How to Appeal Your Property Tax in Maryland
Maryland homeowners can appeal their property tax assessment if they believe it's too high. This guide covers the 2026 appeal deadline, required evidence, and step-by-step process.
How Maryland Assesses Property
Maryland assesses residential property at 100% of market value.
Maryland assesses property at 100% of full cash value on a triennial cycle.
The Appeal Process
Appeals are heard by the Property Tax Assessment Appeals Board (PTAAB). An informal review is available before filing a formal appeal.
Supervisor of Assessments (Informal)
Property Tax Assessment Appeals Board (PTAAB)
Maryland Tax Court
Circuit Court
Maryland Appeal Deadline
What Overassessment Costs Maryland Homeowners
The median home in Maryland is worth $380,000. If your assessment is just 10% too high, you may be overpaying:
~$407/year
Effective tax rate: 1.07% · Median value: $380,000
Check Your Maryland Assessment
Enter your address to see your estimated overassessment and Maryland filing deadline.
Maryland Counties
Anne Arundel County
Median: $432,000 · Rate: 0.97%
Deadline: 45 days from the date of the assessment notice
→ View Guide
Baltimore County
Median: $413,500 · Rate: 1.03%
Deadline: 45 days from assessment notice date
→ View Guide
Montgomery County
Median: $660,800 · Rate: 0.89%
Deadline: February 13, 2026
→ View Guide
Prince George's County
Median: $345,300 · Rate: 1.11%
Deadline: 45 days from the date of the assessment notice (typically mid-February for properties reassessed in late December)
→ View Guide
Maryland Guides & Resources
📋 How to Appeal Property Taxes in Maryland: Complete 2026 Guide
Complete guide with deadlines, forms, and step-by-step instructions
📋 How Much Can Property Taxes Increase in Maryland? 2026 Complete Guide
Maryland caps, limits, and protections
📅 Maryland Property Tax Appeal Deadline 2026: 45 Days from Notice Date
Maryland filing deadlines and process
🏦 How to Appeal Property Taxes in Escrow in Maryland (2026)
Yes, you can appeal even if your lender pays your taxes
🔑 Inheriting Property in Maryland: What Happens to Property Taxes (2026)
Maryland reassessment rules, exemptions, and strategies for inherited property
👤 Maryland Senior Property Tax Benefits: Every Exemption, Freeze & Deferral (2026)
Age 65+ exemptions, freezes, and deferrals in Maryland
What to Write When Protesting Property Taxes: Examples & Templates
Winning phrases and examples
Maryland Property Tax Relief 2026: Alternative Ways to Save Without Traditional Homestead
While Maryland doesn't offer traditional homestead exemption
Property Tax Appeal Resources
Best Appeal Services Compared
7 companies compared — pricing, coverage, and pros/cons for 2026.
2026 Appeal Deadlines
Every state's deadline, filing method, and what happens if you miss it.
Assessment Ratios by State
Every state's assessment percentage — from 4% to 100% — with worked examples.
9 Ways to Lower Your Property Taxes
From homestead exemptions to formal appeals — every method that works.
Savings Calculator
Check if you're overassessed — enter your assessed value to see potential savings.
Flat Fee vs Contingency: Which Saves More?
$49 flat vs 25-50% of savings — see the break-even math at every savings level.
Frequently Asked Questions
How do I appeal my property tax in Maryland?
When can I appeal my property tax in Maryland?
What is Maryland's property tax assessment ratio?
How much can I save by appealing in Maryland?
What evidence do I need for a Maryland property tax appeal?
What is the effective property tax rate in Maryland?
Can I file a Maryland property tax appeal online?
Ready to Appeal Your Maryland Property Tax?
Enter your address for a free overassessment analysis. If the numbers support a appeal, your complete evidence packet is $49.