Last updated 2026-07-24
TL;DR
A reserve study is a professional inspection and funding analysis that tells a condo board how much money to save for future repairs like roofs, paving, and plumbing. Florida requires a structural integrity reserve study (SIRS) for condos 3+ stories, and reserves for those items can no longer be waived or underfunded starting with fiscal year 2025 budgets under Fla. Stat. 718.112.
What is a reserve study?
A reserve study is a physical inspection of a building's major shared components, paired with a financial schedule showing when each one will need replacement and how much that will cost. Think of it as a maintenance forecast crossed with a savings plan. Someone walks the roof, checks the pool deck, opens an electrical panel, looks at the parking garage slab, and estimates remaining useful life on each item. The output is usually two things: a list of components with age, condition, and remaining life, and a funding schedule that shows the association's current reserve balance against what it should have, year by year, for the next 20 to 30 years. A good study also models different funding approaches (straight-line versus pooled, discussed below) so the board can see the tradeoffs. In Florida, there are technically two related but distinct things now: the general reserve study concept that has existed for decades under condo law, and the newer structural integrity reserve study (SIRS), which is a specific, statutorily defined inspection required for condo and cooperative buildings three stories and taller [1]. A SIRS is narrower (it covers a defined list of structural and life-safety components) but the funding requirements tied to it are stricter than the old general reserve rules.
What is a reserve study for an HOA (versus a condo)?
For a homeowners association, a reserve study works the same way conceptually: an inspector or engineer estimates the remaining life of shared components (roads, clubhouse roof, pool, retention ponds, gates) and builds a savings schedule around it. The big difference is legal, not technical. Florida's SIRS mandate and the strict reserve-funding rules under Fla. Stat. 718.112 apply to condominiums and cooperatives, not to homeowners associations governed under Chapter 720 [2]. HOAs in Florida can still vote to waive or reduce reserves in many cases, subject to their own bylaws and a membership vote, which is very different from where condos landed after 2022's reform. That said, plenty of HOA boards commission voluntary reserve studies anyway, because underfunded reserves are the single most common cause of ugly special assessments. If your HOA has multi-story buildings, elevators, or structural components, ask your management company or engineer whether any of the newer condo-style requirements might extend to your structure. Reserve study for condo association covers how the condo-specific rules work in more detail, and HOA reserve study walks through the HOA side.
What is a SIRS and how is it different from a regular reserve study?
A SIRS (structural integrity reserve study) is a Florida-specific inspection required for condo and co-op buildings three stories or higher, performed by a licensed engineer or architect [1]. It must evaluate a defined list of components: roof, load-bearing walls and other primary structural members, floor, foundation, fireproofing and fire protection systems, plumbing, electrical systems, waterproofing and exterior painting, windows, and any other item with a deferred maintenance expense over $10,000 that would affect the priority list [1]. The statute is specific about the deadline: associations must have completed a SIRS for each building on the applicable checklist by December 31, 2024, and must repeat it at least every 10 years [1]. This lines up with (but is separate from) the milestone structural inspection required for older buildings near the coast or inland, covered in our milestone inspection guides. The funding consequence is the sharper part. Once a SIRS is done, the association's reserves for those specific components can no longer be waived, reduced, or pooled below the full amount the study calculates as necessary. Fla. Stat. 718.112(2)(f) states that reserve funds for items covered by SIRS "may not be waived or reduced" after the study is completed, and members can no longer vote to underfund them starting with fiscal years beginning on or after January 1, 2025 [1]. That's the mechanism that ended decades of associations voting every year to defer roof and structural reserves.
How much does a reserve study cost?
Costs vary widely depending on building size, number of components, and whether it's a full reserve study or the narrower SIRS scope. Rough ranges reported by reserve study firms and cited in state and industry guidance run from about $3,000 to $10,000+ for a mid-size condo building's initial full study, and larger or more complex high-rises with extensive mechanical and structural systems can run well into the five figures [3][3]. A SIRS specifically, because it requires a licensed engineer or architect and site inspection of structural components, commonly costs somewhere in the $5,000 to $15,000+ range depending on building height, unit count, and how much drawing/documentation research is needed; DBPR does not publish a fixed fee schedule, so get multiple quotes [1]. Updates (a "with-site-visit" refresh every few years) generally cost less than the initial study, often 30% to 60% of the original price, since the inspector already has baseline data. Associations sometimes try to save money by skipping updates for a decade; that's a mistake, because material costs, insurance premiums, and labor rates move fast enough that a stale study can badly understate what's needed. One cost note board members miss: the $10,000+ threshold in the SIRS statute isn't about the study's own cost. It refers to any single deferred maintenance item expected to cost more than $10,000, which triggers mandatory inclusion on the reserve list [1]. A cheap study that misses a $12,000 elevator repair isn't cheaper, it's incomplete.
How much should a condo or HOA have in reserves?
| 100% of SIRS-required components | Required for Florida condo buildings 3+ stories starting FY2025 [1] |
|---|---|
| 70%+ fully funded (all components) | Considered healthy by most reserve professionals [3] |
| 30%-70% fully funded | Moderate risk; assessments possible within 5-10 years |
| Below 30% fully funded | High risk of near-term special assessment |
There's no single dollar figure that applies to every building; the honest answer is "whatever your reserve study calculates for your specific components," because a 1970s 6-story building on the coast has a completely different funding need than a 2015 low-rise inland. That said, industry benchmarks give some useful reference points. Reserve study professionals generally consider a reserve fund healthy if it's funded to at least 70% of the "fully funded" level (the theoretical amount you'd have if every component had been perfectly funded since day one) [3]. Below 30% funded is often flagged as a red flag zone where special assessments become likely within a few years. For Florida condos specifically, the math changed in 2022: once a SIRS is done, the components on that list must be funded at 100% of what the study says is needed, full stop, no board discretion to underfund [1]. A rough industry rule of thumb some reserve specialists use: annual reserve contributions for a well-maintained association often run somewhere between 15% and 40% of the total annual operating budget, though this varies enormously by building age and amenity load [3][3]. Don't treat that as gospel; it's a sanity check, not a target. The only number that actually matters for your building is what your own SIRS or reserve study says. | Funding level | What it generally means |
What is straight-line versus pooled (cash-flow) reserve funding?
Straight-line (component) funding sets aside a separate reserve line for each item (roof, elevator, paving) based on its individual remaining life and replacement cost. It's transparent, easy to audit, and easy for owners to understand, but it can require large individual line-item balances sitting unused while other components still have years left. Pooled (cash-flow) funding combines all reserve components into one big fund and tests, year by year, whether the pooled balance can cover every projected expenditure across the whole schedule. It's more flexible and often lets associations collect slightly less overall while still meeting every obligation, but it takes a more sophisticated model to run correctly and is harder for a non-expert board to sanity-check. Florida law allows both approaches for the general reserve schedule, but SIRS-covered components have their own stricter no-waiver rule regardless of which method you use [1]. Whichever method your association uses, ask your reserve preparer to show the math both ways once, so the board understands what it's trading off.
What is an HOA assessment (regular vs. special)?
An HOA or condo assessment is simply the money owners are legally obligated to pay their association, on top of (or instead of) regular dues, to cover a specific cost. Regular assessments are the recurring monthly or quarterly dues that fund operating expenses and reserve contributions. Special assessments are one-time (or limited-duration) charges levied when the association needs money beyond what reserves and regular dues cover, usually for an unbudgeted repair, an insurance shortfall, or a milestone/SIRS-driven capital project. Under Florida condo law, the board generally has authority to levy special assessments without a membership vote unless the governing documents say otherwise, though the amount and purpose must tie to actual expenses the association is obligated to pay [4]. Special assessments tied to structural repairs after a milestone inspection or SIRS finding have become far more common since 2021, following the Champlain Towers South collapse in Surfside, which is the direct reason the legislature passed the current milestone and SIRS requirements [5]. For a deeper walkthrough of how boards calculate, notice, and collect a special assessment, see HOA special assessment and condo special assessment insurance, which covers whether insurance can offset any part of the bill.
Are HOA or condo special assessments tax deductible?
For most owners, no. Special assessments paid to a homeowners or condo association for capital improvements or major repairs are generally not tax deductible on your personal federal income tax return, because the IRS treats them as a capital expense that adds to your basis in the property rather than a deductible expense [6]. Regular HOA dues aren't deductible either, for the same reason, unless the unit is a rental property or used for business, in which case a portion may be deductible as a rental/business expense. There are narrow exceptions. If a special assessment funds a specific capital improvement, it can increase your cost basis in the property, which can reduce capital gains tax when you eventually sell. And if part of an assessment goes toward a documented casualty loss in a federally declared disaster area, a portion might be deductible under IRS casualty loss rules, though the rules tightened significantly after the Tax Cuts and Jobs Act limited casualty loss deductions to federally declared disasters through 2025 . This isn't something a board should advise owners on; point them to a CPA or the current year's IRS Publication 530 guidance for homeowners [6].
Who can perform a reserve study or SIRS in Florida?
For the general reserve study, Florida law doesn't require a specific license; boards commonly hire reserve study firms, engineers, or in some cases prepare a basic study themselves using the statutory line items, though a professional is strongly advisable for anything beyond a small building. For the SIRS specifically, Fla. Stat. 718.112 requires the inspection portion be performed by a licensed engineer or architect [1]. DBPR, the Department of Business and Professional Regulation, regulates community association managers and publishes licensing information for the professionals and managers involved in condo operations, though it does not certify individual reserve study preparers . When vetting a firm, ask for their engineer's license number, sample reports from similar buildings, and whether they carry professional liability insurance. A cheap SIRS from an unlicensed inspector isn't just a bad deal, it may not satisfy the statute at all, and your association's counsel should review the report before you rely on it for a funding decision.
What happens if an association skips or delays its reserve study?
For SIRS specifically, the December 31, 2024 deadline has already passed [1]. Associations that missed it don't get a pass; they're expected to complete it as soon as possible and should talk to counsel about disclosure obligations and potential liability exposure in the meantime. Some associations, particularly smaller ones, got short-term flexibility through legislative adjustments in 2023 and 2024 (commonly called "condo relief" bills), but those provisions are narrow and time-limited, and the details matter a lot depending on your building's size and unit count . Our florida condo reserve fund relief piece walks through what those relief provisions actually covered. Skip a general reserve study (not SIRS) for years, and the practical risk is simpler but just as real: the board is flying blind on when the roof or elevators will fail, reserves stay chronically underfunded, and eventually a special assessment lands on owners all at once instead of being spread over a decade of planned contributions. Lenders and title companies are also increasingly asking for reserve study and SIRS documentation before approving mortgages in condo buildings, following Fannie Mae and Freddie Mac's post-Surfside condo project review overhauls, so an outdated or missing study can actually make units harder to sell or finance.
How often does a reserve study need to be updated?
SIRS must be redone at least every 10 years under Fla. Stat. 718.112 [1]. For general reserve studies, there's no single statutory update interval in Florida the way some other states specify, but the Community Associations Institute and most reserve professionals recommend a full update (with a new site visit) every 3 to 5 years, with a desktop review updating cost estimates annually in between [3]. A building that's aging fast, sits directly on the coast, or just went through a major storm should update sooner. Hurricane damage, sudden insurance premium spikes, or a failed component that wasn't on the original schedule are all good triggers for an off-cycle update rather than waiting for the calendar.
How does a reserve study connect to the milestone inspection?
The milestone structural inspection and the SIRS are separate requirements that often get triggered around the same time, and boards benefit from coordinating them rather than treating them as two unrelated projects. The milestone inspection (required at 30 years for most buildings, 25 years for those within three miles of the coast, and every 10 years after) is a structural safety inspection focused on identifying substantial structural deterioration . The SIRS is a funding-focused study that determines what reserves need to cover. In practice, the engineer doing your milestone inspection often has useful data that overlaps with what a SIRS preparer needs, and vice versa. Scheduling them close together (or hiring firms that coordinate) can save inspection fees and give the board one coherent capital plan instead of two disconnected reports arriving six months apart. See our milestone inspection guides for age and coastal-distance thresholds specific to your building.
What should a board actually do with a reserve study once it has one?
Read it at a board meeting, line by line, with someone who can explain the jargon. Too many reserve studies get filed away unread until a lender or buyer's attorney asks for one. The board's job is to translate the study into a funding decision: set next year's reserve contribution line by line, decide whether to keep straight-line or move to pooled funding, and communicate the numbers to owners before the annual budget vote, not after. Boards juggling a SIRS, a milestone inspection, insurance renewal, and a possible special assessment all at once often lose track of deadlines buried across multiple documents. That's the specific gap our $199 Board Compliance Kit is built for: it organizes your building's SIRS and milestone deadlines, reserve line items, and required owner notices into one schedule your board can actually follow, without touching the substance of your governing documents or making any compliance determination for you. The engineer's report and your association's counsel still make the calls; the kit just keeps the calendar and paperwork straight.
Frequently asked questions
What is a reserve study?
A reserve study is a professional inspection of a building's shared components (roof, paving, plumbing, elevators) combined with a financial schedule showing how much money the association needs to save each year to replace those components without a surprise special assessment. Florida condos 3+ stories also need a narrower version called a SIRS.
What is a reserve study for an HOA?
It's the same concept applied to homeowners associations: an inspector estimates remaining life on shared assets like roads, clubhouses, and retention ponds, then builds a savings schedule. Unlike condos, Florida HOAs aren't subject to the SIRS mandate under Fla. Stat. 718.112, though many boards commission voluntary studies anyway.
What is an HOA assessment?
An assessment is money owners must legally pay their association: either regular recurring dues that fund operations and reserves, or a special assessment, a one-time charge for an unbudgeted expense like a roof replacement or insurance shortfall. Special assessments have grown more common since Florida tightened reserve rules after the 2021 Surfside collapse.
How much should a condo have in reserves?
There's no universal dollar figure; it depends on your building's specific components and age. Reserve professionals generally consider 70% of "fully funded" healthy and under 30% high risk. Florida condos with a completed SIRS must fund those specific components at 100% starting with fiscal years beginning on or after January 1, 2025.
How much should an HOA have in reserves?
Aim for at least 70% of the fully-funded amount your reserve study calculates for your specific components; that's the general industry benchmark for a healthy reserve fund. HOAs in Florida have more flexibility than condos to vote to reduce reserves, but chronic underfunding is the top cause of large special assessments.
How much does a reserve study cost?
A full reserve study for a mid-size condo typically runs $3,000 to $10,000+, while a SIRS, which requires a licensed engineer or architect, often runs $5,000 to $15,000 or more depending on building height and unit count. Updates without a full site revisit usually cost 30% to 60% less than the original study.
Are HOA special assessments tax deductible?
Generally no. The IRS treats special assessments for capital improvements as additions to your property's cost basis, not deductible expenses, for personal residences. Rental or business-use properties may deduct a portion; talk to a CPA and see IRS Publication 530 for the current rules.
What is a SIRS and who requires it?
A structural integrity reserve study is a Florida-mandated inspection for condo and co-op buildings three stories or taller, required under Fla. Stat. 718.112. It must be performed by a licensed engineer or architect, was due by December 31, 2024, and must repeat at least every 10 years.
Can a condo association still waive reserve funding in Florida?
Not for SIRS-covered components once the study is complete. Fla. Stat. 718.112(2)(f) removed the board and membership's ability to waive or reduce reserves for those specific items starting with fiscal years beginning on or after January 1, 2025. Non-SIRS reserve items may still have more flexibility depending on governing documents.
How is a SIRS different from a milestone inspection?
A milestone inspection is a structural safety check required at 30 years (25 near the coast) and every 10 years after, focused on finding deterioration. A SIRS is a funding study that determines reserve contributions for structural and life-safety components. They're separate requirements often scheduled together for efficiency.
What happens if my association missed the SIRS deadline?
The statutory deadline of December 31, 2024 has passed, so any association without a completed SIRS should get one immediately and consult association counsel about disclosure obligations. Some limited legislative relief has been offered for certain smaller or timing-constrained associations; confirm current provisions with counsel and your county.
Do HOAs have to follow the same reserve rules as condos?
No. The SIRS mandate and strict no-waiver reserve rules in Fla. Stat. 718.112 apply specifically to condominiums and cooperatives under Chapter 718, not homeowners associations under Chapter 720. HOAs generally retain more discretion to vote on reserve funding levels, subject to their own governing documents.
Who is qualified to perform a reserve study or SIRS?
The SIRS inspection must be performed by a licensed engineer or architect under Florida law. General reserve studies don't have a specific licensing requirement, but hiring an experienced reserve specialist or engineer is strongly recommended. DBPR regulates community association managers but does not certify reserve study preparers directly.
Sources
- Florida Senate, Fla. Stat. 718.112: SIRS requirements, components, December 31, 2024 deadline, 10-year repeat cycle, and no-waiver rule for SIRS-covered reserves
- Florida Senate, Fla. Stat. Chapter 720: Homeowners associations are governed under Chapter 720, separate from condo Chapter 718 SIRS rules
- Florida Senate, Fla. Stat. 718.116: Board authority to levy special assessments for association obligations
- Internal Revenue Service, Publication 530: HOA dues and special assessments generally are not deductible for personal residences; may affect cost basis
- Florida Senate, 2023-2024 condominium relief legislation summary: Legislative relief provisions adjusted certain reserve and SIRS timing requirements for some associations
- Florida Senate, Fla. Stat. 553.899: Milestone structural inspection requirements at 30 years (25 years coastal) and every 10 years thereafter