So I currently own one rental property I own and manage through an LLC where I am the sole proprietor.

Previously this would have been deductible, subject to limitation, on the taxpayer's Schedule A.A home office deduction for a sole proprietor and an owner of rentals whose rentals rise to the level of a trade or business, and has no other primary workplace most certainly remains deductible for the 2018 tax year.

After passing the examination the candidate can make an application, on payment of stamp duty, to the Chamber of Commerce, Industry, Trade and Agriculture within the Province in which they reside (or in which they have elected residence if they are a citizen of the EU), indicating the section or sections of the Roll in which they wish to be registered.To be able to operate autonomously as proprietor or partner etc. the registered estate agent must register their firm in the Company Register and must fulfill all the obligatory tax and welfare formalities.

If the LLC is truly disregarded (meaning it does not file a tax return and is taxed as a sole proprietor) then the LLC and account closed are considered to be one and the same for 1031 purposes. 

To use a business name all you have to do is register a DBA (doing business as) Many people own businesses as a Sole Proprietor, legally you and your business are the same.

If you are operating as a sole proprietor, the winning party could come after your personal assets for the balance.

You business is just a "Sole Proprietor" Bill's advice was right on

You get to deduct business expenses even if your business is set up as a sole proprietor.

@Shahriar Kiamanesh As @Hadi Komeyl mentioned, the LLC is a U.S.A. entity which lays partway between the Canadian Sole Proprietor and Private Corporation ... and sports many of the benefits of each.

Being a sole proprietor or an LLC or an S-Corp will not matter.