Accelerate — Cost Seg Estimator (Excel §481 + Short Year + 2010 Guard) — v2 — Summary Enabled
ENGINEERING-BASED TAX ANALYSIS
COST SEGREGATION ESTIMATOR
High-level estimate of accelerated depreciation and potential tax benefit based on property inputs.
Step 1 — Property Inputs
Estimation Inputs
Provide the property and tax details used to calculate your preliminary cost segregation estimate.
Heads up: Properties placed in service before 2010 generally have little or no ethical §481(a) catch-up benefit. Calculations are shown for transparency, but expect minimal impact.
Is your Property Upgraded?
Property Type
Purchase Price
Land Allocation %: (If unknown, use 10%)
Combined Federal & State tax bracket %
(Enter your estimated overall tax rate, combining both federal and state taxes. If you’re unsure, many property owners fall between 25% and 35%.)
%
Land Value: (computed)
$0.00
Date Placed in Service:
Acquisition Date: Optional, if different
Year of Change for §481(a) Adjustment (Usually your current tax year, e.g., 2025)
Short-Year Months (Months in your current tax year — usually 12)
Exclude Bonus in §481(a)
§481(a) represents the cumulative change in depreciation for all prior years under the new method.
The current-year deduction equals the new-method straight-line depreciation plus the §481(a) adjustment.