9 Red Flags When Hiring a Contractor in Mexico

1. No Written Contract

If a contractor says "we don't need a contract, trust me" — run. A proper contract includes: scope of work, materials list, payment schedule tied to milestones, completion date, penalty for delays, and warranty terms. In Mexico, a verbal agreement is nearly unenforceable.

2. Asks for 50%+ Upfront

Standard payment structure: 10–20% to start, then milestone-based payments. Never pay more than 30% before foundation is complete. A contractor who needs half upfront either has cash flow problems or is planning to disappear.

3. No RFC (Tax ID) or Company Registration

Ask for their RFC and Acta Constitutiva (company charter). If they don't have one, they're operating informally — meaning no legal accountability, no recourse if things go wrong, and your invoices won't be tax-deductible.

4. Can't Show You Completed Projects

Any legitimate contractor can take you to visit 3–5 completed projects. Not renders, not photos — actual buildings you can walk through. If they can't, they haven't built enough to prove quality.

5. Extremely Low Quote

If a quote is 30%+ below others, they're either: cutting corners on rebar/waterproofing, planning to charge extras mid-build, or bidding low to get your deposit. Construction has real costs — $12,000–$25,000 MXN/m² is the market range. Below $10,000/m² means something is being skipped.

6. No Architect or Engineer on the Team

Mexican building codes require a licensed DRO (Director Responsable de Obra) to sign off on construction. A contractor who "does everything himself" without an architect is building illegally — your property may not pass inspection or qualify for insurance.

7. Won't Provide a Detailed Budget Breakdown

A professional quote lists every material, quantity, and unit cost. A one-page quote that says "house: $200,000" hides the details where overcharging happens. Demand line-item transparency.

8. No IMSS Registration for Workers

Mexican law requires contractors to register workers with IMSS (social security). If a worker gets injured on your site and the contractor has no IMSS, you may be liable. Ask to see IMSS registration. It's non-negotiable.

9. Pressures You to Decide Immediately

"This price is only good today" or "I have another client who wants to start Monday" — classic pressure tactics. Good contractors are busy, but they don't rush you into decisions. Take time to verify references and compare quotes.

Before signing anything, verify: