state addendum checklist
- Estimated-tax calculator
- Printable mileage tracker (PDF)
- Payout set-aside worksheet
- Quick-start guide
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