Can you get access to the property in advance to verify the condition? 

This defers capital gains and depreciation recapture taxes on the sale of your fourplex.After converting it into your primary residence, you may qualify for the primary residence capital gains exclusion ($250K single/$500K married), but only for appreciation after the conversion; gains from the rental period remain taxable.

This is most of the depreciation you are taking year one.You can calculate your depreciation recapture by taking the sale price of the asset and subtracting the adjusted cost basis.The adjusted cost basis is what you paid for the asset plus any improvements you made along the way minus the depreciation you took along the way.The profit above this original cost is taxed as a capital gain, but the part linked to depreciation is taxed at a maximum rate of 25% under the unrecaptured gains of section 1250.To recap the tax rates are:- Sec. 1250 real property: 25%- Sec. 1245 property and 15 year 1250 property: Ordinary Tax RatesThere are ways to minimize depreciation recapture especially if you know how to work smart with your CPA.1) Asset Valuation at Time of Sale - Sellers can minimize recapture by reallocating the price of the assets on sale.

Selling at FMV avoids the gift tax but provides your child with a higher tax basis, reducing their future capital gains liability.A better strategy for selling below FMV is to sell the house at FMV on an installment note, then forgive interest and principal annually up to the gift tax exclusion amount.

Realtors should have access to that information as well.

Quote from @Jeff Roth: Hi Holly from Georgia-You own a rental in Colorado and you are looking to purchase a new primary residence and possibly use the equity in the rental for the downpayment.You have two options I am aware of with the rental to access the equity:1.

@Andrew Slezak Opportunity Zone (OZ) investing allows you to defer capital gains taxes (e.g., from crypto) by reinvesting the gains into a Qualified Opportunity Fund (QOF) within 180 days.

In that case, the GP, who was a cheating SOB, issued a K-1 allocating cap gains [§1231 gains] to my Client, who was a minority LP.  

Haverhill is another interesting area with reasonable home prices and a lot of municipal developments in the works (also the commuter rail and easy access to major highways).

It was also difficult to assess the heating situation after repairs since tenant refused to provide key to access unit for repairs and/emergencies, citing “privacy and safety” concerns.