AI listing photo laws skip the off-plan rendering

TL;DR

• American lawmakers have started regulating altered listing photos. California's AB 723 has applied since 1 January 2026, Wisconsin follows in 2027 and New York has a bill pending. A Coraly study found signs of alteration in nearly 11% of about 40,000 primary listing photos, and more than 90% of those carried no visible disclosure (HousingWire, 24/06/2026).
• Every one of these rules works by placing the original photo next to the edited one. An off-plan project has no original to show, because the whole image is a simulation, so the remedy never reaches the new-development market.
• The argument of this essay: the boilerplate "artist's impression" caption has lost its value as legal cover and as a sales tool at the same time. Developers selling what does not yet exist need images with collateral, where the piece itself separates what is in the contract from what is set dressing.

On 8 September 2026 The New York Times ran a story about fireplaces that do not exist. US listing portals are full of living rooms with invented fireplaces, improved views and landscaping painted in by software, and the problem has grown to the point where Zillow now publicly supports showing consumers the original photo alongside the altered one (RealEstateNews, 08/09/2026). The number behind the concern came from Coraly: in a sample of roughly 40,000 primary photos published in the first quarter of 2026 on Zillow, Redfin, Realtor.com and Homes.com, nearly 11% showed signs of digital alteration, and more than nine in ten of those had no disclosure at all (HousingWire, 24/06/2026).

It reads like a resale-agent problem. For anyone selling off-plan, in Miami, Dubai, London or São Paulo, it is an early warning about their own business.

Buyers have learned to distrust the photo

The regulatory response has been quick and procedural. California's AB 723, in force since 1 January 2026, requires brokers to flag every altered image and keep the original available with it. The law lists what counts as an alteration: fixtures, furniture, appliances, flooring, walls, paint, landscaping, facades, floor plans, views through windows and neighbouring properties. Cropping, exposure, sharpening and white balance remain allowed (Law Commentary, 10/09/2026). Wisconsin passed a similar rule, Act 69, which takes effect on 1 January 2027. In New York, Assembly Member Linda Rosenthal introduced bill A11635 in July, likely to be taken up when the legislature convenes in January (6sqft, 09/09/2026), and Mayor Zohran Mamdani announced a city rule for rental listings on 16 July (Fortune, 22/07/2026).

The urgency shows in the industry's own research: 81% of buyers name listing photos as the most important factor when evaluating a property, according to the NAR report the association cited on 13/02/2026.

The original-photo rule stops at the construction fence

All three rules assume a finished home that can be photographed, and they locate the deception in the gap between the photo and the house. The remedy is to show both versions side by side. None of the analyses reviewed for this piece addresses homes under construction or renderings of projects that have not broken ground.

In new development that gap is total, and declared from day one. The living-room rendering shows flooring that may be an upgrade option, a sofa that does not come with the unit, and a view computed from a drone at a height the fifth-floor apartment will never reach. There is no original to paste alongside. Under the AB 723 criteria, almost every element of a pre-sales rendering would count as an alteration, because all of it was built digitally.

The off-plan market settled this long ago with a line of small print: artist's impression, for illustrative purposes only.

A caption that protects little and sells less

That caption was never the shield legal teams assume. Consumer-protection regimes in many markets treat sufficiently specific advertising as part of the offer, and courts weigh case by case whether a rendering promised something or merely set a mood. The small print is one factor among several. Advertising regulators are moving too: in Brazil, the self-regulatory advertising council Conar said it intends to set out who in the production chain is responsible for AI-generated advertising (Valor Econômico, 16/07/2026).

The larger cost of the caption is commercial, and AI makes it grow. While a convincing rendering required a studio, weeks and a budget, image quality worked as a signal: developers who invested in serious visuals tended to be the ones delivering serious buildings. That signal is gone. Any developer can now generate in an afternoon a facade image that looks like the work of an award-winning studio, and buyers know it. Our piece on where directed 3D imagery supports the price, and where it discounts it covers the pricing side of the same shift.

With perfect images available to everyone, the generic caption reads as "trust nothing here". A high-end buyer who knows a rendering is a rendering applies the same discount of doubt to every launch. The developer who drew the image faithfully pays that discount, because it gets the same suspicion as the one who made things up.

The argument: images with collateral

Since no original photo exists, off-plan sales need a different instrument, which this essay calls the image with collateral: each rendering carries, inside the piece itself, the line between commitment and scenery. In practice that means three declared layers.

• Contract. Whatever is in the specification schedule is identified: finishes, window systems, ceiling height, amenity equipment. If it appears in the image and in the specification, the piece says so.
• Set dressing. Furniture, decor, art on the walls and objects are labelled as staging, without resorting to small print.
• Simulation. View, time-of-day light and landscaping state the conditions under which they were computed: the height the view was taken from, the age of the trees shown, what currently stands on the neighbouring plot.

The view deserves special attention, and it is no accident that California's law names it. In luxury projects the view is one of the attributes that separate floors and stacks on the price list. A rendering that shows the park without saying which floor sees it sells the fifteenth floor what only the twentieth gets, and that friction turns into cancellations or lawsuits after handover.

None of this requires new technology. It requires art direction that works with the specification schedule open on the desk. The same discipline matters for how AI engines read a project: publishing as text the facts that today live only inside an image is part of how a developer gets cited.

The objection, and why it fails

The strongest objection comes from sales teams: declaring what is staging cools the image down and hands ammunition to the competitor who declares nothing. In the short run, perhaps. But the argument assumes buyers still confuse a rendering with a promise, and last week's US coverage shows otherwise: consumer frustration with altered photos is already the starting point of the reporting (RealEstateNews, 08/09/2026). Suspicion arrived before the law did.

There is also a question of timing. California wrote the rule for resale listings into law in 2026, Wisconsin follows in 2027 and New York debates it in January. Developers who organise their imagery into contract, set dressing and simulation now get to choose the format. Those who wait will receive one drafted by people who have never run a launch. AI removed the only seal of seriousness a rendering had, its production cost, and the seal left is honesty declared inside the image.

Frequently asked questions

Does an "artist's impression" caption protect the developer?

Less than most legal teams assume. Consumer-protection law in many markets treats sufficiently specific advertising as part of the offer, and courts decide case by case whether an image set a mood or made a promise.

Does California's altered-photo law apply to off-plan renderings?

The analyses reviewed of AB 723, in force since 1 January 2026, deal with existing homes marketed by licensed agents and require the original photo alongside the altered one. None addresses renderings of unbuilt projects, precisely because no original exists there.

What changes in pre-sales image production under this approach?

Art direction works from the specification schedule, and each rendering ships with three declared layers: what is contract, what is set dressing and what is simulation, including the conditions under which the view and landscaping were computed.