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For condo buyers in Collier County and the rest of Southwest Florida

Buying a condo in Southwest Florida: the unit inspection, the milestone and the SIRS

Buying a condo in Naples, on Marco Island or anywhere else in Southwest Florida? Three checks matter, and you order only one of them, the inspection of your unit. The association is responsible for the other two: the milestone inspection of the building's structure, and the structural integrity reserve study (SIRS) that recommends how much it should save for big repairs. A clean report on your unit tells you little about either.

Give the free calculator a building's certificate of occupancy year, its number of habitable stories and its area, and it returns the milestone inspection and SIRS dates. Collier County, the City of Naples and the City of Marco Island each have their own entry in the area list.

Check a building’s dates

Helping someone buy in Southwest Florida? Email them the calculator. It's free, and there's no login.

Three checks, side by side

Each one answers a different question, and you'll want all three answers before you close.

Unit inspectionMilestone inspectionSIRS
Who orders itYou, the buyerThe associationThe association
Who does itA home inspector you hireA Florida-licensed architect or engineerA licensed engineer or architect, or a certified reserve specialist or professional reserve analyst
What it looks atThe inside of your unit and the systems that serve itThe structure: load-bearing elements and the primary structural members and systemsThe roof, structure, plumbing, electrical, windows and other big shared items, and how much to save for each
Which buildingsAny unit you buyCondo and co-op buildings three habitable stories or moreCondo buildings three habitable stories or more
WhenBefore closing, on your contract's timelineBy 31 December of the year the building turns 30, or 25 where the local building department requires it, then every 10 yearsAt least every 10 years. For associations that existed by 1 July 2022, the first was due by 31 December 2025, or with a milestone due by the end of 2026
What you getYour inspector's reportThe inspector-prepared summary, at the seller's expenseThe most recent SIRS, or a statement that there isn't one, at the seller's expense

The unit inspection

Florida law describes a home inspection as a limited visual examination of a home's readily accessible systems and components (§468.8311). In a condo, that mostly means what's inside your unit: the electrical panel, plumbing, water heater, air conditioning, windows and sliders, and any signs of moisture.

The roof, the structure and the exterior walls are usually common elements, and the association maintains those (§718.113(1)). Patriot Home Inspections, which inspects condos across Southwest Florida, lists what a condo unit inspection covers and what it leaves to the association, item by item. Read it before you book.

The milestone inspection

This is the building's structural check. It isn't a building code review (§553.899(2)(a)). It comes in two phases. Phase 1 is a visual examination. Phase 2 is needed only if Phase 1 finds substantial structural deterioration (§553.899(7)), and then repairs have to start within 365 days after the local building department receives the Phase 2 report (§553.899(11)). Patriot's guide to milestone inspections walks through how Phase 1 and Phase 2 work.

25 or 30 years in Southwest Florida

The state trigger is 30 years from the certificate of occupancy. A local building department can choose 25 instead, for reasons such as closeness to salt water (§553.899(3)(b)). There's no automatic coastal rule, so it depends on which department covers the building.

AreaFirst milestone inspectionWhere it comes from
Collier County25 years within 3 miles of salt water, 30 beyondCollier County milestone page
City of Naples25 years within 3 miles of the coastline, 30 beyondCity of Naples building department
City of Marco Island25 years within 3 miles of salt water, 30 beyondCity of Marco Island building services
Cape Coral30 years, according to the city's FAQCape Coral condominium inspections FAQ. Confirm with the city.
Lee County, Fort Myers, Bonita Springs, Charlotte County, Sarasota County, City of SarasotaWe haven't confirmed these yetAsk the building department whether it uses 25 or the state's 30

A Naples mailing address doesn't tell you which department covers the building, so check whether it's inside city limits. Collier County publishes a map of its three-mile salt water band (PDF). All three areas also set catch-up deadlines for older buildings, and the last of them passed at the end of 2025. If the milestone date has passed and the seller's package has no summary, ask why.

The SIRS

The structural integrity reserve study covers the big shared items the statute lists, including the roof, structure, fireproofing, plumbing, electrical, waterproofing and windows. It sets out what the association should save each year to repair or replace them (§718.112(2)(g)). It applies to condo buildings of three habitable stories or more, and it's redone at least every 10 years.

It's the document behind your fees. For budgets adopted on or after 31 December 2024, an owner-controlled association that must have a SIRS can't vote to skip or reduce the reserves the statute requires for those items (§718.112(2)(f)2.b). If the money is needed sooner, the association can fund those reserves with a special assessment, a line of credit or a loan, approved by a majority of the total voting interests (§718.112(2)(f)2.c). Either way, owners pay for it.

For associations that existed by 1 July 2022 and are run by unit owners, the first SIRS was due by 31 December 2025. An association with a milestone due by 31 December 2026 could do its SIRS at the same time, but no later than that date (§718.112(2)(g)7). To see whether one was reported, check the state's SIRS database, which shows the reporting forms exactly as associations submitted them.

Find the building's dates

The calculator needs three things: the certificate of occupancy year, the number of habitable stories and the area. Ask the association for the certificate of occupancy year, because a listing's "year built" can be a different year. If the building is within three miles of salt water or the coast in Collier County, Naples or Marco Island, pick that area. If it's farther out, pick the Florida state default.

A six-story building in Collier County, within three miles of salt water, with a 2001 certificate of occupancy reaches 25 in 2026. Its milestone inspection is due by 31 December 2026, and the SIRS can be done alongside it, but no later than 31 December 2026 (§553.899(3)(b)) (§718.112(2)(g)7). Move the same building more than three miles from salt water and the milestone moves to 31 December 2031, while its SIRS was due by 31 December 2025.

The calculator tells you when each one is or was due. It can't tell you whether the association actually did them. The documents can.

What to ask for before you close

  1. The milestone summary, if there's been an inspection. The seller pays for it (§718.503(2)(a)). If a Phase 2 was needed, ask for that report and where the repairs stand.
  2. The most recent SIRS, or the association's statement that it hasn't done one, also at the seller's expense (§718.503(2)(a)).
  3. The budget and annual financial statement (§718.503(2)(a)). Compare the reserve lines with what the SIRS recommends.
  4. Special assessments, owed or planned. The estoppel certificate lists what's owed on the unit and what's scheduled to come due (§718.116(8)). One the board is still discussing may not be on it, so ask the seller in writing.
  5. Recent board minutes and notices about repairs, loans or assessments. An association managing 25 or more units must post the last 12 months of approved minutes, the budget, the SIRS and inspection reports in an owners-only section of a website or app (§718.111(12)(g)). The seller can ask for a login.

Read them as soon as they arrive. If the contract was signed after 31 December 2024, you may have only 7 days to cancel once you have the reports. The details are in the questions below.

Questions

Does a home inspection cover the condo building?

Not really. A unit inspection looks at your unit and the systems that serve it. The roof, the structure and the exterior walls are usually common elements, and maintaining the common elements is the association's job (§718.113(1)). The building's structure is the milestone inspection's job, and the money for big repairs is the SIRS's.

Do Naples and Marco Island condos need a milestone inspection at 25 years?

Within three miles of the water, yes, for condo and co-op buildings three habitable stories or more. Collier County and the City of Marco Island use 25 years within three miles of salt water, and the City of Naples uses 25 within three miles of the coastline. Beyond three miles, all three use 30. Elsewhere in Southwest Florida, ask the building department.

Can I cancel after reading the SIRS or the milestone summary?

Yes, if the resale contract was signed after 31 December 2024 and the association has completed a milestone inspection or a SIRS. You can cancel by written notice within 7 days after you sign and receive the reports, not counting weekends and legal holidays, unless you got them more than 7 days before you signed. The right ends at closing (§718.503(2)(e)).

Why does the SIRS affect my condo fees?

Because the budget has to fund it. For budgets adopted on or after 31 December 2024, an owner-controlled association that must have a SIRS cannot vote to skip or reduce the reserves the statute requires for the SIRS items (§718.112(2)(f)2.b). A study that finds big costs ahead can mean higher dues, and a special assessment or loan if the money is needed sooner.

Sources

  1. Fla. Stat. §553.899, milestone inspections (2026): https://www.flsenate.gov/Laws/Statutes/2026/553.899
  2. Fla. Stat. §718.112, reserves and SIRS (2026): https://www.flsenate.gov/Laws/Statutes/2026/718.112
  3. Fla. Stat. §718.503, resale disclosure (2026): https://www.flsenate.gov/Laws/Statutes/2026/718.503
  4. Fla. Stat. §718.116, assessments and estoppel (2026): https://www.flsenate.gov/Laws/Statutes/2026/718.116
  5. Fla. Stat. §718.111, official records and association websites (2026): https://www.flsenate.gov/Laws/Statutes/2026/718.111
  6. Fla. Stat. §718.113, maintenance of common elements (2026): https://www.flsenate.gov/Laws/Statutes/2026/718.113
  7. Fla. Stat. §468.8311, home inspection definitions (2026): https://www.flsenate.gov/Laws/Statutes/2026/468.8311
  8. Collier County, Milestone Inspections: https://www.collier.gov/Business-Resources/Building-Permits-Construction/Permitting-Resources/Milestone-Inspections
  9. Collier County, milestone salt water map (PDF): https://www.collier.gov/files/assets/county/v/1/building-plan-review/documents/milestone/saltwater-map.pdf
  10. City of Naples, Milestone Inspections: https://www.naplesgov.com/building/page/milestone-inspections
  11. City of Marco Island, Milestone Inspection Information: https://cityofmarcoisland.com/building/page/milestone-inspection-information
  12. City of Cape Coral, Condominium Inspections FAQ: https://www.capecoral.gov/departments/development_services/building_division/condominium_inspections_faq.php
  13. DBPR SIRS reporting and database: https://www2.myfloridalicense.com/condos-timeshares-mobile-homes/condominiums-and-cooperatives-sirs-reporting/

Every rule on this page was read against the sources above on 11 October 2026. If this page and the statute disagree, the statute is right. Tell us at hello@02launch.com and you will get a reply within one business day, with either a fix or the reason it is not one.

Who built this

The calculator and these pages are made by 02Launch.com, an AI engineering firm with engineers from Google and Microsoft. There is no AI inside the calculator. It is plain arithmetic on the statute, so the same building always gets the same answer.