Trusted in Vallejo Since Day One

Your refund isn't something to hope for — it's something to claim

We've helped hundreds of Vallejo residents and small business owners keep more of what they earned. No hidden fees, no confusing jargon — just accurate tax preparation and honest guidance, every single year.

Professional tax preparation workspace

Expert Tax Preparation

Personalized service for individuals, families, and small businesses across Solano County.

$4,200+
Avg. Client Refund
IRS & California E-Filing
Trusted by locals

Comprehensive Tax & Notary Services

From simple personal returns to complex business filings, we handle every detail so you can focus on what matters most.

Personal Income Tax

Individual returns, W-2 and 1099 filing, deduction maximization, and retirement income reporting — all done right the first time.

Small Business Tax

Sole proprietorships, LLCs, partnerships, and S-corps. We handle Schedule C, estimated taxes, payroll withholding, and quarterly filings.

IRS Resolution

Owe back taxes? Facing an audit? We navigate the IRS on your behalf — penalties, payment plans, offers in compromise, and lien releases.

Notary Public Services

Mobile notary available for real estate closings, legal documents, powers of attorney, and sworn statements throughout Solano County.

Amended Returns

Missed a deduction? Incorrect W-2? We file Form 1040-X quickly and accurately, ensuring you get every dollar you're owed.

Refund Anticipation

Get access to your anticipated refund faster. We help eligible clients understand their options for quicker access to their money.

A Local Firm That Treats Your Money Like It's Theirs

We're not a national call center. We're your neighbors in Vallejo — and we've built our reputation on accuracy, integrity, and the kind of personal attention that turns a stressful tax season into a smooth experience.

  • Zero errors, guaranteed. Every return is double-reviewed before filing. We take responsibility for accuracy.
  • Upfront, honest pricing. No surprise fees, no bait-and-switch. You'll know exactly what you owe before we begin.
  • Year-round support. Tax season doesn't define our relationship with you. Call us anytime with questions.
  • Local and accessible. Walk into our Tennessee Street office or schedule a mobile visit — we come to you.
Professional tax consultation at Diamante Income Tax & Notary
100%
Client Satisfaction

Four Simple Steps to a Stress-Free Filing

We've streamlined the process so you spend less time in paperwork and more time enjoying your refund.

01

Call or Visit

Reach out by phone or stop by our office. We'll discuss your situation and give you a clear, upfront quote.

02

Share Your Documents

Bring your W-2s, 1099s, and any relevant financial records. We'll guide you on exactly what you need.

03

We Prepare & Review

Our team prepares your return with meticulous care, then double-checks every line for maximum accuracy.

04

File & Get Paid

We e-file your return and track its progress. Most clients receive their refund within 21 days of acceptance.

What Our Clients Say

Real feedback from real people who trusted us with their taxes year after year.

"I've been coming to Diamante for three tax seasons now. They always find deductions I would have missed, and they explain everything in plain language. It's a relief to walk out knowing my return is solid."

M
Maria G.
Small Business Owner, Vallejo

"After years of doing my own taxes and stressing over every line, I finally handed it over to Diamante. The difference was night and day — my refund was bigger and I slept better all April."

J
James T.
Retired Federal Employee

"I needed a notary for a real estate closing and they came to the escrow office the same day. Professional, punctual, and incredibly thorough. They've handled my business taxes ever since."

S
Sandra L.
Real Estate Investor

Stop Leaving Money on the Table

Every year you file on your own or wait too long, you risk missing deductions, incurring penalties, or delaying your refund. Let us handle the complexity so you can keep the confidence.

1417 Tennessee St, Vallejo, CA 94590
Mon–Fri: 9 AM – 6 PM · Sat: By Appointment
diamantetax@gmail.com

Let's Talk About Your Taxes

Whether you have a simple return or a complex situation, we're here to help. Reach out by phone, email, or stop by our office — we'd love to meet you.

Office Address 1417 Tennessee St, Vallejo, CA 94590
Hours Mon–Fri: 9 AM – 6 PM
Saturday: By Appointment

Request a Free Consultation

Fill out the form below and we'll get back to you within one business day.

Message Sent Successfully

Thank you for reaching out. We'll contact you within one business day to schedule your consultation.

Is this your business?This is my business