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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

Join TAS at the 2026 IRS Tax Forum

Join the Taxpayer Advocate Service at the 2026 IRS Nationwide Tax Forum, the IRS’s five-city outreach and education program tailored […] The post Join TAS at the 2026 IRS Tax Forum appeared f...

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...

Join TAS at the 2026 IRS Nationwide Tax Forum

Join TAS at the 2026 IRS Nationwide Tax Forum to attend Town Halls, earn continuing education credits, and get help […] The post Join TAS at the 2026 IRS Nationwide Tax Forum appeared first o...

Why do I owe a penalty and interest and what can I do about it?

Do you owe a penalty? Here’s why and what you may be able to do about it. There are many […] The post Why do I owe a penalty and interest and what can I do about it? appeared first on T...

Making Cents of the Educator Expense Deduction

Did you know that if you’re an eligible educator, you can deduct up to $300 of unreimbursed business expenses? And […] The post Making Cents of the Educator Expense Deduction appeared first o...

Is that CP53E notice from the IRS a scam?

There has been a lot of information in the news about how the IRS is moving away from paper checks. […] The post Is that CP53E notice from the IRS a scam? appeared first on Taxpayer Advocate ...

Certain Medicaid Waiver Payments May Be Excludable From Income

Learn if Medicaid waiver payments are tax-exempt, how to report them, and when to file an amended return to claim […] The post Certain Medicaid Waiver Payments May Be Excludable From Income a...

Preparing for a Disaster

Be prepared for disasters with smart recordkeeping. Learn how to protect tax records, access IRS information online, and qualify for […] The post Preparing for a Disaster appeared first on Ta...

Protect Your Potential COVID-19 Disaster Relief Refunds By Filing Formal or Protective Claims for Refund (Part III)

Don’t miss your refund. Learn how to file Form 843, choose between refund and protective claims, and avoid common mistakes […] The post Protect Your Potential COVID-19 Disaster Relief Refunds...

How to Use IRS Tax Account Transcripts to Identify Potential COVID-19 Disaster Relief Refunds (Part II)

Check your IRS transcript for potential COVID-era refunds. Learn how to find key information and identify penalties or interest you […] The post How to Use IRS Tax Account Transcripts to Iden...