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South Barrington Tax & Financial Services logo, established 1993

Calculators

You can review interesting calculators on my site.

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Contact Us

Please feel free to contact us with any questions.

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Videos

We have interesting videos for you to watch on my site.

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Individual and Small Business Tax Returns Including
Sole Proprietors, Partnerships, S-Corps & LLC’s

William Vlazny and his team have been sharing their expertise for over 30 years. Our service is distinguished by close personal attention and fast service in a professional and friendly atmosphere.

Q&A on RMDs

Here are answers to some key questions about required minimum distributions.

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Key Retirement and Tax Numbers for 2026

This article provides 2026 contribution limits for retirement plans and various tax deduction, exclusion, exemption, and threshold amounts.

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Wealthy Colleges Face Expanded Endowment Tax

A new tiered tax rate on the endowments of wealthy colleges and universities could affect spending on financial aid, research, and other college programs.

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Could an HSA Strengthen Your Retirement Strategy?

After age 65, retirees can use HSA funds for any purpose without incurring a penalty.

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Life Expectancy

Knowing your likely life expectancy is an important factor in making long-term financial plans.

Mortgage Acceleration

This calculator can help you determine how soon you can pay off your mortgage.

Mortgage Refinancing

Determine whether you should consider refinancing your mortgage.

Home Affordability

Estimate of the maximum amount of financing you can expect to get when you begin house hunting.

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