I bought a foreclosure in 2009 (sold for 475 in 2006, had some renovations/granite, foreclosed, bought for 255k in 09, worth about 400k now with ~40k of gross rental income) in Reston that was a 4 br 3 ba.

Most will also tell you they wished they never sold a house.  

Your partner would need to purchase at least 2.7 mil in real estate using 1.8 mil in real estate.Your scenario anticipates that you would take out the same amount of debt but purchase less than what you sold. 

[In order to get another conventional Refi loan for all your $56K cost, (allowing that your lender might only loan you 70% of their valuation), sold comps would need to be in the $80k range].

Then you can use Zillow in most areas (but not all areas) to see what year the house was last sold and for how much.

They are calling blockchain the "2nd internet" and in my opinion everyone should expose themselves to cryptocurrencies At least with what they can comfortably afford to looseCheck out an article I just wrote on Crypto and accepting a down payment in Crypto on a property I sold - https://www.biggerpockets.com/renewsblog/sold-prop...Also, here is another article I wrote on Blockchain - https://www.inman.com/2018/05/01/why-you-need-to-j...Much success

The house did lack luxuries that other homes had that sold for $200k – $220k.

The property has not sold and I am risk of default. 

Sold for 75k under asking, which is ridiculous in the Bay area.

We sold in CA and bought in AZ but live in CO.