21240 Assessor Office

Find 21240 assessor, assessment, auditor's, and appraiser's offices, revenue commissions, GIS, and tax equalization departments. Assessors provide information on property and land tax assessment, property listings, values, valuations, property search, and records.


Howard County Assessment Office 3451 Court House Drive Ellicott City MD 21043 10.0 miles from 21240 410-480-7940


Baltimore County Assessment Office 300 East Joppa Road Towson MD 21286 16.3 miles from 21240 410-512-4900

Anne Arundel County Assessment Office 45 Calvert Street Annapolis MD 21401 16.4 miles from 21240 410-974-5709

Prince Georges County Assessment Office 14735 Main Street Upper Marlboro MD 20772 25.1 miles from 21240 301-952-2500

District Of Columbia Assessor's Office PO Box 71440 Washington DC 20024 26.3 miles from 21240

Montgomery County Assessment Office 30 West Gude Drive Rockville MD 20850 26.6 miles from 21240 240-314-4510

Arlington County Revenue Commission 2100 North Clarendon Boulevard Arlington VA 22201 29.6 miles from 21240 703-228-3033

Harford County Assessment Office 2 South Bond Street Bel Air MD 21014 30.3 miles from 21240 410-836-4800

Kent County Assessment Office 114 South Lynchburg Street Chestertown MD 21620 32.1 miles from 21240 410-778-1410

Alexandria County Revenue Commission 301 King St Ste 2600 Alexandria VA 22314 33.0 miles from 21240 703-746-4157

Carroll County Assessment Office 17 E Main St Rear Westminster MD 21157 33.3 miles from 21240 410-857-0600

Falls Church County Revenue Commission 300 Park Ave Ste 104 Falls Church VA 22046 33.6 miles from 21240 703-248-5022

Queen Annes County Assessment Office 120 Broadway Centreville MD 21617 33.7 miles from 21240 410-819-4160

Frederick County Assessment Office 5310 Spectrum Drive Frederick MD 21703 41.6 miles from 21240 301-815-5350

Fairfax County Revenue Commission 12000 Government Center Parkway Fairfax VA 22035 42.9 miles from 21240 703-222-8234

Talbot County Assessment Office 29466 Pintail Drive Easton MD 21601 43.0 miles from 21240 410-819-5920

Calvert County Assessment Office 200 Duke Street Prince Frederick MD 20678 44.1 miles from 21240 443-550-6840

Loudoun County Revenue Commission 1 Harrison Street Southeast Leesburg VA 20175 47.9 miles from 21240 703-777-0260

Charles County Assessment Office 101 Catalpa Drive La Plata MD 20646 48.4 miles from 21240 301-932-2440

Caroline County Assessment Office 207 South 3rd Street Denton MD 21629 49.3 miles from 21240 410-819-4450

About Assessor Offices

What if I disagree with an assessment?

Most jurisdictions have an appeal process for contesting an assessment. While the specific rules vary from one locality to the next, the process typically involves a hearing before an assessment appeal board. Taxpayers who have concerns about their assessment should visit their local Assessor's Office or its website to learn about the appeal process and what information is required in order to appeal a property tax assessment.

How does my assessment affect the taxes I owe?

The formula used to calculate property taxes varies by location. Your assessment is one part of your property tax calculation. Your property tax payment is calculated by multiplying your property's assessed value, or in some cases half of the assessed value, by the tax rate for your location.

What is the difference between assessed value and market value?

Market value is the likely selling price of a property based on current market conditions. In some jurisdictions, the Assessor calculates an assessed value by applying a factor, for example 70%, to the market value. The assessed value is then used to calculate the taxes for that property.