Executive Summary: Key Legal and Evidentiary Issues

• The court confirmed that PVF’s construction lien (hypothèque légale) was valid and enforceable, as all legal and procedural requirements under the Civil Code of Québec were met.

• ATH Design Unique Inc. was held liable for $25,489.45 in unpaid work secured by the lien and $18,582.51 for additional non-lien extras it had authorized.

• Dominic Gagnon, although not a direct party to the main landscaping contract, was held solidarily liable with ATH for the $7,335.41 “extra” he personally signed for.

• The court rejected Gagnon’s objections to PVF’s work, noting he failed to allow PVF the opportunity to correct any alleged deficiencies before terminating the contract.

• Gagnon’s original claim seeking cancellation of the lien and damages was formally withdrawn, and the lien was upheld.

• Judicial sale of Gagnon’s property was authorized if payment was not made within 60 days, with detailed enforcement terms set.

Facts of the case and judicial findings

Dominic Gagnon, owner of a property in Longueuil, planned to construct a 16-unit residential building after a fire destroyed the existing structure. He hired architect Jacques-Antoine St-Jean and, on his recommendation, retained ATH Design Unique Inc. as the general contractor. On March 25, 2019, ATH subcontracted Pavage de la Vallée des Forts Inc. (PVF) for exterior landscaping work under a fixed-price contract valued at $73,905.96.

Work on the site was repeatedly delayed due to site obstructions and coordination issues. PVF issued three “extras” during the project, all related to unplanned cleaning and modification work authorized either by ATH or signed directly by Gagnon. On October 1, 2019, before PVF had completed its work, Gagnon wrote to PVF denouncing its “extreme dishonesty” and barring it from the site. ATH then issued a formal notice of contract termination. PVF responded with invoices for completed work and extras and published a construction lien on Gagnon’s property for $48,312.32.

Gagnon launched a legal action to cancel the lien and claim damages. PVF counterclaimed for unpaid invoices and pursued its lien enforcement through judicial sale. ATH filed a cross-claim against Gagnon, and Gagnon eventually withdrew his original claim during trial.

The court’s validation of PVF’s construction lien

The court thoroughly examined the requirements under articles 2726–2728 of the Civil Code of Québec and determined that PVF’s lien was valid. The landscaping and excavation work, including terraces, ramps, entrances, and green spaces, contributed clear and measurable value to the construction project. PVF had given proper notice of its subcontract to Gagnon, registered its lien within the prescribed deadlines, and met the technical requirements for legal publication and notification.

Although Gagnon challenged the lien’s validity and value, the court found the work aligned with the plans and produced value as required by law. It accepted expert testimony and contract analysis to calculate the value of the work completed by PVF at $25,489.45, which was backed by the lien.

Apportioning responsibility for unpaid amounts

ATH, as the contractor that signed PVF’s contract and oversaw the project, was held liable for the lien-based amount of $25,489.45 and an additional $18,582.51 for non-lien items including site cleanup and material return charges.

Separately, the court found that a specific “extra” invoice for $7,335.41, concerning additional flower boxes and two stairs, had been clearly authorized and signed by Gagnon himself, ATH, and PVF. Despite Gagnon’s attempts to minimize or deny responsibility, the court upheld the validity of the written agreement and held both Gagnon and ATH solidarily liable for that amount.

ATH’s claim against Gagnon

ATH claimed full indemnity from Gagnon for any judgment against it. The court partially accepted this claim, ordering Gagnon to reimburse ATH the $25,489.45 lien amount and $567.37 related to return costs of unused materials. However, the court refused to shift responsibility to Gagnon for the $18,582.51 in non-lien extras, which were solely authorized and managed by ATH and stemmed from its own site mismanagement.

Denial of reductions and quality objections

Gagnon argued that PVF’s work was deficient and demanded a reduction in the claim. The court rejected this, stating that PVF was never given a chance to remedy alleged issues—an essential requirement under jurisprudence. The evidence instead showed that Gagnon had blocked PVF from re-entering the site before any corrective work could be attempted.

Additionally, Gagnon’s claims about unplanned modifications (such as oversized terraces) were undermined by documents and testimony indicating that he had in fact requested those very changes.

Interest and administration fees

PVF initially claimed 18% contractual interest and additional administration fees. The court rejected the bulk of these charges under Article 1617 C.c.Q. due to lack of proof of specific harm beyond the payment delay. The only exception was the $7,335.41 “extra,” which clearly stated that overdue amounts would bear 18% interest. However, due to PVF’s revised legal conclusions, the court ultimately applied only the legal interest rate plus the indemnity under Article 1619 C.c.Q.

Enforcement through judicial sale

The court authorized the judicial sale of Gagnon’s property if the ordered payments were not made within 60 days. It designated a bailiff to manage the sale under detailed procedural conditions, allowing for use of a real estate broker and setting a minimum sale price at 90% of the property’s municipal value, or $2,534,814.

Conclusion

The Court of Québec confirmed the validity of the construction lien (hypothèque légale) registered by Pavage de la Vallée des Forts Inc. (PVF) against Dominic Gagnon’s property at 280 rue Toulouse, Longueuil, finding that the landscaping and excavation work added value to the construction and satisfied all legal requirements under articles 2726 to 2728 of the Civil Code of Québec, including proper notice, registration, and service. The court ordered ATH Design Unique Inc., the general contractor, to pay $25,489.45 for lien-protected work and $18,582.51 for additional “extra” work it had authorized independently. Additionally, ATH and Gagnon were held solidarily liable for $7,335.41 related to an extra involving flower boxes and added stairs, which both had signed for. The total principal awarded across all claims was $51,407.37 CAD, subject to legal interest and the indemnity under Article 1619 C.c.Q. from October 19, 2019, along with court costs and expert fees payable solidarily by ATH and Gagnon. The court also authorized PVF to proceed with judicial sale of Gagnon’s property if payment was not made within 60 days, setting a minimum sale price of $2,534,814 CAD—equivalent to 90% of the property’s municipal valuation. Lastly, the court granted ATH partial indemnity against Gagnon for $25,489.45 (the lien-secured amount) and $567.37 for the cost of unused materials left on-site, both also subject to legal interest and indemnity. The judgment reinforces the binding nature of construction contracts and the consequences of premature termination without opportunity to remedy, assigning liability in accordance with each party’s role in the events.