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Thank you for visiting our website. 

Covid-19 Response: We are currently requiring all clients and staff who are in the office to wear a face mask covering both your nose and mouth. We also offer virtual meetings and screen sharing appointments.

Sitkoff/O'Neil Accountancy Corporation is a full-service accounting firm serving clients throughout the Northern California and Nevada areas, 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 Sitkoff/O'Neil Accountancy Corporation, 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, business, or non-profit, Sitkoff/O'Neil Accountancy Corporation has years of valuable experience to assist you with your personal and professional accounting needs. Our services are tailored to fit the needs of each client, from small and mid-size businesses, to large corporations, non-profit organizations, and individual tax and estate planning. Our mission is to improve the financial outlook for our clients and our community.

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


Please remit all correspondence to our Truckee Office:


Truckee Office

10099 East River Street
Truckee, California 96161
Tel: (530) 587-3200
Fax: (530) 587-3809

Office hours: 8:30AM-5:00PM
Reno Office

720 Robb Drive, Suite 108
Reno, Nevada 89523
Tel: (775) 348-5821
Fax: (530) 587-3809 Fax
San Francisco Office

2443 Fillmore Street #380-5168
San Francisco, California 94115