V39 · Specialized diagnostic
Construction legal hypothec: protect the homeowner file
Understand contractor, subcontractor, supplier and professional lien risk without turning RenoAtlas into legal advice.
Legal limit: planning tool only; confirm current lien rules and deadlines with a legal professional.
VERT / GREEN · JAUNE / YELLOW · ROUGE / RED triage
What the professional checks
A notary or lawyer can verify registrations, deadlines, notices, releases and legal effects for the actual file.
Official / technical sources
Sources checked 2026-08-23. Local requirements and exact products control.
Related path
Continue with the right tools
These links connect this page to the next useful checks and decisions without repeating the full content.
Plan a complete construction projectConnect feasibility, design, permits, concealed work, commissioning and closeout.Open →Check permit triggersPrepare the questions and documents to confirm with the local authority.Open →Check a contractorDocument licence, insurance, scope, payments, changes and warranties.Open →Update a construction costEscalate a historical cost using comparable index values.Open →Prepare pre-delivery reviewRecord documents, enclosure, systems, finishes and deficiencies before closeout.Open →