Does an HOA need an audit, and what's the difference between an audit, a review, and a compilation?
The three levels of outside look a CPA can give an HOA's books, when state law or the bylaws require one, what each level actually proves, and why even an optional review is one of the best trust-builders a small board can buy.
Three levels, not one
When people say an HOA should 'get its books audited,' they usually mean one of three different services, and they cost and prove very different things. A compilation is the lightest: a CPA assembles the association's financial statements from the numbers the board provides, with no independent checking - it's tidy presentation, not verification. A review is the middle tier: the CPA performs analytical procedures and asks management questions, and gives 'limited assurance' that nothing looks materially wrong, but doesn't dig into supporting documents. An audit is the most thorough: the CPA independently tests transactions, confirms bank balances, examines records, and issues an opinion on whether the financial statements are fairly stated. More assurance means more work and more cost, so the right level depends on the association's size, risk, and what its documents or state require.
When one is actually required
Whether an HOA must get any of these is set by two things: state law and the community's own bylaws. Some states tie the requirement to the association's income or size - California's Davis-Stirling Act, for example, requires a review of the financial statements by a licensed accountant when the association's gross income exceeds a set threshold (currently $75,000). Many associations' bylaws independently require an annual audit or review regardless of what the state mandates, and some lenders or insurers ask to see recent audited or reviewed statements. So the first move for any board is to read its own bylaws and check its state's requirement, because 'we've never done one' is not the same as 'we don't have to.'
Why it's worth it even when it's optional
For a small, self-managed HOA where one or two volunteers handle the money, an outside review or audit is cheap insurance against both honest mistakes and the suspicion of dishonest ones. It catches bookkeeping errors before they compound, gives a new treasurer a clean starting point, reassures owners that dues are being handled properly, and makes the books credible to buyers, lenders, and the next board. In communities where money has become a source of distrust, bringing in an independent CPA is often the single fastest way to lower the temperature - the findings either confirm everything is fine or surface a problem early enough to fix without a crisis.
What an audit can and can't catch
It's important to be honest about the limits. An audit gives reasonable - not absolute - assurance that the financial statements are fairly stated; it is not a guarantee that no fraud exists, especially well-concealed collusion or theft that never touched the recorded books. Auditors test samples and assess controls, so a clean opinion means 'no material misstatement found,' not 'every dollar was traced.' That's why ongoing internal controls matter as much as the annual outside look: separating who approves payments from who signs checks, requiring board review of bank statements, and keeping reserve money in clearly designated accounts. The audit verifies the picture once a year; the controls keep the picture honest the other 364 days.
How to get one and what it costs
Engage a CPA who specifically does community-association work - HOA accounting has quirks (reserve funds, member assessments, the difference between operating and reserve activity) that a generalist may handle awkwardly. Cost scales with the level of service and the association's size: a compilation is the least expensive, a review more, and a full audit the most, with larger or more complex communities paying more for any of them. Boards usually plan the engagement right after the fiscal year closes so the report is ready for the annual meeting, and it helps enormously to hand the CPA clean, complete records - reconciled bank statements, an organized ledger, contracts, and minutes - because the more time the accountant spends untangling messy books, the higher the bill.
Clean books make the report cheaper and the result better
Every one of these services gets faster, cheaper, and more useful when the underlying records are already in order. When assessments, payments, vendor bills, and reserve transfers are tracked consistently through the year, a CPA can review or audit them efficiently instead of reconstructing them, and the board walks into its annual meeting with a credible, professional picture of the association's finances. OurHOA helps small self-managed communities keep that kind of organized, year-round financial record, so whether a community is meeting a state requirement or just choosing to get an independent look, the books are ready to be reviewed instead of rebuilt.
These guides are general education for HOA boards and residents, not legal, tax, or financial advice. Rules vary by state and by your community's governing documents - check with a professional for your situation.