Neptune is Shaping The Future of Marketplaces
Where intent meets execution.

Our Thesis
We have entered a new era of efficiency. The winners of the next decade will be the early adopters of today. Real estate will continue to be rooted in relationships, but its future will be scaled by technology. As new tools reshape what’s possible, competition will differentiate through clarity, speed, and automation.
Founding Team
Elijah Popowitz - CEO
Eagan Notokusumo - CTO
Brandon Herron - CPO

Our Mission
At Neptune, we are engineering the operating system for the next generation of leasing. We move beyond simple search to active facilitation, utilizing AI to bridge the gap between discovery and decision.
The future of real estate is autonomous. We see a world where leases are driven from concept to completion without the tax of coordination and complexity. We exist to remove the barriers that slow the market down, enabling people to focus on the transaction, not the logistics.
We are beginning this shift in SF, CHI and NYC for the most forward-thinking operators in the multifamily world.
Join the Network
Now onboarding operators from SF, CHI, and NYC.