GuidesWhat is a prudent reserve?
What is a prudent reserve — and how much should your group keep?
Updated August 2026
In short: a prudent reserve is the cushion a 12-step group sets aside so one slow month doesn't put the rent at risk. The guidance most fellowships share is for a group to keep enough to cover one to three months of operating expenses, with the exact amount decided by group conscience. Money that keeps accumulating beyond the reserve is meant to move on — to the fellowship's service structure, not a growing bank balance.
Every treasurer eventually faces both versions of the money question. Some months the basket is light and the rent is due anyway. Other times the treasury quietly grows until someone asks at the business meeting: "why are we sitting on $900?" The prudent reserve is the answer to both — a number your group picks on purpose, so you know exactly when you're short and exactly when you have money to pass along.
What the common guidance says
Treasurer guidance across 12-step fellowships lands in the same place: there's no fixed amount, but a group does well to set aside roughly one to three months of its operating expenses, with the group itself deciding the actual size. The reserve exists for real contingencies — a slow month, a rent increase, a returned check — not as savings for their own sake.
Larger service bodies — the offices that answer phones, print meeting lists, and carry payroll or a lease — reasonably keep a bigger cushion, sometimes up to a year of expenses. So if you've seen bigger numbers quoted, that's why: one to three months is the working range for a group; the longer ranges belong to service offices with fixed obligations.
And there's a warning wired into 12-step tradition itself: fellowships have long viewed treasuries that keep accumulating money beyond a prudent reserve, with no stated purpose, as a source of trouble. Experience backs it up — few things generate more group strife than a pile of idle money and no plan for it. The reserve is a floor for safety, not a ceiling to grow past.
Picking your number: a worked example
Add up a typical month. For a group that meets weekly, it might look like this:
| Monthly expense | Amount |
|---|---|
| Rent to the church | $90 |
| Coffee & supplies | $25 |
| Literature & chips | $30 |
| Anniversary cakes, misc. | $15 |
| Typical month | $160 |
One month of expenses is $160; three months is $480. Somewhere in that range is your prudent reserve — many groups simply take the middle and round: "our prudent reserve is $300." Bring the number to a business meeting, let the group conscience settle it, and record it in the minutes. Revisit it when the rent changes.
Two common-sense adjustments: if your rent is due quarterly, or your meeting shrinks over the summer, lean toward the higher end. If your expenses are tiny — an online meeting with no rent — your reserve can be tiny too.
When the treasury grows past the reserve
That's the happy problem the reserve is designed to surface. Once the group's needs are met and the reserve is full, the surplus is what the group can send on to its fellowship's service structure — the local, regional, and world-service bodies that keep the wider fellowship running. Most fellowships publish suggested ways to divide a group's contribution among those levels; the split is a group-conscience decision, and your local service office can tell you where to send each part. Our group treasurer guide covers the mechanics.
Tracking it honestly
A reserve only works if the report separates it from spendable money. "We have $560" sounds fine until you remember $300 of it is the reserve and rent is due — the honest statement is "we have $260 available." You don't need a second bank account; you need the treasurer's report to show the reserve as set aside, every single month, so the group never accidentally spends its cushion.
This is exactly how Meeting Treasurer handles it: you earmark the prudent reserve once, and every report and dashboard separates it from what's available to spend — so the answer to "where does the group stand?" is honest by default.
Meeting Treasurer is independently built and is not affiliated with, endorsed by, or representing any 12-step fellowship or organization. For your fellowship's own guidance, ask your local service office for its treasurer literature.