Guides

Guides for building and owning property in Costa Rica

Plain-English answers, with the regulation cited, to the questions owners, builders and HOAs ask most about septic systems, treatment plants and permits.

All guides

Building a house in Costa Rica: the water and wastewater permitsBefore a municipality issues a building permit for a house in Costa Rica, the project has to show where its water comes from and where its wastewater goes. This guide walks foreign owners through those steps in order, from the land use certificate to the septic design that goes in with the plans.Read the guide →
Buying a home with a wastewater treatment plant in Costa Rica: due diligence checklistIf the condo, villa or hotel you want to buy is served by a wastewater treatment plant, that plant becomes partly your responsibility and your monthly cost. This checklist covers the permits, reports, capacity and budget to review before you sign.Read the guide →
Buying land in Costa Rica: water and wastewater checks before you signA beautiful lot is only buildable if it has water and somewhere to treat its wastewater. This guide explains the checks foreign buyers should run before closing on land in Costa Rica: the water availability letter, well options, the percolation test and the site rules that can make a drain field impossible.Read the guide →
Buying property in Costa Rica: check the septic system firstIn many Costa Rican beach towns there is no public sewer, so every home, hotel and condo treats its own wastewater. Before you sign, find out what system the property has, whether it works and whether its permits are in order.Read the guide →
Greywater reuse in Costa Rica: what the rules actually allowMany eco-minded owners want to water the garden with shower and laundry water. Costa Rican rules treat that water as wastewater, so the legal path is to treat it first and then reuse it under the Wastewater Discharge and Reuse Regulation.Read the guide →
How a septic system is sized in Costa RicaIn Costa Rica the size of a septic tank and its drain field is not a rule of thumb: Decree 42075-S-MINAE sets the method step by step. This guide walks through that method with a worked example, so you can tell whether a design makes sense for your home or rental villa.Read the guide →
My septic system smells or overflows in Costa Rica: what to doA septic system that smells or overflows is telling you something specific: a blocked vent, a full tank, a flooded drain field or too much water. This guide helps you find the cause, act safely today and avoid the quick fixes Costa Rican law forbids.Read the guide →
Septic systems in Costa Rica: what owners need to knowMost beach towns in Costa Rica have no public sewer, so every home, villa and small hotel treats its own wastewater on site. This guide explains how septic systems work here, what the national rules require, and when a property needs a treatment plant instead.Read the guide →
Septic tank cost in Costa Rica: what drives the priceThere is no official price list for septic systems in Costa Rica, and a single number from the internet will not fit your lot. This guide explains what actually moves the cost, which items a cheap quote tends to leave out, what upkeep costs every year and how to compare quotes fairly.Read the guide →
The rainy season and your septic system in GuanacasteIn Guanacaste a septic system can work perfectly from December to April and overflow in October. This guide explains why the rains are the real test for a drain field, what the rules require because of it, and what owners can do before and during the wet months.Read the guide →
Wastewater permits in Costa Rica, explainedIf you are building or buying a hotel, condo or home in Costa Rica, its wastewater system needs permits from different agencies. This guide explains the discharge permit, the location permit, SETENA environmental approval and the operational reports, in plain English.Read the guide →
Wastewater treatment for boutique hotels and eco-lodges in Costa RicaA small hotel in Costa Rica quickly outgrows a septic tank, and from that point the wastewater system comes with permits, lab tests and reports to the Ministry of Health. This guide explains, for owners and investors, how the rules apply to boutique hotels and eco-lodges and how to plan a system that survives the high season.Read the guide →
Water wells and water concessions in Costa Rica: how the permits workIn Costa Rica, groundwater belongs to the public, so drilling a well and using its water are two separate permits from MINAE's Water Directorate. This guide walks you through both, step by step, for homes, condos and hotels.Read the guide →

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