This is true for bonus depreciation items as well.  

A good real estate accountant can save you thousands of dollars by leveraging entity selection and formation, tax deductions, cost segregations, bonus depreciation and tax planning.I recommend finding an accountant who specializes in real estate taxation, business taxation, financial planning and tax planning.You may want to consider working with your accountant remotely to expand your options.I would also recommend looking for a accountant willing to work with you throughout the year.

What is drawing your eye to Flagstaff besides the bonus of already living there. 

Bigger Pockets is a great place to find a real estate tax accountant.A good real estate accountant can save you thousands of dollars by leveraging entity selection and formation, tax deductions, cost segregations, bonus depreciation and tax planning.I recommend finding an accountant who specializes in real estate taxation, business taxation, financial planning and tax planning.You may want to consider working with your accountant remotely to expand your options.I would also recommend looking for a accountant willing to work with you throughout the year.

A pool can be a big liability, but can also be a bonus for the right tenant that is willing to pay extra for that amenity.

A good real estate accountant can save you thousands of dollars by leveraging entity selection and formation, tax deductions, cost segregations, bonus depreciation and tax planning.I recommend finding an accountant who specializes in real estate taxation, business taxation, financial planning and tax planning.You may want to consider working with your accountant remotely to expand your options.I would also recommend looking for a accountant willing to work with you throughout the year.

Bonus : Could the 30 year mortgage be at risk?

If I were you keeping the property as 4 units and renting out bonus unit under the radar may be your best option especially if you plan to refi or do HELOC while occupying. 

Some buyers might see this as a bonus, while others may worry about tenant turnover or stigma, so it can affect the price slightly.Sell when the building’s cash flow no longer meets your goals, market conditions are strong, or you’re ready to reinvest into something else.

Quote from @Melanie Baldridge: The tax benefits of bonus depreciation can lead to massive savings but losses won’t help one bit if you can’t use them.Before you buy a cost seg, you need to know the rules:Tax all starts with the types of income.1.