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Why are property taxes prorated at closing?

Tax prorations allocate a property tax obligation between the buyer and seller according to the contract and local practice. They are different from your monthly escrow collection. Ask the closing professional which period the adjustment covers, whether it is estimated and how later differences are handled under the agreement.

By Eric Hamilton · Published September 17, 2026

Read the period

A bill’s payment date may differ from the period it covers. That matters when allocating responsibility at a sale. Do not assume whoever receives the bill owes the entire amount personally.

Understand the closing credit

A seller credit for taxes may account for an obligation the buyer will pay later. It is not necessarily extra money available for spending. Match the credit with the future bill it relates to.

Keep escrow separate

The lender may also collect initial escrow funds for upcoming covered bills. A proration and escrow deposit can appear together for different reasons. Ask for a walkthrough if they seem duplicative.

Clarify later adjustments

Contracts and local practices may address estimated prorations differently. Ask your attorney or closing professional about any later reconciliation. A mortgage calculator cannot determine the parties’ legal responsibility.

Sources and scope

General U.S. education. Program, investor, company, servicer and state requirements vary. Agency references describe their own scope, not universal eligibility. Illustrations are hypothetical, not quotes or approvals.

  1. CFPB: Closing Disclosure explainer Accessed September 17, 2026
  2. Illinois Department of Revenue: Property tax resources (Illinois only)

Approved for publication by Eric Hamilton on September 17, 2026.

General education, not a loan quote, approval or an individual recommendation. Ask the appropriate professional about your situation.

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Your next questions

What does my mortgage escrow account pay?

An escrow account is money your mortgage servicer collects and holds to pay certain property bills, commonly taxes and homeowners insurance. It is separate from principal and interest. Read your own statement to confirm which bills are included, which you still pay yourself and when the servicer expects to pay them.

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Is an escrow shortage the same as higher taxes or insurance?

They are related but different. A higher tax or insurance bill changes the ongoing cost of owning your home. An escrow shortage means the account is below the amount needed under the analysis. A payment increase can include both. Paying the shortage does not automatically reverse the higher annual bill.

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Escrow, lender reserves and emergency savings: what is the difference?

Escrow holds money for specified property bills. Lender reserves are assets a loan program may require you to have after closing. Emergency savings are cash you choose to keep for unexpected needs. These amounts can have different rules and purposes. Do not count money assigned to one job as freely available for another.

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Why did I receive a property tax bill if my mortgage has escrow?

A bill or notice can be sent to you even when your servicer pays property taxes from escrow. Check the document, the account arrangement and the payment deadline. Do not assume every tax or assessment is included, and do not automatically pay twice. Confirm responsibility with the servicer and local tax office.

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