Year-End Tax Prep Checklist for Electrical Contractors

Small electrical contractors need a clear, actionable checklist to ensure they are prepared for year-end tax filing in the US. For the bigger picture, see our guide to electrical contractor expense management software.

• Identify eligible expenses, such as business use of home, travel, and equipment, to claim on tax returns.
• Ensure all business records are accurate and up-to-date, including client information and payment receipts.
• Consider consulting with a tax professional or accountant to review financial statements and ensure all tax requirements are met.

Equipment Deduction

Year-End Tax Prep Checklist for Electrical Contractors

A. - Write down equipment purchases: Keep a record of all equipment purchases, including receipts and invoices. - Consult with an accountant: If you're unsure about equipment purchases or depreciation, consider consulting with an accountant or tax professional.

B. - Keep records: Keep a record of all expenses related to your home office, including receipts and invoices.

• Rent or mortgage interest on the home office space
• Property taxes on the home office space
• Insurance premiums for the home office space
• Utilities, such as electricity and gas, for the home office space
• Repairs and maintenance costs for the home office space
• Business use percentage of the home office space

Electrical contractors can also deduct home office expenses as part of their business expenses, including:

• Home office supplies and materials
• Travel expenses related to the home office space

Year-End Tax Prep Checklist for Electrical Contractors

• Equipment Deduction
• Determine which equipment is used for business purposes (e.g. testing, inspecting, or maintaining electrical systems)
• Keep records of the equipment's cost, including receipts, invoices, or bank statements
• Calculate the total cost of the equipment as of December 31, 2025

• Home Office Deduction
• Calculate the business use percentage of your home office space
• Keep records of the home office's square footage, windows, and other features
• Calculate the business use percentage based on the above records

• Business Expense Deductions
• Keep accurate records of all business expenses, including receipts, invoices, and bank statements
• Categorize expenses into business use categories (e.g. equipment, travel, supplies)
• Consider deducting home office expenses (if used for business purposes)

Home Office Deduction

• Calculate the square footage of the home office. • Determine if the home office is used regularly and exclusively for business. • Keep records of business use percentage and home office expenses. • Report the home office deduction on Schedule C (Form 1040).

Quarterly Estimated Tax Payments

• As a small electrical contractor, you are required to make quarterly estimated tax payments. • The due dates are: • April 15, 2026 • June 15, 2026 • September 15, 2026 • January 15, 2027 • You will receive a Form 1040-ES from the IRS for each quarter. • Calculate the required payment amount based on Form 1040-ES. • Make the required payment to avoid penalties and interest. • Keep records of all payments made.

Employer Requirements for 2026

As an electrical contractor, you are required to file Form 1099-MISC with the IRS by January 31st of each year if you paid more than $600 in miscellaneous income to an individual. You will need to provide this form to your employees and report the income on Schedule C (Form 1040).

The IRS also requires you to file Form 941 with the SSA by April 30th of each year if you have 100 or more employees. This form is used to report employee wages and benefits.

It is your responsibility as the business owner to ensure that you are meeting these requirements. You can use Form 941 to report your business's tax liability and to claim any tax credits or deductions that may be available to your business.

You should also review your business's withholding and payment practices to ensure that you are meeting your tax obligations. This includes ensuring that you are withholding and paying Social Security taxes and Medicare taxes on behalf of your employees.

Tax rules, limits and rates change. Confirm current figures with the IRS or your accountant before you file.