What Documents Do You Need to Sell a Commercial Building?

Buyers don't take your word for anything. They take your documents.

Every number in your asking price has to be backed by paper. If it isn't, the buyer either walks or knocks the price down until the risk feels covered.

Here's the full checklist, grouped the way a buyer's due diligence team will ask for it.

The Short Answer

You'll need documents in four groups:

• Financials: proof of what the building earns and costs
• Leases: proof of who pays and for how long
• Physical records: proof of what shape the building is in
• Legal and environmental records: proof that you own it cleanly and nothing's hiding in the ground

Gather them before you list, not after an offer arrives. Put them in one organized folder, often called a data room, so your broker can share them the moment a serious buyer asks.

Missing paperwork doesn't just slow a deal. It eats into the due diligence window, and a buyer running out of time is a buyer looking for reasons to renegotiate.

Financial Documents

These prove your NOI, which is the number your price is built on.

• Rent roll: every tenant, suite, rent, lease start and end date, and deposit
• Trailing 12 months (T12) of income and expenses
• Operating statements for the past two to three years
• CAM reconciliations, showing what tenants were billed for shared costs and what was actually spent
• Property tax bills for recent years
• Insurance policies and recent claims history
• Utility bills, especially for any utilities you pay instead of tenants

If your T12 and your rent roll don't match, a buyer will notice. Reconcile them yourself first.

Lease Documents

The leases are the income. Buyers will read every one.

• Every lease, with all amendments, extensions, and side letters
• Tenant estoppel certificates, which are signed statements from each tenant confirming their rent, lease dates, deposit, and that you're not in default
• Any guarantees backing a tenant's lease
• Records of tenant defaults, late payments, or disputes

Estoppels deserve special attention. They're usually requested during due diligence, and tenants have to sign them. A slow tenant can hold up your closing. Give your tenants a heads-up early.

Physical Records

These show the buyer what they're actually getting.

• Building size and site plans
• As-built drawings or floor plans, if you have them
• Records of major capital work: roof, HVAC, parking lot, elevators
• Warranties still in effect on systems or the roof
• Service contracts for landscaping, cleaning, elevators, or security
• Recent inspection reports
• The certificate of occupancy and any open permits

Details like building size, ceiling height, and loading docks also feed straight into your listing. On Hutfin, those are standard listing fields, so having the records ready means your broker can build an accurate listing fast.

Legal and Environmental Records

These prove the property can transfer cleanly.

• Your deed and existing title insurance policy
• The most recent survey
• Zoning confirmation for the current use
• Any easements, liens, or recorded agreements
• Prior environmental reports, including any Phase I Environmental Site Assessment

One thing to know about environmental reports. Since February 2023, the EPA has recognized the ASTM E1527-21 standard for Phase I assessments, and it stopped accepting the older 2013 version for all appropriate inquiries purposes as of February 2024. Under the updated rule, a prior assessment can be used as guidance but can't be relied on to show current conditions.

What does that mean for you? Your old Phase I is still worth sharing, because it gives the buyer a head start. Just expect most buyers, and their lenders, to order a fresh one.

Recap

• Buyers verify everything, so every number in your price needs paper behind it
• Group documents into financials, leases, physical records, and legal and environmental records
• Reconcile your T12 and rent roll before a buyer does
• Warn tenants early about estoppel certificates, because they can delay closing
• Share old environmental reports, but expect the buyer to order a new Phase I

Final Word

A clean, complete document set is the cheapest way to protect your price. Build the data room before you list, and you'll spend due diligence answering questions instead of hunting for paperwork.

See how commercial properties are presented to buyers. Browse commercial listings at hutfin.com.