Back
Our Tax day Guide can hopefully help small business owners prepare for tax day and enjoy a smoother process with optimal results.
As the filing deadline approaches, many small business owners find themselves scrambling to finalize numbers, track down paperwork, and make sure they’re not leaving money on the table. This tax day guide is designed specifically for Maryland small businesses that need a practical, last-minute wrap-up before filing. Whether you’re a sole proprietor in Baltimore, an LLC in Rockville, or an S-corp on the Eastern Shore, this guide will help you identify key deductions, gather required documents, and file with confidence.
Why a Maryland-Focused Tax Day Guide Matters
Maryland businesses must account for:
- Maryland state income tax
- Pass-through entity (PTE) tax (if elected)
- Sales and use tax
- Employer withholding
- Local county income taxes
- Personal property tax filings
- Annual report filing with SDAT (Maryland Department of Assessments and Taxation)
Missing even one required document or deduction can cost you time, money, or penalties.
Let’s walk through what to review before you file.
Last-Minute Business Tax Deductions to Review
Before submitting your return, double-check these commonly overlooked deductions.
Home Office Deduction
If you operate from home in Maryland:
- Ensure the space is exclusively and regularly used for business.
- Choose between the simplified method or actual expense method.
- Include a portion of:
- Utilities
- Mortgage interest or rent
- Property taxes
- Insurance
Many small business owners forget to claim this, especially single-member LLCs.
Business Use of Vehicle
If you use your car for business:
- Confirm mileage logs are updated.
- Choose between:
- Standard mileage rate, or
- Actual expenses (gas, maintenance, insurance, depreciation).
Mileage adds up quickly — especially for contractors, consultants, and service providers.
Equipment & Section 179 Expensing
Did you purchase:
- Computers?
- Machinery?
- Office furniture?
- Business equipment?
Under Section 179 and bonus depreciation rules, you may deduct a significant portion (or all) of qualifying purchases placed into service during the tax year.
Don’t forget small equipment and software subscriptions.
Qualified Business Income (QBI) Deduction
Many Maryland small businesses structured as:
- Sole proprietorships
- Partnerships
- S-corporations
May qualify for the Section 199A QBI deduction, allowing up to a 20% deduction on qualified income.
Confirm:
- Income thresholds
- W-2 wage requirements (if applicable)
- Proper classification of guaranteed payments
This is one of the most powerful deductions available to small business owners.
Maryland Pass-Through Entity (PTE) Election
Maryland allows pass-through entities to elect to pay tax at the entity level.
If you made the PTE election:
- Verify payments were made.
- Confirm credits flow properly to owners.
- Ensure documentation is included with your filing.
This can significantly reduce federal tax liability due to SALT deduction limitations.
Payroll & Contractor Payments
Before filing:
- Confirm all W-2s and 1099-NECs were issued.
- Reconcile payroll tax filings (Form 941, 940).
- Verify Maryland withholding payments match state filings.
Unreconciled payroll discrepancies are a common red flag.
Documents Maryland Small Businesses Should Gather Before Filing
This part of your tax day guide is your practical checklist.
Financial Records
- Profit & Loss statement (year-end)
- Balance sheet
- General ledger
- Bank statements (all accounts)
- Credit card statements
- Loan statements
Make sure income matches deposits, and all expenses are categorized correctly.
Tax-Specific Documents
- Prior year tax return
- EIN confirmation letter
- Maryland PTE election documentation (if applicable)
- Sales tax filings (if you collect sales tax)
- Payroll reports
- 1099s received
- 1096 summary (if applicable)
Asset & Depreciation Records
- Equipment purchase receipts
- Vehicle purchase agreements
- Depreciation schedules from prior years
Without prior depreciation schedules, you risk misstating asset values.
Maryland-Specific Filings to Confirm
Before filing income tax returns, confirm:
- Annual Report and Personal Property Return submitted to SDAT
- Sales and Use Tax filings are current
- Employer withholding filings are up to date
- Local business licenses are renewed
Maryland is strict about compliance, and penalties accumulate quickly.
Reconcile Everything Before You Hit “File”
Last-minute rush filing leads to mistakes. Before submitting:
Match Income to 1099s
Ensure gross revenue matches what clients reported.
Review Owner Distributions
Make sure shareholder distributions are properly recorded.
Confirm Estimated Tax Payments
Double-check both:
- Federal estimated payments
- Maryland estimated payments
Missing credits is surprisingly common.
Verify Entity Classification
Make sure you are filing the correct form:
- Schedule C
- Form 1065
- Form 1120S
- Form 1120
Wrong classification = IRS letters later.
Common Last-Minute Mistakes Maryland Small Businesses Make
Avoid these:
- Forgetting to elect PTE tax
- Not separating personal and business expenses
- Missing depreciation carryovers
- Filing without reconciling payroll tax forms
- Ignoring local county obligations
- Forgetting about Maryland personal property tax
Even small errors can trigger audits or delay refunds.
Trust the Professionals at the Harding Group
Unlike other accounting firms, The Harding Group, located in Annapolis, MD, will never charge you for consultations and strive for open communication with our clients.
Are you interested in business advising, tax preparation, bookkeeping and accounting, payroll services, training + support for QuickBooks, or retirement planning? We have the necessary expertise and years of proven results to help.
We gladly serve clients in Annapolis, Anne Arundel County, Baltimore, Severna Park, and Columbia. If you are ready to take the stress out of tax time, contact us online or give us a call at (410) 573-9991 for a free consultation. Follow us on Facebook, Twitter, YouTube, and LinkedIn for more tax tips.