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To be compliant with the CDC Guidelines both our tax offices, Fairfax and Kingstowne, are no longer accepting drop-off tax documents or scheduling face-to-face appointments or meetings. 

Please mail your tax documents to us or upload your tax documents to us via our secure portal using the NetClient tab above.

Our administrative staff and professional staff continue to work on your tax returns remotely, including replying to emails and voicemails as quickly as possible.


Please continue to monitor this web site site for updates information.

At Dean Li and Magner, LLC, the health and well-being of our customers, associates and communities is our top priority. We understand the concern and uncertainty you may be experiencing surrounding the coronavirus (COVID-19) and are committed to be responsive to the needs of our clients and associates as the situation evolves.

We strongly encourage you to use Dean Li and Magner, LLC NetClient portal to upload your tax documents to us and to retrieve your completed return's for review and to sign them electronicly. You can access the NetClient portl via our web site or download our mobile app at your convenience.

As always, the health, safety and well-being of our clients, our associates and our communities is of paramount concern. We continue to monitor the quickly evolving situation and are here to assist our clients as needed.

For additional information about COVID-19, visit the Centers for Disease Control and Prevention at 

You may:

Mail your documents to us via USPS, UPS or FedEx


Upload your documents to us via our secure portal NetClient

(43% of our current clients upload there tax documents to us)

Don't have login credentials to our secure portal NetClient, e-mail us!

You will need to scan all your tax documents before uploading.



Fairfax office at 3949 Pender Dr, Ste. 120, opens January 27 for income tax preparation

Monday - Saturday 9AM-6PM

Kingstowne office at 5680 King Centre Dr, Ste. 600, opens for income tax preparation

Wednesday, February 5, (Wednesdays only 9AM-5PM thru April 10)


We are going GREEN...ER!

Our GO GREEN Initiative is our effort to reduce our carbon footprint in our ever more fragile environment by using NetClient our mobile app or secure portal.

  • You can upload all your tax documents, whether a PDF, Word document or Excel spreadsheet, to us via our NetClient mobile app or secure portal. We will receive notification when you complete you upload.
  • You will receive your completed tax return via our NetClient mobile app or secure portal.
  • And, if you ever need a hard copy of a previous years tax return, you can print or e-mail it directly from our NetClient mobile app or secure portal.

Our planet needs our trees to generate clean air for us. Why cut down a tree just to print paper that you just throw in a drawer and may never open. It's time to pitch in to do our part!

To access our secure portal, please click NetClient CS login. (New clients need to contact us for login credentials.)

Download the NetClient CS Mobile App (Apple Apps store and Google Play)

It's FREE and provides online instant access to your previous years tax related documents.


  • Telephone...
  • (703) 223-7300
  • Fax...
  • (703) 563-6225
  • Dean, Li and Magner, LLC
  • 3949 Pender Drive
  • Suite 120
  • Fairfax, VA 22030

You can also send us a message directly through the contact page of this website.