Keep or trade up multiple units

[Jane Dang]

I have a rental SFH, renting out $3500/month. It will be paid off in six months. The zillow estimate is 1M. I have been taking depreciation on this rental property for 20 years. I bought it 22 years ago $200k. Should I continue renting it and collect $3500/month or doing 1031 exchange to get multiple units as I will get a decent amount of equity after 6 month when the mortgage is paid off.

Appreciate your advice very much.

thanks 

Jane