How the Martin County Rental Market Pulse is made

Figures are computed from active and closed rental listings in the MIAMI/SEFMLS feed for Martin County, Florida, accessed under a MIAMI REALTORS® data license held by Lundstrom & Co. The pool refreshes nightly. We publish derived aggregates only — never individual listings or addresses — and never offer the underlying data for download or redistribution.

Treasure Coast rentals split into two markets: annual (long-term, unfurnished) and seasonal (furnished, short-term). Seasonal prices are far higher and would distort the annual market most renters and investors shop, so we classify each listing by its MLS designation fields — month-status grid, minimum-lease period, lease frequency, structure type, and furnishing — and report the annual market as the headline, with the seasonal share published separately.

Annual rents are banded to $500–$50,000/mo to drop data-entry outliers. Achieved-rent medians use a trailing 30-day window; days-to-lease and the city/bedroom breakdowns use a trailing 90-day window for a more stable sample. Monthly figures cover each calendar month of closings.

A breakdown (a city or bedroom count) is published only when it has at least five leases — we never report a median over a handful of records, and never show “$0.” MLS close dates are reported 1–14 days late, so the most recent days and the current month are marked preliminary; a month finalizes on the 15th of the following month and is then frozen as a permanent record.

The living daily, weekly, monthly, and archive pages refresh after each nightly data sync. Finalized monthly archives are immutable. Asking-vs-achieved spread, days-to-lease, and the seasonal split are reported because few local sources publish them.

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