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The data desk

Teardowns and lot value: where the land outweighs the house

Every parcel on the county tax roll carries two numbers: what the land is worth, and what the whole property is worth. Divide one by the other and you get the region’s most honest teardown map. We join every active coastal listing (built before 2006 — see the artifact note below) to its tax-roll parcel and compute exactly that: 357 homes scored, refreshed daily.

AreaHomes scoredTypical land shareLand ≥ 70% of value
Neptune Beach1866%7
Atlantic Beach1560%4
Jacksonville Beach3859%11
St. Augustine19033%4
Ponte Vedra Beach9625%4

Active MLS listings built 1901–2005 in the coastal markets, joined to the latest county tax-roll assessment (FL DOR data). Land share = assessed land value ÷ total just value. Assessments lag the market; treat shares as a screen, not an appraisal.

How to read a lot-value market

In most neighborhoods the house is the asset and the lot is the location. In the older beach towns that inverts: a mid-century cottage three blocks from the ocean can sit on land worth two-thirds or more of the whole assessment, and the buyers circling it are pricing the dirt — the cottage is a rounding error or a demolition line-item. That is why price-per-square-foot, the reflex metric everywhere else, actively misleads here: a 1,100 sq ft cottage at a seven-figure ask looks absurd by the house math and rational by the lot math.

One honesty note about the data: brand-new construction often shows land at 100% of assessed value — not because the house is worthless, but because the tax roll hasn’t assessed it yet. Our analysis screens that artifact out by scoring only homes built before 2006. What survives the screen is the real signal.

The part nobody tells you

The tax roll knows before the market does. A street’s land shares creep up for years before the first teardown makes it obvious — and sellers of high-land-share homes routinely price the house they raised their kids in, not the lot a builder sees. That cuts both ways: it is where patient buyers find land wearing a cottage disguise, and where sellers leave real money behind by staging a kitchen nobody will keep. When I work either side in these pockets, the comp set is lots, not homes — recent sales divided by buildable dirt, with the town’s setback and coverage rules deciding what that dirt can actually hold.

Lot-value questions, answered straight

What does “land share” mean and why does it signal a teardown?

The county property appraiser assesses land and improvements separately. When the land is 70% or more of a home’s total just value, the market is telling you the house has become the minor asset — the classic precondition for a teardown, a major renovation, or simply a lot-value purchase. We compute it by joining every active coastal listing to its parcel on the county tax roll.

Which local areas have the most lot-value inventory?

The older beach towns, decisively. Neptune Beach and Atlantic Beach carry the region’s highest typical land shares — mid-century cottages on walk-to-ocean streets where the dirt long ago outgrew the house — with Jacksonville Beach’s older blocks and pockets of St. Augustine behind them. The table above is computed from the live tax-roll join, so it moves as inventory does.

Why do new-construction homes show land at 100% of value?

Because the tax roll lags the builder: the assessment cycle often hasn’t captured the new house yet, so the parcel reads as pure land — an artifact, not a signal. That’s why this page’s analysis only scores homes built before 2006; a 100% land share on a 2026 build means the appraiser hasn’t caught up, nothing more.

What should I check before buying a teardown?

The land’s rules, not the house’s condition: each beach town’s zoning, setbacks, height and lot-coverage limits (they differ street to street), flood zone and the elevation rules a new build must meet, coastal construction control line permitting near the ocean, and demolition plus utility logistics. I walk teardown buyers through price-per-lot comparisons rather than price-per-square-foot — in these pockets the house math actively misleads.

Jax Beach, block by block →Atlantic Beach’s ladder →Building after the teardown →What the new build costs to insure →