Pool Leak — what it means + real repair cost in Florida 2026
Typical Florida installed cost for pool leak detection: $250–$700 — a curated 2026 planning range, not a bid. The most accurate figure for your home comes from a verified local pro (free, below). In Orange County, pool-adjacent permit activity over the last 90 days was in the 25–50 band among records we track — public-record aggregates, not a national guess.
What it usually means
A pool that keeps losing water may be leaking or may just be evaporating — telling them apart is the first job, because Florida sun and wind can pull down the water level all on their own.
Handle it soon — these get more expensive with time.
Common causes:
• A leak at a return, skimmer, or light niche — common spots where fittings and seals fail
• A crack in the shell or a failure in the plumbing lines under the deck
• A torn skimmer throat or a bad valve losing water when the equipment runs
• Plain evaporation, which in Florida's heat and wind can mimic a real leak
Red flags when hiring
• A dig-up-the-deck or shell-crack repair quoted before a proper leak-detection test
• No bucket test or dye test to separate real leaking from evaporation
• No state license number for the structural or plumbing repair work
• Pressure to commit to a big repair before the leak is actually located
Quick answers
How do I know if my pool is leaking or just evaporating?
The bucket test is the classic check: float a bucket of pool water on a step and compare how much the pool drops versus the bucket over a day. If the pool drops faster, you likely have a leak worth locating professionally.
Where do pools usually leak?
Most often at the returns, skimmer, light niche, and plumbing connections rather than the shell itself. Professional leak detection pinpoints it before anyone opens the deck or drains the pool — which is why detection comes before repair.
What this usually costs in Florida
Pool leak detection: $250–$700 (typical ~$375)
Detection only (dye, pressure, or electronic); the repair itself is separate.
Curated Florida 2026 estimate — installed cost for a typical FL single-family home, not a bid.
Licensing & permits in Florida
Florida licenses this trade at the STATE level (DBPR / CILB (CPC)). Hiring unlicensed for this work is illegal for the contractor — and risky for you: no permit rights, no insurance backing, no recourse.
Work like this often requires a county permit — a legitimate pro pulls it, not you.
Basis: FL Stat. 489 (DBPR state licensing).
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Covered: Lee · Pinellas · Sarasota · Charlotte · Hillsborough · Manatee | As of 2026-08-05 | Local numbers appear only when the sample is large enough to protect privacy.