Soil study for a serviced lot in Crespo: what to ask for before signing

Along this coast the ground is sand, fill and a high water table, and the foundation is the one part of a property you cannot see and cannot fix cheaply. The estudio de suelos —the geotechnical report— is the document that speaks to it, and what you should ask for depends on what you are buying.

A geotechnical engineer prepares the estudio de suelos with borings and laboratory testing, and it feeds the structural design filed with the licencia de construcción, the building permit. For a serviced lot that turns into different questions: asking for the report that will support work not yet built is not the same as asking for the one that supported a building put up years ago. The report states what the exploration found and what foundation the engineer recommended; it does not certify that the work was built to that recommendation, it does not replace the environmental permit where mangrove, a water setback or a ciénaga is involved, and it does not assert that the property is sound today. Where no report exists, what remains is rebuilding the file: approved drawings, the filed permit, and the history of repairs the owners' association has voted.

A serviced lot is bought differently because what you acquire is a capacity to build, not a built thing. The value sits in what the rules allow on that specific parcel and in the state of the surrounding development, not in what you see on a site visit, which looks much the same on every lot of the block. Three consequences follow. First, the folio tends to be young, since it was created by splitting a larger parent parcel, so the useful history lives in that parent folio and in how areas, roads and public land dedications were divided. Second, the developer does not vanish with the sale: if water, sewer, road or green- area works are still unbuilt, or obligaciones urbanísticas (duties owed to the city by the developer) are still outstanding, there remains a counterparty, and it is worth knowing who answers for them and against what security. Third, the asset produces nothing until it is built on, while still generating impuesto predial, development dues and the cost of watching over empty land. For a buyer abroad, a lot also means a permit process and a construction job run from Colombia, by someone authorized to sign.

Here the file is complicated by a neighbor nobody negotiates with: the air terminal. The neighborhood sits under the approach path, so a building project is not reviewed only by the curaduría urbana, the private office that grants permits, but also by the civil aviation authority, which sets the obstacle limitation surfaces, and by the operator running the airport under concession. That reorders the procedure: before buying with any plan to add height, request the land-use opinion from the District and ask about the aviation ruling, because that is where a seller's assumptions collapse. On top of height there is noise exposure, which never appears on the certificado de tradición y libertad, the registry history and encumbrance certificate, and does appear in the airfield regime, so the exposure sits in the rules over the land rather than in the title itself. The counterparty differs too: a formal neighborhood of long-standing owners, with unsettled sucesiones, estate proceedings, and houses carved into several apartments without registering the split, so compare the original permit against what stands before accepting a per-unit valuation.

What is specific to Crespo

What to verify, step by step

1. Ask who signed the estudio de suelos and request the full report with its boring logs, not the cover sheet.
2. Confirm with the curaduría urbana —the private office that issues building permits— whether that report is in the permit file, and whether the approved drawings match what stands on site.
3. Ask Cardique whether the land is affected by mangrove, a water setback or a ciénaga, since that governs what can be founded there.
4. Review what belongs to serviced lots and is not covered by the report alone: whether the lot has been split out with its own matrícula inmobiliaria or still sits inside a larger undivided parcel; what the rules let you build on that specific lot —use, height, setbacks, ground coverage— and whether the licencia de urbanismo is current and which obligaciones urbanísticas (developer duties owed to the city) are still outstanding and whether they pass to the buyer, since they fall due before you can build.
5. Add what the ground in Crespo imposes: what building height the lot allows under the airport approach path, because the aviation restriction stacks on top of District zoning and is the first fact left out when a lot is offered; whether what stands matches the permit and the registry folio, a common gap in family houses split into apartments without registering the split and how shoreline protection in front of the property was resolved and which body answers for that work, because it is not the seller.
6. If no report exists because the building is old, commission an engineer to assess its present condition and ask the District for whatever risk information it holds on the property.

Mistakes that cost money

• Accepting the neighbouring lot's report. Exploration is site-specific, and in coastal fill it changes from one property to the next.
• Reading the report as a certificate that the building was properly built. It records what the engineer recommended, not what the builder did.
• Buying with a visible crack and a verbal promise that the administración will repair it. What counts is the minute in which the owners voted the work and how it is paid for.

Frequently asked questions

Can the soil study for a serviced lot be sent to me by email?

Yes, it is a file and can be reviewed from abroad. The person who has to read it with judgement is an engineer, not the broker.

What if the seller says the report was lost?

Ask the curaduría for the permit file, where it was filed, and in parallel order an assessment of present condition.

Does the soil study cover beach erosion?

No. That is a separate question, put to the environmental and maritime authorities rather than to the geotechnical engineer.

Where to check it

• Curadurías Urbanas de Cartagena — whether a current building or subdivision permit exists and exactly what it authorises
• Cardique, autoridad ambiental del Canal del Dique — environmental permits, water setbacks and mangrove or wetland constraints
• Alcaldía Mayor de Cartagena de Indias — property tax, betterment levies and District procedures
• Cartagena de Indias — the rules of the municipality Crespo belongs to

Official bodies. Specific figures are requested there, not copied from a listing.

Updated 2026-11-06