The Oklahoma City Thunder are no longer just a rebuilding project; they’re here, and they’re dangerous. Young talent, smart moves. And one of those is an extremely underrated Isaiah Hartenstein, dying to prove himself in his prime. He can pass, defend, run the floor, and play with serious feel. Not a flashy guy, just effective. That’s exactly what this Thunder team needed.

Anyhow, off the court, there’s been growing curiosity around the money side of things. Hartenstein’s contract is a big one, and it’s changing his financial world. Fans want to know: what’s he really worth, and where’s his money going? So, let’s dive into that side of Isaiah Hartenstein, his net worth, his career earnings, and everything else that’s made this one of the most interesting moves of the Thunder’s offseason.

What is Isaiah Hartenstein’s Net Worth in 2025?

As of 2025, Hartenstein is believed to be worth around $22.6 million. That number comes mostly from his NBA salaries over the years, plus a few endorsement deals. While he’s not one of the league’s most marketed names, he’s got brand partnerships that add to his income.

Isaiah Hartenstein just landed the biggest contract of his career. In 2024, he signed a 3-year, $87 million deal with the Oklahoma City Thunder. The deal includes $58.5 million guaranteed, with an average yearly salary of $29 million. It’s a massive leap from his earlier contracts, and a sign that OKC sees him as a core piece.

In the 2024–25 season, he’s set to make $30 million flat. That number stays high in year two, $28.5 million, and the final year is a club option. If they pick it up, he’ll earn another $28.5 million in 2026–27. By 2027, he will become an unrestricted free agent.

With this new contract locked in, though, that net worth is going to spike fast. By the time this OKC deal ends, he’ll have made more than $87 million in NBA earnings alone. Add in smart investments or future endorsements, and he’s in a whole new bracket financially.

What is Isaiah Hartenstein’s Career Earnings by Year?

The OKC big man has been around for a while. And sure enough – his earning numbers are quite as high too. Hartenstein’s career earnings come about to $116.8 million, which is quite impressive for a 27-year-old. Below is a detailed, year-by-year breakdown of his NBA salary earnings.

What are Isaiah Hartenstein’s Brand Endorsements And Investments?

Apart from his lucrative contract, Isaiah Hartenstein also has his own clothing and apparel brand called ‘Hustlestein’ that produces merchandise for the OKC Thunder Center. Well, that’s not all! he also has deals with sportswear giants Nike and sports collectible company Tristar1. Although the financial details of his deals are not known to the public, they might be worth a fair amount.

Furthermore, the NBA star has also invested in a brand called Happy Viking, which is a superfood nutrition brand created by tennis superstar Serena Williams. The brand offers 100% plant-based, complete meal shakes, and several athletes as investors, including Suns star, Kevin Durant and Hartenstein himself.

Hartenstein is also heavily involved in charitable causes. He partnered up with Snooze, an AM Eatery and Denver-based organization, ‘Be A Good Person’, which helps raise funds for the No Kid Hungry campaign. The organization provides up to 250,000 meals to children in need across the United States, and Hartenstein’s involvement helped bring light to the cause.

Furthermore, the OKC Thunder star has created his own foundation called the Hartenstein Foundation. With this, he helps families and children in need by providing them with resources and also advocates for mental health. Hartenstein works relentlessly to help give back to his community and make a difference in society through his foundation.

Isaiah Hartenstein’s financial portfolio screams of epic management. There’s a reason he’s worth $22.6 million at the rip age of 27. And he has a lot more yet to give. Only the almightly might have an idea of how much that value will skyrocket in the coming years.