Mexican property deed documents on a desk.
Transaction Library

The TransactionLibrary

Five common Baja real estate transactions, broken into plain steps and the actual documents each one calls for. No legalese — tap any underlined term for a quick definition.

05
Transaction Types
13
Terms Defined
Plain
Language Only
§ IChoose Your Transaction
Last reviewed: August 2026

Building a home on land you already own is its own process — separate permits, a separate contract, and inspections along the way, before the structure is officially added to your property record.

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01Step

Confirm you're allowed to build what you're planning

Not all land is zoned for the kind of building you have in mind — confirm the municipality's land-use rules for your specific lot before designing anything.

Municipal planning office
Typical cost
A few hundred to ~$1,500 MXN
Typical timeline
1–2 weeks
02Step

Bring in a licensed team

In most Baja municipalities, construction plans must be signed off by a licensed architect or engineer () who takes legal responsibility for the project meeting code.

Architect / engineer (DRO)Contractor
Typical cost
DRO fees ~$80–$150 MXN per m²
Typical timeline
2–6 weeks to finalize plans
03Step

Get your construction permit

The municipality reviews plans and issues the permit to build — starting without it is a common, expensive mistake.

Municipal building department
Typical cost
Roughly $500–$7,500 MXN depending on project scope
Typical timeline
15–60 business days, varies by municipality
04Step

Lock down the contract and budget

A clear written construction contract protects against cost overruns and delays — spell out payment schedule, materials, and timeline before the first shovel.

ContractorNotario (optional for larger contracts)
Typical cost
No fixed fee — negotiation
Typical timeline
1–2 weeks to finalize
05Step

Manage inspections as you build

The municipality and your check progress at key milestones — foundation, structure, final. Keep every sign-off.

Municipal inspectorsDRO
Typical cost
Included in DRO fees
Typical timeline
Ongoing through the build
06Step

Close out and register the finished structure

The municipality issues a completion document and your property tax record updates to reflect the new structure.

Municipal building departmentTax office
Typical cost
Registration 1–3% of value of completed work
Typical timeline
2–4 weeks after completion
§ IIImportant

Everything in this library reflects Baja Property Insider’s best understanding as of the review date above, but Mexican real estate law, tax rates, and municipal requirements are updated regularly — sometimes without much notice. Baja Property Insider is an independent education platform; it does not practice law and does not provide legal advice. For guidance specific to your transaction, we can connect you directly with Gerardo Sánchez Aramburu, an independent Mexican attorney who works directly with foreign buyers and property owners in Baja California Sur.

Rules like these can shift year to year — talk to independent counsel about your transaction →

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