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California · Intent is not the test

When AI alters a property you did not ask it to

Virtual staging is a change you chose, bounded, and can describe. A hallucinated structural change is one the model made on its own, which you may not notice and cannot describe. California’s definition of a digitally altered image does not distinguish between them.

Is an accidental AI change still a “digitally altered image” in California?

On the statute's text, yes. Business and Professions Code § 10140.8(b)(1) defines a digitally altered image by what was done to the image — altered through photo editing software or artificial intelligence to add, remove, or change elements — not by whether the change was intended. An image created at a licensee's direction that comes back with a window moved is inside the definition. Intent does matter one level down: § 10185's misdemeanor reaches only a willful violation, so an unnoticed hallucination is not a crime. It is still an undisclosed alteration and, if a buyer relied on it, a misrepresentation problem.

Two different problems that get called the same thing

Deliberate virtual staging

You asked for furniture in an empty room. You know what changed, you can describe it in a caption, and the change is confined to things that were never going to convey anyway. This is the case the disclosure regime was designed for and it is entirely manageable: label it, link the original, done.

Accidental structural alteration

You asked for furniture and the model also widened a window, dropped a door, or rebuilt the ceiling line. Nobody wrote it down because nobody saw it. It is still inside the statutory definition, it is undisclosed, and it misstates a permanent feature of the property — the category of error buyers actually sue over.

What generative models change without being asked

These are the failure modes that matter in California, because most of them land on an element § 10140.8(b)(1) names by hand.

  • Moving, resizing, adding, or deleting a window

    Windows are a permanent feature and a driver of value. The change is inside the § 10140.8(b)(1) definition as a change to an element of the image, and a buyer who toured expecting the light they saw has a misrepresentation grievance independent of the statute.

  • Removing or relocating a doorway

    Circulation and room access are structural. An agent reviewing a staged photo for furniture style will routinely miss a door that is no longer there.

  • Altering ceiling height, pitch, or beam geometry

    One of the least noticeable and most consequential hallucinations. It changes the perceived volume of the room without changing anything a reviewer is looking for.

  • Re-rendering permanent fixtures — cabinetry, countertops, built-ins

    “Fixtures” is named in the statutory definition. It is also the classic case of a buyer arriving to find laminate where the photo showed stone.

  • Inventing a view through a window

    “Views through windows” is named in § 10140.8(b)(1). A model asked for a bright living room will happily produce an ocean the property does not have.

  • Changing or generating landscaping and hardscape

    Both are named in the definition, and CRMLS separately says not to publish landscaping the seller will not deliver at the listed price — disclosed or not.

  • Removing neighboring structures, poles, or lines from the frame

    The definition expressly reaches elements outside of, or visible from, the property, naming utility poles, streetlights, and neighboring properties. A model cleaning up a “distracting” background is performing a covered alteration.

  • Changing the represented condition of the property

    Smoothing a cracked wall or drying a stained ceiling changes the representation of the property, so the common-adjustments carve-out does not reach it — and concealing a material defect is a problem well beyond this statute.

Not every hallucination is a violation

Worth being exact, because the opposite claim is easy to make and wrong. § 10140.8 is a disclosure statute. If an image is disclosed as altered and the original is reachable, a reader can see for themselves what changed — which is the whole mechanism the Legislature chose. A hallucination inside a properly disclosed image is not, by itself, a violation of the disclosure duty.

What it can still be: a misrepresentation of the property if a buyer relies on it, a breach of an MLS rule that bars altering a real part of the property, and a supervision problem for the responsible broker. The DRE’s position, stated in its 2026-03-17 advisory, is that responsibility for what an AI tool produces rests with the licensee and their responsible broker rather than the technology provider — so “the model did it” is not an answer.

How to catch it

  • Compare against the original, not against your memory. Side by side, at full size. Structural drift is nearly invisible in a thumbnail and obvious in a pair.
  • Check the boundaries, not the furniture. Window count and position, door openings, ceiling line, cabinet runs, floor-to-wall junctions. The furniture is the part you asked for; the boundaries are the part that drifts.
  • Look out the windows. An invented view is both a named element in the statute and a priced feature. It is the single highest-consequence hallucination in this product category.
  • Prefer a tool that constrains the model rather than one that asks it nicely. A general-purpose image model has no concept of a load-bearing wall. Whether a tool enforces structural constraints is a question worth asking any vendor directly.

Related questions

What counts as a digitally altered image under California law?

Business and Professions Code § 10140.8(b)(1) defines it as an image created by or at the direction of the broker, salesperson, or person acting on their behalf that has been altered using photo editing software or artificial intelligence to add, remove, or change elements. The statute names fixtures, furniture, appliances, flooring, walls, paint color, hardscape, landscape, facade, floor plans, and elements outside of or visible from the property including streetlights, utility poles, views through windows, and neighboring properties.

Can you improve the view through a window in a California listing photo?

Only as a disclosed alteration, and it is a poor idea. “Views through windows” is named in Business and Professions Code § 10140.8(b)(1), so changing one produces a digitally altered image requiring disclosure and the original. A fabricated view is also among the most direct routes to a misrepresentation claim, because a view is a priced feature a buyer cannot verify from the listing.

Can a California agent use ChatGPT or Gemini to edit listing photos?

No California law bars a particular AI tool. Two obligations follow the agent regardless of the tool: Business and Professions Code § 10140.8 requires disclosure of the altered image plus access to the original, and the California Department of Real Estate’s March 17, 2026 advisory places responsibility for AI output on the licensee and their responsible broker rather than the technology provider. The practical difficulty with general-purpose image models is that they change structural features — windows, doors, ceiling geometry — without being asked, producing covered alterations the agent did not intend and may not notice.

What RELTO does about this

RELTO’s staging pipeline analyses the room’s structure before generation and constrains the model against moving walls, windows and doors, then validates the output against the original for structural drift. It is built for exactly the failure described on this page. Two honest limits: it reduces the risk rather than eliminating it, and it does not remove your obligation to look at the result before you publish it. Every generation keeps the unaltered original alongside the staged version so the comparison is one click away.

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