
Whale turns the traditional security deposit upside down — a lockable, high-yield savings account for renters, secured for the landlord’s benefit at move-out.




















Hours lost to paperwork, postage, and manual follow-up. Time your team could spend on residents, not admin work.
TODAY
Collect and return every deposit by hand
$41,381 lost annually per 1,000 units
Whale syncs directly with your PMS to request, manage, and return deposits automatically, at zero cost.
Never collect a deposit.
Never collect a forwarding address.
Never mail a check.
Never worry about compliance.

Effortless for renters, automated for landlords. Whale does the heavy lifting so you can focus on people, not paperwork.


Reduce admin, eliminate errors, and give your residents a better experience, all through Whale.
Whale handles deposit requests and automated reminders.
Electronically collect and return deposits instantly.
Renters see their deposit, earn interest, and get their money back faster.

100% compliant in Washington, D.C. and all 50 states plus each Whale account is FDIC-insured up to $1,000,000.



Skip the postage, banking fees, and busywork with Whale’s fully automated security deposit solution.
Calculate SavingsCFO, Shelter Asset Management
"Whale simplified deposit management for everyone. Tenants trust the process thanks to full transparency, while our team saves hours at move-out. It’s easy to use, and the Whale team’s support has been incredible."
Founder, Varro Capital
"Eliminating the burden of administering thousands of security deposits each year has been a huge win for our operations, finance, and on-site teams. Our residents love that they're earning money each month and are pleased to get their deposit back quickly when they move-out."
Former COO, Bridge Property Management
"Whale has created something special. A true win-win where residents earn interest on deposits and operators save time, money, and reduce risk. It’s setting a new standard for how deposits should work."
CFO, 25k units
"On our side, the move-out process is significantly faster and easier — cutting down admin time for both property and accounting teams. The platform is intuitive, and the Whale team has been exceptional throughout implementation and support."
Owner and Property Manager, 150 units
"By moving my tenant's deposits to Whale, I'm no longer concerned about the liability, interest and accounting concerns/hassels AND, now when a tenant moves out, all I do is click a few buttons and the move out process is complete."
Owner and Property Manager, 4k units
"The platform enables tenants to earn interest on their deposits, which they greatly appreciate, and it alleviates the administrative challenges of collecting and disbursing deposits. Whale is also an effective marketing tool when presenting properties to prospective tenants."
* All persons offering testimonials have not been compensated for sharing their opinion about Whale and their comments may not be representative of any other person's experience with Whale.
Whale is a renter-owned, high-yield savings account that locks for a renter’s lease term, ensuring landlords have access to the full security deposit before it's returned electronically at lease end.





Advisory services are offered by Build Whale, Inc., an SEC-registered Investment Advisor. Funds are held by Alpaca, member FINRA SIPC. Each renter’s account is FDIC-insured up to $1,000,000.
