Rental Property Due Diligence Checklist

Rental property due diligence is what you verify between an accepted offer and the end of your contingency period, while you can still cancel or renegotiate. Check five things before that deadline: the building's condition, the leases and security deposits you will take over, the real operating costs including the property tax bill after the sale, title and legal use, and whether you can insure the property at a price that still works. For a home built before 1978, federal rules give you 10 days to have it tested for lead paint unless you and the seller agree in writing to a different period or you waive the test.

Put every deadline on the calendar first

Your purchase contract sets each date. Read it for how you must give notice to cancel or object, and for what you lose if a date passes, such as the right to cancel or your earnest money. List these the day the seller accepts:

1. End of the inspection period.
2. End of the lead inspection period, for homes built before 1978.
3. End of the insurance contingency, if the contract has a separate one.
4. Date the seller must deliver leases and other documents.
5. Title objection deadline.
6. Appraisal and financing deadlines.
7. Closing.

Book inspections and request documents promptly, so the results arrive with time left to negotiate.

Inspect the building and every unit

Hire a home inspector to go through every unit, including occupied ones. Ask the seller to arrange access and to give tenants the notice their leases and state law require. Ask the inspector for the age and condition of the most expensive items, then get a written repair or replacement estimate for anything near the end of its life.

Use the findings to ask for repairs, a credit at closing, or a lower price before the inspection period ends. If the building predates 1978, you will also owe each new tenant EPA's lead pamphlet and a disclosure of any known lead paint before they sign a lease.

Verify the leases, rent roll, and deposits

Plan on taking over the current leases. In Texas, for example, the State Law Library explains that a new owner is bound by the existing lease and cannot change it or remove the tenant before it ends unless the lease allows it. Ask the seller for:

• Every lease and amendment, including renewals, pet addenda, and rent concessions.
• The rent roll, a list of each unit's tenant, rent, deposit, lease end date, and any unpaid balance.
• Proof of collection, such as bank statements showing rent deposits, to confirm the rent roll matches what tenants actually paid.
• Tenant estoppel letters, short signed statements in which each tenant confirms the rent, the deposit, and the lease end date, and discloses any informal agreements or outstanding repair requests that may affect the obligations you take over.

You may also take over the duty to refund deposits. Under Texas Property Code section 92.105, the buyer is liable for returning tenants' security deposits from the date it takes title and must give each tenant a signed statement with the exact deposit amount. Have every deposit credited to you at closing, and check your own state's deposit law for the same rule.

Rebuild the operating expenses and the tax bill

Ask for records of the owner's actual costs: utilities the owner pays, including water, sewer, and trash, plus the insurance premium, repair invoices, association dues, and management fees. Replace the seller's estimates with these figures, and compare the rents with current listings using how to analyze a rental property market.

Do not budget from the seller's property tax bill, because a sale can reset the assessed value:

• California: a change in ownership triggers reassessment to current market value. The county sends a prorated supplemental tax bill on top of the regular bill, and it goes to you, not your lender, even if the lender pays your regular taxes from an escrow account.
• Other states: ask the county assessor how a sale changes the assessed value, whether the seller's bill includes an exemption for owners who live in the home, and whether that exemption ends once the home is rented.

Then rerun the deal with the new tax figure in how to calculate rental property cash flow.

Confirm title, legal use, and rental licensing

• Title. Read the title commitment, the title company's report of what its policy will and will not cover, for liens, unpaid taxes, judgments, and easements (rights others hold to use part of the property, such as for utility lines). Object in writing before the deadline. Most lenders require a lender's title policy, which covers only the amount they lend. An optional owner's policy covers you if someone later brings a claim from before your purchase, such as a past owner's unpaid taxes or an unpaid contractor.
• Survey. A survey shows the boundaries, any fences or buildings that cross them, and recorded easements.
• Zoning and unit count. Confirm with the city how many units the building is approved for. An unapproved unit can block conventional financing. Fannie Mae's newer appraisal rules (UAD 3.6) exclude investment properties with accessory units but permit them on qualifying one-, two-, and three-unit properties you occupy as your main residence, up to four units total. For otherwise eligible properties, its zoning exception permits one prohibited accessory unit if the lender confirms it will not jeopardize future insurance claims and the appraisal meets added requirements. The exception excludes multiple illegal accessory units. Ask your lender which appraisal rules apply.
• Rental license or registration. Some cities require one before you rent a unit, and the seller's may not carry over. Philadelphia, for example, does not let a rental license transfer in a sale: the new owner must get its own license within 10 business days after the transfer and must be current on city taxes to get it. Ask the city's licensing office about the rules where you are buying before you close.
• Association rules. For a condo or a home in an association, read the governing documents for rental bans, minimum lease terms, and caps on the number of rented units.

Make sure you can insure it

Check whether your contract lets you cancel if you cannot insure the property at a workable price. That right may sit in a separate insurance contingency with its own deadline, and an inspection contingency does not always cover insurance cost or availability. Without a clause that covers insurance, a high quote alone may not let you cancel without risking your earnest money. Get written landlord policy quotes from multiple insurers before the deadline that applies.

Then look up the flood zone on FEMA's maps. Zones that begin with A or V are high-risk, and FEMA says flood insurance is mandatory there if your mortgage is government-backed. From 2014 to 2024, almost one-third of National Flood Insurance Program claims came from outside high-risk areas, so price a flood policy even when your lender does not require one. Rental property insurance explains which coverages to quote.

For the full order of steps, from setting a cash budget to leasing the unit, see how to buy your first rental property.