Montgomery County, Maryland Property Records Search 2026

Montgomery County · Maryland · Free Property Lookup

Free Montgomery County MD Property Tax Records Search Using Official Maryland Tools

Search Montgomery County MD property tax records, SDAT assessment data, tax account details, payment balance, deeds, plats, parcel maps and GIS property information through official Maryland and Montgomery County resources. This guide shows exactly where to click, what search field to use and which office controls each record.

Tax billsCounty Finance
AssessmentsMaryland SDAT
DeedsMDLandRec
GIS mapsMCATLAS

Start Here: Which Montgomery County MD Record Do You Need?

Use Montgomery County real property tax search when you need a tax bill, current balance, prior payment details or payment options. Open the official Montgomery County Real Property Tax portal.

Use Maryland SDAT Real Property Search when you need assessment data, account identifier, legal description, property address, sales history, assessment values or map references. Open the official SDAT Real Property Search.

Use Maryland Land Records when you need deeds, mortgages, plats, releases, easements or recorded ownership documents. Open MDLandRec or read the Maryland Courts guidance on land records and deeds.

Important Maryland record split Montgomery County property records are not kept in one single tool. SDAT handles assessment data, Montgomery County Finance handles county property tax billing and payments, Maryland Land Records/MDLandRec handles recorded deeds, and MCATLAS/GIS tools help with parcel mapping.

Official Montgomery County MD Property Record Sources

Montgomery County property research is easier when you separate tax billing, assessment, ownership records and parcel maps. A tax bill can show what is due, but it does not replace a deed. An SDAT assessment record can help identify the account and value, but the deed chain is found through land records. GIS maps can help you see parcel context, but they are not legal boundary surveys.

What You Need Official Source Best Search Method
Property tax bill, balance or payment Montgomery County Real Property Tax Search by property tax account number or street address.
Assessment data and account identifier Maryland SDAT Real Property Search Search by address, street name, account identifier or map reference.
Deeds, mortgages and land records MDLandRec Create/login with a Maryland State Archives account, then search Montgomery County land records.
Plat images and recorded plats Maryland Plats.net Use when a property needs recorded plat or subdivision image research.
County parcel map and property map viewer MCATLAS and Property Map Viewer Search by address and identify parcel/map information.
GIS downloads and planning map tools Montgomery Planning GIS and Mapping Use for interactive maps, property layers, planimetric data and planning map viewers.

Montgomery County MD Property Tax Records Free Lookup: Step-by-Step

For a normal user, the best free lookup order is: tax account search first, SDAT assessment second, land records third, and GIS map verification when the address or parcel is unclear.

  1. Open Montgomery County’s real property tax portal. Start with the official Montgomery County Real Property Tax page. Search by the 8-digit tax account number from the bill or by property address.
  2. Confirm the tax account and bill details. Match the address, tax year, balance, payment status and prior-payment information before relying on the record.
  3. Open SDAT for assessment data. Use Maryland SDAT Real Property Search to confirm assessment values, account identifier, property description, premises address and sales information.
  4. Use land records for ownership documents. Open MDLandRec if you need deeds, mortgages, releases, easements, plats or recorded title documents.
  5. Use GIS when the parcel needs visual confirmation. Open MCATLAS or the Montgomery County Property Map Viewer to check parcel context.
Fast search tip If you have the Montgomery County tax account number, use it first. If not, use the street address in the county tax portal and then confirm the same property in SDAT using address, street name or account identifier.

Maryland SDAT Assessment Records and Property Account Lookup

Maryland SDAT is the main state source for real property assessment information. It can help you confirm account identifier, assessment values, premises address, legal description, sales history and assessment details.

SDAT is especially useful for users searching “Montgomery County MD property records by address,” “Maryland property tax assessment,” “Montgomery County SDAT property lookup,” or “property account identifier Maryland.”

Search by address

Open SDAT Real Property Search and select Montgomery County, then search by street/address details.

Search by account identifier

Use the account identifier when available because it gives a cleaner match than broad address text.

Do not search SDAT by owner name

SDAT’s own guidance says the online system does not search by owner name, town, subdivision, neighborhood or zip code.

  1. Open the SDAT search page. Go to Maryland SDAT Real Property Search.
  2. Select Montgomery County. Choose Montgomery County before entering the property details.
  3. Use address, street name or account identifier. Enter only the cleanest details. Avoid extra punctuation or apartment/unit text unless needed.
  4. Copy the account identifier. Save the account identifier, premises address, legal description, assessment values and sale information.
  5. Compare with county tax records. Open Montgomery County Real Property Tax and compare the tax account/bill information.
Practical SDAT tip SDAT is excellent for assessment identity, but it is not the same as the county tax bill page. Use SDAT for assessed value and property data, then use Montgomery County Finance for tax balance and payment status.

Montgomery County MD Tax Bills, Balances and Payment Options

The Montgomery County Real Property Tax portal is the correct official path for tax bills, balances, prior payment information and payment options. You can search by tax account number or street address.

Montgomery County offers several payment paths, including online payment, phone payment, in-person payment and mail payment. The portal notes that electronic check payments have no fee, while credit/debit card payments include a processing fee. Always confirm the current terms on the official payment page before paying.

  1. Open the official tax payment page. Visit Montgomery County Real Property Tax.
  2. Search by account number or address. Enter the 8-digit property tax account number from the bill or search by street address.
  3. Review bill and prior payments. Check current balance, tax year, bill details and any prior-payment field before making a payment.
  4. Choose payment method carefully. Use electronic check when appropriate, or review the card fee before paying by credit/debit card.
  5. Save proof. Keep confirmation number, screenshots, payment receipt, bank proof and any county response.
Payment Method Official Detail User Tip
Online Use the Montgomery County real property tax portal. Confirm account number, address, tax year and payment amount before submitting.
Phone Montgomery County lists phone payment at 240-777-8898. Keep account number and bill details ready before calling.
In person 27 Courthouse Square, Suite 200, Rockville, MD 20850. Check business hours and accepted payment types before visiting.
Mail Mail checks with payment slip to the address listed on the county payment page. Include the payment slip and keep mailing proof.
Payment warning A tax payment is not safely finished just because you submitted it online. Keep proof and verify the payment clears the county account, especially near deadlines, tax sale notices or closing.

Montgomery County MD Deeds, Mortgages, Plats and Land Records

For deeds and recorded property documents, use Maryland Land Records rather than the county tax bill page. Maryland Courts explains that deeds are public records and can be viewed online through MDLandRec after creating an account with the Maryland State Archives.

Use land records when you need deed history, ownership-transfer documents, mortgages, releases, easements, plats, refinance documents or recorded legal instruments. Use tax records when you need bill and payment information. Do not mix the two.

  1. Open Maryland Land Records. Go to MDLandRec.
  2. Create or sign in to your account. Maryland deed viewing may require a Maryland State Archives account before you can access documents online.
  3. Select Montgomery County. Choose Montgomery County land records before searching by party name, book/page, instrument number or record type.
  4. Search with deed clues. Use grantor/grantee names, recording date, deed reference, liber/folio, property address, account identifier or legal description clues.
  5. Use plats when a recorded map is needed. Open Maryland Plats.net for recorded plat image research when relevant.
Helpful video This Maryland State Archives tutorial is useful when users are confused by MDLandRec search functions. It is included because deed research is one of the hardest parts of Montgomery County property-record lookup.

MCATLAS, Property Map Viewer and GIS Parcel Maps

Montgomery County GIS tools help users see parcel location, property layers, roads, zoning/planning context, environmental layers and nearby features. GIS is useful for confirming location, but it does not replace the deed, plat, survey or legal description.

MCATLAS

Open MCATLAS for interactive county map research and parcel context.

Property Map Viewer

Open the Property Map Viewer to search by address and identify property information.

Planning GIS

Use Montgomery Planning GIS for planning maps, data downloads and map viewers.

  1. Open MCATLAS or the Property Map Viewer. Start with MCATLAS when you need parcel location or map layers.
  2. Search by address. Enter the street address and select the matching parcel carefully.
  3. Compare with SDAT. Open SDAT Real Property Search and compare account identifier, address and property details.
  4. Compare with the tax bill. Use Montgomery County Real Property Tax for tax account and bill information.
  5. Use a survey for boundary issues. Do not use map lines as final proof for fences, easements, setbacks, construction, encroachment or legal boundary disputes.

Tax Credits, Mailing Address and Owner Information Checks

Many Montgomery County searches are really about tax credits, mailing address updates, ownership timing or assessment changes after a sale. These issues can involve more than one agency.

Use SDAT for assessment records and many property owner forms. Use Montgomery County Finance for bills and balances. Use MDLandRec for the recorded deed that supports ownership transfer history.

User Question Where to Start What to Check
Why did my tax bill change? County tax bill + SDAT Assessment, tax year, charges, credits, prior balance and payment status.
Is my homestead or tax credit showing? Maryland SDAT Real Property Credit eligibility, application status, owner occupancy and account identifier.
Owner name looks outdated MDLandRec Recorded deed date, grantee name, SDAT update timing and tax account information.
Mailing address is wrong SDAT forms/resources Current mailing address, owner record, tax bill mailing address and required form.
Homeowner tip Before calling, keep the property tax account number, SDAT account identifier, premises address, tax year and a copy of the tax bill ready. This makes the support call much faster.

Assessment Appeal and Value Review Steps

If the assessment value seems wrong, start with SDAT rather than the tax payment page. SDAT is the assessment authority for Maryland real property. The county tax bill is based on assessment data, local rates and charges, but the value review path starts with SDAT.

  1. Open the SDAT record. Search the property at SDAT Real Property Search.
  2. Review assessment details. Check account identifier, premises address, legal description, sales, assessed value and assessment year.
  3. Identify the exact problem. Decide if the issue is value, property description, land data, building data, mailing address, credit status or ownership timing.
  4. Collect evidence. Useful evidence may include comparable sales, appraisal, photos, repair estimates, condition issues, incorrect square footage proof, deed details or survey information.
  5. Use official SDAT appeal guidance. Open Maryland SDAT Real Property and follow the current appeal or owner-form instructions.
Deadline warning Assessment appeals and tax-credit filings can have strict deadlines. Confirm current instructions directly with SDAT or Montgomery County before waiting.

Montgomery County MD Property Records Address, Phone, Map and Contacts

Use these official resources when you need help with Montgomery County property tax records, tax payment, SDAT assessment records, deeds, plats or GIS parcel lookup.

Montgomery County Finance / Treasury

Division of Treasury, Property Tax Section
27 Courthouse Square, Suite 200
Rockville, MD 20850

Phone: 240-777-0311
Phone payment: 240-777-8898

Open Tax Portal

MC311 Customer Service

Use MC311 for county service questions and real property tax assistance guidance.

Call 311 inside Montgomery County, or use the official MC311 website if outside the county.

Open MC311

Maryland SDAT Real Property

Use for assessment data, account identifier, property information, credits, appeals and owner forms.

Open SDAT Real Property

Maryland Land Records

Use MDLandRec for deeds, mortgages, releases and recorded land documents.

Open MDLandRec

Read Maryland Courts Deed Help

Montgomery County GIS

Use MCATLAS and the property map viewer for parcel maps and location research.

Open MCATLAS

Open Property Map Viewer

Montgomery Planning GIS

Use for interactive maps, data downloads, property layer information and planning map resources.

Open GIS and Mapping

Practical Montgomery County MD Lookup Tools

Mini Tool: Choose the Right Official Search

Use this decision helper before clicking around. It keeps the user on the correct official source and reduces wrong-record confusion.

Need tax bill or balance? Click Montgomery County Real Property Tax.
Need assessed value or account identifier? Click Maryland SDAT Real Property Search.
Need deed or mortgage history? Click MDLandRec.
Need parcel map context? Click MCATLAS or the county property map viewer.
Search the county tax portal by tax account number or street address.
Copy the tax account number, bill year, balance and payment status.
Search SDAT for account identifier, assessment value and property details.
Use MDLandRec for deeds, mortgages, releases and recorded documents.
Use Plats.net if recorded plat images are needed.
Use MCATLAS or Property Map Viewer for parcel map context.
Do not use GIS lines as legal survey boundaries.
Keep screenshots, receipts, account identifiers and official responses.
Verify taxes, liens and deed history before buying or refinancing.
Use a title professional or attorney for legal ownership decisions.

FAQ: Montgomery County MD Property Tax Records Search

How do I search Montgomery County MD property tax records for free?

Use the official Montgomery County Real Property Tax portal to search by tax account number or street address. Then use SDAT Real Property Search for assessment data and MDLandRec for recorded deeds.

Where can I view or pay my Montgomery County Maryland property tax bill?

Use the Montgomery County Real Property Tax portal. The county lists online, phone, in-person and mail payment options. Check the current fee and payment rules before paying.

Can I search Montgomery County MD property records by owner name?

SDAT’s public real property search does not search by owner name. Use address, street name, account identifier or map reference in SDAT. For deeds, MDLandRec may allow searches by grantor or grantee names.

What is the difference between SDAT and Montgomery County tax records?

SDAT provides Maryland real property assessment information. Montgomery County tax records show county tax bill, balance, payment and prior-payment information. Both should be checked for complete property-tax research.

Where do I find Montgomery County MD deeds online?

Use MDLandRec, the Maryland State Archives land-record system created with the Clerks of the Circuit Courts. You may need a Maryland State Archives account to view deed images online.

Are Montgomery County MD deeds public records?

Yes. Maryland Courts explains that deeds are public records. They can be viewed online through MDLandRec or reviewed at the appropriate Circuit Court land records office.

Where can I search Montgomery County MD GIS parcel maps?

Use MCATLAS, the Montgomery County Property Map Viewer, or Montgomery Planning GIS tools to search property map information and parcel context.

Does MCATLAS prove my legal property boundary?

No. MCATLAS and GIS viewers are public mapping tools. Legal boundary questions should be verified through deeds, plats, surveys, title reports and qualified professionals.

How do I estimate property tax for a new Montgomery County MD owner?

Use Montgomery County’s estimated real property tax and non-tax charges tool if you want an estimate for a new owner’s first full fiscal year. Always confirm the actual bill through the county tax portal.

Who do I contact for Montgomery County MD property tax questions?

Contact Montgomery County Department of Finance, Division of Treasury, Property Tax Section, or use MC311 for county customer service. For assessment value questions, use Maryland SDAT.

Can tax records prove ownership in Montgomery County MD?

No. Tax records help identify billing and assessment information, but recorded deeds and land records are the stronger source for ownership-transfer history. Use a title professional for legal decisions.

What should I check before buying property in Montgomery County MD?

Check the county tax bill, SDAT assessment record, MDLandRec deed history, mortgages or releases, plats, GIS parcel context, tax credits and any title-company findings before closing.

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