Yes, if you use your home office “exclusively and regularly” for your business you may take the home office deduction. The office also has to be your principal place of business or a place you meet regularly with clients or patients.
Can I take the home office deduction?
What does "Regular and Exclusive Use" mean?
What qualifies as "Principal Place of Business" for the home office deduction?
Where do I enter the home office deduction for my business?
There are two methods for the home office deduction; the simplified method and the actual cost method. You can determine which is the best outcome for your tax situation.
https://www.irs.gov/businesses/small-businesses-self-employed/faqs-simplified-method-for-home-office...
You can calculate the portion based on the home office square footage compared to the total square footage.
For your phone service and WIFI service, you can come up with a business use percentage. Keep a note of how you derived to your business usage.
Hope you find this information helpful!
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