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About Us

About Our Firm

For years, Dennis Duskin & Assoc., Inc. has been providing quality, personalized financial guidance to local individuals and businesses. Dennis Duskin & Assoc., Inc.'s expertise ranges from basic tax management and accounting services to more in-depth services such as audits & financial statements.

Dennis Duskin & Assoc., Inc. is one of the leading firms in and throughout Southern California. By combining our expertise, experience and the team mentality of our staff, we assure that every client receives the close analysis and attention they deserve. Our dedication to high standards, work ethic is the reason our client base returns year after year.

Our Mission

Our mission is to help clients maintain financial viability in the present, while taking a proactive approach to achieve future goals. This requires open communication to reach an understanding of our clients' needs through research and sound analysis. Dennis Duskin & Assoc., Inc. is dedicated to meeting these goals with high standards of excellence and professionalism. We have been a staple of Southern California business community for over 40 years, and pride ourselves on the level of esteem we have earned.

Our dedication to hard work has earned the respect of the individual and business community in and around Southern California. We believe this to be a direct derivative of our talent and responsiveness to our client base. Whether you are a current or prospective client, rest assured that individuals and businesses who choose Dennis Duskin & Assoc., Inc. receive competent and timely advice.

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

News

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 ...

Appeals Improves Alternative Dispute Resolution Programs, But Barriers Remain

The IRS’s Alternative Dispute Resolution (ADR) options allow taxpayers and the IRS to resolve disputes more quickly than through the […] The post Appeals Improves Alternative Dispute Resoluti...

Your tax “to-do” list: important tax dates

The Taxpayer Advocate Service shares information on important tax deadlines for individuals and businesses. Looking for your tax “to-do list” […] The post Your tax “to-do” list: important tax...

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...