Last updated 2026-07-24
TL;DR
Florida condos 3+ stories must fund reserves at 100% of a reserve study's recommended level starting with fiscal year 2025, per SB 4-D and 718.112, F.S. HOAs generally still get to vote to waive or underfund reserves unless their documents say otherwise. A reserve study for a mid-size building typically costs $3,000 to $15,000+ depending on size and scope.
What is a reserve study?
A reserve study is a physical inspection and financial analysis, done by a qualified professional, that tells your association two things: what major common-element components you own (roof, paint, pavement, elevators, structural elements) and how much money you need to be setting aside each year to replace or repair them before they fail. It's part engineering report, part funding plan. A good study has two halves. The physical analysis lists every reserve component, its estimated useful life, and its remaining useful life. The financial analysis takes that list and builds a multi-year funding schedule, either "straight-line" (spread the future cost evenly over the years left) or "cash flow" (a rolling model that smooths contributions across all components together). Most Florida associations now use a licensed engineer, reserve specialist, or a person qualified under the statute's new professional criteria to prepare the structural components portion, since the 2022 and 2023 reserve law overhauls tightened who can sign off on it [1]. For condo buildings 3 stories or more, the reserve study covering "structural integrity reserve" (SIRS) items must specifically be performed by a licensed engineer or architect, per section 718.112(2)(g), Florida Statutes [1]. That's a narrower requirement than a general reserve study, which historically could be done by board members eyeballing costs, though nobody recommends that anymore given the statute's exposure for boards that underfund.
What is a reserve study for an HOA?
For homeowners associations (not condos), a reserve study works the same way conceptually, but Florida law treats HOAs much more loosely. Chapter 720, F.S. governs HOAs, and unlike the condo statute, it does not mandate a SIRS or force full funding. Most HOA reserve studies are prepared voluntarily, or because a mortgage lender, insurer, or the association's own bylaws require one before a big loan or a Fannie Mae-eligible sale. An HOA reserve study typically covers roads, retention ponds, clubhouse buildings, pools, gates, and irrigation systems, since single-family HOAs don't own vertical condo buildings the same way. The methodology (component list, useful life estimates, funding schedule) is identical to a condo study. The difference is entirely legal: an HOA board can usually still vote each year to fund reserves at whatever level the membership approves, including zero, unless the governing documents specifically lock in full funding [2]. If your community is a mixed-use or has any building 3 stories or higher classified as a condominium under Chapter 718 (some HOAs have attached condo buildings), check which statute actually governs your structures before assuming HOA rules apply. This is a documents question for your association's attorney, not something to guess at.
How much should an HOA (or condo) have in reserves?
There's no single dollar figure or percentage that Florida law sets as "enough" reserves for every association; the right number is whatever your reserve study calculates for your specific components, ages, and replacement costs. That said, the industry benchmark most reserve specialists use is a "percent funded" ratio: reserves on hand divided by the ideal reserve balance at that point in each component's life cycle. The Community Associations Institute and most state reserve study standards treat 70% funded or higher as strong, 30% to 70% as fair, and under 30% as weak or at risk of a special assessment [3]. Very few associations nationally sit above 70%; a widely cited 2018 study by the Foundation for Community Association Research found the average U.S. association reserve fund was funded at roughly 40% of the ideal level [4], though that figure is now several years old and conditions vary a lot by state and by how aggressively boards have been raising dues. For Florida condos 3 stories and up, the newer legal answer as of fiscal year 2025 is blunt: 100% of the reserve study's recommended funding level, full stop, for the components covered by SIRS (roof, load-bearing walls, primary structural systems, fireproofing, plumbing, electrical, waterproofing, and a few others listed in 718.112(2)(g)) [1]. Boards no longer get to vote to waive or reduce those specific reserve line items. Non-SIRS reserve items (painting, pavement, landscaping) can still potentially be waived or underfunded if the membership votes to do so, depending on the exact language in current law, so confirm current treatment with your association's counsel since this area has been amended repeatedly since 2022.
How much does a reserve study cost?
| Basic HOA reserve study (no structural inspection) | Small HOA, common amenities only | $1,500 to $4,000 | |
|---|---|---|---|
| Full reserve study, condo | 20-50 unit mid-rise | $3,500 to $8,000 | |
| SIRS (structural integrity reserve study), engineer-prepared | 3+ story condo, 50-150 units | $8,000 to $20,000+ | |
| SIRS, larger or coastal high-rise | 150+ units, complex structure | $20,000 to $50,000+ | These are industry-reported ranges, not fixed prices; get at least two or three quotes from licensed engineering or reserve study firms before committing. Cost scales with square footage, number of structural systems, accessibility (parking garages and seawalls add inspection time), and whether the firm needs to do destructive testing to assess concrete or rebar condition. Most associations should plan to update the reserve study every few years, not treat it as a one-time expense. Some engineers recommend refreshing the numbers every 3 to 5 years, or sooner after a major storm event or after completing a milestone inspection, since that inspection can surface new deferred maintenance items that belong in the reserve schedule. See our reserve study guide for how to scope and bid one, and the SIRS-specific version if your board is doing this for the first time under the new law. |
Cost depends heavily on building size, number of components, and whether you need the engineer-level SIRS inspection or a lighter general reserve study. Rough ranges reported by reserve study firms and reflected in industry surveys: | Study type | Typical building | Approximate cost |
What is an HOA assessment, and how is it different from a reserve contribution?
An HOA assessment is any charge the association levies against unit or lot owners to fund its budget, whether that's the regular monthly or quarterly dues ("regular assessment") or a one-time extra charge for a specific need ("special assessment"). Reserve contributions are usually baked into the regular assessment as a line item; special assessments happen when reserves and regular income aren't enough to cover an unexpected or underfunded cost. Florida condo law defines assessments broadly in section 718.103, F.S., and gives associations lien and foreclosure rights for unpaid assessments under section 718.116 [5]. HOAs have parallel authority under Chapter 720. In practice, boards use special assessments when a reserve study wasn't funded aggressively enough, when a storm causes damage beyond what insurance covers, or when a milestone inspection or SIRS turns up structural repairs that can't wait for the next budget cycle. The honest reality: special assessments are usually a sign the reserve funding plan failed, was ignored by a prior board, or the building is older than its reserve schedule assumed. A board that funds reserves properly from the start rarely needs a large special assessment for routine component replacement. Read more in our HOA special assessment explainer for how these get approved and billed.
What are HOA assessments used for, specifically?
Regular assessments cover day-to-day operating costs (insurance, landscaping, management fees, utilities for common areas) plus the reserve contribution for future capital repairs. Special assessments cover anything that operating income and existing reserves can't, most commonly a new roof, repaving, elevator modernization, storm damage not fully covered by insurance, or a structural repair flagged by a milestone inspection or engineering report. Florida condo boards must follow specific notice and voting procedures before levying either kind of assessment; the exact threshold (board vote alone, or membership vote) depends on your declaration and the size of the expense. This is a documents question, and boards should route it through counsel rather than assume last year's process still applies, since notice requirements have shifted with recent statutory amendments. One pattern boards run into a lot in older coastal buildings: a milestone inspection under section 553.899, F.S. finds deferred structural maintenance, the SIRS then has to fund the repair going forward, and the immediate gap between "we need it now" and "reserves aren't there yet" gets filled by a special assessment. That's the exact sequence that has driven six-figure and even seven-figure special assessments at some older South Florida condos since 2022.
Are HOA special assessments tax deductible?
Generally, no, not for the individual owner on their personal income tax return, if the assessment goes toward capital improvements, reserves, or structural repairs to the building. The IRS treats most special assessments the same way it treats other capital contributions: they add to your cost basis in the property rather than being deductible as a current-year expense. There are narrow exceptions. If a portion of the special assessment is specifically for maintenance/repair type items on a property that is a rental or investment unit, it may be deductible as a rental expense in the year paid or depreciated, subject to normal IRS capital-versus-repair rules. If your unit is used as a rental, talk to a CPA, since the treatment depends on what the assessment actually paid for, more than what your association called it. The IRS doesn't publish condo-specific guidance naming "HOA special assessment" directly, so this comes from general capital improvement and rental property rules in IRS Publication 527 (Residential Rental Property) [6] and general basis rules in Publication 523 (Selling Your Home) [7]. Don't rely on a board member's informal answer here; this is a tax question for your accountant, not a board compliance question.
How does Florida's SIRS law change reserve funding for condos?
Senate Bill 4-D, passed in 2022 after the Champlain Towers South collapse, and its follow-up amendments in 2023 and 2024 rewrote reserve rules for Florida condos 3 stories or taller. The core change: associations subject to SIRS can no longer vote to waive reserves for the structural components the SIRS covers, and by law they must fund those reserve line items at 100% starting with the fiscal year beginning on or after December 31, 2024, commonly shorthanded as "starting fiscal year 2025" [1]. The statute lists specific components that must get their own reserve line item: roof, structure (load-bearing walls and other primary structural members), fireproofing and fire protection systems, plumbing, electrical systems, waterproofing and exterior painting, windows and exterior doors, and any item with a deferred maintenance expense over $10,000 that would otherwise threaten habitability if left unaddressed, per 718.112(2)(g), F.S. [1]. Boards must obtain the SIRS by December 31, 2024 for most buildings (with some phase-in variation by inspection due date tied to the milestone inspection schedule), and turnover developers can't waive reserves for buildings subject to this section. The legislature has revisited this law multiple times since 2022, including a 2023 bill (SB 154) that clarified some funding mechanics and added limited relief mechanisms for associations that can show financial hardship . Given how often this statute has moved, boards should treat any reserve percentage or deadline they read online, including in this article, as a starting point to verify with current statute text and their attorney, not a final answer. See our Florida condo reserve fund relief piece for what limited flexibility currently exists.
What happens if a board doesn't fund reserves properly?
Underfunded reserves don't disappear the liability; they just move the bill to whoever owns a unit when the roof, plumbing stack, or structural repair finally can't wait anymore, usually in the form of a special assessment that lands all at once instead of being spread across years of manageable dues increases. For SIRS-covered components in condos 3 stories and up, Florida law removed the board's discretion to underfund starting with the 2025 fiscal year, meaning a board that budgets below the study's recommended contribution for those items may be out of compliance with 718.112, F.S., more than making a poor financial choice [1]. Boards, and in some cases individual directors, can face exposure for failing to follow statutory reserve funding requirements, so this isn't purely a budgeting preference anymore for the covered components. Beyond the legal exposure, underfunded reserves make units harder to sell. Mortgage lenders following Fannie Mae and Freddie Mac condo project guidelines increasingly ask for reserve funding percentages and SIRS status before approving loans in a building, and a poorly funded reserve fund or a building flagged as "unavailable" for financing can freeze resale value across an entire association, more than for the seller who happens to be listing that month.
How do boards actually organize this without a full-time staff?
Most volunteer boards are juggling a reserve study, a milestone inspection, a SIRS deadline, insurance renewal, and normal association business with a handful of people who have day jobs. The paperwork burden is real: tracking which report is due when, which professional is licensed to do what, and which vote or notice requirement applies to which decision. That's the specific gap our $199 one-time Board Compliance Kit is built to close: it organizes your building's specific milestone inspection and SIRS deadlines, reserve study renewal schedule, and required owner notices into one calendar and document set, based on your building's age, height, and county. It doesn't replace your engineer, your reserve specialist, or your attorney, and it doesn't tell you whether your building is "compliant," since that's a legal and engineering judgment specific to your documents and your structure. It just keeps the deadlines and the paper trail organized so nothing slips through a volunteer board's cracks. For boards early in this process, start with a reserve study and a milestone inspection scoping conversation with licensed professionals before you touch a compliance calendar tool of any kind; the schedule only works if the underlying inspections are already lined up.
What's the difference between a reserve study and a milestone inspection?
A milestone inspection, required under section 553.899, F.S. for most Florida condo and cooperative buildings 3 stories or higher, is a one-time structural safety inspection due at 30 years of age (25 years if within 3 miles of the coast), then every 10 years after . It answers a narrower question: is the building's structure currently safe, and does it show substantial structural deterioration? A reserve study, by contrast, is a financial planning document that answers: how much money do we need to save, and on what schedule, to pay for repairing or replacing components over their useful life. The two overlap because a milestone inspection can identify problems that then have to get folded into the SIRS and the reserve funding plan. In practice, most engineering firms handling milestone inspections also do SIRS work, since the data collection overlaps heavily, but they're two distinct statutory requirements with different trigger dates and different deliverables. Confirm your building's specific milestone timeline in our milestone inspections coverage.
Frequently asked questions
What is a reserve study?
A reserve study is a professional inspection and financial analysis that identifies an association's major common-element components (roof, structure, plumbing, elevators, paving) and calculates how much money should be saved each year to repair or replace them before they fail, based on each component's remaining useful life and estimated replacement cost.
What is a reserve study for an HOA?
It's the same basic tool used for homeowners associations rather than condos: a component list and funding plan covering roads, ponds, clubhouses, pools, and other shared HOA amenities. Unlike Florida condo law, Chapter 720 doesn't require HOAs to get a reserve study or fully fund it, so most HOA studies happen voluntarily or by lender request.
What is an HOA assessment?
An HOA assessment is any charge the association bills to owners to fund its operations, including the regular monthly or quarterly dues and any one-time special assessment for extra costs like a new roof or storm repairs. Florida associations have lien rights against unpaid assessments under sections 718.116 and Chapter 720.
How much should an HOA have in reserves?
There's no universal dollar figure; the right amount is whatever your association's reserve study calculates for your specific components. The industry generally treats 70%+ funded as strong and under 30% as high-risk. Florida condos 3+ stories now must fund SIRS-covered components at 100% of the study's recommendation starting fiscal year 2025 under 718.112, F.S.
How much should a condo have in reserves compared to an HOA?
Condos 3 stories or higher in Florida face a legal 100% funding requirement for SIRS components starting fiscal year 2025, with no board waiver option for those items. HOAs generally still have discretion to vote to fund at a lower level or waive reserves entirely, unless their own governing documents say otherwise.
How much does a reserve study cost?
A basic HOA reserve study runs roughly $1,500 to $4,000. A full condo reserve study is typically $3,500 to $8,000. A SIRS requiring a licensed engineer for a 3+ story building generally runs $8,000 to $20,000 or more, scaling up for larger or structurally complex buildings. Get multiple quotes; prices vary a lot by firm and scope.
Are HOA special assessments tax deductible?
Usually not on your personal return, since most special assessments for capital repairs or reserves add to your property's cost basis rather than counting as a deductible expense. An exception exists for rental or investment units, where a portion may be deductible as a repair expense. Check with a CPA since treatment depends on what the assessment funded.
What are HOA assessments used for?
Regular assessments cover operating costs and reserve contributions. Special assessments cover gaps: unexpected repairs, storm damage beyond insurance coverage, or capital projects a reserve study didn't fully fund in advance, like a roof replacement or a structural repair flagged by a milestone inspection.
Does Florida law require condos to have a reserve study?
Yes, for condos 3 stories or taller, a structural integrity reserve study (SIRS) prepared by a licensed engineer or architect is required under 718.112(2)(g), F.S., with the reserves for covered components funded at 100% starting with the fiscal year beginning on or after December 31, 2024.
Can a condo board still vote to waive reserves in Florida?
Not for SIRS-covered structural components in condos 3+ stories; the 2022-2024 statutory changes removed that waiver option for roof, structure, plumbing, electrical, waterproofing, and similar items. Non-SIRS reserve items may still have some waiver flexibility depending on current law and your documents; confirm specifics with your association's attorney.
How often should an association update its reserve study?
Most reserve specialists recommend refreshing the study every 3 to 5 years, or sooner after a major storm, a milestone inspection finding, or a big capital project that changes the component list. Florida's SIRS requirement itself doesn't set a fixed update cycle in statute beyond the initial deadline, so check current guidance.
What's the difference between a milestone inspection and a SIRS?
A milestone inspection under 553.899, F.S. checks current structural safety at 25 or 30 years and every 10 years after. A SIRS is a financial planning document that sets reserve funding levels for structural components. They're separate statutory requirements, though the same engineering firm often handles both since the underlying data overlaps.
Sources
- Florida Legislature, Florida Statutes section 718.112: SIRS reserve funding requirements, 100% funding mandate, covered components, and effective fiscal year
- Florida Legislature, Florida Statutes Chapter 720: HOA reserve funding rules differ from condo law and generally allow membership votes on funding levels
- Florida Legislature, Florida Statutes section 718.116: Condo association lien and foreclosure rights for unpaid assessments
- Internal Revenue Service, Publication 527: Tax treatment rules for rental property expenses including special assessments
- Internal Revenue Service, Publication 523: Capital improvement and cost basis rules relevant to special assessments on a primary residence
- Florida Legislature, Senate Bill 154 (2023): 2023 amendments clarifying SIRS funding mechanics and limited relief provisions
- Florida Legislature, Florida Statutes section 553.899: Milestone inspection requirement, 25/30-year trigger based on coastal proximity, and 10-year recurring schedule