Tax Preparation

To help us prepare your tax return accurately and efficiently, please bring the following documents with you:

W-2 Forms – Income statements from your employer(s) showing wages and taxes withheld.

Information for Dependents – Names, dates of birth, and Social Security numbers for each dependent you’re claiming.

Last Year’s Tax Returns – If you’re a new client, bring your previous year’s federal and state tax returns for reference.

1099 Forms – Including income from self-employment, interest, dividends, state refunds, capital gains/losses, IRA distributions, and pensions.

Property Tax and Real Estate Documents – Bring your annual property tax bills and any closing paperwork related to home purchases or sales.

Receipts and Records for Deductions – Including donations, medical expenses, casualty losses, and large purchases like vehicles.

Small Business Records – Details of income and expenses, including mileage logs, travel receipts, meals, and entertainment expenses.

Schedule K-1s– If applicable, bring any K-1s related to estates, trusts, or partnerships.

Helpful Tax Links

Looking for reliable tax-related resources? Use the links below to access key tax websites and tools for filing, city-specific taxes, and paycheck withholding guidance.

Government Tax Agencies

Payroll & Withholding Calculators

Use these tools to estimate your paycheck and ensure your withholdings are accurate:

These tools provide general estimates and are not a substitute for personalized advice. If you’re unsure about your withholdings or tax setup, reach out to our team for professional assistance.

Small Business Tax Services

Accurate accounting is the foundation of sustainable business growth. Yet for many business owners — especially sole proprietors — managing taxes and staying compliant can quickly become overwhelming. Tax laws change frequently, forms must be completed with precision, and errors can lead to costly consequences.

Whether you’re a freelancer building your brand, a seasoned entrepreneur, or an established professional, reliable tax support is essential to your success. That’s where 1Stop Financial Services comes in.

We take the stress out of tax preparation and bookkeeping by becoming an extension of your team. Our experts work closely with you to evaluate your options, streamline your accounting processes, and ensure you remain focused on running your business — not worrying about tax deadlines.

From California to clients across the U.S., we’re here to make tax compliance easier and more efficient for your small business.

Let 1Stop Financial Services handle the numbers — so you can focus on growing your business.

Downloadable Client Forms

Please download and complete the necessary forms. Once filled, email them to info@1stoptax.com

2025+Returning+Client+Questionnaire+(Fillable)

2025+New+Client+Tax+Questionnaire+(Fillable)

Testimonials

5 star ratingI've come to 1 Stop for anything I need financially before I start searching on my own. 1 Stop has helped me purchase my last 4 vehicles. I've sold vehicles through 1 Stop. They have helped me buy and sell houses and even refinance. It's just amazing how extensive their business relationship network really is and how much money they can save you! I would highly recommend. Very professional and accommodating. I've always felt comfortable and never pressured. I've sent numerous family members and friends their and everyone has been very happy!
read more
Jayson L. Avatar
Jayson L.
7/05/2019