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A 2024 White House investigation found that rental units priced with algorithmic software, like that from RealPage, cost tenants $136 more per month on average than those priced without it. This practice, used by over 45% of Denver apartment buildings, is at the heart of Colorado's proposed House Bill 1004, which seeks to ban such technology from setting or recommending rents. This article explains how this software works, the legislative response, and what it means for the Denver rental market.
Algorithmic pricing software uses complex algorithms and vast datasets to automatically recommend or set rental prices for apartments. In the Denver area, this technology is predominantly supplied by a company called RealPage. The core concern among housing advocates, as highlighted in a 2024 White House report, is that the software may be artificially inflating rents beyond what pure supply and demand would dictate. By analyzing data from thousands of properties that use the same system, the software can effectively reduce price competition between large landlords, who might otherwise undercut each other to attract tenants.
House Bill 1004 is proposed legislation in Colorado that would prohibit landlords from using software to establish or recommend rental prices or occupancy levels. The bill is framed as both an antitrust and a tenant rights measure. Its primary goal is to restore price competition among housing providers. As Democratic Representative Steven Woodrow stated during the bill's debate, "We need competitors to compete, especially on critical terms like price." The bill directly targets the centralized, data-driven pricing models that critics argue lead to market-wide rent inflation.
Yes, the use of this technology is under significant legal and regulatory scrutiny. RealPage is currently facing a major antitrust lawsuit filed by the U.S. Department of Justice and the attorneys general of eight states. The lawsuit alleges that the company's software facilitates anti-competitive practices on a national scale, essentially creating a form of digital collusion. Internal comments from a 2022 ProPublica investigation, such as a statement from a RealPage executive acknowledging the software's role in driving double-digit rent increases, have fueled these legal challenges.
The debate centers on market efficiency versus fair competition.
The table below summarizes the key differences in perspectives:
| Perspective | Argument on Algorithmic Pricing |
|---|---|
| Software Critics | Drives rents higher than market conditions, reduces competition, lacks transparency. |
| Software Proponents | Efficiently responds to market data, provides operational stability for landlords. |
HB 1004 is now headed to the Colorado Senate, where its future is uncertain after a similar bill failed last year. However, lawmakers express more optimism this session. The outcome in Colorado is being watched closely, as it could set a precedent for how other states address the intersection of technology, housing affordability, and fair competition.
For Denver renters, the key takeaways are:
The debate over RealPage is about more than software; it's a question of who shapes the housing market and whether the power to maximize profit should be delegated to algorithms.









