100% Bonus Depreciation is officially back for 2025, creating massive tax-saving opportunities. Click here to learn how this affects your real estate investments and business.

Eileen Malk [email protected] (541) 788-1378

Our Services

A Platform Designed to Unlock Savings

Real Estate

Cost Segregation

Accelerate depreciation on your commercial property to reduce federal income taxes and increase cash flow through our engineering-based Cost Segregation analysis.
Real Estate

179D Tax Deduction

Claim up to $5.81 per square foot in tax deductions for energy-efficient commercial buildings through lighting, HVAC, and building envelope improvements.
Business

R&D Tax Credits

Receive dollar-for-dollar tax reductions for your qualifying research and development activities across manufacturing, technology, engineering, and other industries.

Over 55,000 Studies Completed Since 2003

Engineering-Based Expertise

55,000+ studies since 2003, expertly navigating complex tax regulations.

Multiple Tax Solutions

Our expertise spans cost segregation, 179D energy efficiency deduction, R&D credits, and sustainable building technologies to maximize your tax savings.  

National Coverage 

Our nationwide network of professionals provides local expertise while delivering consistent, high-quality results across all 50 states. 

Tax Professional Partnerships 

We collaborate with CPAs and tax advisors to ensure timely, compliant, and maximum tax benefits for their clients. 

CSSI is America's leading provider of engineering-based tax solutions. We partner with property owners and their tax professionals to maximize tax benefits and increase cash flow through accurate, compliant studies. Our proven methodology has never triggered an IRS audit, and our nationwide team of experts consistently delivers results that transform complex tax regulations into tangible financial benefits for our clients. 

Estimate Your Savings

Our Cost Segregation Calculator helps commercial property owners understand the potential tax benefits of accelerated depreciation. By reclassifying building components from 27.5 or 39-year property to 5, 7, or 15-year property, you can significantly increase cash flow through larger immediate tax deductions.


Simply enter your property information below to receive an estimate of potential tax savings. This calculation provides a general overview - for a detailed analysis of your specific property, our engineering-based study would identify all qualifying components.

Please note that actual results may vary based on your property's unique characteristics, acquisition date, and tax situation. The calculator assumes current tax laws and does not constitute tax advice.

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Estimated Tax Savings

Conservative Estimate

Accelerated Depreciation Deduction The total amount of depreciation deductions you would receive when using cost segregation, which reclassifies certain building components into shorter recovery periods for faster tax benefits.

Standard Straight-Line Depreciation Deduction The total amount of depreciation deductions you would receive under the standard straight-line method, typically spreading deductions evenly over 27.5 or 39 years for real property.

Increase in Deduction by Utilizing Accelerated Method The additional depreciation deduction amount you'll receive in the current tax year by using cost segregation instead of the standard depreciation method.

Total Tax Savings with a Cost Segregation Study The estimated tax dollars saved in the current tax year by implementing cost segregation, calculated by multiplying your increased deduction by your federal tax rate.

High-End Estimate

Accelerated Depreciation Deduction The total amount of depreciation deductions you would receive when using cost segregation, which reclassifies certain building components into shorter recovery periods for faster tax benefits..

Standard Straight-Line Depreciation Deduction The total amount of depreciation deductions you would receive under the standard straight-line method, typically spreading deductions evenly over 27.5 or 39 years for real property.

Increase in Deduction by Utilizing Accelerated Method The additional depreciation deduction amount you'll receive in the current tax year by using cost segregation instead of the standard depreciation method.

Total Tax Savings with a Cost Segregation Study The estimated tax dollars saved in the current tax year by implementing cost segregation, calculated by multiplying your increased deduction by your federal tax rate.

Your results show estimated first-year tax savings based on typical properties similar to yours. The Conservative Estimate shows what most property owners like you can expect at minimum, while the High-End Estimate shows what's possible with a thorough professional analysis. These numbers represent actual cash you could save on taxes. For a personalized assessment that accounts for your property's specific features, continue with our no-cost analysis request.

Continue with Full No-Cost Analysis Request

Eileen Malk

National Account Executive

Oregon

With over 40 years of experience in sales and a strong reputation as a trusted real estate broker, Eileen Malk brings a wealth of knowledge, dedication, and professionalism to every client she serves. She started in sales, developing strategic thinking, client service, and negotiation skills that later distinguished her in real estate. Eileen transitioned into real estate with a passion for helping people make some of the most important decisions of their lives. Her honest guidance and deep understanding of market trends have earned her the loyalty of clients ranging from first-time buyers to seasoned investors. To further support her clients’ financial success, Eileen has joined CSSI providing expert insight into how property owners can maximize their tax benefits through cost segregation studies. This partnership allows her to offer an added layer of value to her clients, helping them increase cash flow and reduce their tax burdens, especially in investment real estate. Whether you’re buying, selling or investing or looking at smart ways to optimize your property’s financial performance, she brings clarity, confidence, and care to every interaction.

Outside of work, Eileen enjoys spending time with her grandchildren, as well as hiking, biking, golf, roller skating, and pickleball. She is known for her “competitive nature” participating with success and achieving awards for roller derby and professional barrel racing events in the past.

Contact

Get a Free Tax Savings Analysis of Your Property

We’ll deliver a complete assessment of potential savings in as little as two business days.


Resources

Learn more about what CSSI can do for you.

We're committed to helping you take full advantage of cost segregation, 179D, and GreenZip technology.

Eileen Malk
[email protected]
(541) 788-1378

Learn More About What CSSI Can Do for You

We’re committed to helping you take full advantage of Cost Segregation, 179D, R&D Tax Credits, and Green Zip technology.

Learn More

Services

Resources

866-757-6484