NO, mortgages there for non-resident foreigners are non-existent. Even a private deal is VERY rare that a Porteño allow you to finance. Since the judicial system there is NON-FUNCTIONAL and the tenant laws are very difficult to get someone out once they are living in a property, 100% cash transactions are the norm.
I'm not sure where you're getting this information that non-residents can leverage with loans down there but whoever told you that doesn't understand the system down there. What someone else mentioned about putting down a down payment and making payments and then a balloon payment when it's done is only applicable to new construction properties. Even then it's not leveraging (borrowing funds). You're just spreading out payments of your own funds until the property is finished. And keep in mind on new constructions they ALWAYS are late. Typically at least a year past when they say it's going to be done. Sometimes longer.
On some high-rise properties that I purchased in Buenos Aires it was as late as almost 2 years after they originally said it would be done.
The only ways that I've seen foreigners "leverage" and buy down there is taking out loans in the USA or their home country via cash out refinance of a property they already own in the USA that they have equity in. Home equity line of credit. Or transferring retirement funds into a self-directed IRA and then setting up an LLC to purchase properties down there.
Honestly, if you can't afford to buy a property outright in Argentina, I don't believe leveraging is a good idea. Nothing is really easy in Argentina. Not efficient, tons of red tape, no working judicial system.
On a self-directed IRA, you're not really leveraging your money. You're just using existing retirement funds to purchase. However, I'd argue that there are a LOT better real estate investments out there in other countries. However, some people really just love Buenos Aires and want to spend a considerable amount of time there, have family there or other reasons. But as an investment property it's not a great investment.
If you think you can easily Airbnb it and make a lot of money you're wrong. Previously yes it was easy but the market is flooded with tons and tons of properties. Property managers are mostly horrible and many out right con artists. Utilities can be a pain to deal with (cable, internet, gas, etc). Unless you have a larger, special or unique property with little competition the rental yields aren't great.
How do Argentinians afford homes if the average income is $1000-$1500 a month?
The 'typical' Argentine isn't buying real estate at these prices. You have to remember that although Buenos Aires metropolitan area has about 13.5 million people, there are only about 3 million people in the Capital (Recoleta, Palermo, Barrio Norte, Belgrano, Puerto Madero, San Telmo, etc). The vast majority of people out of the 13.5 million are poor or very low income. Take the 3 million people. Say 10% of those people are wealthy. That's 300,000 people with vast amounts of money. Some of it generational wealth.
I personally know many many friends that don't really work. Their families have vast amounts of money and they have never really held a real job. Their families own vast real estate portfolios so they, their siblings, their family all live in properties that were inherited or purchased for them. The one thing that all wealthy locals have in common is they almost ALL own several properties and most of those in Buenos Aires.
The wealthy outside of Buenos Aires in other parts of Argentina still come back and mostly invest in the Capital instead of investing in their backyard. Add in the fact that the banking system is broken, they can't trust the government and most people just stick their cash into real estate. You have to remember that previously many Argentines hid their funds offshore outside of Argentina but many governments and banks these days share information with many countries so the concept of hidden "off shore" banks these days don't really exist to the extend they used to.
So many wealthy locals would rather just invest in real estate in Buenos Aires vs. putting it under their mattress. Add in some foreigners (not as much buying from them as before but it still is a good amount of sales each year).
You can't think that the typical Argentine is buying at these prices. It's not the typical Argentine.
I would agree with others that real estate is expensive in Buenos Aires. But then again I'd argue that it's expensive in many parts of the USA right now as well. And the biggest difference is in the USA it's mostly all leveraged money. You have this horrible situation where banks are back to giving almost no money down loans. I heard about some places that are only requiring 1% down and allowing FHA loans. In Argentina at least it's almost all 100% cash and no debt. Sure, they started giving out loans in the last few years but it was still with huge down payments and it's a very small percentage of the overall owners that bought with 100% cash.
I'm not saying that justifies the prices because I don't believe it does. But at least that part of the market is true as people are buying with cash not leveraged debt.