Last updated 2026-07-25
TL;DR
A condo reserve study is a professional inspection and cost projection covering roofs, structures, plumbing, and other major components, used to set how much a Florida association must save. Florida law (F.S. 718.112) requires condos with 3+ habitable stories to complete a Structural Integrity Reserve Study, fund those items at full strength, and stop waiving reserves for them.
what is a reserve study
A reserve study is a written report, usually done by an engineer or a specialized reserve analyst, that inventories a building's major shared components (roof, paint, pavement, elevators, plumbing, structural elements), estimates how much life each one has left, and calculates how much money the association needs to save each year to pay for replacement or major repair without a special assessment. Think of it as a long-range maintenance budget with an engineer's signature on it. A good study gives you three things: a component list with remaining useful life, current replacement cost estimates, and a funding schedule showing what to put into reserves this year and every year after. Most studies get updated every 3 to 5 years, or sooner if a big project changes the numbers (a new roof, a finished structural repair, a jump in insurance-driven repair costs). Florida's newer law for condos, the Structural Integrity Reserve Study (SIRS), is a specific, narrower version of this that focuses only on load-bearing and life-safety items [1].
what is a reserve study for an hoa
For a homeowners association, a reserve study works the same way conceptually: it inventories the common elements the HOA is responsible for (roads, pools, clubhouses, drainage, sometimes roofs if the HOA owns them) and projects the savings needed to replace them on schedule. The key difference from a condo is legal, not mechanical. Florida's SIRS mandate under 718.112 applies specifically to condominium associations with buildings three stories or more (Chapter 718) and to cooperatives under a parallel provision in Chapter 719. Most single-family HOAs governed by Chapter 720 are not swept into the SIRS requirement, though many still commission voluntary reserve studies because lenders, insurers, and prudent boards want one [1] [2]. If you're on an HOA board and unsure whether SIRS applies to any condo-style buildings in a mixed community, that's a governing-document and statute question to run past your association's counsel, not something to guess at from a blog post.
what is an hoa assessment (and how is it different from a reserve study)
An HOA or condo assessment is the fee the association charges owners, usually monthly or quarterly, to cover operating costs and reserve contributions. A reserve study doesn't charge anyone anything directly. It's the data that tells the board how big the reserve portion of that assessment needs to be. There are two basic kinds of assessments. Regular assessments are the recurring dues built into the annual budget, which should include the reserve contribution the study recommends. Special assessments are one-time (or short-term) charges the board levies when reserves fall short of an actual repair bill, when an emergency comes up, or when a big project (say, concrete restoration after a milestone inspection) costs more than the reserve fund has on hand. A well-funded reserve, driven by an accurate reserve study, is the single best tool a board has for avoiding special assessments. That's the whole point of the exercise: pay a known amount steadily, instead of an unknown, often much larger amount, suddenly. For more on how special assessments work and get levied under Florida law, see hoa special assessment.
how much should an hoa have in reserves
There's no single dollar figure that applies to every association, because it depends on the age, size, and construction of the buildings, and on how the association's specific components are aging. The honest answer is: enough to reach 100% of the reserve study's calculated funding requirement for each component by the time that component needs replacing. Florida law no longer lets condo boards use a guess. As of the SIRS requirement, condominium associations subject to Chapter 718 must fund reserves for the SIRS-covered components (roof, load-bearing walls, floor, foundation, fireproofing/fire protection systems, plumbing, electrical, waterproofing, exterior painting, windows/doors, and any other item the study identifies with a deferred maintenance expense over $10,000) at the full amount the study recommends, with no ability for the board or membership to vote to waive or reduce that funding for those specific items starting with the first fiscal year that begins on or after December 31, 2024 [1] [3]. A rough industry rule of thumb some reserve professionals use as a sanity check is the "percent funded" metric: reserves on hand divided by the ideal fully-funded balance at that point in the component's life. Being above roughly 70% funded is generally considered strong; many associations nationally run in the 30-50% range, which is why special assessments are so common [4]. There's no Florida statute that sets a percent-funded target for HOAs outside SIRS-covered condo items, so for everything else the honest number is: whatever your engineer's study says, updated regularly, funded at 100% if you want to avoid special assessments.
how much does a reserve study cost
Costs vary widely by building size, number of components, and whether it's a full study (with a site visit and physical inspection) or an update (desktop review of a prior study). For a typical Florida condominium, expect a range roughly from $3,000 to $15,000+ for a full reserve study, and less, often $1,500 to $5,000, for a periodic update, though very large or complex buildings with many amenities can run higher [2]. A SIRS specifically has its own cost profile because it requires inspection by a licensed engineer or architect and must cover the statutorily listed structural components. Boards that combine their SIRS with their milestone inspection (also required at 25 or 30 years depending on coastal proximity) sometimes save money by hiring one firm for both, since much of the physical inspection overlaps. Ask any engineer you're vetting whether they can scope both jobs together and price accordingly. Compare that cost to what a special assessment for an unbudgeted roof or structural repair typically runs. A concrete restoration project after a failed milestone inspection can cost tens of thousands of dollars per unit in badly deferred buildings, which is exactly the scenario a funded reserve study is meant to prevent. The study itself is a small line item next to that risk.
who has to get a reserve study or SIRS in florida
Condominium associations in buildings three stories or higher, as measured under the statute, must have a licensed engineer or architect complete a Structural Integrity Reserve Study at least once every 10 years, and the board must use that study to set reserve funding for the covered structural components without waiver, per Florida Statutes 718.112(2)(g) [1]. The requirement runs alongside the milestone inspection deadline: buildings must get a structural milestone inspection at 25 years after certificate of occupancy if within three miles of the coast, or 30 years if further inland, and then every 10 years after that [3]. Many associations schedule SIRS and the milestone inspection close together because the same physical evidence (cracking, spalling, corrosion) that milestone inspectors document also feeds directly into a SIRS. Cooperatives face a parallel requirement under Florida Statutes Chapter 719. Single-family HOAs under Chapter 720 are generally not covered by the SIRS mandate, though as noted above, mixed developments should confirm their specific structures with counsel. DBPR, the state's Division of Florida Condominiums, Timeshares, and Mobile Homes, publishes association filing and reporting guidance that boards should check for updates, since the legislature has amended these deadlines more than once since the original 2022 law [2].
what happens if the board doesn't get the reserve study done
Skipping the SIRS or underfunding the covered components isn't just a paperwork problem. Boards that fail to complete a required SIRS or that continue to waive reserve funding for SIRS items after the statutory deadline expose the association to legal risk, and individual board members can face fiduciary-duty questions from owners or successor boards. Practically, lenders and title companies have started asking for SIRS status and reserve funding documentation before approving mortgages in Florida condo buildings, following the fallout from the Champlain Towers South collapse in Surfside that prompted the original 2022 legislative response [3]. A building that can't produce a current SIRS or that shows badly underfunded reserves can become harder to finance, which affects every owner trying to sell or refinance a unit, more than the board. If your association is behind, the honest first step is calling a licensed engineer to get the study scheduled, not waiting for a perfect budget cycle. Boards juggling document deadlines, notice requirements, and owner communication around all of this sometimes use an organizing tool like BoardDeadline's Building-Specific Board Compliance Kit ($199 one-time) to track what's due when and generate the owner notices; the kit organizes and schedules, it doesn't replace the engineer who actually performs the inspection or study.
is there any relief from reserve funding requirements
Yes, but it's narrow and has changed more than once since 2022, so confirm current terms with your association's counsel before relying on any of it. The legislature has passed adjustments (sometimes called reserve fund relief) addressing things like phased catch-up funding, alternative financing options such as lines of credit for SIRS-related work, and clarified timelines for associations that were mid-process when deadlines shifted [3]. The core rule hasn't moved: SIRS-covered components can't be waived or underfunded by membership vote once the deadline applies to your association. What has moved is the fine print around phase-in schedules and financing mechanisms boards can use to get there. For a closer look at what's currently on the books, see florida condo reserve fund relief. Boards should treat any relief provision as a bridge, not a permanent exemption. The obligation to fully fund those structural components is still the destination; relief provisions just affect the route and pace to get there.
are hoa special assessments tax deductible
Generally, no, not for the individual homeowner paying them, and not in most cases for the association either in the way people assume. Special assessments for capital improvements or major repairs to a personal residence are typically treated by the IRS as an addition to the owner's cost basis in the property, not as a current-year deductible expense [5]. That can reduce capital gains tax when the unit is eventually sold, but it doesn't lower this year's income tax bill. There are narrow exceptions. If a unit is a rental property, some portion of the special assessment may be deductible as a business expense or depreciated, depending on whether it counts as a repair or a capital improvement under IRS rules. If a special assessment funds something clearly classified as a deductible casualty-loss repair in a federally declared disaster area, different rules can apply. This isn't a substitute for a CPA's review of a specific situation; owners facing a large special assessment should ask a tax professional how it affects their basis and any future sale, and boards shouldn't represent assessments as tax-deductible in owner communications without that professional confirmation.
reserve study vs milestone inspection: what's the difference
| Purpose | Assess current structural safety | Project future funding needs | |
|---|---|---|---|
| Trigger | 25 years (coastal) / 30 years (inland) from CO, then every 10 years [3] | Every 10 years, per 718.112(2)(g) [1] | |
| Who performs it | Licensed engineer or architect | Licensed engineer or architect | |
| Output | Structural condition report, phase 1 and possibly phase 2 | Component list, cost estimates, funding schedule | |
| Statute | F.S. 553.899 | F.S. 718.112(2)(g) | Many boards schedule both together since the physical inspection work overlaps substantially. See reserve study for condo association for more on aligning the two. |
They're related but not the same document, and boards sometimes conflate them. A milestone inspection is a structural safety inspection, required at 25 or 30 years depending on coastal proximity, that produces a pass/fail-style engineering report on the building's structural integrity right now [3]. A reserve study, including the SIRS version, is a financial planning document. It uses inspection data (sometimes the same milestone inspection findings) to project future costs and set a savings schedule. One tells you whether the building is structurally sound today; the other tells you how much money you need to save so future repairs don't blow up the budget. | Feature | Milestone Inspection | SIRS (Reserve Study) |
how do boards actually get this done: a practical sequence
Start by pulling your association's certificate of occupancy date and coastal distance to confirm your milestone inspection deadline (25 vs 30 years), since that date often drives when it makes sense to schedule the SIRS too. Next, request proposals from at least two or three licensed engineers or reserve specialists who do SIRS work in Florida; ask directly whether they can scope the milestone inspection and SIRS together to control cost. Get the study or inspection contract signed with a realistic timeline, most take several weeks to a few months depending on building size and engineer availability, not overnight. Once the report lands, the board's job shifts to budgeting: build the recommended reserve contribution into next year's assessment, communicate clearly to owners why dues are changing (this is where a lot of board-owner conflict starts if it's handled poorly), and file whatever the report and funding decisions require with the association's records per Chapter 718's recordkeeping rules. For structure on tracking these overlapping deadlines, see reserve study and hoa reserve study.
Frequently asked questions
what is a reserve study
A reserve study is a professional report that inventories a building's major shared components, estimates their remaining useful life and replacement cost, and calculates how much an association needs to save annually to fund those replacements without a special assessment. Florida's SIRS is a specific, statutorily-defined version focused on structural and life-safety components.
what is a reserve study for hoa
For an HOA, it's the same kind of report: an inventory of shared assets (roads, amenities, sometimes roofs) with a funding schedule. Florida's mandatory SIRS mostly applies to condominiums under Chapter 718, not typical single-family HOAs under Chapter 720, though many HOAs get voluntary studies anyway for financial planning.
what is an hoa assessment
An HOA assessment is the fee owners pay to the association, either as a regular recurring charge covering operations and reserves, or as a special assessment levied separately when reserves or budgets don't cover an unexpected or underfunded cost, like a major repair after an inspection finding.
what is hoa assessment
It's the payment obligation owners have to their association, set by the board (regular assessments) or occasionally by a specific vote or board resolution for one-time costs (special assessments). Regular assessments fund operating expenses and reserve contributions; special assessments cover shortfalls or emergencies not already funded.
how much should hoa have in reserve
There's no universal dollar figure; it depends on your reserve study's component list and remaining useful life estimates. The safest target is 100% of the study's calculated funding requirement. Florida requires full funding (no waivers) for SIRS-covered structural items in qualifying condos starting with fiscal years beginning on or after December 31, 2024.
how much should an hoa have in reserves
Same answer as above: it's study-driven, not a flat percentage or dollar amount. Nationally, many associations run at only 30-50% of their ideal fully-funded reserve level, which is a major reason special assessments happen so often. Aim for 100% of your own study's recommendation, not an industry average.
what are hoa assessments
HOA assessments are the dues and fees an association charges owners to cover shared expenses: regular assessments for ongoing operations and reserves, and special assessments for one-time or emergency costs that budgeted reserves don't cover, such as a major structural repair.
what is a reserve study for an hoa
It's a financial planning report specific to that HOA's own shared components and their age, condition, and replacement cost, used to set annual reserve contributions. It's not a generic industry number; it's built from an actual inspection or desktop review of that community's assets.
how much does a reserve study cost
A full reserve study for a Florida condo typically runs roughly $3,000 to $15,000 or more depending on building size and complexity, with periodic updates often costing less, around $1,500 to $5,000. SIRS work involving structural components requires a licensed engineer or architect and can price differently depending on scope.
are hoa special assessments tax deductible
Generally no for a personal residence; the IRS typically treats special assessments for capital improvements as an addition to your cost basis rather than a current deduction. Rental property owners may have different treatment. Always confirm specifics with a CPA before assuming any deductibility.
do all florida condos need a SIRS
Condominium associations with buildings of three or more habitable stories generally must complete a SIRS under Florida Statutes 718.112(2)(g). Smaller condo buildings and most single-family HOAs are typically excluded, but exact applicability depends on building specifics; confirm with your association's counsel.
how often does a SIRS need to be updated
Florida law requires SIRS at least every 10 years for qualifying condominium associations under 718.112(2)(g). Some boards choose to update sooner if a major component is replaced or repaired, since that changes the remaining useful life and cost projections significantly.
can a reserve study replace a milestone inspection
No. A milestone inspection (F.S. 553.899) is a structural safety assessment at 25 or 30 years, while a reserve study or SIRS is a financial funding document. Boards often schedule them together for efficiency, but they answer different questions and are governed by separate statutes.
what happens if my association skips the reserve study
Failing to complete a required SIRS or continuing to underfund SIRS-covered components exposes the board to fiduciary-duty risk and can make units harder to finance, since lenders increasingly ask for SIRS status. Getting a licensed engineer scheduled promptly is the practical fix, not waiting for a better budget year.
Sources
- Florida Senate, Florida Statutes 718.112: SIRS requirement, 10-year interval, no-waiver rule for SIRS-covered components, and fiscal year effective date
- Florida DBPR, Division of Florida Condominiums, Timeshares, and Mobile Homes: State regulatory division overseeing condo association filings and SIRS-related guidance
- Florida Senate, Florida Statutes 553.899: Milestone inspection timing at 25 years (coastal) or 30 years (inland) from certificate of occupancy, repeated every 10 years
- Community Associations Institute (CAI), Reserve study research and funding guidance: Industry percent-funded benchmark context and common underfunding levels among associations
- Internal Revenue Service, Publication 530, Tax Information for Homeowners: Special assessments for capital improvements generally add to cost basis rather than being currently deductible