The number of unused and abandoned vacant houses is high enough to impede efforts to stimulate communities.

It's simple! Change the law so that land is being utilized.

Yes but thats only out of cities... land prices in major cities havent been dropping, I reckon government should take over those after certain amount of time / level of abandonment and auction em at super low prices for organic farms and other humanly beneficial projects. I myself wouldnt mind at all having an out of city farm under super low tax an all

So many delinquent property owners in this country its crazy, millions of unsafe building all over the place!

If owners don't keep their properties in decent shape they should be warned, then fined, then confiscated & made to pay for repairs or demolishing.

Then put the lots on auction starting at Y1000, offer deals on getting water, etc hooked up, then $$ would start moving around & economic activity taking place, right now there is simple too much rot, rot rot!

Japan meet Detroit, Detroit Japan.

Some countries encourage owning a second home as a vacation home and it worked for them