Last updated 2026-07-24
TL;DR
A condo reserve fund is money an association sets aside for future big-ticket repairs (roofs, painting, structural work) instead of borrowing or special-assessing later. Florida law now requires most condos 3+ stories to get a Structural Integrity Reserve Study (SIRS) and fund those reserves fully, no more waiving them for structural items, effective Dec. 31, 2024 under Fla. Stat. § 718.112.
What is a reserve study?
A reserve study is a professional assessment of your building's major common-element components (roof, structure, plumbing, electrical, painting, pavement, elevators, and so on) that estimates each item's remaining useful life and the cost to repair or replace it. The output is a funding schedule: how much the association should be putting into reserves each year so the money is there when the roof actually needs replacing, instead of hitting owners with a surprise bill. Most reserve studies have two halves. The physical analysis inspects components and estimates remaining life. The financial analysis takes those numbers and current reserve fund balances and models different funding paths (straight-line, or "component," versus pooled/cash-flow methods) to hit full funding by target dates. In Florida, condo associations 3 stories or higher now need a specific subtype called a Structural Integrity Reserve Study (SIRS), which is narrower and more technical than a generic reserve study. A SIRS only covers structural and life-safety items: roof, load-bearing walls and other primary structural members, floor, foundation, fireproofing/fire protection, plumbing, electrical, waterproofing, and windows and doors [1]. It has to be performed or supervised by a licensed engineer or architect, and a visual inspection is the statutory minimum standard [1]. A general reserve study (the kind boards did voluntarily for decades, and still need for non-structural items like paving, painting, and pools) doesn't have to be done by a licensed engineer. Many are done by reserve-study specialists or firms holding credentials like the Reserve Specialist (RS) designation from the Community Associations Institute. For a deeper walkthrough of how these studies work and who can perform them, see our reserve study guide.
What is a reserve study for an HOA?
For a homeowners association, a reserve study works the same way conceptually, but the legal requirements are different and, frankly, looser. Florida's SIRS and mandatory-full-funding rules in § 718.112 apply to condominiums under Chapter 718, not to HOAs under Chapter 720 [2][3]. HOAs are not currently required by state law to get a SIRS or to fully fund reserves for structural components the way condos are. That doesn't mean HOA boards should skip reserve planning. HOAs still own common infrastructure, roads, clubhouses, pools, gates, drainage, that fails on its own schedule regardless of what statute applies. A voluntary reserve study for an HOA typically covers site amenities and shared structures rather than building components, since most HOA homes are individually owned outside the association's structural responsibility. If your HOA does include multi-story buildings, common corridors, or attached structures the association maintains, it's worth asking your association's counsel whether any Chapter 718-adjacent obligations or local ordinances apply, because some counties and municipalities have layered their own structural inspection rules on top of state law after the Surfside collapse in 2021. Our HOA reserve study page walks through the practical differences between condo and HOA obligations in more detail.
How much should an HOA (or condo) have in reserves?
There's no single dollar figure or percentage that's universally "right," and anyone who gives you one number without asking about your building's age, materials, and climate exposure is guessing. What matters is whether your reserves match your reserve study's funding schedule for your specific components. The industry rule of thumb some reserve specialists use as a rough gut-check is that reserves should be funded to at least 70% of the fully funded level to avoid a high probability of needing a special assessment, but that's a common professional heuristic, not a Florida statutory threshold. Florida's actual legal standard for condos as of the current law is stricter for structural items: full funding of the SIRS components, no more voting to waive or underfund reserves for roof, structure, plumbing, electrical, waterproofing, and the other SIRS categories [1]. Before the 2022-2024 legislative changes (SB 4-D and SB 154), Florida condo boards could vote annually to waive reserves entirely or fund them partially. That option is gone for SIRS components once your building's SIRS is due. Non-SIRS reserve items (painting, paving, pools, and so on) can still be waived or underfunded by a majority vote of owners at a meeting, unless your declaration says otherwise, so confirm the current rule with your association's counsel since this has been amended repeatedly. A practical starting point: pull your most recent reserve study's funding schedule and compare current reserve balances line by line. If you're below 50% funded, plan for either accelerated contributions or a special assessment. For a comparison of how reserve levels intersect with special assessment planning, see our reserve study for condo association explainer.
What is a condo or HOA assessment?
An assessment is simply the money owners are legally obligated to pay their association, on top of whatever mortgage or property tax they owe elsewhere. Regular assessments (often called dues or maintenance fees) fund day-to-day operating costs and reserve contributions. Special assessments are one-time charges levied when the association needs money it doesn't have in reserves, usually for an emergency repair, a big project, or a reserve shortfall. Under Florida Statute § 718.116, condo assessments are the legal obligation of the unit owner from the moment the association makes the assessment, and unpaid assessments become a lien on the unit [4]. Boards typically levy special assessments by board resolution rather than a full owner vote, though your declaration may require notice and, in some cases, a membership vote depending on the amount and what the documents say. That's a document-specific question your association's counsel needs to answer, not something a general article can resolve for your building. Special assessments tend to spike after a milestone inspection or SIRS reveals deferred maintenance that reserves didn't cover. Our HOA special assessment guide breaks down notice requirements, payment plan options, and what boards can and can't do when levying one.
How much does a reserve study cost?
| General reserve study | Reserve specialist / consultant | All reserve components (roof, paint, paving, pools, etc.) | $3,000 to $8,000+ | |
|---|---|---|---|---|
| SIRS (Structural Integrity Reserve Study) | Licensed engineer or architect | Structural/life-safety items only (roof, load-bearing walls, floor, foundation, plumbing, electrical, waterproofing, windows/doors) | Often higher than a general study; varies by building size and engineer rates | |
| Milestone inspection | Licensed engineer or architect | Structural safety inspection at 25 or 30 years, phase 1 and phase 2 | Separate from SIRS; cost varies by scope | Boards sometimes bundle the milestone inspection and SIRS with the same engineering firm to save on mobilization costs, since both involve inspecting similar structural elements. Ask any firm you're considering for references, proof of licensure through DBPR's licensee search, and a sample report before signing a contract. |
Cost depends heavily on building size, number of components, and whether you need a full SIRS (engineer-stamped) or a general reserve study. As a rough range based on industry reporting, a general reserve study for a mid-size condo association commonly runs $3,000 to $8,000, while larger or more complex properties with many components can run higher [5]. A SIRS, because it requires a licensed engineer or architect and covers structural/life-safety systems specifically, tends to cost more than a comparable general reserve study for the same building, though DBPR does not publish a standardized fee schedule and prices vary widely by firm, region, and building complexity. Here's a rough comparison to set expectations. Treat these as planning ranges, not quotes, since your building's exact cost depends on square footage, number of buildings, accessibility for inspection, and local engineering rates. | Study type | Who performs it | Typical scope | Rough cost range |
Are HOA or condo special assessments tax deductible?
Generally, no, not for the average unit owner using the property as a personal residence. The IRS treats special assessments for capital improvements to your building similarly to how it treats capital improvements on any home you own: they typically aren't deductible in the year paid, but they may add to your cost basis in the property, which can reduce capital gains tax when you eventually sell [6]. There's a narrow exception. If you rent out your unit as a rental property, special assessments related to repairs and maintenance may be deductible as a rental expense, or depreciated over time if they count as a capital improvement, following the same rules that apply to any rental property owner [6][7]. This is genuinely complicated and depends on whether the assessment is for a repair versus an improvement, how long you've owned the unit, and your specific tax situation. This is not tax advice, and this article isn't qualified to tell you how your specific assessment should be treated. Talk to a CPA or tax attorney familiar with real estate before assuming anything about deductibility, especially with large special assessments tied to SIRS or milestone-inspection repairs, since the dollar amounts involved make a wrong assumption expensive.
What are the deadlines for SIRS and milestone inspections in Florida?
Florida condo buildings 3 stories or higher generally needed their first milestone inspection by Dec. 31, 2024 if the building was 30 years old (or 25 years old if within 3 miles of the coast) as of that date, under Fla. Stat. § 553.899 [8]. Buildings that reach that age threshold after 2024 have to get their milestone inspection within the applicable window after hitting 30 (or 25 coastal) years, and then every 10 years after. The SIRS deadline runs on a related but separate track. Condo associations for buildings 3 stories or higher had to complete their initial SIRS by Dec. 31, 2024, and update it at least every 10 years [1]. The milestone inspection looks at structural safety at a point in time; the SIRS is about funding future repairs. Boards sometimes conflate the two, but they're different statutory requirements with different professionals doing the work in some cases, even though many firms perform both. DBPR (the Florida Department of Business and Professional Regulation) is the state agency with regulatory oversight over condo associations and licensed community association managers, and its website is the place to verify current statutory deadlines and any legislative updates, since these dates have moved before and could move again . If your board is unsure where your building stands relative to these deadlines, that's a conversation for your engineer and your association's counsel, not a DIY calculation from a blog post.
What happens if a condo board doesn't fund reserves properly?
The most immediate consequence is a special assessment, sometimes a very large one, when a structural repair can't wait and there's no cash to pay for it. Boards that under-reserve for years and then face a roof failure or the aftermath of a failed milestone inspection often have to charge owners tens of thousands of dollars at once, which can trigger unit sales, foreclosures for owners who can't pay, and serious conflict at board meetings. There's also a legal dimension. Since SB 4-D and SB 154 removed the ability to waive reserves for SIRS components, a board that continues collecting reduced dues without properly funding structural reserves may be exposing itself to claims of breach of fiduciary duty, separate from any statutory penalty DBPR might pursue. Fla. Stat. § 718.111 lays out the board's fiduciary responsibility to the association and its members generally , and reserve underfunding in the face of a known SIRS obligation is exactly the kind of decision that gets scrutinized after the fact, especially if a loss or injury follows. Boards facing a reserve shortfall generally have a few real options: a special assessment, a bank loan secured against future assessments, a line of credit, or some combination phased over a few years. None of these are painless, and the right mix depends on interest rates at the time, how much owners can absorb, and how urgent the repair is. This is exactly the kind of decision where getting professional financial and legal advice up front costs a lot less than getting it wrong.
How do reserve funds interact with insurance and special assessment risk?
Reserve funds and insurance are meant to cover different things, but boards that are thin on both end up in the worst position: unable to pay for routine deferred maintenance and exposed if a major loss (hurricane, fire, structural failure) exceeds what the master policy pays out. A well-funded reserve reduces how often a board needs a special assessment for foreseeable wear-and-tear items; insurance is there for the sudden, unpredictable losses. After major storms, Florida condo boards have increasingly looked at supplemental coverage, sometimes called special assessment insurance or loss assessment coverage, which can help cover an owner's share of a master-policy deductible or gap after a covered event. This is a product some owners buy individually through their homeowner's or condo (HO-6) policy, and boards sometimes recommend owners carry it given how expensive Florida windstorm deductibles have gotten. Our condo special assessment insurance page explains how that coverage works and where it does and doesn't help. One administrative note: keeping SIRS records, milestone inspection reports, and reserve study updates organized and easy to hand to a lender, insurer, or buyer's attorney has become its own headache for volunteer boards since 2022, because so many transactions now ask for proof of compliance status documents. A $199 Building-Specific Board Compliance Kit is one option boards use to organize the paperwork, track renewal dates, and generate owner communications around SIRS and milestone deadlines; it doesn't replace the licensed engineer or reserve specialist who actually performs the inspection or study, and it doesn't make any compliance determination about your building. That call belongs to your engineer and your counsel.
Can a condo board still waive or reduce reserves in Florida?
Not for SIRS-covered structural components, as of the current law. Fla. Stat. § 718.112(2)(f) removed the membership's ability to vote to waive or reduce reserve funding for the items covered by a SIRS (roof, load-bearing walls, floor, foundation, fireproofing and fire protection systems, plumbing, electrical systems, waterproofing and exterior painting, and windows and doors) once the SIRS is completed [1]. The statute states associations "may not" vote to provide no reserves or less reserves than required for these items [1]. For non-SIRS reserve items, the older rule generally still applies in most associations: owners can vote at a properly noticed meeting to waive reserves for that year or fund them at a reduced level, unless the declaration says otherwise. This creates an odd situation where a board might be legally required to fully fund roof and structural reserves while having flexibility on, say, pool resurfacing or clubhouse carpet. Given how many times this framework has been amended since 2022 (SB 4-D in 2022, SB 154 in 2023, and further tweaks since), do not rely on any single article, including this one, for the exact current wording. Confirm with your association's counsel and county before your board takes a vote on reserve waivers, because getting this wrong has real legal exposure attached to it.
Frequently asked questions
What is a reserve study?
A reserve study is a professional evaluation of an association's major shared components, roof, structure, plumbing, paving, and so on, that estimates each item's remaining life and future replacement cost, then builds a funding schedule so the association saves enough money over time instead of hitting owners with surprise special assessments.
What is a reserve study for an HOA?
For an HOA, a reserve study evaluates shared amenities and infrastructure the association maintains (roads, clubhouse, pool, gates) and estimates future repair costs. Unlike Florida condos, HOAs under Chapter 720 are not currently required by state law to complete a Structural Integrity Reserve Study or fully fund structural reserves.
What is an HOA or condo assessment?
An assessment is money owners must legally pay their association, either as regular recurring dues covering operations and reserves, or as a special (one-time) charge for a specific project or shortfall. Under Fla. Stat. § 718.116, unpaid condo assessments become a lien on the unit.
How much should a condo or HOA have in reserves?
There's no universal dollar figure; it depends on your reserve study's funding schedule for your specific components. A common industry rule of thumb targets at least 70% funded to lower special-assessment risk, but Florida law now requires full funding of SIRS structural components for qualifying condos, with no waiver option.
How much does a reserve study cost?
General reserve studies for a mid-size condo typically run $3,000 to $8,000, though larger or more complex properties cost more. A SIRS, requiring a licensed engineer or architect and covering structural/life-safety items only, often costs more than a comparable general study, and prices vary widely by region and building size.
Are HOA or condo special assessments tax deductible?
Usually not for a personal residence; special assessments for capital improvements typically aren't deductible but may add to your cost basis, reducing capital gains tax when you sell. If the unit is a rental property, some assessments may be deductible or depreciable as a business expense. Confirm with a CPA.
What is the difference between a SIRS and a milestone inspection?
A milestone inspection is a point-in-time structural safety check required at 30 years (25 if coastal) and every 10 years after, under Fla. Stat. § 553.899. A SIRS is a funding study that estimates future costs for structural components so the association reserves properly; both are required for Florida condos 3+ stories.
Do all Florida condos need a SIRS?
Condominium associations with buildings 3 stories or higher generally must complete a SIRS, per Fla. Stat. § 718.112. Buildings under 3 stories, and most single-family HOAs, are not covered by this requirement. Confirm applicability with your association's engineer and counsel since building configuration details matter.
Can owners vote to waive condo reserves in Florida?
No, not for SIRS-covered structural items (roof, load-bearing walls, plumbing, electrical, waterproofing, windows/doors, and similar) once a SIRS is completed; Florida law removed that waiver option. Owners may still be able to vote to waive or reduce reserves for non-SIRS items like painting or paving, depending on the declaration.
What happens if a board doesn't properly fund reserves?
The building risks a large, sudden special assessment when a major repair (like a roof or structural fix) can't wait. Boards can also face fiduciary duty scrutiny under Fla. Stat. § 718.111 for knowingly underfunding required reserves, especially after SIRS or milestone inspection findings show a problem.
Who can perform a Florida SIRS?
A Structural Integrity Reserve Study must be performed or supervised by a licensed engineer or architect, per Fla. Stat. § 718.112. A general (non-SIRS) reserve study covering non-structural items doesn't require an engineer and is often done by a credentialed reserve specialist.
Is a reserve study the same as a reserve fund?
No. A reserve study is the analysis and funding plan; the reserve fund is the actual pool of money the association has saved based on that plan. A building can have a completed reserve study and still have an underfunded reserve fund if the board hasn't followed the recommended contribution schedule.
Sources
- Florida Senate, Florida Statutes Chapter 718.112: SIRS requirements, covered components, and removal of reserve waiver for SIRS items
- Florida Senate, Florida Statutes Chapter 718: Condominium association statutory framework under Chapter 718
- Florida Senate, Florida Statutes Chapter 720: HOA statutory framework under Chapter 720, distinct from condo SIRS rules
- Florida Senate, Florida Statutes Section 718.116: Assessment obligations and lien rights for unpaid condo assessments
- Internal Revenue Service, Publication 530 (Tax Information for Homeowners): Tax treatment of home improvements and special assessments for cost basis purposes
- Internal Revenue Service, Publication 527 (Residential Rental Property): Deductibility rules for repairs and capital improvements on rental property
- Florida Senate, Florida Statutes Section 553.899: Milestone inspection deadlines at 30 years (25 if within 3 miles of coast) and 10-year recurring requirement
- Florida Senate, Florida Statutes Section 718.111: Board fiduciary duty to the association and its members