Unlock 100%
Bonus Depreciation
on Your Real Estate

Accelerate your tax deductions with cost segregation. Take first-year write-offs instead of waiting 27.5 or 39 years. Maximize cash flow now.
Powered by R.E. Cost Seg  |  Over $1.5B+ in Tax Savings Delivered
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Immediate Tax
Savings
Tax
Accelerate deductions to year one instead of waiting 27.5 or 39 years for traditional depreciation.
Works for All
Property Types
Residential rentals, commercial buildings, short-term rentals, and multi-family properties all qualify.
Permanent 100% Bonus Depreciation
For properties acquired and placed in service after January 19, 2025, 100% bonus depreciation is now permanent under current tax law.
How Cost Segregation Unlocks Bonus Depreciation
Cost segregation identifies property components that qualify for accelerated depreciation, unlocking massive first-year deductions.
Without Cost Segregation
Depreciation spread over 27.5 or 39 years
Small, predictable annual deductions
Delayed tax savings
Limited first-year cash flow
Typical annual deduction
~$36K per year
on a $1M property
With Cost Segregation
30–40% of property accelerated
100% bonus depreciation in year one
Large upfront deductions
Immediate cash-flow impact
First-year deduction
$300K+
deducted in year one
Already Own Property?
File Form 3115 (Change in Accounting Method) with your next return to claim missed bonus depreciation.
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0%
Selected year: 2026
Properties placed in service in 2026 (BEFORE Sep 28, 2017) qualify for 100 bonus depreciation on accelerated components.
0%
Selected year: 2026
Properties placed in service in 2026 (AFTER Sep 27, 2017) qualify for 100 bonus depreciation on accelerated components.
How Look-Back Studies Work
File Form 3115 with your current year tax return
Claim missed depreciation as a one-time "catch-up" deduction
No need to amend previous returns
Works for properties acquired years ago
Calculate Your Bonus Depreciation Tax Savings
Since 2022, R.E. Cost Seg has helped thousands of property owners accelerate their depreciation and maximize their tax savings through professional cost segregation studies.
Your Trusted Partner for Maximizing Bonus Depreciation
BonusDepreciation.com is an educational resource created by R.E. Cost Seg, the industry leader in engineering-based cost segregation studies.
15K+ Studies Complete
Single-family rentals to multi-million dollar commercial properties
$1.5B+ in Tax Savings
Real bonus depreciation benefits for real investors
100% IRS Audit Success Rate
Engineered for compliance with audit protection included
Industry-Leading Speed
Most bonus depreciation studies are completed in 2-3 weeks
Price Match Guarantee
We'll beat any like-for-like competitor proposal by 10%
CPA & Engineer Verified
Dual professional review ensures accuracy and compliance
Ready to maximize 
your bonus depreciation?
Get a detailed cost segregation study from the team trusted by 15,000+ real estate investors.