Baltimore County Tax Collector: Search, Address & Payment

Baltimore County, Maryland ยท Search, payment and semiannual-tax guide

Search, Pay or Fix a Baltimore County Tax Bill

The office residents call the Baltimore County Tax Collector is officially the Office of Budget and Finance / Taxpayer Services. Use it for real and personal property tax bills, payment posting, delinquency and tax-sale questions.

This guide also shows when to switch to Maryland SDAT for assessment records, how annual and semiannual dates work, and how to avoid confusing Baltimore County with Baltimore City or a Maryland state-tax portal.

Jurisdiction warning: Baltimore County and Baltimore City are separate governments. A Towson, Catonsville, Dundalk, Essex, Pikesville, Parkville, Perry Hall, Owings Mills or Reisterstown property may be in Baltimore County, but verify the jurisdiction printed on the bill before paying.
Official office

Budget and Finance / Taxpayer Services.

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Real property

410-887-2404

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Find your county tax collector: Visit taxcollectors.org to find your county tax collector office, payment portal and deadlines. Paying online through your county portal is the fastest way to stop penalty accrual.
Personal property

410-887-2411

Towson office

400 Washington Ave., Room 150.

Public hours

Mondayโ€“Friday, 8 a.m.โ€“4:30 p.m.

Choose the task

What should you do first?

1
You need the amount due

Use the county tax portal with the Parcel ID/street address for real property or the tax account number for personal property.

2
You question the value or owner record

Use Maryland SDAT. The county collects the tax; SDAT determines assessment and maintains state property records.

3
The account is late or in tax sale

Request a current payoff and deadline. Do not send the original bill amount or rely on bidder dates.

Jump directly to the answer

The page is organized by user action rather than repeating the same Baltimore County Tax Collector keyword.

Search-intent correction

The official office is not branded only as โ€œTax Collectorโ€

Baltimore County property-tax billing and collection are handled through the Office of Budget and Finance, Taxpayer Services. Maryland SDATโ€™s local billing directory sends Baltimore County payment questions to this office.

Use Taxpayer Services for

Real and personal property tax bills, payments, receipts, account posting, semiannual billing, interest, delinquency and tax sale.

Use Maryland SDAT for

Assessed value, property characteristics, mailing-address changes, Homestead status, assessment notices and appeals.

Use the Maryland Comptroller for

State income tax, estimated income-tax payments and Maryland income-tax balancesโ€”not county property tax.

Best search rule: Begin on BaltimoreCountyMD.gov or the official county tax portal. Do not enter payment information on a Baltimore City page, a Maryland income-tax page or a private directory.
Payment workflow

How to pay the correct Baltimore County account online

Confirm Baltimore County jurisdiction Match the government name printed on the bill. Stop if the property belongs to Baltimore City or another Maryland county.
Select real or personal property The identifiers and billing contacts are different.
Search the official account Use Parcel ID/street address for real property or the personal-property tax account number.
Match the property, account and year Review the address, account, bill type, annual/semiannual status, payments and amount due.
Choose electronic check or card Compare the flat e-check fee with the percentage card fee before deciding.
Verify bank or card information An authorization failure leaves the liability unpaid and late charges can continue.
Save proof and recheck posting Keep the confirmation email, transaction number, bank/card record and account details.
Payment-date warning: The portal says Baltimore County credits the payment on the date it receives the electronic payment from the bank or card company. Clicking โ€œsubmitโ€ does not protect the account if the transaction fails.
Current portal charges

Electronic-check, card and returned-payment fees

Fees published in the official county portal
Method Current published charge Best use Important risk
Electronic check $0.95 convenience fee Usually the lower-cost online option for a large tax bill Incorrect routing/account numbers can cause return and deadline problems
Credit or debit card 2.39% of the charged amount Card convenience and immediate transaction record Percentage cost can be significant on a large bill
Returned electronic check $35 returned-check charge Not a payment option Tax remains unpaid and late charges may continue
Exampleโ€”not a fee guarantee: A 2.39% card fee on a $5,000 payment is $119.50, while the currently listed e-check fee is $0.95. Always use the live checkout total because processor charges can change.
Address and remittance safety

Baltimore County tax office address versus payment mailing address

Public office and correspondence address
Baltimore County Office of Budget and Finance
Taxpayer Services
400 Washington Avenue, Room 150
Towson, MD 21204
Mailing a tax payment

Use the exact remittance address and coupon printed on the current Baltimore County tax bill or current official payment instructions.

A separate universal tax-payment PO box was not confirmed in the official sources reviewed for this audit, so the article does not invent one.

Wrong PO box warning: Search results may show P.O. Box 6754 for the Baltimore County Clerk of the Circuit Court. That is a court mailing address, not a verified Baltimore County property-tax remittance address.
Use the current bill coupon
Write the Parcel ID or tax account on the check
Confirm annual versus semiannual amount
Allow delivery and processing time
Keep a check copy and mailing proof
Do not mail cash
Contact directory

Phone number, email, office hours and the right line to call

Baltimore County and Maryland assessment contacts
Question Office Contact Prepare
Real property bill, payment or payoff Baltimore County Taxpayer Services 410-887-2404 Parcel ID, address, year and payment proof
Personal property tax bill Baltimore County Taxpayer Services 410-887-2411 Tax account, business/entity details and bill year
General Budget and Finance routing Office of Budget and Finance 410-887-3313 Department or issue needed
Email tax/payment documentation Budget and Finance financeinfo@baltimorecountymd.gov Do not email full bank/card credentials
Assessed value or assessment appeal Maryland SDAT Baltimore County 410-512-4900 SDAT account, notice and comparable evidence
Public hours: Taxpayer Services is listed Monday through Friday from 8:00 a.m. to 4:30 p.m. Check county holiday, weather and emergency notices before traveling.
Useful phone script โ€œI am checking Baltimore County [real/personal] property tax account [number] for [address/business] and tax year [year]. I need to confirm [the amount due / payment posting / semiannual status / payoff / tax-sale status]. My payment or notice reference is [number].โ€
Maryland payment schedule

Annual versus semiannual Baltimore County property tax

Bill issued and tax due Real property tax bills are issued July 1. The bill shows the annual and, when eligible, semiannual choices.
Annual payment or first semiannual installment Payment may be made without interest through September 30. An unpaid annual bill or first installment becomes delinquent October 1.
Second installment becomes due The second semiannual payment is due December 1.
Second-installment no-interest deadline The second half may be paid without interest through December 31, apart from the applicable semiannual service charge.
Principal-residence program

Baltimore County and Maryland consumer guidance primarily describe the program for owner-occupied principal residences. Non-escrow owners receive a bill that permits annual or semiannual payment when eligible.

Other account types

Personal property, rental and commercial real property have historically been excluded in county consumer guidance, while current Maryland law also addresses certain qualifying business property. Follow the classification and coupons printed on the live bill.

Do not split the bill yourself. Use the official semiannual coupons and amounts. The second installment can include a service charge that is not captured by simply dividing the annual total by two.
County-code discount

Early annual-payment discount and October interest

County-code timingโ€”use the exact discount printed on the bill
Payment timing County-code treatment User action
Before August 1 1% discount from applicable county taxes when all taxes are paid Use the discounted total shown on the current bill
During August One-half of 1% discount from applicable county taxes Do not calculate from the full combined state/county bill yourself
During September Full amount without discount or interest Pay by September 30 to avoid October delinquency
October 1 and later County code provides 1% monthly interest until paid Request a current payoff before submitting late funds
State-tax exception: The cited Baltimore County code section says its county-tax payment and discount rules do not apply to state taxes. The current billโ€™s printed discountโ€”not a homemade calculationโ€”should control.
Mortgage and missing-bill help

Escrow, annual election, address changes and duplicate-payment prevention

Mortgage servicer should pay Check the escrow disbursement and county account before sending a personal payment.
You want annual escrow payment Maryland consumer guidance says notify the lender by May 1 for annual payment in the tax year beginning July 1.
You received a bill despite escrow Contact the servicer and compare the Parcel ID, year and installment before assuming it is unpaid.
The bill did not arrive Search the county portal and check the SDAT mailing address rather than waiting beyond September 30.
Owner or mailing address is wrong Use the SDAT change-of-address/assessment route. The county collection office does not determine the state assessment record.
Both you and lender paid Save both payment records and contact Taxpayer Services for the posting/refund process.
Duplicate-payment risk: A second payment may create a refund delay. Verify account history in the Baltimore County portal and the mortgage disbursement before paying again.
Assessment and record search

Use Maryland SDAT for property value, owner record and assessment appeals

Baltimore County SDAT office
Hampton Plaza
300 E. Joppa Road, Suite 602
Towson, MD 21286

Hours: 8 a.m.โ€“4:30 p.m.
Phone: 410-512-4900

Search methods

Address, street name, Property Account Identifier or map reference. Maryland says owner name, town, neighborhood, subdivision and ZIP code are not search methods in this database.

Address-search formatting that prevents failed results

Select Baltimore Countyโ€”county code 04
Omit street directions such as North or West
Omit suffixes such as Street, Avenue or Road
Use an asterisk after a shortened street name when needed
Use the Property Account Identifier for deleted accounts
Do not use the record as a legal title report
2026 reassessment context: Maryland SDAT lists Baltimore County Area 2 as effective January 1, 2026; Area 1 was effective January 1, 2025; Area 3 was effective January 1, 2024. If the value changed, review the assessment notice and its appeal deadline.
Business and personal property

Personal property tax uses a different search and billing contact

Baltimore Countyโ€™s portal accepts real and personal property tax payments, but the identifiers and assessment responsibilities differ.

County search

Use the personal-property tax account numberโ€”not the real-property Parcel ID.

Billing phone

410-887-2411

Use for the county personal-property tax bill and payment status.

Assessment/filing

Maryland SDAT Business Services handles business personal-property returns and assessment questions.

Late-issued bill: Maryland law provides different no-interest timing when a personal-property bill is submitted after August 31. Follow the date on the bill and contact the billing line instead of applying the ordinary July-issued real-property schedule automatically.
After payment

Payment submitted but the balance still appears?

Confirm authorization Check whether the bank or card company completedโ€”not merely receivedโ€”the transaction.
Match the correct account and year Reopen the same Parcel ID or personal-property tax account and review annual/semiannual status.
Gather proof Keep the confirmation email, transaction number, canceled check, bank/card entry, payment date and amount.
Check for a returned e-check Incorrect bank details or insufficient funds can trigger a $35 charge while leaving the tax unpaid.
Call before paying again Use the real or personal property billing line and ask where the payment was applied.
Payment research script โ€œI paid Baltimore County account [number] for tax year [year] on [date]. The amount was [amount] by [e-check/card/check], and the confirmation or check number is [number]. Can you confirm whether it is pending, returned or posted to another account?โ€
Time-sensitive 2026 guidance

Late property tax, final notice and Baltimore County tax sale

Account becomes delinquent Failure to pay the annual amount or eligible first semiannual installment by September 30 moves the account into delinquency.
Unpaid balance faces further collection Maryland tax-sale guidance says balances remaining after December 31 are subject to accrued interest, penalties and tax-sale action.
Final Tax Sale Notice The Maryland Tax Sale Ombudsman describes a March 1 final notice that gives the owner 30 days to pay taxes and accrued charges.
2026 main sale date As of August 4, 2026, Baltimore Countyโ€™s official portal lists the main 2026 tax sale for August 27, 2026 from 9 a.m. to noon.
Property-owner action: The official portal lists bidder registration closing August 7, 2026 at 4:30 p.m. That is a bidder deadlineโ€”not the amount or final cure deadline for an owner. Call Taxpayer Services immediately for the current payoff and instructions for removing the property from sale.
Provide Parcel ID and property address
Identify every unpaid year and municipal charge
Request payoff through a specific date
Ask which payment forms are accepted now
Obtain confirmation the account is removed from sale
Keep every notice and receipt
Do not send the original bill amount. A delinquent payoff can include interest, penalties, advertising costs and other tax-sale charges. The live county amount controls.
Assessment relief and appeals

Homestead, homeowner credits and assessment appeals

Use the correct agency for each relief question
Need Responsible route What it changes Important warning
Homestead Tax Credit Maryland SDAT Homestead application/status Limits eligible assessment growth used for property tax Application/status is separate from paying the bill
Homeowners’ Tax Credit Maryland SDAT annual application Income-based credit for qualifying owners Must be applied for under current annual rules
Assessment appeal SDAT and the appeal instructions on the assessment notice Challenges assessed valueโ€”not the county tax rate or payment record Deadline is tied to the notice; do not wait for the tax bill
Tax-sale help Baltimore County Taxpayer Services and Maryland Tax Sale Ombudsman Payoff, cure and owner-assistance process Not a substitute for legal advice in a foreclosure case
Continue monitoring the bill. Filing an assessment appeal or tax-credit application does not automatically pause collection. Confirm account-specific payment obligations with Baltimore County.
Troubleshooting

Common Baltimore County tax problems and the safest next step

No real-property result Try the Parcel ID or street address; do not wait for owner-name search because the county portal does not provide it.
No personal-property result Use the tax account number and call 410-887-2411 for business-account help.
Property value looks wrong Use Maryland SDAT and the assessment-notice appeal route, not the payment portal.
Bill has the wrong mailing address Submit the SDAT real-property mailing-address change and continue tracking the county due date.
Mortgage company may have paid Compare escrow records and the county account before paying personally.
E-check returned Call for the new balance, $35 returned-check charge and accepted replacement method.
Tax-sale notice received Request the exact payoff and cure deadline immediately; do not rely on the normal September schedule.
Property is actually in Baltimore City Stop and use Baltimore City Department of Finance rather than Baltimore County.
Final payment check

Before submitting money or mailing a check

Jurisdiction is Baltimore County, not Baltimore City
Real or personal property account is correct
Parcel ID, address or tax account matches
Tax year and annual/semiannual amount are intentional
Discount or service charge comes from the bill
Online fee and return risk are understood
Mortgage escrow was checked
Current bill remittance address is being used
Confirmation, check copy or mailing proof will be saved
Late/tax-sale payoff was verified through a specific date
Towson visit planning

Office map and arrival checklist

Go to 400 Washington Avenue, Room 150
Confirm weekday hours and closure alerts
Bring the bill, Parcel ID/account and photo ID
Bring payment proof or the tax-sale notice
Know whether the problem is Collector or SDAT
Do not use a court-office mailing address for tax payment
Official action links

Use these sources when you are ready to act

Source review: August 4, 2026. The countyโ€™s main content pages sometimes block automated reading, so this audit cross-checked the live Baltimore County payment portal, official tax-sale portal, Maryland SDAT billing/assessment directories, Maryland statutes, Baltimore County code and the existing articleโ€™s linked county pages. Live balances, fees, tax-sale status, office closures and remittance instructions can change.

Baltimore County Tax Collector FAQs

What is the official Baltimore County Tax Collector office called?

Baltimore County property-tax billing and collection are handled by the Office of Budget and Finance through Taxpayer Services. โ€œBaltimore County Tax Collectorโ€ is common search wording rather than the departmentโ€™s full official name.

What is the Baltimore County tax office address and mailing address?

The verified public office and correspondence address is 400 Washington Avenue, Room 150, Towson, MD 21204. For mailed tax payments, use the exact remittance address and coupon on the current bill because this audit did not confirm a separate universal payment PO box.

What are the property-tax phone numbers and email?

Real property: 410-887-2404. Personal property: 410-887-2411. General Budget and Finance: 410-887-3313. Email: financeinfo@baltimorecountymd.gov.

How do I search and pay Baltimore County property tax online?

Use the county Real and Personal Property Tax Payment System. Search real property by Parcel ID or street address and personal property by tax account number. Verify the account and year before paying.

What are the online payment fees?

The official portal currently lists $0.95 for electronic check and 2.39% for credit or debit card. A returned e-check is charged $35. Use the live checkout disclosure if fees change.

When is Baltimore County property tax due?

Bills are issued July 1. Annual payments and first semiannual installments may be paid without interest through September 30. The second installment is due December 1 and may be paid without interest through December 31, apart from its service charge.

Who qualifies for semiannual payment?

County and state consumer guidance primarily describe eligible owner-occupied principal residences. Maryland law also addresses certain qualifying business property. Follow the classification and coupons on the current bill.

What is the difference between the county portal and Maryland SDAT?

The county portal shows tax account information and accepts payment. SDAT determines assessment and provides property records. An SDAT record is not a current county payoff or payment receipt.

What should I do if escrow should have paid?

Check the lenderโ€™s escrow disbursement and the county account before paying personally. Owners requesting annual escrow payment should follow Marylandโ€™s written-notice timing, generally by May 1 for the tax year starting July 1.

When is the Baltimore County 2026 tax sale?

As of August 4, 2026, the official portal lists bidder registration closing August 7 at 4:30 p.m. and the main sale August 27 from 9 a.m. to noon. Owners should request a current payoff immediately rather than relying on bidder dates.