Two buyers toured condominiums on the same Saturday this fall. One walked through a unit at Sloan's Curve, the oceanfront community on South Ocean Boulevard that has stood since 1980. The other crossed the bridge to see a corner residence at Alba Palm Beach, the new Intracoastal tower in West Palm Beach where closings are underway this year. Both were comparing square footage and price per foot. Neither one was thinking about the fact that they were shopping in two entirely different regulatory positions, and that difference is worth more than either showing probably let on.

Here is the fact behind it: the Town of Palm Beach has not permitted a new condominium building in decades. Developers who want a foothold on the island now look at tearing down and rebuilding an older structure rather than adding to open land, because there is no open land left to add to. Every condominium unit for sale on the island today, without exception, was built before Florida's post-Surfside reserve laws existed. West Palm Beach, a few hundred yards across the water, is living through the opposite story right now: a real building cycle of brand-new towers where the entire reserve and milestone-inspection conversation hasn't started, because the buildings haven't stood long enough to trigger it.

That is the trade a buyer is actually making when weighing a vintage island tower against new construction on the mainland. Price per square foot gets discussed at every showing. What is actually changing hands, structurally and financially, usually doesn't.

A rulebook the island can't opt out of

Florida's structural reserve law, sharpened this year by House Bill 913, ended a board's ability to waive reserve funding for eight structural components: roof, load-bearing walls, fire protection, plumbing, electrical systems, waterproofing, windows, and doors. That ban took effect January 1, 2026. Buildings that existed before July 1, 2022 generally had to complete their Structural Integrity Reserve Study by December 31, 2025, with a narrow extension to December 31, 2026 available only if the SIRS is tied to a milestone inspection due by that same date.

Milestone inspections themselves follow a coastal clock. Any residential building three stories or taller within three miles of the coastline faces its first inspection at 25 years old, then again every 10 years after that. Buildings farther inland get 30 years for their first cycle. Palm Beach island sits directly on the Atlantic, so nearly the entire inventory falls under the faster, 25-year timeline.

Sloan's Curve, at 45 years old, is deep into that cycle already. The four seven-story buildings, designed by Eugene Lawrence and completed in 1980 and 1981, had their common areas renovated in 2018, lobbies, hallways, and pool decks. The original risers and elevators were not part of that work. The 192 residences there offer more interior space per dollar than the island's newer buildings, which is exactly the kind of value a buyer notices first and the SIRS conversation second.

The Palm Beach Biltmore tells a similar story from an older starting point. It opened in 1926 as the Alba Hotel, went through several ownership changes, and was converted into 128 condominium units beginning in 1977, with the first resident moving in that October. The town designated the main building a historic landmark in 1991. Landmark status protects the exterior from unapproved changes. It does not exempt the building from Florida's structural reserve and milestone requirements, which is worth knowing before assuming a historic label means a building sits outside the new law. The Biltmore's roughly 27,000-square-foot concrete deck was already renovated once, by Sika AG between 2012 and 2014, years before the law required it. That is evidence of a board that was ahead of the requirement rather than caught by it, and it is exactly the kind of history a buyer should be asking every island building to produce.

What's actually being priced across the bridge

West Palm Beach's Flagler corridor is where a buyer would go to sidestep this entire conversation. Alba Palm Beach, at 4714 N. Flagler Drive, has 55 total residences (51 condos and four townhomes) and closings underway this year. Mr. C Residences West Palm Beach has 146 units starting around $1.6 million, delivering in 2026. South Flagler House, twin 28-story towers designed by Robert A.M. Stern Architects, is asking $3.5 million to $20 million ahead of a 2027 delivery. Olara, at 40 stories and 275 residences, is targeting its first tower for the fourth quarter of 2026. Forte on Flagler, 41 residences priced from $14.7 million to $47.5 million, has already delivered.

None of those buildings has a milestone inspection due for decades. None has a reserve shortfall, because none has had time to accumulate one. A buyer there is paying a premium for finishes and a water view, and also paying to not have the reserve conversation at all, for a very long time.

The price-per-square-foot gap between a 1980 tower on the island and a 2026 tower on Flagler Drive isn't only a finishes premium. Some of that gap is the cost of not having this conversation for the next quarter century.

The disclosure gap hiding in the listing remarks

A snapshot of active South Florida condominium listings taken on September 14, 2026 looked at 25,225 condos for sale across five counties, including Palm Beach. Of those, 9.4 percent mentioned a special assessment, SIRS, milestone inspection, 40- or 50-year recertification, concrete restoration, or reserve funding anywhere in the public listing remarks. Just over half of that group, 5.1 percent of all listings, mentioned it without stating that the work was complete, the assessment paid, or the reserves funded.

Palm Beach County read as the cleanest of the three large counties in that snapshot, at 3.0 percent unresolved, well ahead of Broward's 6.2 percent. That is genuinely good news for the county as a whole. It is also a countywide average, and Palm Beach County's average is being pulled down by exactly the kind of brand-new West Palm Beach inventory described above, buildings with nothing yet to disclose. Filter that same snapshot to buildings built before 1980, which describes most of the island's oceanfront stock outside a handful of exceptions like the Biltmore's earlier restoration work, and the unresolved share nearly triples to 8.0 percent. A 2021 analysis by The Coastal Star found the average age of barrier-island condominiums from South Palm Beach through Boca Raton to be 44 years, four years older than Champlain Towers South at the time of its collapse, which is the age band Palm Beach island's own inventory sits inside. The county number is real. On the island specifically, by construction date alone, a buyer is shopping in the riskier bucket, not the reassuring one.

It is worth remembering that these percentages are a floor. They count what a listing agent chose to put in the public remarks, not what sits in a building's actual financial file. A listing that says nothing about an assessment has not necessarily resolved one.

What to request before you write an offer

• The building's most recent milestone inspection report and summary. Florida law entitles a prospective buyer to a copy of this, or a written statement that none exists, before closing.
• The current Structural Integrity Reserve Study, and whether the board has voted to fund it on the new required schedule or is relying on the narrow allowance tied to a 2026 milestone inspection.
• Whether the association carries any loan or line of credit against future reserves, an option Florida has allowed since 2025, and how much of the current monthly assessment covers debt service versus routine maintenance.
• Board minutes on any special assessment vote, including the notice period and the vote count.
• The insurance appraisal now required on a 36-month cycle under House Bill 913, along with the wind and flood deductibles the master policy actually carries.

The Palm Beach County Planning, Zoning and Building Division publishes the current milestone inspection schedule and thresholds, and it is a useful place to confirm the exact deadline that applies to a specific address before you rely on a seller's summary of it.

A few questions worth asking directly

Does the Biltmore's historic landmark status exempt it from milestone inspections or reserve requirements? No. Landmark designation protects the exterior from unapproved alteration. It does not exempt the building from the same structural inspection and reserve funding rules that apply to any other Palm Beach condominium three stories or taller.

If an island listing doesn't mention an assessment, does that mean there isn't one? Not necessarily. The disclosure figures above are a floor, built from what agents chose to write in public remarks, not from a review of each association's actual financial file. Silence in the listing is not the same as a clean building.

Is a brand-new West Palm Beach tower actually risk-free by comparison? Not risk-free, but a different risk. There is no legacy deferred maintenance to inherit, and no reserve gap to fund. There is also no track record yet of how that specific building and board will manage its own structure once the first milestone inspection eventually comes due, decades from now.

The island's inventory and the mainland's new towers are not competing for the same buyer, and they shouldn't be evaluated with the same checklist. One is priced partly on the certainty of its structural history. The other is priced partly on having none yet. Knowing which one you're standing in before you make an offer is the difference between buying a view and buying a surprise.

If you're weighing a vintage tower on the island against new construction across the bridge, Kourtney Pulitzer can walk you through a specific building's reserve study, milestone history, and assessment position before you write an offer, not after. Let's Connect, Start Your Luxury Palm Beach Search.