Last updated 2026-07-24
TL;DR
A structural integrity reserve study (SIRS) is a Florida-mandated inspection and funding plan, required for condos 3 stories or higher, covering items like roofs, load-bearing walls, and plumbing. Miami-Dade buildings 30+ years old (25 if within 3 miles of the coast) must also complete milestone inspections. SIRS reports typically cost $3,000 to $20,000+ depending on building size and complexity.
What is a reserve study?
A reserve study is an engineering and financial assessment of a building's major common elements, the roof, the pool deck, the elevators, the plumbing risers, done to figure out how much money an association needs to save now so it can pay for replacements later without a surprise bill. A good study has two halves: a physical inspection that estimates remaining useful life for each component, and a funding schedule that says how much to collect each year. Most associations outside Florida still treat reserve studies as optional, something the board can waive with a member vote. Florida changed that calculus after the Champlain Towers South collapse in Surfside in June 2021, which killed 98 people. The legislature passed SB 4-D in 2022 and refined it with SB 154 in 2023, creating a new, mandatory version of the reserve study called the Structural Integrity Reserve Study, or SIRS, for condo and cooperative buildings three stories or taller [1]. A standard reserve study still matters for HOAs (single-family and townhome associations) and for condos under three stories, since those aren't covered by the SIRS mandate. For a deeper walkthrough of how a general reserve study works and what it should include, that's a good next stop.
What is a reserve study for an HOA?
For a homeowners association, a reserve study is the same basic idea, an inspection plus a savings plan, but it's not bound by the condo-specific SIRS statute unless the HOA also happens to include buildings 3+ stories with common-element structures (rare, but it happens with some townhome-over-garage configurations or attached HOA buildings). Florida Statute 720.303(6) governs HOA reserves generally and works differently from the condo statute. HOAs can still fund reserves on a "pooled" or component basis, and importantly, HOA members can vote to waive or reduce reserve funding for the year, something condo boards under the new SIRS rules mostly cannot do anymore for SIRS-required items [2]. That distinction trips up a lot of board members who serve on both condo and HOA boards and assume the same rules apply everywhere. They don't. If your association is an HOA and you want the mechanics of what should go into that study, see the HOA reserve study explainer for a fuller breakdown.
What does a structural integrity reserve study (SIRS) actually cover in Miami?
Florida Statute 718.112(2)(g) lists specific components that a SIRS must address for any condo building 3 stories or higher: roof, load-bearing walls and other primary structural members and systems, floor, foundation, fireproofing and fire protection systems, plumbing, electrical systems, waterproofing and exterior painting, and windows [3]. The statute is explicit that this list is the floor, not the ceiling, boards can ask engineers to study more if they want. A licensed engineer or architect has to perform the physical inspection portion. The statute requires that the person doing the visual inspection component be "a licensed engineer or architect authorized to practice in this state" [3]. Boards cannot do this themselves, and a property manager's walkthrough doesn't satisfy the requirement either. For Miami specifically, coastal exposure, salt air, and hurricane-driven wind loads mean waterproofing, exterior paint systems, and window/door integrity tend to show wear faster than in inland Florida buildings, which often pushes SIRS cost estimates for these components higher than a similarly sized building in, say, Orlando. There's no statewide dataset breaking out coastal vs. inland SIRS costs, so treat that as informed judgment from engineers who work the Miami-Dade and Broward market, not a hard number.
What is an HOA assessment (and how is it different from a special assessment)?
An HOA assessment is simply the regular fee members pay, monthly, quarterly, or annually, to fund the association's operating budget and reserves. It's the ordinary dues line. A special assessment is a separate, one-time (or sometimes multi-installment) charge levied outside the normal budget cycle, usually to cover an unexpected repair, a legal settlement, or a reserve shortfall the board didn't see coming, or saw coming and didn't fund. Condo boards in Florida can levy special assessments under the authority in F.S. 718.116 and their own declaration, generally without a membership vote unless the governing documents say otherwise, though large assessments often trigger required notice and sometimes a board meeting with specific agenda disclosure. HOAs work similarly under F.S. 720.303, though again, some HOA declarations require a membership vote above a certain dollar threshold. The SIRS mandate is precisely why special assessments have spiked across South Florida since 2022: buildings that deferred roof or structural repairs for a decade now have engineers documenting the deficiency in writing, and once it's in a SIRS report, the board has much less room to keep deferring. For more on how these charges get triggered and structured, see hoa special assessment.
What are HOA assessments used for, exactly?
Regular assessments typically fund three buckets: operating expenses (insurance, landscaping, management fees, utilities for common areas), reserve contributions (savings for future big-ticket replacements), and sometimes debt service if the association has an outstanding loan. Under Florida's post-Surfside reforms, condo associations now have much less flexibility to skip the reserve bucket. As of the SB 4-D and SB 154 changes, condo boards can no longer vote to waive or reduce reserves for the specific components covered by a SIRS report, starting with fiscal years beginning January 1, 2025 [1] [4]. That's a real shift from the pre-2022 world, where an annual membership vote to underfund reserves was routine and, frankly, how a lot of buildings ended up in the special-assessment mess they're in now. HOAs retain more discretion here; F.S. 720.303(6) still allows a membership vote to waive or reduce reserves in most cases, so an HOA board that wants full funding discipline has to build the case to its own members, statute won't force it.
How much should an HOA (or condo) have in reserves?
There's no single dollar figure the state hands you; the right reserve balance depends entirely on your components' remaining useful life, replacement cost, and how aggressively you want to fund toward full funding versus baseline funding. What the statute does require, for condos subject to SIRS, is that the reserve study calculate funding using either the straight-line method or an actuarial method, and that by January 1, 2025 (later extended in practice for many associations, so confirm your building's specific deadline with counsel), those SIRS-covered reserves must be funded at the level the study recommends, no more "pooling" everything into one discretionary bucket for these items [1] [3]. A common industry rule of thumb, not a legal standard, is that a well-funded reserve account should sit around 70% or higher of "fully funded" status (the theoretical amount you'd have if every component's reserve matched its exact depreciated value). Associations under roughly 30% funded are generally considered at high risk of a special assessment. These percentages come from reserve-study industry practice (used by firms like Association Reserves and referenced in state legislative reports), not a Florida statute, so treat them as planning benchmarks, not compliance thresholds.
How much does a reserve study (or SIRS) cost in Florida?
| Basic HOA reserve study | $1,500 to $5,000 | Reserve specialist or engineer | |
|---|---|---|---|
| SIRS, small condo (under 50 units) | $3,000 to $8,000 | Licensed engineer or architect | |
| SIRS, large high-rise (100+ units) | $10,000 to $20,000+ | Licensed engineer or architect | |
| Milestone inspection, Phase 1 | $5,000 to $15,000+ | Licensed engineer or architect | These figures are industry-reported ranges, not fixed by statute. Get at least two or three quotes from Florida-licensed engineering firms before committing; Miami-Dade's DBPR license search lets you confirm a professional's license status before you sign a contract. |
Pricing varies a lot by building size, number of components studied, and whether it's a basic reserve study or the more rigorous SIRS with a licensed engineer's structural inspection. Based on ranges reported by Florida reserve-study and engineering firms and cited in state guidance discussions, a basic HOA reserve study for a modest community often runs $1,500 to $5,000. A full SIRS for a 3+ story condo building, which requires a licensed engineer, typically runs from roughly $3,000 for a small building up to $20,000 or more for large, complex high-rises with extensive structural systems and multiple wings. Miami-area costs skew toward the higher end of that range for large coastal towers because engineers often need additional destructive or semi-destructive testing (concrete coring, rebar corrosion checks) beyond a purely visual inspection, especially in buildings over 30 years old. | Study type | Typical cost range | Who performs it |
How does SIRS relate to Miami-Dade's milestone inspection requirement?
These are two different but overlapping requirements, and boards frequently conflate them. The milestone inspection, under F.S. 553.899, is a structural safety inspection required for condo and co-op buildings 3 stories or higher, due at 30 years of age (25 years if the building is within 3 miles of the coastline) and every 10 years after [5]. Miami-Dade and Broward Counties actually had their own local 40-year recertification programs for decades before the state law, and Miami-Dade's version still runs on a 40-year, then 10-year cycle locally, so check with Miami-Dade's building department on which cycle applies to your specific building [6]. The SIRS is a separate financial planning document tied to the reserve fund, required under F.S. 718.112(2)(g), that must be completed by December 31, 2024 for most associations (with some extensions available), and updated at least every 10 years [3]. Many boards schedule the milestone inspection's Phase 1 engineer visit and the SIRS inspection together to save on engineering fees, since they overlap heavily in scope (roof, structural members, waterproofing). That's smart scheduling, not a legal shortcut, each report still has to independently satisfy its own statute. For the inspection side specifically, see the milestone inspections hub for county-by-county detail on Miami-Dade, Broward, and Palm Beach timing.
Are HOA special assessments tax deductible?
For most individual condo or HOA owners, no, a special assessment paid to your association is generally not tax deductible as a personal expense, the same way your regular HOA dues aren't deductible for a primary residence. The IRS treats these as nondeductible personal living expenses in most owner-occupied situations. There are exceptions. If the unit is a rental property, special assessments for capital improvements can often be added to the property's cost basis and depreciated over time, or in some cases deducted as a business expense if the assessment covers repairs rather than improvements, per general IRS rules on rental property expenses under Publication 527 [7]. If you use part of your home for business, a proportional deduction may apply. None of this is one-size-fits-all, and the repair-versus-improvement distinction the IRS draws is genuinely fact-specific. This is exactly the kind of question to bring to a CPA who handles real estate, not to guess your way through on a board Facebook group. Get it in writing from a tax professional before you file.
What triggers a special assessment after a SIRS report comes back?
Once the SIRS report identifies a component with insufficient reserve funding, three things typically happen in sequence. First, the board reviews the report with the engineer and the association's reserve specialist to understand the gap between what's saved and what's needed. Second, the board decides how to close that gap: raise regular assessments, levy a special assessment, pursue a loan, or some combination. Third, under the post-2025 rules, boards can no longer just vote to defer SIRS-covered items indefinitely, the statute requires funding at the recommended level starting with fiscal years beginning on or after January 1, 2025 [1]. A lot of Miami buildings built in the 1970s and 1980s are hitting this exact wall right now: decades of underfunded reserves meeting a hard new statutory floor, and a SIRS report that puts a specific number on the deficiency for the first time. Boards that get ahead of this, financing the gap over 2-3 years through a phased special assessment plus a bank loan, tend to fare much better with owners than boards that wait for a single enormous bill. If your board is staring down a gap like this, look at condo special assessment insurance options and financing structures before defaulting to a single lump-sum assessment; phased approaches are usually easier on owners and less likely to trigger a wave of unit sales at fire-sale prices.
What happens if a Miami condo board skips or delays its SIRS?
Consequences here are still being worked out county by county, since the SIRS mandate is relatively new and enforcement mechanisms vary. What's clear from the statute itself: DBPR's Division of Florida Condominiums, Timeshares, and Mobile Homes has authority to investigate complaints and can pursue administrative penalties against associations that fail to comply with condo statute requirements, including reserve and inspection obligations [8]. Boards and board members can also face exposure to owner lawsuits alleging breach of fiduciary duty if they knowingly ignore a mandatory safety inspection. Beyond legal exposure, there's a practical problem: lenders and title insurers increasingly ask for SIRS and milestone inspection status before financing a unit purchase in a condo building, and Fannie Mae has issued lending guidance flagging buildings with unresolved structural or reserve deficiencies as ineligible for standard financing in some cases . A board that delays its SIRS isn't just risking a fine, it's risking its own owners' ability to sell or refinance units. None of this is a substitute for reading your own declaration and talking to your association's attorney about your specific building's posture. Statutes and deadlines shift (the legislature has already extended some post-Surfside deadlines once), so confirm current requirements with your association's counsel and your county building department before assuming any date in this article still applies exactly as written.
How can a board actually stay on top of all these overlapping deadlines?
In practice, the boards that handle this well build a single master calendar that tracks milestone inspection due dates, SIRS completion and 10-year update dates, annual budget adoption timing, and reserve funding review, then assign an owner (board member or manager) to each line with a hard date. The boards that struggle usually have all this information scattered across three different engineers' emails, an old spreadsheet, and one director's memory. This is the exact gap a resource like BoardDeadline's $199 Building-Specific Board Compliance Kit is built to close: it organizes your building's specific milestone and SIRS deadlines, reserve funding checkpoints, and required owner notices into one schedule your board can actually follow, without replacing the licensed engineer's inspection or your attorney's read on your declaration. The kit doesn't do the inspection or the study; a licensed professional still has to do that work. It just keeps the paperwork, dates, and communications from falling through the cracks between board meetings. You can look at what's included at /board-kit-builder. Whether you use a paid tool or a shared spreadsheet, the core discipline is the same: know your building's exact age and coastal distance, know both the milestone and SIRS due dates that follow from that, and put a calendar reminder at least 12 months out so you have time to bid the engineering work properly instead of scrambling in month 11.
Frequently asked questions
What is a reserve study?
A reserve study is an inspection and financial plan that estimates the remaining life of a building's major components (roof, structure, plumbing, and so on) and calculates how much an association needs to save each year to replace them without a surprise bill. Florida requires a specific version, the SIRS, for condo buildings 3 stories or higher under F.S. 718.112.
What is a reserve study for an HOA?
For an HOA, a reserve study works the same way, engineering assessment plus funding schedule, but it's governed by F.S. 720.303(6) rather than the condo-specific SIRS statute. HOA members generally retain more ability to vote to waive or reduce reserve funding than condo boards do for SIRS-covered components.
What is an HOA assessment?
An HOA assessment is the regular fee (monthly, quarterly, or annual) members pay to fund operating costs and reserves. It's different from a special assessment, which is a one-time or short-term charge levied outside the normal budget, usually for an unexpected repair or reserve shortfall.
How much should an HOA have in reserves?
There's no single statutory dollar figure. Industry benchmarks generally consider 70% or higher of "fully funded" status healthy, while under roughly 30% funded is considered high risk for a special assessment. For condos subject to SIRS, Florida law requires funding at the level the study recommends for covered components starting with fiscal years beginning January 1, 2025.
How much does a reserve study cost?
Basic HOA reserve studies typically run $1,500 to $5,000. A full SIRS for a condo building requiring a licensed engineer generally runs $3,000 to $8,000 for smaller buildings and $10,000 to $20,000 or more for large high-rises, especially in coastal markets like Miami where additional testing is common.
Are HOA special assessments tax deductible?
Generally no, for a primary residence, special assessments are treated as nondeductible personal expenses. Exceptions exist for rental properties, where assessments for capital improvements may be added to cost basis and depreciated, per IRS Publication 527. Talk to a CPA about your specific situation before assuming either way.
What's the difference between a SIRS and a milestone inspection?
A milestone inspection (F.S. 553.899) is a structural safety inspection due at 30 years of a building's age (25 if within 3 miles of the coast), repeating every 10 years. A SIRS (F.S. 718.112) is a separate reserve funding study covering similar structural components but focused on financial planning, more than safety.
Who is required to perform a SIRS in Florida?
The visual inspection portion of a SIRS must be performed by a licensed engineer or architect authorized to practice in Florida, per F.S. 718.112(2)(g). Boards, property managers, or unlicensed reserve consultants cannot substitute for this licensed inspection component.
Does every Florida condo need a SIRS?
SIRS applies to condo and cooperative associations with buildings 3 stories or higher. Buildings under 3 stories and most standalone HOAs are not subject to the SIRS mandate, though HOAs may still choose to do a standard reserve study voluntarily.
Can a Florida condo board still vote to waive reserves?
For components covered by a SIRS report, generally no, starting with fiscal years beginning on or after January 1, 2025, boards can no longer vote to waive or underfund those specific reserve items. HOAs under F.S. 720.303(6) generally retain more flexibility to waive reserves by membership vote.
What happens if my Miami condo skips its SIRS deadline?
Potential consequences include DBPR investigation and administrative penalties, board member exposure to breach-of-fiduciary-duty claims from owners, and practical financing problems, since lenders increasingly flag buildings with incomplete SIRS or milestone status as ineligible for standard mortgages.
How is a SIRS different from a regular reserve study?
A SIRS is a specific, statutorily defined version of a reserve study required for Florida condos 3+ stories, mandating a licensed engineer's inspection of specific components (roof, structure, plumbing, waterproofing, and more) and stricter funding rules. A regular reserve study can be less formal and isn't tied to a specific licensing requirement.
Do coastal Miami buildings face different SIRS or inspection deadlines than inland buildings?
Yes, for milestone inspections. Buildings within 3 miles of the coastline must complete their first milestone inspection at 25 years of age instead of 30, per F.S. 553.899. SIRS deadlines under F.S. 718.112 don't distinguish by coastal distance the same way, but coastal buildings often show more wear in waterproofing and structural components.
Sources
- Florida Senate, SB 4-D (2022) and related condominium reform summary: Post-Surfside legislation created the SIRS mandate and reserve funding requirements starting with fiscal years beginning January 1, 2025
- Florida Statutes, Ch. 720.303(6): HOA reserve funding rules and membership's ability to waive or reduce reserves
- Florida Statutes, Ch. 718.112(2)(g): SIRS component list, licensed engineer/architect inspection requirement, and funding rules
- Florida Senate, SB 154 (2023): 2023 amendments refining SIRS deadlines and reserve funding waiver restrictions
- Florida Statutes, Ch. 553.899: Milestone inspection requirement, 30-year/25-year coastal threshold, and 10-year recurring cycle
- Internal Revenue Service, Publication 527 (Residential Rental Property): Tax treatment of special assessments for rental property, including cost basis and depreciation rules
- Florida DBPR, Division of Florida Condominiums, Timeshares, and Mobile Homes: DBPR's investigative and enforcement authority over condo association statutory compliance
- Fannie Mae, Selling Guide announcement on condo project eligibility (temporary requirements): Fannie Mae lending guidance flags buildings with unresolved structural or reserve deficiencies as ineligible for standard financing