This area in general is following IPO Tech boom and Nasdaq volatility, If nasdaq is reaching ATM new set millionaire is added and supply o less than 8 S per zip code is taken pretty quickly. 

I've been riding around neighborhoods in my city and collecting a list of homes with code violations.

Investor X sells the property in Vail and all of the depreciation stank from the 1031 magically dissolves itself under the 121 code, thus allowing him to end the trail that would normally go to a stepped up basis upon his death.  

Check your local Municipal Codes & Ordinances.

It may guide tenant behaviors, but the ultimate responsibility is yours.We don't have inspections (except for section 8) Code enforcement may cite someone in this area for not cutting grass or a porch falling in.

The one major difference is Mount Vernon you have the taxes eat away at most of the profit you get and any multi family higher than a duplex is most of the time not profitable.Yonkers taxes are extremely reasonable and lots of value add in zip code 10701.Now, to answer your questions:-Is there a reason that a bunch of multifamily properties have appeared on the market recently?

@Patrick Liska The subtle point I was bringing about was that this work really must be conducted by experts, who specialize not only in the engineering of buildings, but also the specialized tax code.

It is not illegal to claim the entire homestead, unless there is a specific law regarding allocating the use then you are indeed residing on your property....if they say there is a rule/code, ask to see it and read it yourself.

Do you happen to have a general area like zip codes or major streets.

IRC Sec 469 is more a "timing" code section and less a code section specifying what is or is not deductible.In a nutshell, if the activity:Rises to the level of a trade or business, potential home office deduction.Is a mere investment, no home office deduction.Best of luck.