Invoice fraud

What invoice fraud looks like

Invoice fraud shows up in two common shapes in an HOA. In a ghost vendor scheme, someone with access to the books sets up a vendor that does not really do work for the association and submits invoices for services that were never performed. In a kickback scheme, a real vendor overbills for work it actually does, and someone inside the association gets a cut of the overage.

A forensic accounting firm's case files documented both, from separate HOAs:

"A property manager created fake vendor accounts and submitted invoices for non-existent services, funneling $800,000 into personal accounts over three years."

Source: Behind Closed Doors: Eye-Opening Case Studies of HOA Fraud, JS Morlu LLC

In the same firm's files, a landscaping company colluded with a board member to overbill for services, the board member received kickbacks, and the HOA lost $300,000. Neither case involved a stranger. Both involved someone the association already trusted with access to vendors, invoices, or payments.

Why it slips through

Invoice fraud survives when one person controls too much of the payment process alone. A treasurer or manager who picks the vendor, approves the invoice, and cuts the check needs no one else's sign-off, which means a fake vendor is invisible from the inside.

"Segregation of Duties is a system designed to prevent theft and fraud."

Source: Segregation of Duties, Personal MBA (Josh Kaufman)

The framework splits a transaction into four separate jobs: who authorizes it, who has custody of the funds, who records it, and who reconciles it later. A property management guide puts the same idea in payment terms: the person who prepares a check should not be the person authorized to sign it, and the person who signs should not be the person who reconciles the bank statement. When those roles collapse into one person, trust in that person is not a substitute for the control.

Warning signs

An HOA attorney's embezzlement checklist lists specific paper trail gaps a board can watch for, not just a gut feeling that something is off:

"missing bank statements and reconciliations, general ledgers that do not balance, missing and altered documents," "photocopies rather than originals, unexplained cash shortages, unauthorized credits to receivable accounts," and "duplicate payments to vendors, unexplained overdraft and other bank charges, unauthorized purchase transactions."

Source: Danger! Warning Signs of Embezzlement, Mulcahy Law Firm, P.C.

A duplicate payment to the same vendor, an invoice supported only by a photocopy instead of an original, or a purchase no one on the board remembers approving are all worth a direct question before the next check goes out, not after.

Catching it early

Most occupational fraud is not caught by an audit. It is reported by someone who noticed something. Tips are the most common way fraud is detected, and more than half of those tips come from employees, which is an argument for giving residents, vendors, and staff a clear, low-friction way to flag a concern.

Training both staff and management to recognize the warning signs measurably changes the outcome:

"organizations that trained both staff-level employees and management reported median fraud losses at $84,000 per case, while organizations that did not provide training to either group saw median losses reach $150,000 per case."

Source: Occupational Fraud 2026: A Report to the Nations, key findings, Association of Certified Fraud Examiners

These figures come from fraud cases across all industries and organization sizes worldwide, not from HOAs specifically, but the direction holds: a board that reviews monthly statements and budget-to-actual results, and that knows what a fake invoice looks like, closes the gap faster than one that finds out at year-end audit.