Real bill currently in Congress  c/o  HR/119/10110

Housing Price Transparency Act

Policy area: Housing and Community Development ▲ 18 days since action Sponsor: Kathy Castor, FL-14, D → Congress.gov

Latest action (2026-08-17): Referred to the House Committee on Energy and Commerce.

The Framers

“Founders’ Verdict”

UNCONSTITUTIONAL

Confidence 0.60

Synthesis

The Housing Price Transparency Act exceeds Congress's enumerated powers under the Commerce Clause and violates the Tenth Amendment by regulating local housing transactions that are not clearly within interstate commerce, thereby intruding on state sovereignty over property and contract law.

Hamilton YES

The Housing Price Transparency Act falls within the constitutional authority of Congress under the Commerce Clause, as housing prices and transactions substantially affect interstate commerce. The national housing market is interconnected across state lines, and transparency in pricing facilitates the free flow of commerce by reducing information asymmetries. The Necessary and Proper Clause further empowers Congress to enact measures that are appropriate and plainly adapted to the regulation of interstate commerce. As argued in Federalist No. 23, the federal government must possess powers comm…

Article I, Section 8, Clause 3 Federalist No. 23
Jefferson NO

The Housing Price Transparency Act exceeds the limited powers delegated to Congress by the Constitution. The regulation of housing prices and their disclosure is a matter of local property and commerce, not interstate commerce as strictly defined. The Tenth Amendment reserves such powers to the states or the people. Furthermore, compelling the disclosure of private financial information may infringe upon the property rights protected by the Fifth Amendment. The federal government has no enumerated authority to intrude into this domain.

Amendment X Amendment V
Madison NO

This bill, by requiring price transparency in housing transactions, would likely exceed the enumerated powers of Congress. The Constitution grants Congress only specific, limited powers (Article I, Section 8). While the Commerce Clause permits regulation of interstate commerce, housing transactions are primarily local in nature and not clearly within that sphere. Moreover, such a mandate would intrude upon the police powers reserved to the states under the Tenth Amendment, as property and contract law have traditionally been state domains. The Federalist Papers, particularly No. 45, warn again…

Article I, Section 8 Tenth Amendment Federalist No. 45
Marshall CONDITIONAL

The Constitution vests in Congress the power to regulate commerce among the several states. A statute requiring transparency in housing prices may be a valid exercise of this power if it pertains to transactions that substantially affect interstate commerce. However, the mere labeling of a subject as 'housing' does not automatically bring it within federal jurisdiction. The Court must inquire whether the regulated activity, in the aggregate, has a direct and substantial relation to interstate commerce. If the act applies solely to purely intrastate, local housing transactions that do not cross…

Article I, Section 8, Clause 3 (Commerce Clause) Gibbons v. Ogden, 22 U.S. 1 (1824)

What should pass

“AI Consensus Solution”

Read full document →

Interstate Real Estate Data Sharing Compact Act

To increase transparency in residential real estate transactions by requiring sellers and agents to disclose pricing data to a federal database, aiming to reduce information asymmetry and prevent price discrimination.

Bipartisan rationale: Honors Democratic priorities: increases housing price transparency to help consumers and reduce discrimination. Honors Republican priorities: respects state sovereignty, avoids federal mandates, uses voluntary compacts, and funds through user fees rather than taxes.

Funding: User fees on commercial data aggregators a Not to exceed $5 million annua Sunset 10y Oversight: Government Accountability Offi Enforcement: Civil penalties under 18 U.S.C. § 10

Vote-count path: ~280 House votes: 180 Democrats + 100 Republicans from federalism and oversight caucuses; ~65 Senate votes: 50 Democrats + 15 Republicans from states' rights and fiscal conservative blocs.

→ Article I, Section 8, Clause 3 (Commerce Clause – limited to interstate commerce) → Tenth Amendment (reserving powers to states) → Article I, Section 8, Clause 1 (Spending Clause – voluntary participation) → Article I, Section 8, Clause 18 (Necessary and Proper Clause – only for federal clearinghouse)

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