Water Is the #1 Thing People Get Wrong Buying Costa Rica Land — Here's How to Check It

Of all the mistakes a land buyer makes in Costa Rica, the most expensive is almost always the same: assuming there's water. A beautiful lot, well priced, with a great view, is worth nothing if you can't get water to it. Here's why water is the deciding factor and how to verify it before you sign.

Why water is everything

In Costa Rica, buying the land isn't enough: you need the right and the access to water to live or build on it. Without a legal, reliable water source, you won't get construction permits, you can't occupy the property, and its resale value collapses. It's literally the difference between usable land and decorative land.

Where a property's water comes from

• ASADA or AyA (aqueduct): the public or community system. You must confirm there's a "water availability letter" (carta de disponibilidad) for the lot — without it, no building permit.

• Spring or well on the property: your own water, a major asset. A well requires a concession; a spring must be registered and protected.

• River or creek: useful, but its use is also regulated — you can't simply extract water without permission.

The Guanacaste problem (and why it matters)

Guanacaste is beautiful and popular, but it has a long dry season and enormous pressure on water. In many areas, the ASADAs have stopped issuing new availability letters because the system is maxed out. Buying "cheap" land there and then discovering you can't get water to build is a far-too-common story. The Central Pacific interior, by contrast, is a green region with year-round rivers and springs — which is why water there isn't a luxury, it's the norm.

How to verify water before buying

• Request the water availability letter in writing from the relevant ASADA/AyA.

• If there's a spring or well, confirm it's registered with a valid concession.

• Visit in the dry season if you can: a full river in October can be a trickle in March.

• Have your lawyer make water availability a condition of closing.

The bottom line

Before you look at the view or the price, look at the water. It's the first thing experienced buyers check and the first thing beginners ignore. One of the biggest advantages of the Central Pacific interior — and of properties with their own springs and river — is that this problem, the one that sinks so many purchases elsewhere, is already solved here.