Everything Grand Rapids, MI residents and small businesses need for taxes: 2026 federal and Michigan filing deadlines, document checklists, official IRS and Michigan Treasury forms, refund status links, and local Grand Rapids tax resources — curated by a Michigan CPA.
The links Grand Rapids taxpayers reach for most — pay the IRS, Michigan, or the City of Grand Rapids; grab the right withholding forms; or check where your refund is. Deadlines, checklists, and the full forms library are further down the page.
Make a federal, Michigan, or City of Grand Rapids tax payment online.
Withholding (W-4) and onboarding forms for federal, Michigan, and local employers.
Check the status of your federal or Michigan refund after you file.
If you're searching for taxes in Grand Rapids, MI, you've probably realized the official sources — IRS.gov, Michigan.gov, and various government agency portals — make it hard to find what you actually need. This tax center pulls the most useful Grand Rapids tax resources into one place: federal and Michigan deadlines, the documents you'll need at filing time, official forms with direct links, refund tracking, and answers to common Michigan-specific questions — including quarterly estimated taxes in Michigan and Grand Rapids estimated tax payment schedules for self-employed residents. Bookmark it and check back at the start of each tax season.
The dates every Grand Rapids, MI taxpayer should have on their calendar. Federal IRS dates apply to all U.S. filers; Michigan state dates apply to anyone with Michigan-sourced income.
| Date | What's Due |
|---|---|
| Jan 15, 2026 | Q4 2025 estimated tax payment (federal & Michigan) — self-employed and 1099 earners |
| Jan 31, 2026 | W-2s and 1099s due to recipients · Form 941 (Q4) due to IRS |
| Mar 17, 2026 | S-corp (Form 1120-S) and partnership (Form 1065) returns due — or file extension (Form 7004) |
| Apr 15, 2026 | Individual federal return (Form 1040) and Michigan return (MI-1040) due · C-corp return (1120) due · Q1 2026 estimated payment · 2025 IRA/HSA contribution deadline |
| Apr 30, 2026 | Form 941 (Q1) due to IRS |
| Jun 15, 2026 | Q2 2026 estimated tax payment |
| Sep 15, 2026 | Q3 2026 estimated payment · Extended S-corp and partnership returns due |
| Oct 15, 2026 | Extended individual (1040) and C-corp (1120) returns due |
| Jan 15, 2027 | Q4 2026 estimated tax payment |
If a deadline falls on a weekend or federal holiday, it shifts to the next business day. Filing an extension by the deadline avoids the failure-to-file penalty but does not extend your payment due date.
Two starter checklists — individual and small business. After your free consultation, 4K Accounting sends a personalized list specific to your situation.
If you're a sole proprietor or small business owner who wants tax-ready books without paying for QuickBooks, the Small Business Bookkeeping Tracker is for you. Built in Google Sheets by Mindy Kiliszewski, CPA — categories map directly to your Schedule C or business return.
The most-requested forms, linked directly to the official IRS and Michigan Department of Treasury sources. Always download forms from the official agency — third-party sites can be outdated.
Individual returns, business filings, withholding, and estimated payments — all from irs.gov/forms-instructions.
Michigan-specific forms and instructions, available from michigan.gov/taxes.
The onboarding and withholding forms employers and new hires in Grand Rapids and West Michigan need most.
After you file, both the IRS and Michigan Department of Treasury offer online refund trackers. E-filed federal refunds typically arrive within 21 days; Michigan e-filed refunds within 14 business days.
Check your federal refund status 24 hours after e-filing (or 4 weeks after mailing a paper return). You'll need your SSN, filing status, and exact refund amount.
Check Federal Refund Status →Track your Michigan refund through the Department of Treasury's eService portal. You'll need your SSN, AGI, and tax year.
Check Michigan Refund Status →Michigan-specific tax rules that come up most often for our Grand Rapids, MI clients.
Michigan has a flat individual income tax rate of 4.25% (2025 tax year). The rate adjusts slightly some years through statutory formula — the Michigan Department of Treasury publishes the current rate annually.
Michigan Income Tax Info →Michigan's elective Flow-Through Entity Tax allows S-corps and partnerships to pay state income tax at the entity level — creating a federal deduction that bypasses the $10K SALT cap. The election must be made annually and is generally favorable for higher-income owners.
PTET Information →Michigan's Homestead Property Tax Credit refunds a portion of property taxes (or rent) for qualifying residents based on household resources and property tax paid. Many Grand Rapids homeowners and renters qualify but don't claim it.
Homestead Credit Info →The City of Grand Rapids levies a local income tax (1.5% for residents, 0.75% for non-residents working in Grand Rapids). City returns are filed separately from federal and Michigan returns.
Grand Rapids City Tax →Michigan's sales tax is 6%. Businesses selling tangible goods or certain services in Michigan must register with the Department of Treasury and file periodic sales tax returns (monthly, quarterly, or annually depending on volume).
Sales Tax Registration →Employers in Michigan register with the Unemployment Insurance Agency and pay state unemployment tax (SUTA). Quarterly wage reports and tax payments are required for every business with W-2 employees.
Michigan UIA →This tax center gives you the official sources, deadlines, and checklists Grand Rapids, MI taxpayers need most. It's enough to handle a single W-2 with no complications. It's not enough when:
In those situations, working with a Grand Rapids CPA who knows Michigan tax law (and your specific situation) typically saves more than the fee. Book a free 15-minute call with Mindy to find out.
