There are some tax deductions that are specific to plumbers that you may be able to take advantage of.
You can deduct the cost of work clothes and uniforms that are required for your job as a plumber and that are not suitable for everyday wear.
You can deduct the cost of safety equipment that is required for your job, such as hard hats, safety glasses, and steel-toed boots.
You can deduct the cost of renting tools and equipment that are necessary for your plumbing work.
You can deduct the cost of licenses and certifications required to work as a plumber, such as a plumbing license or a backflow prevention certification.
You can deduct the cost of continuing education courses that are required to maintain your plumbing license or that improve your skills and knowledge as a plumber.
You can deduct travel expenses related to your plumbing work, such as transportation, lodging, and meals, if you travel away from your tax home on business.