Last updated 2026-08-14

TL;DR
Ontario's Condominium Act requires every condo corporation to get a reserve fund study done by a qualified provider at least every 3 years and to fund reserves based on its results. This is Ontario law, separate from Florida's SIRS and reserve rules under Chapter 718. Toronto boards should not confuse the two systems when researching requirements.
What is a reserve fund study, and does Toronto follow different rules than Florida?
A reserve fund study is a professional assessment of a building's common elements (roof, elevators, parking structure, mechanical systems, building envelope) that projects when each major component will need replacement and how much money the corporation needs to set aside now to pay for it later without a surprise special assessment. In Ontario, this document is called a reserve fund study and it is governed by the Condominium Act, 1998, not by anything Florida-specific. This matters because a lot of search traffic on this topic gets confused. Toronto condos operate under Ontario's Condominium Act, 1998, S.O. 1998, c. 19, and its associated regulation, O. Reg. 48/01 [1]. Florida condos operate under Florida Statutes Chapter 718, which has its own separate reserve funding and Structural Integrity Reserve Study (SIRS) rules created after the 2021 Surfside collapse [2]. The concepts rhyme (both require professional assessments of major building components and long-term funding plans) but the legal mechanics, the professional licensing requirements, the deadlines, and the penalties are different in each jurisdiction. If you are a board member in a Toronto condo corporation, your governing law is the Ontario Condominium Act and O. Reg. 48/01. If you are researching this because you sit on a Florida condo or HOA board and saw 'reserve fund study' used as a general term, what you actually need is Florida's SIRS and reserve requirements under section 718.112 and 553.899, F.S., which this site covers in detail. See our guides on reserve study and reserve study for condo association for the Florida-specific rules, deadlines, and inspector qualifications.
What does Ontario's Condominium Act actually require for reserve fund studies?
O. Reg. 48/01 requires every condo corporation in Ontario to obtain a reserve fund study conducted by a qualified provider, update it at least every three years, and use it to set reserve fund contributions in the corporation's budget [1]. The regulation lays out what the study must cover: an inventory of the common elements and assets the corporation is responsible for repairing or replacing, their condition, expected remaining useful life, and the projected cost of replacement. The study has two parts under the regulation: a physical analysis of the components and a financial analysis projecting the funding needed over a 30-year period. New condo corporations get an initial study done within the first year after registration (sometimes called a Class 1 study), and then updates are required at minimum every three years afterward, done by a qualified person as defined in the regulation (typically an engineer or a reserve fund study provider with the relevant credentials). Boards that skip or delay these studies risk under-funding reserves, which forces the corporation into special assessments or loans down the road, exactly the same failure mode Florida lawmakers were trying to prevent when they passed SIRS requirements after Surfside. The logic is universal even though the statutes differ.
How much should a condo corporation or HOA have in reserves?
There's no single dollar figure that applies to every building; it depends entirely on the age, size, systems, and condition of the property, which is exactly why reserve fund studies and reserve studies exist instead of a flat rule. A 40-unit low-rise with an asphalt roof and no elevator has completely different reserve needs than a 30-story tower with three elevator banks and a parking garage. What the professional study should tell you is not a vague target, but a component-by-component schedule: this roof needs replacing in 6 years at an estimated cost of X, this elevator modernization is due in 12 years at cost Y, and here is the annual contribution needed to have that money on hand without a special assessment. A well-funded reserve, in practical terms, means the corporation's reserve fund balance tracks reasonably close to what the study's 30-year funding plan calls for at each point in time, not some arbitrary percentage of the annual budget. In Florida specifically, SIRS-covered buildings (three stories or more, per section 553.899, F.S.) must fund reserves for the specific structural components identified in the milestone inspection and SIRS report, and boards generally cannot vote to waive or reduce those particular reserves the way they historically could with other reserve line items [2]. If you're trying to figure out what your specific building needs, the study result is the answer, not a benchmark number pulled from an article. See our reserve study for condo association guide for how Florida's component list and funding rules work in practice.
How much does a reserve study cost?
Costs vary widely by building size, number of components being assessed, and whether the study includes an on-site visual inspection versus a full engineering-level assessment. For a full professional reserve study (the kind that meets most state statutory requirements, including Florida's SIRS), boards commonly see quotes ranging from roughly $3,000 to $15,000 or more for a single building, with larger or more complex properties (multiple towers, extensive mechanical systems, parking structures) running higher. Ontario reserve fund studies for a typical condo corporation tend to fall in a comparable range, though exact Ontario-specific pricing data isn't something we have a reliable published source for; boards should get multiple quotes from qualified providers rather than relying on a single number found online. The honest answer here is: get quotes. Ask what's included (is it a full study with material sampling and destructive testing, or a desktop update using old data), who is doing the physical inspection, and what credential that person holds. A cheap study that skips the physical inspection of hard-to-access components (roof drains, structural connections, waterproofing membranes) is not a bargain if it misses a problem that turns into a seven-figure special assessment three years later.
What is an HOA assessment, and what is a special assessment?
A regular HOA assessment is the routine dues or fees every owner pays, usually monthly or quarterly, to cover operating costs and reserve contributions. A special assessment is a separate, often one-time charge levied when the association needs money beyond what regular assessments and reserves can cover, typically for an unexpected repair, a reserve shortfall, or a mandated structural fix like a Florida milestone inspection remediation. Special assessments are the outcome boards are trying to avoid by funding reserves properly in the first place. When a reserve fund study (Ontario) or reserve study/SIRS (Florida) shows a funding gap and the board didn't build up savings in time, a special assessment is often the only remaining option to pay for a mandatory repair, whether that's a Toronto roof replacement or a Florida concrete restoration project flagged in a milestone inspection. In Florida, boards facing this situation should understand their options under Chapter 718 before voting, including any temporary relief provisions the legislature has passed. See our guide on florida condo reserve fund relief and hoa special assessment for how these mechanics work and what timelines apply.
Are HOA special assessments tax deductible?
Generally, no, special assessments paid to your HOA or condo association are not deductible on your personal federal income tax return if the property is your primary residence, because the IRS treats these payments similarly to other non-deductible costs of maintaining a personal residence [3]. The IRS's general guidance on rental property expenses (Publication 527) and its guidance for individual homeowners both draw a distinction: if you use the unit as a rental property, a portion of special assessments and regular HOA dues may be deductible as a rental business expense, prorated for the time the unit was rented out [3]. For an owner-occupied primary residence, routine HOA dues and special assessments for repairs and maintenance are treated as personal living expenses and are not deductible, the same way your own home's roof repair bill isn't deductible. There is a narrow exception: if a special assessment is specifically for a capital improvement that increases the property's basis (rather than a repair), it may affect your cost basis calculation when you eventually sell, which is a tax question worth raising with a CPA, not something to guess at from a blog post. This is genuinely a tax question, not a condo law question, so if you're facing a large special assessment and want to know the tax treatment for your specific situation, talk to a CPA who can look at whether your unit is a primary residence, a rental, or a mixed-use property.
What is a reserve study for an HOA, specifically?
A reserve study for an HOA is functionally the same tool as a condo reserve fund study: a professional inspection and financial projection covering every major shared component the association is responsible for maintaining, paired with a funding plan showing what reserve contributions are needed to pay for future replacements without relying on special assessments. The components typically covered include roofing, painting, paving, pool equipment, clubhouse HVAC, fencing, and any structural elements the association owns, plus, in Florida specifically for condos three stories and up, the SIRS-mandated components: structure, roof, load-bearing walls, floor, foundation, fireproofing/fire protection systems, plumbing, electrical, waterproofing, exterior painting, and windows/doors under section 553.899, F.S. [2]. A good reserve study gives the board two things: a physical condition assessment (what shape is each component in right now) and a financial funding schedule (how much to set aside per year, per component, so the money is there when the roof or the elevator or the pool deck needs replacing). Boards that treat the study as a compliance checkbox rather than an actual planning tool tend to end up funding reserves at the bare statutory minimum and then getting hit with a special assessment the first time a big-ticket item comes due early or over budget. See our hoa reserve study guide for how Florida associations typically structure this.
How does Florida's milestone inspection and SIRS system compare to Ontario's reserve fund study?
| Governing law | Condominium Act, 1998 + O. Reg. 48/01 | Ch. 718 F.S. + s. 553.899 F.S. | |
|---|---|---|---|
| Study frequency | Every 3 years minimum | SIRS every 10 years; milestone inspection at 25/30 years then every 10 years | |
| Structural inspection separate from reserve study? | No, one combined study | Yes, two separate requirements (SIRS + milestone) | |
| Who performs it | Qualified reserve fund study provider (engineer or qualified person per regulation) | Licensed architect or engineer (milestone); qualified reserve study preparer per statute (SIRS) | |
| Waiver of reserves allowed? | Board budget process sets contributions per study | Generally no waiver allowed for SIRS-identified components under current law | Boards researching one system while living under the other risk applying the wrong deadline or the wrong professional qualification requirement, so confirm which statute actually governs your building before setting a compliance calendar. |
Florida layered a structural inspection requirement (milestone inspection) on top of its reserve study system after the Surfside collapse in 2021, something Ontario's framework does not have as a parallel, separate mandate. Under section 553.899, F.S., condo and cooperative buildings three stories or taller must undergo a milestone inspection performed by a licensed architect or engineer, at 30 years after the certificate of occupancy (25 years if within three miles of the coast), and every 10 years after that [2]. Separately, section 718.112, F.S. requires those same buildings to have a Structural Integrity Reserve Study (SIRS) completed at least every 10 years, and requires the association to fund full reserves for the components identified in that SIRS, generally without the ability to vote to waive or reduce those specific reserve line items the way associations historically could for other reserve categories [2]. Here's a simple comparison of the two systems: | Feature | Ontario (Toronto condos) | Florida condos (SIRS/milestone) |
What should a Florida board actually do to stay ahead of these deadlines?
Start with the building's actual age and location, because that determines your milestone inspection trigger date under section 553.899, F.S.: 30 years from certificate of occupancy generally, or 25 years if the building is within three miles of the coastline, with recertification every 10 years after the initial inspection [2]. Pull the certificate of occupancy date from county building records now, not the month before the deadline, because scheduling a licensed engineer or architect for a milestone inspection can take months in a market where every coastal building in the county is hitting deadlines around the same time. Next, separately track the SIRS deadline under section 718.112, F.S., which requires the study at least every 10 years and requires the board to present results to owners and begin funding reserves for the identified components. These are two different clocks even though they're related; don't assume passing your milestone inspection means your SIRS is also handled, and vice versa. This is genuinely where a lot of volunteer boards get overwhelmed, tracking two separate statutory deadlines, coordinating licensed inspectors, documenting owner notifications, and keeping records straight for the county and for future boards. A $199 one-time Building-Specific Board Compliance Kit (see the board kit builder) won't do the inspection or the study for you, that has to be a licensed architect, engineer, or qualified reserve study preparer under the statute, but it organizes your building's specific deadlines, schedules the notifications you're required to send, and keeps the paper trail straight so nothing falls through the cracks between board turnovers. Whatever your building's specific facts, confirm every deadline and every reserve funding decision with your association's counsel and your county building department before you act, because local interpretation and enforcement practice can vary.
Where do Florida boards go for the primary source rules?
Two Florida Statutes chapters and one licensing agency page cover almost everything a board needs to verify. Section 718.112, F.S. covers condominium association operations including reserve funding requirements and SIRS [2]. Section 553.899, F.S. covers the milestone inspection requirement, the 25/30-year trigger, and the 10-year recertification cycle [4]. DBPR's Division of Florida Condominiums, Timeshares, and Mobile Homes publishes licensing and regulatory guidance for community association managers and related professionals. For Ontario readers who landed here by mistake, the Condominium Act, 1998 and O. Reg. 48/01 are the two documents to read, and the Condominium Authority of Ontario publishes plain-language guidance for boards on how the reserve fund study process works [1]. Statutes get amended almost every legislative session, and Florida's reserve and milestone inspection rules in particular have already been revised multiple times since 2022 in response to implementation problems boards reported. Don't rely on any single article, including this one, as your final word; check the current statute text on flsenate.gov and talk to your association's counsel before setting a compliance calendar or a special assessment vote.
Frequently asked questions
What is a reserve study?
A reserve study is a professional assessment of a building's major shared components (roof, structure, elevators, plumbing, and similar systems) that estimates remaining useful life and future replacement costs, then translates that into a funding schedule so the association can save enough money over time instead of relying on emergency special assessments.
What is a reserve study for an HOA?
For an HOA, a reserve study covers every shared asset the association is responsible for maintaining, roofing, paving, pool equipment, clubhouse systems, and any structural components, paired with a 20 to 30 year funding plan showing what annual reserve contributions are needed so the money is available when each item needs replacing.
What is an HOA assessment?
An HOA assessment is the regular fee, usually monthly or quarterly, that owners pay to cover operating costs and reserve fund contributions. It's distinct from a special assessment, which is a separate, often one-time charge for costs beyond what regular dues and reserves cover, like an unbudgeted repair or a mandated structural fix.
What are HOA assessments used for?
Regular HOA assessments fund day-to-day operating costs (landscaping, insurance, management fees, utilities for common areas) and reserve contributions for future major repairs. Special assessments cover shortfalls, typically an unexpected repair, storm damage, or a reserve funding gap identified by a reserve study or, in Florida, a milestone inspection and SIRS.
How much should an HOA have in reserves?
There's no universal dollar figure; it depends on the property's specific components and their condition, per the reserve study's findings. The correct benchmark is whether the reserve fund balance tracks the study's own 20 to 30 year funding schedule for each component, not an arbitrary percentage of the annual budget.
How much does a reserve study cost?
A full professional reserve study for a single building commonly runs from roughly $3,000 to $15,000 or more, depending on building size, number of components assessed, and whether it includes physical destructive testing versus a desktop review. Get multiple quotes and confirm exactly what's included before comparing prices.
Are HOA special assessments tax deductible?
Generally no, for a primary residence, special assessments are treated as personal living expenses and are not deductible on federal income tax, similar to IRS guidance on home repair costs. If the unit is a rental property, a prorated portion may be deductible as a rental expense per IRS Publication 527; check with a CPA for your specific situation.
Does Toronto follow Florida's SIRS and milestone inspection rules?
No. Toronto condos are governed by Ontario's Condominium Act, 1998 and O. Reg. 48/01, which require a reserve fund study at least every 3 years. Florida's SIRS and milestone inspection requirements exist only under Florida Statutes sections 718.112 and 553.899 and do not apply outside Florida.
How often does Ontario require a reserve fund study update?
O. Reg. 48/01 under the Condominium Act, 1998 requires condo corporations to update their reserve fund study at least every three years, following an initial study typically completed within the first year after the corporation registers.
How often does Florida require a reserve study or SIRS?
Florida's Structural Integrity Reserve Study (SIRS), required under section 718.112, F.S., must be completed at least every 10 years for condo buildings three stories or taller. This is separate from the milestone inspection under section 553.899, F.S., which occurs at 25 or 30 years and then every 10 years after.
Who is qualified to perform a reserve study or reserve fund study?
In Ontario, a qualified person under O. Reg. 48/01 (typically an engineer or credentialed reserve fund study provider) performs the study. In Florida, milestone inspections require a licensed architect or engineer, while SIRS requires a qualified reserve study preparer as defined under section 718.112, F.S.
What happens if a board skips or delays its reserve study?
Delaying a reserve study or reserve fund study risks under-funding reserves, which typically forces the association into a large special assessment or a loan when a major component fails or needs replacement sooner than expected, since there was no funding schedule in place to spread the cost over time.
Sources
- Condominium Authority of Ontario / Ontario e-Laws, Condominium Act 1998 and O. Reg. 48/01: Ontario requires condo corporations to obtain a reserve fund study updated at least every 3 years, with a physical and financial analysis
- Florida Legislature, Florida Statutes Section 718.112: Florida requires SIRS for condo buildings 3+ stories, reserve funding for identified components, and generally prohibits waiving those reserves
- IRS Publication 527, Residential Rental Property: HOA dues and special assessments may be deductible as a rental expense prorated for rental use, but are not deductible for personal-use residences
- Florida Legislature, Florida Statutes Section 553.899: Florida requires milestone inspections for buildings 3+ stories at 25 years (coastal) or 30 years (non-coastal) after certificate of occupancy, then every 10 years
- Ontario e-Laws: Ontario's Condominium Act, 1998 is the governing statute that sets out requirements for reserve funds and reserve fund studies for condo corporations.
- Florida Senate: Florida Statutes define key terms related to condominium associations, including definitions relevant to milestone inspections and structural integrity reserve studies (SIRS).
- Florida Department of Business and Professional Regulation: The Florida DBPR is the primary regulatory body overseeing condominium associations and provides guidance on milestone inspections and SIRS compliance.
- IRS: IRS Publication 530 provides guidance on tax deductions related to homeownership, relevant to whether HOA special assessments are tax deductible.