Elon Musk's The Boring Company is in talks to raise approximately $4 billion in new funding at a valuation of about $20 billion, according to unnamed sources cited by The Wall Street Journal. The WSJ reports that the deal has not closed and the terms could change.

The funding talks were surfaced by the Journal under the headline "Elon Musk's Boring Company Eyes $20 Billion Valuation in New Funding Round." TechCrunch, in an In Brief post by Anthony Ha published July 25, 2026, attributed the story to the WSJ, and Reuters corroborated the figures with its own headline: "Musk's Boring Company seeks funding at $20 billion valuation, WSJ says." Both outlets cite the same underlying Journal reporting.

If the round closes at the discussed terms, the valuation would represent a roughly 3.5x increase over the company's last marked figure. The Boring Company's previous valuation was $5.7 billion, set during its Series C round in 2022, which raised $675 million and was announced by the company on April 20 of that year.

Founded in 2016 and spun out of SpaceX in 2018, The Boring Company has spent the intervening years working to commercialize urban tunneling. Its most developed project is a network of tunnels under Las Vegas, through which Tesla vehicles shuttle passengers between stations. The company has also announced plans to build tunnel networks in Nashville and Dubai, and according to the WSJ, has pitched projects in Baltimore, Chicago, and Los Angeles.

The scale of the proposed raise, $4 billion, is notable for a company whose deployed footprint remains limited. The Las Vegas system, while operational, is the only project the company has delivered at production scale. The Nashville and Dubai expansions are announced but not yet built out, and the Baltimore, Chicago, and Los Angeles pitches appear to be earlier-stage proposals. A capital injection of this size would presumably be directed at accelerating construction across multiple geographies simultaneously, though neither the Journal nor the company has specified the intended use of funds.

The funding talks also come against a regulatory backdrop that is not entirely clean. Nevada regulators said in 2025 that The Boring Company violated environmental regulations nearly 800 times, per TechCrunch's reporting. The specifics of those violations and their resolution status are not detailed in the available reporting, but the volume of citations, nearly 800, is the kind of figure that would typically factor into due diligence for a round of this magnitude.

Looking at the broader context, a $20 billion valuation places The Boring Company in a tier occupied by late-stage private companies with substantially more revenue or user base. The implied multiple on current operations, rather than projected revenue, suggests investors are pricing in option value on infrastructure contracts that have not yet been awarded, let alone completed. Tunneling is capital-intensive, regulatory-heavy, and slow to scale, and the gap between announced projects and delivered systems is wide. Whether a $4 billion raise closes the execution gap or merely extends the runway is the question anyone writing the check will need to answer.

The timing of the Journal's original publication is worth noting. The WSJ's Entrepreneurship section listing suggests the story was first published around July 4, 2026, with TechCrunch and Reuters amplifying the report on July 25. The three-week gap between the original scoop and the secondary coverage is consistent with a story that gained traction as the funding environment for large private rounds tightened or shifted.

The Boring Company has not issued a public statement on the funding talks. The WSJ's reporting rests on unnamed sources, and the explicit caveat that terms could change means the final round, if it materializes, may look different from what is currently described.