Is this your business?This is my business
Westminster's Trusted One-Stop Service Center

Let Us Handle Your Taxes , Immigration & Insurance — All in One Place

From tax season to green cards to the right coverage, our experienced team guides you through every step with patience, clarity, and genuine care. No jargon. No rush. Just results.

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IRS Authorized
Vietnamese Speaking
20+ Years Experience
Professional team at Văn Phòng Dịch Vụ 1 Cửa providing tax and immigration services in Westminster
10,000+
Clients Served
One-Stop
Tax · Immigration · Insurance
Our Services

Everything You Need, Under One Roof

Whether you're filing taxes, applying for a visa, or shopping for insurance, we make the complicated simple — with a smile.

Tax Preparation

Personal and business tax returns, e-filing, amendments, and IRS representation. We maximize your refund and minimize your stress — year after year.

  • Individual & Family Returns
  • Business & Corporate Filings
  • IRS Audit & Appeal Support

Immigration Services

From family-based petitions to employment visas and citizenship applications, we navigate the complex immigration system so you don't have to.

  • Family Sponsorship & Green Cards
  • Work Visas & Employment Authorization
  • Naturalization & Citizenship

Insurance Solutions

Health, life, auto, and property insurance tailored to your situation. We compare options from top carriers to find coverage that fits your life and budget.

  • Health & Medical Insurance
  • Life & Final Expense Plans
  • Auto, Home & Business Policies
Friendly staff at Văn Phòng Dịch Vụ 1 Cửa helping clients with their documents
About Us

Your Neighborhood Trusted Advisors

For over two decades, Văn Phòng Dịch Vụ 1 Cửa has been Westminster's go-to destination for tax, immigration, and insurance services. We opened our doors with one simple promise: treat every client like family.

Our team speaks Vietnamese and English fluently, understands the unique challenges faced by immigrant and first-generation communities, and takes the time to explain things in plain language. No shortcuts. No confusion. Just honest, thorough work you can rely on.

20+
Years Serving
10K+
Happy Clients
3
Core Services
Why Choose Us

What Makes Us Different

We're not a big-box firm. We're your neighbors — and that means we show up differently.

Vietnamese Speaking

Full service in Vietnamese and English — no translation needed, no misunderstood details.

Fast Turnaround

We know deadlines matter. Most returns are filed within days, not weeks.

Personal Attention

You'll always know who's working on your file. Real people, real relationships.

Accurate & Compliant

IRS-authorized and meticulously reviewed. We get it right the first time, every time.

Client Stories

What Our Clients Say

Don't take our word for it — hear from the people we've helped over the years.

"They made my first tax return so easy to understand. I was nervous about filing alone, but they walked me through everything in Vietnamese and I actually felt confident about my refund."

T
Thu Nguyen
Tax Client, Westminster

"I needed help with my green card renewal and they handled the entire process. No stress, no confusion — just clear instructions and someone who actually cared about my situation."

M
Minh Tran
Immigration Client, Garden Grove

"I got health insurance and life insurance through them and saved more than I expected. They compared all the plans and explained the differences without making me feel rushed."

L
Lan Pham
Insurance Client, Santa Ana

Ready to Get Started?

Whether it's tax season, a visa application, or a coverage question — we're here to help. Call us today or stop by our Westminster office.

(714) 621-5678 Send a Message
Get in Touch

We'd Love to Hear From You

Have a question or ready to schedule an appointment? Reach out — we respond within one business day.

Visit Us

14044 Magnolia St
Westminster, CA 92683-4700

Call Us

(714) 621-5678

Mon–Fri, 9:00 AM – 6:00 PM

Email Us

lacvietusa@gmail.com

We reply within 1 business day

Send Us a Message

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