It is surprisingly difficult to find good real estate and development information about a market that you're not familiar with. So I was pretty excited when I came across this map of every development project in Grand Paris (Greater Paris) created by Arthur Weidmann.

It's in Google My Maps and what he has done is pin every project according to status: under construction, under renovation, approved, proposed, and recently delivered. For each pin, you'll also find information like the expected completion date, the use(s), the area, the architect(s), and photos. It is unbelievably detailed and, according to Google, it was last updated 8 hours ago.

Here's the full map with all statuses shown:

And here's what it looks like if you filter by only projects under construction:

It's interesting, but not surprising, to note that the majority of construction projects seem to be taking place outside the boundaries of Paris proper. However, if you alternate to projects under renovation, it more or less flips, with most of the projects being within Paris:

This tells you something about the city.

Sometimes when I'm looking at or for information like this, I think to myself that I must be in the minority of people who are interested in tracking development projects with this level of detail. So I find it interesting that this map has been viewed nearly 300,000 times. Clearly, I'm not actually alone.