Large investors that control at least 350 single-family homes would be barred from buying more homes beginning January 7, 2027, under proposed Treasury rules announced October 22. The ban itself comes from a federal housing law, and the Treasury proposal fills in who counts as a large investor and which purchases still go through. None of the rules are final.
Treasury Secretary Scott Bessent said the department is “working to ensure American families and workers have a fair shot at purchasing homes in their communities.” The proposal implements Section 1001 of the 21st Century ROAD to Housing Act and writes into regulation requirements from Executive Order 14376, titled “Stopping Wall Street from Competing with Main Street Homebuyers.”
Which investors the 350-home line catches
Treasury’s announcement says the law defines a large institutional investor by several factors, including whether the entity is in the business of investing in, owning, renting, managing or holding single-family homes. One key test is whether the entity has direct or indirect investment control over at least 350 such homes.
People selling a home, or bidding on one next year, mainly need to know whether a covered investor could be on the other side of the deal. The test counts homes controlled, not dollars spent and not purchases made, so an individual landlord with a few rentals is not what the 350-home line describes. The restriction binds the investor doing the buying, not the seller.
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Treasury also proposes to clarify that being “in the business of” investing in or owning homes means doing so for income or financial gain, not incidentally to another business. A separate definition covers passive investors, which share no directors or officers with the home-owning entity and hold no property control right over the underlying homes.
Under proposed Section 36.2, a property control right is a consent, approval, veto or other right that gives the ability to make, direct or prevent another entity’s decisions about buying, selling, holding, leasing, renovating or managing single-family homes. An investor’s right to reduce or liquidate its own investment would not count as one.
What the January 7 start date rests on
The January 7, 2027 start does not come from Treasury’s proposal. The law’s requirements take effect 180 days after its enactment on July 11, 2026, which lands on that date, so the proposed rules would explain a ban that is already scheduled rather than set its beginning.
Once the date arrives, a covered investor generally may not purchase a single-family home, or sign a contract to purchase one, unless the deal is an excepted purchase. The law sets civil penalties of up to the greater of $1 million or three times the purchase price of the property.
Proposed Section 36.17 adds a calculation detail. When one prohibited purchase involves more than one large institutional investor, the whole deal would count as a single violation for penalty purposes, which keeps a joint purchase from multiplying the maximum penalty by the number of investors involved.
Executive Order 14376, the order whose requirements the proposal codifies, is a January presidential action separate from the October 22 order on housing costs, Executive Order 14438, which deals with mortgage insurance and title insurance rather than investor purchases.
Purchases that would still be allowed
Build-to-rent purchases are excepted under proposed Section 36.5 when the homes are newly constructed, never owner-occupied, bought within 18 months of the certificate of occupancy and first occupied by renters after the purchase. Those are homes no family has lived in as owners.
Renovate-to-rent purchases are excepted under Section 36.6 when the home falls short of local building-code standards for structure or core systems at purchase and the investor puts in improvements worth at least 15 percent of the purchase price. Treasury proposes a safe harbor at 10 percent for structural improvements.
Two more categories cover homeownership programs and programs meant to boost homeownership, each with its own tests for renters. Deals that satisfy previously contracted debts, handle loss mitigation or servicing duties, or buy from another large institutional investor are covered in Sections 36.9 through 36.11.
Treasury’s outline of the proposal says the homeownership-program rules include safe harbors for investors that give a renter meaningful financial support toward buying the home. That is the route that involves renters directly, and it is the subject of a separate part of the same proposal.
What stays open until Treasury finalizes the rules
Treasury says comments are due 30 days after publication in the Federal Register. The filing is document 2026-21675, scheduled for publication October 23, 2026, under docket TREAS-DO-2026-0529 and RIN 1505-AC96. No final rule has been issued.
Because the proposal is open to comment, the details above, including the passive-investor definition and the exception tests, could change before they are final. The 350-home line comes from the law’s own definition as Treasury describes it, and the start date is set by the statute’s 180-day clock.
The practical change for home sellers is narrow and conditional. From January 7, 2027, firms past the 350-home line would need a build-to-rent, renovate-to-rent or homeownership route to buy at all, and whether the final rules keep those routes as drawn is what comment letters and Treasury’s next notice will settle.
Would fewer investor bids change plans for the house?
If a sale or a purchase is planned for 2027, the buyer pool is one variable, and a rule still in draft form can shift before January 7. Homeowners 60 and older who list a house usually face a longer list of costs than a bidder count: insurance, taxes and what the sale does to the tax bill.
Cut Your House Costs is an 11-page guide that includes a market-condition checklist and a list of what to watch before listing or buying. It also carries a home-cost audit worksheet, so a household can see its own numbers beside whatever the final investor rule turns out to be.
Get the market-condition checklist and the home-cost audit worksheet →
This article was produced with AI assistance and edited for accuracy against the sources linked above.
