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Welcome!

Thank you for visiting our website.

Dennis Duskin & Assoc., Inc. is a full-service accounting firm serving clients throughout Southern California, dedicated to providing our clients with professional, personalized services and guidance in a wide range of financial and business needs.

On this website, you will find information about Dennis Duskin & Assoc., Inc., including our list of services. We have also provided you with online resources to assist in the tax process and financial decision-making. These tools include downloadable tax forms and publications, financial calculators, news and links to other useful sites. Whether you are an individual or a small business in or around Southern California, Dennis Duskin & Assoc., Inc. has years of valuable experience assisting with your accounting needs.

Payroll Tax Withholding Calculator 
Use this calculator to calculate Payroll Tax Withholding 

 

Our EAs Are Members of the Following Associations:

  • National Association of Enrolled Agents
  • California Association of Enrolled Agents
  • National Society of Public Accountants
  • California Association of Independent Accountants

 

We welcome any questions or comments you may have. Feel free to contact us at any time:

  • Telephone...
  • (805) 579-9684
  • Fax...
  • (805) 579-9686
  • Dennis Duskin & Assoc., Inc.
  • 1180 E Patricia St., Suite 200
  • Simi Valley, CA 93065-2830

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

News

Rain or Shine: The IRS Must Prepare Now for Next Year’s Filing Season

On June 25, I released my mid-year Fiscal Year 2026 Objectives Report to Congress. In it, I praise the IRS […] The post Rain or Shine: The IRS Must Prepare Now for Next Year’s Filing Season a...

National Taxpayer Advocate Issues Mid-Year Report to Congress; Highlights Successful 2025 Filing Season and Challenges for 2026

National Taxpayer Advocate Erin M. Collins today released her Fiscal Year 2026 Objectives Report to Congress, highlighting a largely successful […] The post National Taxpayer Advocate Issues ...

Criminal VDP: TAS Reports a Win For Taxpayers – IRS Agrees to Remove Willfulness Checkbox on VDP Application Form

It is that time of year again – school is out and so are report cards. It is also time […] The post Criminal VDP: TAS Reports a Win For Taxpayers – IRS Agrees to Remove Willfulnes...

The IRS incorrectly recorded me as deceased – what should I do?

If IRS records incorrectly indicate that you or your spouse are deceased, this tax tip has instructions that can help […] The post The IRS incorrectly recorded me as deceased – what sho...

TAS Encourages You to Provide Comments on Transitioning to Electronic Payments by June 30

Know your rights and what to do if the IRS sends you a bill after you already paid your taxes. […] The post TAS Encourages You to Provide Comments on Transitioning to Electronic Payments by J...

Here is What You Need to Know for June

Updates as of June 5, 2025   Important Tax Dates Coming Up on June 16 There are important tax dates […] The post Here is What You Need to Know for June appeared first on Taxpayer Advocat...

Celebrating Taxpayer Advocate Service and Low Income Taxpayer Clinic Collaboration

“[Our] Low Income Taxpayer Clinic is profoundly grateful to our [local TAS office]…for their invaluable collaboration and partnership. In 2024, […] The post Celebrating Taxpayer Advocate Serv...

What to do if you receive an IRS balance due notice for taxes you have already paid

Know your rights and what to do if the IRS sends you a bill after you already paid your taxes. […] The post What to do if you receive an IRS balance due notice for taxes you have already paid...

Mid-Year Tax Checkup

Summertime is the perfect time for a mid-year tax checkup. A tax checkup will help you avoid being surprised with […] The post Mid-Year Tax Checkup appeared first on Taxpayer Advocate Service...

Get Current on Your Federal Taxes

Part of your Mid-Year Tax Checkup should include seeing whether you have any overdue tax returns and making sure you […] The post Get Current on Your Federal Taxes appeared first on Taxpayer ...