About
Lincoln Systems
Since 1985
Lincoln Systems has been helping individuals and businesses handle taxes with clarity and confidence for over four decades. Our office focuses on practical solutions that make sense for your situation, not one-size-fits-all advice. We work closely with each client to understand their goals, reduce tax stress, and keep everything accurate and compliant. From simple filings to complex tax matters, our approach is hands-on, thoughtful, and built on long-term relationships. Clients trust us because we stay consistent, responsive, and focused on what actually helps them move forward financially.
Our Staff

Minoo Behboody
Enrolled Agent | Tax Advisor

Jackie Vargas

JaLleh Sadeghinejad
Personal. Practical. Proven.
We focus on real relationships and clear guidance. Our team takes the time to understand your needs, explain your options, and help you make better financial decisions year after year.
Clear communication without confusing tax language
Long-term planning, not just one-time filing
Consistent support through every stage of your finances


Call now for a Free Consultation
(213) 624-1985
Client Reviews
★★★★★
Lincoln Systems helped us simplify our taxes and stay organized. Their guidance is clear, reliable, and easy to follow.
★★★★★
They take the stress out of tax season. We always feel supported, informed, and confident in our filings each year.
★★★★★
Lincoln Systems makes complex tax work simple. Their team is responsive, thoughtful, and always focused on what helps your business move forward.
Office Hours
Daily - 9:30 am to 6:00 pm
Weekends - Closed
Holidays - 10:00 am to 3:00 pm
Lincoln Systems
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