I noticed your post says you live in France, if you're an American citizen living in France you can disregard this. However, if your a citizen of any other country outside of the US and you're considering or in need of a mortgage on the condo's you may want to be sure your lender has a program for to suite your needs.
Many lenders don't have a program for or work with loans for non citizens also known Foreign national mortgages. If you're in need of such help you can reach me through my site at http://www.mortgagelendingman.com
Here are more facts that may be of value to you or others on this thread in regards to Foreign National Mortgages.
Standard Mortgage Definition of a Foreign National
A foreign national is a legal resident or citizen of another nation.
They buy a second home or a vacation home here in the U.S. for personal use.
The foreign national lives in the US property only on a short-term basis.
He or she could be here on business, or while on vacation or holiday.
Foreign nationals primarily have income, employment, credit, and residency in a country other than the US.
But a Foreign National Can Also Be:
A foreign buyer who is purchasing investment property to rent out or lease.
A buyer purchasing commercial property such as hotels, office buildings, apartment buildings or warehouses
A borrower with an ITIN (Individual Taxpayer Identification Number)
Someone with a certain class of work visa, other than the B-1/B-2 visitor visa.
US citizens who work abroad and earn income overseas.