Free guide · Selling a plex in Quebec

Plex Seller Toolkit: The Complete Checklist

Preparing a plex or multi-unit property for sale is not the same as selling a house. Investor buyers — and their lenders — require specific documents, verifiable financial statements and a complete seller's declaration. This toolkit covers everything you need to gather, the steps in order and the pitfalls to avoid so your sale goes smoothly on the North Shore.

📋 3 sections 🖨️ Printable / PDF 📧 Toolkit by email

ImmoMulti Guide · Updated June 19, 2026

Plex seller toolkit — complete checklist to sell a multi-unit property in Quebec
Key takeaways
  • Income property buyers evaluate your building by its income (cap rate, GRM, NOI) — not by the neighbourhood’s residential prices.
  • A complete sale file — leases, financial statements, taxes, location certificate — speeds up due diligence and reassures lenders.
  • The seller’s declaration is a legal obligation: omitting or rushing it exposes you to legal action after the sale.
  • Below-market rents not corrected before listing will mechanically reduce the value assessed by any serious investor.

Whether you’re selling a duplex, a triplex or a 20-unit building on the North Shore, preparation makes all the difference. A well-prepared seller closes faster, negotiates from a position of strength and avoids nasty surprises during due diligence. Here is the complete toolkit.

Illustration: the three sections of the plex seller toolkit — Documents, Steps, Pitfalls 📋 SECTION 1 Documents to gather 12 items 🗓️ SECTION 2 Sale steps 7 steps ⚠️ SECTION 3 Pitfalls to avoid 6 common ones
Plex seller toolkit: three sections to prepare your sale from A to Z — ImmoMulti, North Shore

What documents are needed to sell an income property?

A serious buyer — whether a private investor, institutional buyer or CMHC-financed — will conduct a complete due diligence on your building before confirming the purchase. The more of these documents you have ready at listing time, the more credible you appear and the faster the transaction moves. Here is the exhaustive list, organized by category.

📁 Legal and administrative documents

💰 Finances and income

🔧 Building condition and work

ImmoMulti tip: Create a shareable digital folder (Google Drive, Dropbox) with all these documents. You can share it quickly with any buyer or their broker during due diligence — and it avoids scrambling for paperwork at the worst moment.

What are the steps to sell a plex in Quebec?

Selling an income property follows a logical sequence. Skipping steps — particularly valuing before having the right numbers, or choosing the sales channel without your documents ready — often costs time and money. Here is the recommended sequence.

The 7 steps to sell a plex in Quebec — from valuation to signing at the notary 1 Value by income 2 Gather the documents 3 Set the asking price 4 Choose sales channel 5 Receive the offers 6 Due diligence + inspection 7 Notary Deed of sale signed ✓ Sale closed
The 7 steps to sell a plex or multi-unit property in Quebec — from valuation to signing

🗓️ The 7 sale steps

To understand the tax impact of your sale — capital gains, CCA recapture, reserve — see our tax guide for selling an income property or our article on the real costs of selling a plex in Quebec.

If you’re still weighing your sales channel options, our page on selling an income property without a broker in Quebec and the guide on how to choose a broker for an income property give you an objective comparison.

What pitfalls should I avoid when selling a multi-unit property?

First-time plex sellers often repeat the same mistakes. These pitfalls can cost tens of thousands of dollars or derail a transaction midway. Here are the six most common ones on the North Shore.

⚠️ Price based on houses

Valuing an 8-unit building like a single-family home sends the wrong signal to investors. The price must flow from net income, the market cap rate and the state of the leases — not from house sales on the next street.

⚠️ Below-market rents left uncorrected

Rents 20% below market cannot be raised overnight in Quebec (Rental Housing Tribunal). The buyer will discount the building accordingly. Correcting the situation before the sale — or pricing it in — is essential.

⚠️ Incomplete seller’s declaration

Omitting a past water claim, a foundation problem or a known defect exposes the seller to legal action after the sale. The declaration is legal protection — it must be honest and thorough.

⚠️ Poor tenant management

Tenants who weren’t informed, are hostile to showings or refuse access can block or slow a transaction. Notify your tenants properly, respect the Civil Code timelines and coordinate showings tactfully.

⚠️ Overstated financial statements

Inflating income or omitting significant expenses (recurring work, real vacancy rate) backfires during due diligence. The buyer checks everything — and they will withdraw or renegotiate.

⚠️ Neglecting the location certificate

A certificate that’s 15 years old — or absent — almost systematically blocks the sale. Institutional lenders and CMHC require it. Order it as soon as you consider selling, not a week before signing.

Comparison: selling a plex with a complete file vs without preparation — typical timelines and outcomes Without preparation Sale timeline: 90 to 180 days Slow due diligence, missing documents Buyer renegotiates price down Risk of deal falling through Complete toolkit Sale timeline: 30 to 60 days Accelerated due diligence Price held, strong negotiating position Transaction closed with confidence
Selling a plex with a complete file vs without preparation: the impact on timeline and final outcome
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Frequently asked questions

Selling a plex in Quebec: your questions

To sell an income property in Quebec, you need to gather: all current leases and the rent roll, income and expense statements for the past 2–3 years, municipal and school tax bills, energy bills (electricity, gas), a recent location certificate (under 10 years old), the seller’s declaration, proof of major work and active warranties, as well as insurance policies and service contracts. These documents allow the buyer to assess the real return and obtain financing.

The steps are: 1) Value the property by income (cap rate, GRM, NOI) rather than residential comparables; 2) Gather all documents (leases, financial statements, taxes, location certificate); 3) Set the price based on net operating income and the market capitalization rate; 4) Choose a sales channel (specialized broker, private sale, or direct buyer like ImmoMulti); 5) Receive and analyze purchase offers; 6) Manage due diligence (inspection, document audit); 7) Sign the deed of sale at the notary.

Preparing a multi-unit property for sale typically takes 2 to 6 weeks. The longest parts are usually gathering historical financial statements, obtaining an up-to-date location certificate (allow 2 to 4 weeks), and completing the seller’s declaration. Starting to compile documents before listing the property is strongly recommended: it speeds up due diligence and reassures buyers and their lenders.

The price of a plex or income property is determined primarily by its income, not residential comparables. Three main methods: the capitalization rate (cap rate), which divides the net operating income (NOI) by the market cap rate; the gross rent multiplier (GRM); and the price per door. A property with below-market rents will be discounted by buyers, and a price based on neighbouring houses will rarely be accepted by an investor.

Yes, a location certificate is practically mandatory when selling a property in Quebec. It confirms that the building complies with zoning regulations and title. If your certificate is more than 10 years old or if work has been done since, it is strongly recommended to order a new one. The buyer or their lender will almost always require it as part of due diligence.

The main pitfalls are: basing the price on residential comparables rather than income, ignoring below-market rents that reduce the buyer-assessed value, omitting real expenses from presented financial statements, neglecting the seller’s declaration (a legal obligation), poor management of tenants during the showing period, and delaying the location certificate. An institutional or CMHC-financed buyer will scrutinize every element carefully.

Yes, you can sell your plex without a broker in Quebec. Two main options: private sale (managing the listing yourself), or direct sale to a specialized buyer like ImmoMulti. The direct sale has the advantage of avoiding any commission (4% to 7% on an income property), getting an offer within 48 hours, and benefiting from a discreet and fast transaction.

The seller’s declaration is a form in which the owner discloses the known condition of the building: known apparent and latent defects, past claims (water damage, fire, infiltrations), condition of the roof, foundations, electrical system, plumbing, etc. It is required by buyers and their brokers, and constitutes legal protection for the seller. Failing to fill it out honestly exposes the seller to legal action after the sale.