
A Smarter Way to Do Cost Segregation
Compare Cost Seg EZ with CSSI Cost Segregation and get IRS approved studies with engineer review available.
How It Works


Sign Up
create your account in seconds.


Add Property Details
such as address, square footage and year built.


Choose DIY or Enginee
Reviewed based on your needs and post purchase renovation costs


Generate your study instantly
With DIY, or get an expert Engineer Reviewed report in three to five days.

Why Cost Seg EZ
- Professional‑grade results without traditional firm pricing.
- Instant results so you can file your returns quickly and plan with confidence.
- Audit Protection available for added peace of mind.
- Experienced team with a deep, 20+ year track record in cost segregation.
Comparing Providers
If you are weighing CSSI Cost Segregation against other options, focus on three things: how quickly you can get a usable report, how clear the online workflow feels, and what expert support you can access when you need it.
- Speed to report – For qualifying residential properties, Cost Seg EZ can generate a DIY report in minutes. If you prefer an engineer to review your inputs to ensure accuracy and maximum savings, the Engineer Reviewed option is typically ready in three to five business days. Fully Engineered studies are recommended for larger or more complex projects.
- Simple, easy process – Getting started is straightforward. Sign in with your email, add your property, select the report type that fits, and complete the guided form with step-by-step instructions and a how to video.
- Support when it matters - You can review sample materials, schedule a consultation, and add Audit Protection so an experienced team can support you if you ever face questions from the IRS related to your study.
Questions? Check out our FAQs or Contact Us
What is cost segregation?
It is an IRS‑approved tax strategy that reclassifies certain building components into 5, 7 or 15‑year property, accelerating depreciation and improving cash flow.
How much can I save?
Many property owners see 2%–10% of the purchase price back as cash tax savings in year one, with additional benefits in later years.
Who qualifies?
Owners who have acquired, built or renovated real estate are typically eligible. Residential rentals and commercial properties benefit.
Which report type should I choose?
DIY offers instant studies for qualifying residential properties. Engineer Reviewed adds expert review for added confidence and maximum savings. Fully Engineered is best for commercial or complex residential projects.
How fast can I get a report?
DIY studies are generated instantly. Engineer Reviewed reports are typically completed within three to five business days after you submit your information.