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OREA Form 405 (2011 revision): Amendment to Agreement to Lease, Residential
Make lease amendment with ease and confidence. Use our intuitive platform for quick template modifications and reliable data protection. Transform your experience today!
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What Is OREA Form 405?
The blank on this page is the 2011 revision of OREA Form 405, which at that time was the "Amendment to Agreement to Lease" for residential tenancies in Ontario. OREA has since renumbered its residential lease forms: in OREA's Standard Forms index (2024 edition) Form 405 is "Termination of Agreement by Tenant – Agreement to Lease – Residential", and the amendment form is Form 420, "Amendment to – Agreement to Lease – Residential". The Form 420 blank on PDFLiner is the 2019 revision and is not presented as the current edition. To obtain a current authorized edition of Form 405 or Form 420, go through an OREA member brokerage, one of OREA's licensed forms providers or, for the legal community, LawyerDoneDeal (LDD).
The purpose of OREA form 405
The Ontario Lease Amendment Form is used for:
- Lease Term Modification. It amends an existing residential lease agreement.
- Official Record. It documents alterations or additions to the initial terms.
- Mutual Agreement. It requires agreement and signatures from both landlord and tenant.
- Legal Clarity. It introduces clear and official updates to the initial agreement, as well as maintains legal clarity and compliance with agreed-upon changes in tenancy.
Who should initiate the amendment to lease agreement?
Both parties of the deal are allowed to start changing the initial agreement and suggest amendments through the Lease Amendment Form. For this initiative to be successful, both the landlord and the tenant should discuss the changes in detail and only then make them official. That way, everyone involved will clearly understand the new rules and follow them religiously.
How to Amend Lease Agreement With OREA Form 405
To introduce the needed changes, you have to fill out the Amendment to Lease Agreement PDF form. If you use PDFLiner to complete the file, the procedure is as easy as ABC. Follow these 10 vital steps to cope with the task:
- Log in or create an account on the PDFLiner's website.
- Search for the needed file in our template library.
- Click to open the file in the editor.
- Fill in the landlord and tenant information accurately.
- Clearly state the modifications to the initial terms.
- Double-check that you've entered everything accurately.
- Use the e-signature feature for both parties of the deal.
- Save the completed document.
- Download or share the document as needed.
- Send the file to the other party for their review and signatures.

Whenever you require the template or a swift completion of OREA Form 405, PDFLiner simplifies the process. Access the needed template, fill it out accurately, and save heaps of your treasured time with PDFLiner's features along the way.
Examples of lease agreement changes
Examples of lease agreement changes vary depending on a particular situation. Here are some of them: modifying rent amounts or payment schedules, extending the rent duration, updating maintenance responsibilities, adding or removing specific clauses, and permitting or restricting aspects like pet ownership or property alterations. Any agreed change must comply with the Residential Tenancies Act, 2006: a term cannot shift repairs that are the landlord's responsibility onto the tenant, and a no-pets clause is void (condominium rules may still restrict pets).
Amendments and the Ontario Standard Lease
An OREA amendment changes an existing Agreement to Lease. Form 400 begins as an offer; once accepted, it is a binding agreement to enter into the lease, subject to its terms and conditions. For most private residential tenancies in Ontario, new tenancy agreements signed on or after April 30, 2018 must use the government's Residential Tenancy Agreement (Standard Form of Lease), Ontario form 047-2229 (December 2020 edition for covered new agreements signed on or after March 1, 2021). Once the tenancy is on the standard lease, changes agreed between the landlord and tenant must be recorded in writing (section 16 of the standard lease); the lease also notes that the Residential Tenancies Act, 2006 allows some rent increases and requires some rent reductions without agreement between the landlord and tenant. You can fill out the Ontario Standard Lease online.
PDFLiner is not affiliated with, endorsed by, or licensed by the Ontario Real Estate Association (OREA). OREA Standard Forms are copyright OREA and are developed for use by OREA members and licensees. The official current versions are maintained by OREA; the pre-set text of the form must not be altered when it is printed or reproduced.
Fillable online OREA Form 405, Amendment to Lease Agreement