I’m buying a finished home
Have it checked before you sign or pay: the structure, moisture, the installations and whether what is built matches the permit.
Engineering oversight · Colombia
Independent oversight for foreign buyers building in Colombia.
If you pay cash for a property, no bank checks the construction for you. I do that job: I check the work, the costs and the contract, on your side.
- Licensed Industrial Engineer (COPNIA)
- 10+ years of oversight
- Independent, not a brokerage
Condominio Sorrento, Tuluá, Valle- Industrial Engineer
- John Eduar Zuluaga Ranzón
- Based in
- Tuluá, Valle del Cauca
- Experience
- 10+ years, projects and infrastructure
- Approach
- One single point of contact
Start with your situation
What are you doing in Colombia?
I’m buying off-plan
You pay first and see the result later. Check the documents, how your payments are held and what the contract says about delay.
I’m building a house
Plan the build, control the budget and have every stage checked on your side, from the land to the keys.
Codes and controls I verify
- NSR-10Seismic resistance
- RASWater and sanitation
- RETIEElectrical installations
- NTC 2050Electrical code
- RETILAPLighting
- NTC 1500Plumbing
- POTLand use and permits
- APUUnit price analysis
The gap
Cash buyers lose the one check a bank would do.
Most foreign buyers in Colombia pay in cash, because they rarely qualify for a local mortgage. A bank that finances a purchase also checks the technical side. Without a mortgage, nobody does this for you.
The result is a real, documented problem in the Colombian market:
Public infrastructure works, Valle del Cauca2,818Complaints received by the SIC
3,255Consumer lawsuits filed before the SIC
38Developers sanctioned
COP 5.77B+In sanctions imposed on developers
Source: Superintendencia de Industria y Comercio (SIC), January 2024–October 2025. sic.gov.co
What I do
Six services, one goal: no surprises in your build.
Owner’s representation, property due diligence, construction inspection and project management for foreign buyers and owners in Colombia, always independent of the seller and the builder.
Owner’s representative
A technical professional who represents you before the builder, the designers and the developer.
Construction oversight
Independent technical and administrative oversight of your build or off-plan purchase, from contract to delivery.
Home inspection
A technical inspection of a house, a new build or a rural property before you buy.
Property due diligence
Technical, zoning, permit and title review before you sign a promise of sale or pay.
Construction cost audit
A review of the budget, the quantities and the unit price analyses (APU) behind the price you pay.
Project management
Planning, scheduling, budget control and coordination of the whole project, from land to handover.
I also offer a full-service package, with independent partners, from site search to the day you get the keys.
How I work
Six steps, from first call to the keys.
Discovery call
I learn your goals, budget and timeline.
Site search and shortlist
With drone footage of each option.
Legal and technical due diligence
On the property you choose.
Design, permitting and budget approval
Before any construction starts.
Construction and independent oversight
With regular reporting.
Delivery and after-sale support
Insurance-backed handover.
Who I am
An Industrial Engineer who has managed this work for over ten years.
I am John E. Zuluaga, an Industrial Engineer with over 10 years managing infrastructure, energy and construction projects for public and private clients in Colombia. I apply industrial engineering to construction: control of processes, costs, schedules and quality.
Today I coordinate projects at a municipal public entity in Tuluá, with a portfolio of 50 contracts and 43 contractors.
To serve international clients end to end, I work with a trusted network of independent architects, real estate attorneys and insurance brokers. You get one single point of contact for the whole process.
- Industrial Engineer
- Project Management Specialization
- Energy Efficiency Specialization
- Lean Six Sigma training
- 10+ years
Start here
Where to go next.
FAQ
Common questions from foreign buyers.
Why do I need independent oversight if I pay cash?
When a bank finances a purchase, it also checks the technical side. When you pay cash, nobody does this for you. Independent oversight fills that gap, and it works only for you, not for the seller or the builder.
How much does construction oversight cost in Colombia?
There is no single price. The fee depends on the size and duration of the project, how many site visits it needs and how much coordination is involved. I quote it in writing after reviewing your documents, before any work starts.
Can you inspect a property before I buy it?
Yes. That is the best moment for an inspection, before you sign a promise of sale or make a payment. You receive a written report with photos, sorted by priority, that you can use to decide, to negotiate or to walk away.
Can you review a construction budget?
Yes. I review the quantities against the drawings, the unit prices (APU) against their components, the indirect costs, the contingency and the payment schedule, and I give you a list of observations and questions for the contractor.
Can you monitor my project if I live outside Colombia?
Yes. The work is organised so you can follow it remotely: site visits, photo and video documentation, written reports and budget-versus-actual reports in COP, USD and EUR.
Do you work for the builder or for the property owner?
For the property owner. The service is independent of the builder, the developer and the seller.
Can you inspect rural properties or fincas?
Yes, within my service area: the Valle del Cauca, Risaralda and Quindío. On a finca I also look at access, water supply, waste water, electrical supply and the condition of every building on the property.
What is an owner’s representative?
A technical and administrative professional who acts on behalf of the owner during a purchase or a build. The role is to check that what is built, paid and reported matches what was agreed, and to give the owner a clear independent picture. It is not legal representation.
What is property due diligence in Colombia?
It is the structured verification of a property before you buy it: technical condition, permitted use and permits, and the legal situation of the title. The technical and zoning checks are done by engineering professionals, and the title study by a licensed real estate attorney.
Can you help verify construction progress before payments?
Yes. Before each payment I compare the request with the work that is actually in place and the schedule, and I send you a short technical note so you can approve the payment with facts.
Do I need to travel to Colombia during construction?
Travel is not needed to follow the work. Your attorney can tell you whether any legal step, such as signing a deed, requires your presence or can be done through a representative.
Are you a real estate agent or broker?
No. I offer an engineering-led service: oversight, cost control, due diligence and design. I can help you search for a property as part of the full-service offering, but I am not a real estate broker and I do not promise investment returns.
Where do you work?
I am based in Tuluá, Valle del Cauca, and my service area is the Valle del Cauca, Risaralda and Quindío. Tell me where your property is and I will tell you honestly if I can support it.
Next step
Tell me about your property.
Send me the project, the developer and where you are in the process. I will tell you honestly what oversight makes sense.
Important: This is an engineering-led service. I am not a real estate broker and I do not promise investment returns. Legal, architectural and insurance services are delivered by licensed, independent professionals I work with.