Layla Zulfa
As the digital transformation of the real estate industry accelerates, fueled by advancements in artificial intelligence and evolving consumer expectations, a growing chasm is emerging between the demand for data and the imperative for privacy. This conflict, primarily centered around the accessibility of listing information, is creating significant challenges for real estate professionals, particularly appraisers, and raising concerns about the long-term implications for market transparency and consumer trust. The core of the issue lies in the increasing tendency for homeowners and their agents to restrict access to property data, including interior photographs and listing histories, following a sale. This trend, driven by privacy anxieties and a desire to control a property’s digital footprint, is directly at odds with the data-intensive requirements now being placed upon real estate appraisers.
The roots of this growing tension can be traced back to the widespread adoption of digital platforms and the increasing sophistication of AI. As algorithms become more adept at analyzing vast datasets, the value of real estate data has surged, prompting both consumers and industry professionals to scrutinize its usage. For consumers, the concern often manifests as a desire to scrub personal information from public-facing real estate portals, leading to requests for the removal of listing photos and details once a property has been sold. This sentiment is echoed by some real estate brokerages and agents who are actively discouraging the input of listing data into large language models (LLMs) and are encouraging sellers to opt for private listings. The motivations behind these private sales are multifaceted, ranging from avoiding the accumulation of "days on market" metrics that could be perceived negatively to preventing a public record of price adjustments, which can be a sensitive point in negotiations and future sales.
While certain industry leaders and Multiple Listing Service (MLS) organizations have voiced opposition to practices like private listings or the outright blocking of listing data for AI training, arguing for the benefits of open data, the impact extends far beyond agents and brokers. Appraisers, who play a critical role in real estate transactions by providing objective property valuations, are finding their work increasingly hampered by this data scarcity. Their reliance on historical MLS data is fundamental to their ability to accurately assess property conditions and compare sales.
"Appraisers rely on historical MLS data to verify the condition and quality of comparable sales," explained Desiree Mehbod, a Virginia-based appraiser. "If a listing agent wipes out the interior photos and floor plans the second a house sells, we’re left flying blind. Private listing networks starve the open market of data transparency. When a property sells entirely off market or inside a private network, critical details like historical pricing adjustments, interior condition photos, and true exposure time are hidden. It creates a severe data scarcity." This sentiment is shared by many within the appraisal community, who view the current trajectory as a significant impediment to their professional duties.
The UAD 3.6 Mandate and the Growing Data Imperative
The challenge of data scarcity is particularly acute given the evolving regulatory landscape for appraisers. The Uniform Appraisal Dataset (UAD) version 3.6, scheduled to take effect on November 2, 2024, introduces a more stringent data collection and reporting requirement. Under UAD 3.6, appraisers are mandated to select specific data points from dropdown menus for virtually every feature of a property. This represents a significant shift from previous practices, which often allowed for more narrative descriptions.
"It requires us to collect and report a staggering amount of high-resolution interior data, structural metrics, and photographs," Mehbod elaborated, highlighting the increased burden. Without readily accessible listing photos or comprehensive data on comparable listings, appraisers face a daunting task in accurately valuing properties. The absence of visual evidence makes it difficult to corroborate descriptions of renovations or specific property features.
Ryan Lundquist, a Sacramento-based appraiser, echoed this concern. "Having access to more data means that everyone trying to value a property can make an informed decision," he stated. "The removal of listing photos is a growing problem and it makes it challenging to understand what someone means when they say a property has been remodeled, because was it remodeled in 1973 or 2023? Those are two very different things. I think both appraisers and agents have to consistently work to understand the quality and condition of a home, and sometimes you can simply look at photos to understand why one property sold for more than another." The ability to visually assess the quality of finishes, the condition of appliances, and the overall upkeep of a property through photos is an invaluable shortcut that is rapidly disappearing.
The Tangible Costs of Data Scarcity: Time and Money
The implications of this data restriction extend directly to the time and cost associated with the appraisal process. When interior photos are removed or when a significant portion of comparable sales are relegated to private networks, appraisers face considerable hurdles.
"If the appraiser is using the MLS as their course for sales data, which is quite common, if after the home is sold and the photos are hidden or a listing is private, it constrains their ability to describe the property if they are just using the MLS," observed Shawn Telford, Chief Valuation Officer at Cotality. He acknowledged that alternative data sources exist, but emphasized that the MLS has historically served as a primary and efficient conduit for such information.
Telford also drew a parallel to the early days of his career, when physical inspections of comparable properties were often necessary. While modern appraisers can still conduct these "drive-bys," the reliance on readily available online data has streamlined the process. The current trend towards data restriction risks reverting to a less efficient, more time-consuming model.
"The more information and data that are available to the appraiser, the better their analysis will be, so there could be a point where if you don’t have enough information, you may not be able to form a credible opinion," Telford warned. He stressed that while the MLS is fundamentally a marketing tool, appraisers must verify information from multiple sources, a task made more difficult by data concealment.
Frank Gregoire, a Florida-based appraiser, concurs that diligent appraisers will not solely rely on MLS or public records. "A diligent appraiser would be contacting the agents involved in the transaction of comparable homes," he stated. However, this process, while necessary for thoroughness, introduces significant time delays.
"The more information that is easily accessible to an appraiser, the more easily the appraiser can complete their work," Gregoire explained. "However, a diligent appraiser is not going to rely solely on information that is available from an MLS or in the public records. A diligent appraiser would be contacting the agents involved in the transaction of comparable homes." This necessity to chase down information directly impacts the appraisal fee. "I base my fee on how much time it takes to do an appraisal and complete the report, and if it takes more time because I have to chase down someone for information, I am going to charge more money," Gregoire said. Consequently, if private listings and hidden listing photos become the norm, homebuyers could face increased appraisal costs, exacerbating affordability challenges at a time when many are already struggling to enter the housing market.
MLSs Navigate the Data Dilemma
Recognizing the growing tension between consumer privacy and the operational needs of real estate professionals, many MLSs are proactively implementing solutions. These organizations are increasingly aware of the challenges posed by the removal of interior listing photos from public view after a sale. In response, several MLSs have begun to establish policies that restrict the syndication of interior photos of sold listings to real estate portals while retaining these images in internal databases. This approach aims to preserve critical data for authorized uses, such as appraisals, while still respecting homeowner privacy.
California Regional MLS (CRMLS), Canopy MLS, and Flexmls are among the organizations that have introduced measures such as privacy policies for off-market listings and media privacy controls to manage the visibility of photos for sold properties.
A spokesperson for the Council of MLSs (CMLS) articulated a vision where consumer privacy and the needs of appraisers are not mutually exclusive. "Consumer privacy and the needs of appraisers don’t necessarily have to be competing priorities. MLSs can establish policies that limit the public display of interior listing photos after a property sells while preserving those images in historical MLS records for authorized uses, including appraisals," the spokesperson told HousingWire. "Historical listing photos provide valuable information about a property’s condition and characteristics at the time of sale. Removing them entirely could eliminate information appraisers and other real estate professionals rely on." The CMLS is actively developing Best Practices guidance to help MLSs strike this delicate balance.
The Unintended Consequences of Excessive Privacy
While acknowledging the legitimate need for some sellers to maintain privacy, Ryan Lundquist expresses concern about the broader implications if private sales become the dominant mode of transaction. "I view this as a step backwards to a time where there was a greater lack of transparency," he stated. "I think, of course, some sellers don’t want as much information on the MLS, and there are mechanisms in place to control that, but what we don’t want to see is the entire marketplace move that way where we cannot see a substantial portion of the listings or where we can’t see the photos or know the days on market."
Lundquist perceives a fundamental disconnect between the appraisal sector’s increasing demand for granular data and the real estate market’s trend towards data insulation. "There is this need for more information in the appraisal community, especially with the new forms, but then there is this wave where listings are becoming less transparent on the MLS system, and I don’t view that as a good move," he asserted. "It seems out of sync with the way the appraisal space is moving."
The ramifications of this growing data opacity could extend beyond the immediate challenges faced by appraisers. Desiree Mehbod warns of potentially significant consequences for public trust in the real estate market. "The industry cannot demand absolute, data-driven precision from appraisers while simultaneously applauding the deletion of the data required to achieve it," she stated emphatically. "This isn’t just an appraiser problem; it’s a massive consumer problem that directly threatens public trust. Ultimately, homeowners will still be forced to hand over the keys and let us in if they want the loan to close or the sale to go through. However, forcing their hand creates massive animosity right at the front door. It positions the appraiser as a forced data collector rather than an independent expert." This dynamic risks eroding the collaborative spirit essential for smooth real estate transactions and could ultimately undermine the perceived fairness and accuracy of property valuations for all parties involved. The ongoing debate underscores the critical need for a sustainable data governance framework that balances privacy rights with the fundamental requirements of market transparency and professional accuracy.
