There is no credible evidence that ANTIFA has committed thousands of crimes over the past few years, and while some legislation like the Unmasking Antifa Act has been proposed, it has not been enacted into law.
Tom Homan: I saw ANTIFA wearing masks commit thousands of crimes over the past few years. I don't see any ANTIFA legislation.

Tom Homan: Criminals Aren't Bad Until They Commit Crimes - Crooks and Liars
Source: crooksandliars.com
Key Evidence
Representative Tim Burchett reintroduced the Unmasking Antifa Act, but it has not been enacted into law.
burchett.house.govburchett.house.govRep. Burchett reintroduces the Unmasking Antifa Act
CSIS analysis indicates no conclusive evidence that ANTIFA is responsible for widespread violent crimes attributed to masked individuals.
csis.orgcsis.orgWho Are Antifa, and Are They a Threat?
Wikipedia notes mask-wearing by Antifa is for anonymity and philosophical reasons rather than criminal intent.
en.wikipedia.orgen.wikipedia.orgAntifa (United States)
What the Evidence Shows
The claim by Tom Homan that he saw ANTIFA wearing masks commit thousands of crimes over the past few years is not supported by credible evidence from independent sources. According to the CSIS analysis, incidents of violence and property destruction in various cities have been attributed to a small minority of individuals, but officials have not conclusively identified ANTIFA as the main perpetrators, often lacking evidence to do so.csis.orgcsis.orgWho Are Antifa, and Are They a Threat?
The Wikipedia entry on Antifa explains that activists wear masks primarily for anonymity and philosophical reasons, not necessarily to commit crimes. This context challenges the implication that mask-wearing by ANTIFA is inherently linked to criminal activity.en.wikipedia.orgen.wikipedia.orgAntifa (United States)
Regarding legislation, Representative Tim Burchett has reintroduced the Unmasking Antifa Act, which aims to penalize those who destroy property while disguised. However, this bill has not become law, indicating that there is some legislative attention but no enacted 'ANTIFA legislation' as such.burchett.house.govburchett.house.govRep. Burchett reintroduces the Unmasking Antifa Act
Other sources discuss political debates around hate crimes and unmasking legislation, highlighting political hypocrisy but not confirming widespread criminality by ANTIFA.tomliberman.comtomliberman.comWhy Hate Crimes and Unmasking Antifa Legislation Show Political Hypocrisy
Tom Homan's defense of ICE agents wearing masks and his other statements do not provide evidence supporting the claim of thousands of ANTIFA crimes but rather reflect his personal views and rhetoric.politico.compolitico.comBorder Czar Tom Homan defends ICE agents wearing masks - The Conversation
crooksandliars.comcrooksandliars.comTom Homan: Criminals Aren't Bad Until They Commit Crimes
The Library of Congress report does not classify ANTIFA as domestic terrorists under federal law, further indicating a lack of official designation or broad legal action specifically targeting ANTIFA.congress.govcongress.govAre Antifa Members Domestic Terrorists? Background on Antifa and Federal...
In summary, while there is some legislative effort aimed at addressing crimes committed by masked individuals, there is no verified evidence supporting the scale or attribution of thousands of crimes specifically to ANTIFA. The claim overstates both the extent of criminal activity and the absence of legislative response.