Caroline Property Tax: Pay, Lookup & Calculate Online

The county name is identical, but the tax rules are not. Use the location on your property deed, tax bill or assessment notice to select the correct jurisdiction.

In Caroline County, Maryland, the County Tax Office collects real property taxes. The Maryland State Department of Assessments and Taxation (SDAT) maintains the official real property assessment information.

How to look up and pay a Caroline County, MD tax bill

1. Open the county’s Tax Office page.

   Use the official Caroline County, Maryland government site and select Property Tax Payment and Search. The county links to its self-service system.

2. Locate the tax account.

   Follow the current search instructions shown on the self-service portal. Keep your eight-digit property tax account number available. The live interface controls which search fields and account functions are offered.

3. Confirm the property.

   Compare the property location, account identifier, tax year and available ownership information. Avoid paying a different property with a similar address.

4. Review the full amount and any installments.

   Check county tax, state tax, municipal tax, credits, special charges, payments and any unpaid balance.

5. Choose the official payment function.

   Follow the portal’s checkout instructions. The county identifies Tyler Payments as a provider for qualifying credit card payments. Review processing charges before approval.

6. Save the confirmation.

   Keep the transaction record and verify that it is reflected on the account. Contact the Tax Office if the payment fails to post or the account details look wrong.

Maryland property tax due dates

The Maryland tax year begins July 1. Caroline County’s tax FAQ explains that annual bills or first semiannual installments may be paid without interest through September 30. Qualifying second installments are due December 31. The semiannual option can carry an additional service charge.

If your mortgage servicer pays taxes through escrow, verify whether the account is billed annually or semiannually. Do not independently submit a second payment without checking the servicer’s records.

Caroline County, Maryland FY2027 property tax rates

Caroline County Resolution 2026-008, adopted May 19, 2026, established the following county portion of real property tax for July 1, 2026 through June 30, 2027. The rates are in dollars per $100 of assessed value.

Read the official FY2027 county rate resolution (PDF) .

Caroline County, Virginia uses an official e-Treasurer system for tax tickets, real estate inquiries, payment history and payments. Real estate tax is separate from personal property tax on vehicles and other taxable personal property.

How to pay Caroline County, Virginia real estate tax

1. Open the official e-Treasurer home page.

   In its Payment Options area, choose Pay Real Estate Tax. Do not choose Personal Property Tax if you are paying on your land or home.

2. Enter your email address.

   The county’s payment help describes an initial email entry screen. Continue using the on-screen OK button.

3. Choose how to find the bill.

   The county’s documented options include Department & Ticket Number, Parcel Number, Name and Account Number. Use the ticket identifier from your bill if available.

4. Search and select your account.

   For name searches, select the correct result. Verify the parcel and tax ticket before proceeding.

5. Review bill details and amount due.

   The Total Bill screen displays the amount and allows access to individual ticket details. Follow the amount-entry rules presented for your account.

6. Continue to checkout.

   Select an available payment type, review the convenience fee and enter payment details only on the county-authorized payment system.

7. Finish the entire transaction.

   The county’s detailed help specifically warns that, after approval, you must click Required: Complete Transaction for the payment to be applied. Follow the current on-screen process and save the receipt.

How to look up property taxes without paying

On the e-Treasurer home screen, use Real Estate Public Inquiry. This is intended for reviewing bills and payment history rather than starting a payment.

1. Select Real Estate Public Inquiry.

   Open it from the e-Treasurer’s Inquiry Options list.

2. Choose your search method.

   Documented methods include Name, Account Number, Parcel Number and Street Name.

3. Select the matching account.

   Confirm the taxpayer and property details.

4. Review ticket details and payment history.

   Use the resulting detail and payment history screens to investigate current or historical bills.

Caroline County, Virginia 2026 rate and due dates

The Caroline County Board of Supervisors approved the 2026 real estate tax rate of $0.58 per $100 of assessed value at its April 14, 2026 meeting, increasing the previous $0.52 rate.

The county’s dates page states that real estate and personal property taxes are due June 5 and December 5. When a date falls on a weekend or holiday, verify the applicable deadline and payment rules directly with the Treasurer.

The county describes a 10% penalty and interest charges after the respective due dates. Do not assume the listed interest percentage is necessarily a one-time flat charge. Ask the Treasurer for the exact dated payoff.

Pay Caroline County, Virginia taxes by phone

The county authorizes ACI telephone payments at 1-800-272-9829 using jurisdiction code 1064. Have the account number printed on your bill ready. For a missing account number, contact the Treasurer.

Official pages: tax dates, Treasurer and real estate payment help.

Select the state and enter your property’s taxable assessed value. Maryland uses the county rate applicable to the property’s location; Virginia uses the adopted calendar-year county rate.

This calculator estimates the county real estate tax component. Maryland state and municipal property taxes, service charges, special assessments, tax credits and account-specific adjustments are not automatically included.

How the calculation works

For example, a $250,000 property in unincorporated Caroline County, Maryland produces a county-only estimate of $2,400 at the $0.96 rate. The same assessed value in Caroline County, Virginia produces an estimated $1,450 at the $0.58 rate. These examples are not full account balances.

Maryland: Use SDAT Real Property Data Search

In Maryland, property valuation records are maintained by the state Department of Assessments and Taxation, not the county tax-payment portal.

1. Open the Maryland Real Property Data Search.

   Go to SDAT Real Property Search .

2. Select Caroline County.

   Choose Caroline from the county dropdown.

3. Select the search type.

   Search by Street Address or Property Account Identifier. The official SDAT system does not offer owner-name, town-name or ZIP-code searching in the same way.

4. Enter the address carefully.

   SDAT recommends removing street direction words and suffixes such as Road or Street when appropriate. Try a truncated street name with an asterisk if necessary.

5. Review the parcel details.

   Check the account identifier, assessed values, property description and relevant assessment data. Then return to the Caroline County Tax Office for the actual tax bill.

Official guide: Maryland SDAT property search instructions .

Virginia: Separate the assessment from the tax ticket

In Caroline County, Virginia, the Commissioner of the Revenue and local assessment functions handle valuation questions. The Treasurer’s e-Treasurer system is the place to review tax tickets and payment history.

How to obtain yearly paid-tax information in Virginia

1. Go to e-Treasurer.

   Select Yearly Real Estate Taxes Paid.

2. Enter the taxpayer name and year.

   The help page instructs users to enter at least the first three letters of the last name and select the tax year.

3. Review the result.

   The report includes map number, ticket and sequence number, bill date, description and tax paid.

Relief depends on the state, occupancy, ownership, age, disability, income and other statutory requirements. A homeowner in Maryland cannot use Virginia’s relief application, or vice versa.

Maryland assessment appeals

Maryland SDAT is responsible for the assessment. Caroline County’s FAQ explains that taxpayers can appeal an assessment notice within 45 days of the notice date. It also describes certain appeal rights following purchase and petition opportunities for the next year’s assessment.

1. Find the SDAT assessment record.

   Check assessed value, property characteristics and notice year.

2. Review your assessment notice.

   Identify the date, appeal rights and instructions.

3. Gather useful evidence.

   Include comparable sales, factual corrections, photos or appraisal material where relevant.

4. Contact the local SDAT assessment office.

   The Caroline County assessment office number published in county guidance is 410-819-4450.

5. File within the applicable deadline.

   Keep the complete filing and any acknowledgment or decision.

Virginia assessment review

For Caroline County, Virginia, first contact the real estate assessment staff to determine whether your concern involves property facts, fair-market valuation, classification or tax billing. Assessment disputes and actual payment disputes are handled separately.

Real estate assessment contact: 804-633-9834. Ask which current appeal mechanism, filing deadline and supporting documents apply.

Caroline County, Maryland

Caroline County explains that annual taxes or first semiannual installments become delinquent after September 30, and second installments after December 31.

The county’s FAQ describes interest at 1% per month and a 3% penalty on county and municipal tax items under its stated schedule. Additional sale-related charges can apply once the collection process progresses.

Its published tax-sale timeline describes delinquent notices, spring publication and an annual May tax-lien auction. A tax-lien sale is not necessarily an immediate transfer of the deed; statutory redemption and foreclosure procedures govern what happens next.

Caroline County, Virginia

Virginia’s county Treasurer lists June 5 and December 5 deadlines and warns of penalties and interest for late payment. For an actual account, request a dated payoff from the Treasurer because the total can change over time.

Maryland official resources

Virginia official resources