September 10, 2026
A family in Palm Beach held onto a bungalow on Chilean Avenue for more than three decades. It passed from father to son, with plans to hand it to a daughter next. Then, this past spring, a notice arrived that the town's Landmarks Preservation Commission wanted to designate the house a protected landmark. The owner had not asked for the designation. He did not want it. He objected formally, through counsel, arguing the house didn't meet the criteria for architectural or historical significance.
The Town Council designated it anyway, on a 3-2 vote that started out tied 2-2 before Mayor Danielle Moore broke the deadlock. Under Palm Beach's landmarks ordinance, an owner's opposition does not stop a designation from going through. The family's attorney told the Palm Beach Daily News it felt like "this was sort of like a sneak attack." That single sentence is the reason this post exists. If you are shopping for an older home on the island, whether you plan to renovate it gently or take it down to the slab, the review process that governs what you're allowed to do is not something you opt into. It can find you.
Palm Beach runs two separate review tracks for exterior work, and knowing which one applies to a specific address matters more than most buyers realize before they're under contract.
If a property is not individually landmarked and doesn't sit inside one of the town's historic districts, the Architectural Commission, known locally as ARCOM, reviews new construction and substantial alterations. ARCOM traces its roots to the Art Jury, formed in the 1920s with early members that included architects Addison Mizner, Marion Sims Wyeth, and Maurice Fatio, the men whose work still defines the look of the island. Today's commission has seven voting members and three alternates, all registered voters of the town, with at least two required to be licensed architects. ARCOM's job is narrow: massing, scale, materials, and whether a design fits its street.
If a property is individually landmarked, or sits inside a historic district, the Landmarks Preservation Commission takes over instead, applying a stricter standard under Chapter 54 of the town code. More than 328 landmark properties, sites, and vistas are currently protected under that ordinance, which the Town Council first adopted in 1979. The protected footprint runs through parts of Midtown, the Sea Street area, and the El Brillo corridor in the South End, with additional pockets of overlay protection reaching into the North End.
A buyer looking at an older home anywhere in the Estate Section, El Cid, or the streets near Flamingo Park is not only buying square footage and lot lines. They are buying exposure to whichever of these two review tracks applies, and in some cases exposure to a designation process that hasn't happened yet.
Here is the part that actually changes a buyer's timeline, and it rarely comes up until after closing.
| Stage | Typical duration |
|---|---|
| Pre-application and scheme design | 4 to 8 weeks |
| ARCOM preliminary and final review (no remand) | 6 to 12 weeks |
| Town Building Division permit review | 12 to 20 weeks |
| Coastal Construction Control Line review (oceanfront only, runs after ARCOM) | 3 to 5 additional months |
| Construction, 6,000 to 10,000 square foot residence | 16 to 22 months |
Add those stages for an oceanfront lot and a clean, well-prepared project can still run close to three years from contract to certificate of occupancy. The gap between a 24-month project and a 42-month one almost never opens up at the job site. It opens up in the review room, months before a permit is even filed, usually because a design gets presented before it's resolved and the commission sends it back for another cycle.
Even buyers with a long track record treat this as a real variable rather than a formality. Developer Todd Michael Glaser, who paid $85 million for Tarpon Island and $18.5 million for the El Brillo Way estate once owned by Jeffrey Epstein before demolishing it, has said publicly that the ARCOM process can be discouraging even for someone with his experience, including a preservation award from the town's own Preservation Foundation on a separate project. If it can slow down a buyer at that level, it is worth planning for at any price point.
None of this is theoretical. A recent ARCOM meeting agenda shows the range of what gets a full hearing on this island. New single-family applications appeared for 230 Plantation Road and 217 West Indies Drive. A complete renovation was on the docket for 1066 North Ocean Boulevard, alongside a landscape and hardscape overhaul with a variance request at 1300 North Ocean Boulevard. A one-story addition at 141 Seaview Avenue needed variances just to keep its existing, nonconforming setbacks. A proposal to unify two parcels at 150 Dunbar Road and 151 Atlantic Avenue required lot coverage and cubic content variances on top of the architectural review.
Scale matters here less than you'd think. A storefront at 259 Worth Avenue seeking approval for new signage, an entry door, and awnings still needed a full ARCOM hearing, and was deferred to a later meeting date. On this island, an awning gets the same procedural seriousness as a roofline.
At any given time, roughly 80 new or substantial single-family projects are moving through this pipeline, and fewer than half deliver on the owner's original schedule. That is not a knock on the builders. It's what happens when massing, materials, and streetscape compatibility are judged by a commission rather than checked off against a table in the code.
There is one wrinkle in the Chilean Avenue case worth understanding before you write an offer on anything that looks like it might attract a landmark designation. A Florida law passed in 2022 gives single-family homeowners who object to a landmark designation the ability to demolish the home anyway, but only if the property sits in a designated flood-hazard area and the structure doesn't meet FEMA flood-elevation standards. It's a narrow exception, and it doesn't apply broadly. Most owners who lose a landmarks fight don't get to invoke it. But it is the kind of detail that changes the calculus for a specific parcel, and it's exactly the sort of thing a buyer should confirm before assuming a designation fight is unwinnable.
If you're evaluating an older home on the island with renovation or rebuild plans, a few questions are worth answering before you remove your inspection contingency, not after.
Ask whether the parcel sits inside a historic district boundary or has an individual landmark designation, since that determines whether you're dealing with ARCOM or the Landmarks Preservation Commission, and the two processes are not interchangeable. Ask whether the home is more than fifty years old, since that alone can trigger landmarks review even without a formal designation already in place. If the lot is oceanfront, build the Coastal Construction Control Line timeline into your financing and carrying-cost assumptions from day one rather than discovering it mid-project. And if you're buying with the intention of demolishing an existing structure, confirm its age and flood zone status before you assume that intention is guaranteed.
None of this means the island isn't worth the process. It means the process is part of what you're buying, and pricing it in early is cheaper than discovering it in month fourteen.
Can I close on a property before ARCOM approves my design? Yes, and most buyers do exactly that. The tradeoff is that your renovation clock starts at closing, not at contract, and every month of design and review is a month you're carrying the property before construction even begins.
Does a home have to be formally landmarked to fall under strict review? No. Sitting inside one of the town's historic districts, which cover parts of Midtown, Sea Street, and the El Brillo corridor, can be enough to shift review to the Landmarks Preservation Commission even without an individual landmark designation on that specific address.
How much does oceanfront location add to the process? The Coastal Construction Control Line review runs in series with ARCOM rather than alongside it, typically adding three to five months of additional time before a permit is even issued.
Is there any way to get ahead of a potential landmark designation? Homes older than fifty years are the ones most likely to draw landmarks attention, whether or not the current owner has any interest in that outcome. Confirming a property's age and any prior landmarks discussion before you're under contract is the only real way to see this coming.
If you're weighing a renovation candidate or a rebuild opportunity anywhere on the island, Julie Nelson can walk through what a specific address is actually exposed to before you write an offer. Let's Connect.
Stay up to date on the latest real estate trends.
Julie offers a tailored real estate experience built on market expertise, discretion, and a genuine commitment to her clients’ success.