Most board members inherit a reserve study rather than choosing one. It arrives as an eighty-page PDF, gets voted onto the record, and then sits unread until the next one shows up three years later — usually with worse news. This guide exists so that doesn't happen to your association.
It covers the whole subject in order: what the study is, how to read it, what the numbers mean, what the law requires, and what actually prevents a special assessment. Read it through, or jump to what you need.
Start where you are
New to the board: start with what a reserve study is, then how to read one. Thirty minutes there will put you ahead of most boards.
You have a study and don't know if the numbers are good: go straight to percent funded. It's the single best health metric your association has.
You're worried about a special assessment: read how assessments actually happen. They're rarely emergencies — they're usually surprises, which is a different and more preventable thing.
You're shopping for a firm: jump to choosing a provider. The eight questions there will separate three proposals faster than the prices will.
You're in California: see what the law requires — Davis-Stirling has specific, dated obligations, and balcony rules on top for many buildings.
What a reserve study is
Your association owns things that wear out on a schedule — roofs, asphalt, paint, pool equipment, elevators, fencing. A reserve study is the document that inventories all of them, assesses their condition, estimates what each will cost to replace and when, and then builds a funding plan so the money exists when the bill arrives.
It has two halves. The physical analysis answers what you own and what shape it's in. The financial analysis answers how your money lines up against that. Every page in the document belongs to one or the other, which is the first thing that makes an intimidating PDF navigable.
The plain-English introduction is why your community needs a reserve study. Brand-new to the board? Start instead with the handoff: what new HOA board members need to know.
The three levels of study
"A reserve study" isn't one product. The National Reserve Study Standards define three levels, and the difference explains why quotes vary so widely:
- Level 1 — Full Reserve Study. Built from scratch with an on-site inspection: every component identified, measured, photographed, condition-assessed. See what a full study includes.
- Level 2 — Update With Site Visit. Refreshes an existing study with a new physical review. See update with a site visit.
- Level 3 — Update, No Site Visit. A numbers-only refresh, appropriate only in the years between real inspections. See off-site update.
California and most standards call for a physical inspection at least every three years, with Level 3 updates in between — so the right level depends largely on when someone last walked your property. Pricing across all three is on what a reserve study costs.
How to read the document
You don't need to read eighty pages. You need five numbers: the component inventory (does it look like your property?), percent funded, which funding plan the recommendation follows, the 30-year cash flow (find the year the balance dips lowest — that's where a special assessment would be born), and the recommended contribution against what you actually contribute.
The full walkthrough, with a thirty-minute routine a board member can do over lunch, is how to read a reserve study.
Percent funded: the health number
If you remember one number, make it this one. Percent funded is your actual reserve balance divided by the fully funded balance — the value your components have already used up by aging. The bands most reserve professionals use: above 70% is strong, 30–70% is fair, below 30% is weak — the zone where special assessments stop being a risk and start being a schedule.
The counterintuitive part that catches every board: on a flat contribution, percent funded falls every year, because your buildings keep aging even when your balance doesn't move. The math, the benchmarks, and how much of assessments should go to reserves are in how much should an HOA have in reserves.
The three funding plans
Every study presents funding scenarios, and your board adopted one — often years ago, often without discussion. Full funding targets 100% funded. Threshold funding defends a floor the board chooses. Baseline funding only keeps the balance above zero, which makes it the cheapest number on the page and the riskiest plan a study can legitimately print.
This choice now has lending consequences: as of August 3, 2026, lenders can no longer rely on the baseline method for condo project review, and must verify the budget funds the study's highest recommendation. The comparison is in full vs. threshold vs. baseline reserve funding; the lending rule itself is in Fannie Mae's 15% reserve requirement.
Condominiums have a second lending framework to satisfy. FHA approval requires reserves funded at 10% of annual assessments — unless a current, independent, site-visited reserve study justifies less, an exception written into HUD's own handbook. Lose approval and every FHA buyer disappears from the market for your building. The requirements are in FHA condo approval and your reserve fund.
Special assessments and underfunding
Special assessments are what reserve planning exists to prevent, and they're rarely emergencies. A roof doesn't fail without warning — it ages on a schedule anyone can read. What turns a predictable replacement into a five-figure per-owner bill is usually a funding plan nobody updated.
What actually prevents one is in how to avoid a special assessment. What underfunding costs beyond the assessment itself — property values, lending, board liability — is in the true cost of delay. And the three errors we see most often, including treating the study as a one-and-done document, are in three critical mistakes HOAs make.
Once the money is set aside, it also has to be held responsibly — the rules and the reasonable options are in investing HOA reserve funds.
What the law requires
Reserve obligations come from two places, and boards usually only know about one. State law varies enormously — California is among the strictest, Washington requires annual updates with a triennial site inspection, Florida regulates structural reserves in taller condo buildings, and Georgia requires nothing at all. Meanwhile Fannie Mae and FHA impose reserve thresholds in all fifty states, with a current independent study as the alternative path. Which rules reach your association is covered in does your state require a reserve study?
California's Davis-Stirling Act requires a visual inspection of accessible major components at least every three years, annual review of the funding plan, and disclosures to owners — plus statutory limits on how much a board can raise dues or assess without an owner vote. All of it is in California's reserve study law.
California associations with elevated wood-framed balconies and walkways have a second layer under SB 326. The inspection is an engineer's job; paying for what the engineer finds is a reserve planning problem, covered in SB 326 balcony inspections and your reserve study and how to pay for balcony repairs.
Georgia boards have their own deadline under SB 406 — see what Georgia HOA boards must do. California boards should also know the newer limits on fines under AB 130.
Choosing a reserve study firm
Three proposals arrive at three very different prices, and price is the worst way to compare them. Start with independence — does the firm manage communities, or bid on the repairs its own study recommends? That isn't only an ethics question: Fannie Mae's standards require a study "prepared by an independent third party that has specific expertise," so for any association whose owners need financing it's an eligibility question too.
Then confirm every proposal quotes the same level of study, ask for a redacted sample report, and verify the qualifications behind it. The eight questions to ask every firm, and the four red flags worth walking away from, are in how to choose a California reserve study company.
Managing a portfolio rather than a single association? Our property manager program covers scheduling and cycle tracking across communities. And every study we deliver is produced in ReserveDeck, the reserve study software we built ourselves.
Frequently asked questions
How often does an HOA need a reserve study?
California requires a diligent visual inspection of accessible major components at least once every three years, with annual review of the reserve funding plan; most other states with requirements follow a similar cadence. The common professional practice is a Level 1 or Level 2 study with a site visit on the three-year cycle and Level 3 off-site updates in the years between. Studies approaching three years old also start failing lender recency requirements.
What percent funded should our association be?
Above 70% is considered strong, 30–70% fair, and below 30% weak — the range where special assessments become common. There's no universal target, because the right number depends on what your association owns and how concentrated your upcoming expenses are. What matters more than hitting a specific figure is choosing a funding plan deliberately and knowing which direction your percent funded is moving.
What happens if an HOA has no reserve study?
In states that require one, the association is out of compliance and the board may be exposed on its fiduciary duty. Practically, the bigger problems arrive at transactions: lenders reviewing condo projects want a current study, buyers' disclosure packets reveal the gap, and without a funding plan the association discovers its capital needs through emergencies rather than through planning.
Can a board do its own reserve study?
A treasurer's spreadsheet isn't a reserve study, and it won't satisfy a lender — Fannie Mae's guidance specifically requires preparation by an independent third party with relevant expertise. Beyond compliance, the value of a professional study is the physical inspection and the component-level cost data; those are the inputs a board genuinely cannot produce from the inside.
How much does a reserve study cost?
Roughly $900 for a Level 3 off-site update on a small, well-documented association up to about $10,000 for a Level 1 full study on a large or complex community. The level you need and the complexity of your property are the two biggest drivers. A firm quoting a fixed price before understanding either is guessing.
What is the difference between reserves and the operating budget?
Operating funds cover recurring annual costs — landscaping, insurance, utilities, management. Reserves fund the periodic replacement of major components with useful lives longer than a year: roofs, paving, elevators. Borrowing from reserves to cover operating shortfalls is one of the most common paths into underfunding, and in many states it carries specific repayment requirements.
Where to start
If your association has a study, take thirty minutes with it this week and find the five numbers. If your study is approaching three years old, start the update before someone's sale depends on it. And if nobody on the board can say which funding plan you're on, put that question on the next agenda — it's the one with the shortest path from "we don't know" to "we owe $12,000 each."
Want a second opinion on a study you already have, or a proposal for a new one? Talk to us — we'll tell you which level you actually need, including when that's the least expensive one.