A freeze on new building permit allocations in the Florida Keys, in place until at least July 2027, is redirecting demand from raw land to older existing homes that carry a building right, according to Sandra Tuttle, founder of Island Welcome Real Estate in Summerland Key. The shift is changing the composition of the region's housing stock and affecting reported price data in ways that may confuse sellers and buyers alike.
Because new building allocations are unavailable, buyers who want a home built to current codes—elevated above flood level and rated for 180-mile-per-hour winds—have two options: wait for a competitive permit process with unpublished scoring rules, or buy an older home for the building right attached to the land and replace it. The second route is increasingly common, Tuttle said, and it is showing up in price data before any permit report.
The Keys market has never been driven by new construction, and the allocation freeze does not create a supply shock because volume is low. Instead, it redirects demand. Buyers seeking current-code construction cannot obtain it through raw land in the current window, so they look for a teardown. The properties being acquired for redevelopment are at the bottom of the value range: ground-level conch houses, older fish camps, small frame homes, and mobile units built decades before current code. Many have flooded, some repeatedly.
“By removing older homes, tiny homes, small fish camps, and mobile homes from our inventory and replacing those with a brand new home, just naturally we are going to be elevating the average price point of this community,” Tuttle said. The replacement homes feature metal roofs, impact-rated windows and doors, and elevation above the base flood. They cost more to build and insure for less, compounding the gap between what was removed and what was added.
The statistical consequence is that average and median prices in affected neighborhoods rise without any individual property appreciating. A $500,000 ground-level home leaves the inventory and a $1.6 million elevated home enters it, moving the neighborhood average even though no individual house increased in value. For sellers holding older stock, this produces a confusing signal. Published appreciation figures reflect inventory replacement as much as price movement, and a seller pricing an unimproved 1980s canal home against those figures will sit on the market.
The key variable determining whether a property is a candidate for redevelopment is not condition or price but whether the parcel carries a ROGO exemption—meaning it previously held a legally and lawfully established residential unit and has public utilities. Such a parcel retains a building right permanently, allowing the existing structure to be demolished and replaced without entering the allocation system. The replacement is not restricted to the original footprint or square footage; only current building codes and property setbacks limit it. That distinction is not visible in a listing, and two adjacent lots at similar prices can differ entirely on this point, with the one carrying the exemption worth materially more to a buyer planning to build.
Monroe County anticipates roughly 588 of the 900 allocations authorized chainwide, released at approximately 40 per year across at least a decade. Against a vacant land inventory in the thousands of parcels, that is a small fraction, and scoring will prioritize owner-occupied, affordable, and workforce housing. The implication is that redevelopment of existing parcels, rather than construction on raw land, will account for most new homes in the Lower Keys for the foreseeable future, and the value attached to a lot carrying a building right is likely to continue separating from the value of whatever is standing on it.
For readers, the trend means that buyers seeking new-code construction should focus on properties with a ROGO exemption, while sellers of older homes should be cautious about pricing against neighborhood averages inflated by redevelopment. Tuttle, who has lived in the Florida Keys since 1997 and worked in Keys real estate for 22 years, focuses on canal-front and waterfront residential property in the Lower Keys and Middle Keys through Island Welcome Real Estate, based at 24437 Overseas Highway, Summerland Key, Florida.

