Tholborn & Ostrowski

Tholborn & Ostrowski Tax and Consulting Services Welcome to Tholborn & Ostrowski, where we make it our top priority to understand your business inside and out.

By thoroughly researching your company, we can help increase your capital, improve your tax position, and grow your acquisition potential. We recently merged from Crane & Ostrowski, An Accountancy Corporation but our management has not changed nor has our dedication to customer service.

Providing a gift of stock can make sense if handled properly. Read more.
07/17/2026

Providing a gift of stock can make sense if handled properly. Read more.

Providing a gift of stock (or other property) to a friend or loved one can be a powerful tax planning tool. However, it is not without its complications.

Pass-through entities such as S corporations and certain partnerships offer legal protections and avoid double taxation....
07/10/2026

Pass-through entities such as S corporations and certain partnerships offer legal protections and avoid double taxation. Does it make sense for your business?

Given the popularity of this business format, it continues to drive tax policy. Here is what you need to know.

The ensure you're ready for an audit, tax returns should be kept indefinitely and supporting documents should be kept a ...
07/03/2026

The ensure you're ready for an audit, tax returns should be kept indefinitely and supporting documents should be kept a minimum of three years.

After filing your tax return, do not close the book on your taxes until you have set up next year's files, purged unneeded old records, and prepared your records in case of an audit. Here are some tips.

Side hustle income, tax tips, smarter food budgeting, and the growing trend of unplugging from screens. This month's ins...
07/01/2026

Side hustle income, tax tips, smarter food budgeting, and the growing trend of unplugging from screens. This month's insights can help you keep more money and spend more time on what matters.

Many Americans are taking on side hustles and part-time jobs to boost their income. While earning extra money can help pay for vacations or provide a financial cushion for your family, it can also increase your tax bill. In this month's newsletter, learn how additional income may affect your tax sit...

It's not always a good idea to amend a tax return. Do you know how to choose?
06/26/2026

It's not always a good idea to amend a tax return. Do you know how to choose?

Oops! You find an error or omission on last year's tax return. What should you do? Is it always a good idea to file an amended tax return? Here are some things to consider.

Looking for tax-free income? Here's a list of the more common types.
06/19/2026

Looking for tax-free income? Here's a list of the more common types.

There's a lot of income the IRS doesn't tax. Here are a few of the more common types.

Social Security planning starts at an early age. Here is what you should be doing now!
06/12/2026

Social Security planning starts at an early age. Here is what you should be doing now!

Too many think to pay attention to Social Security only when they near retirement. Do this at your own risk! Even those in their 20s should be taking action. Here are some tips.

Reminder: Second quarter estimated taxes are due Monday, June 15th.
06/05/2026

Reminder: Second quarter estimated taxes are due Monday, June 15th.

If you have not already done so, please plan to make your second quarter estimated tax payment. The due date is Monday, June 15th.

The IRS sends you a notice! What to do? This month's letter walks you through the process, plus much more!
06/03/2026

The IRS sends you a notice! What to do? This month's letter walks you through the process, plus much more!

As summer settles in and schedules fill up, a few smart decisions now can help you avoid costly surprises later. In this issue, there are strategies to strengthen your financial footing – from midyear tax planning opportunities to knowing when to call for help with an IRS notice. There is also...

Underreported income and math errors are key mistakes that can trigger an audit from the IRS. Having your taxes prepared...
05/29/2026

Underreported income and math errors are key mistakes that can trigger an audit from the IRS. Having your taxes prepared by a professional can significantly reduce this risk.

The IRS is constantly looking for a reason to audit you. There are several red flags that can identify your tax return as one that needs additional attention. Knowing these indicators can help you avoid the unwanted scrutiny.

Address

4525 Quail Lakes Drive Ste B
Stockton, CA
95207

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(209) 478-9616

Website

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