ASCSP · IRS PUB. 5653 · § 1.168(i)-6 · 412 STUDIES · $1.84B RECLASSIFIED
Commercial · CostSeg BENCHMARKS v2.4
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ENGINEERED ANALYSIS · LARGE SCOPE

Engineered Analysis: Large-Scope Industrial, Columbus OH

425,000 SF BUILT 2020 BASIS $27.89M LOCATION Columbus, OH
RECLASS %
20.7%
5-YEAR BUCKET
$1,922,546
15-YEAR BUCKET
$3,666,071
YR-1 FED SAVINGS
$2,138,843
Industrial property at large scope — representative photography

Overview

A 425,000 SF modern distribution center in Columbus. Multiple loading docks, cross-dock layout, 32-foot clear height. 2020 construction. Acquired for $32,000,000 in 2024.

The Cost Seg Smart engineered analysis identifies $5,780,657 in accelerated bucket components (20.7% of the $27,891,200 depreciable basis after a 12.8% land valuation).

What the analysis identifies

The 425,000 SF property carries the component density typical for a modern distribution center. The component inventory pulls the following share into accelerated buckets:

  • office buildout within the industrial building (carpet, partitions, dedicated office HVAC)
  • specialty MEP for industrial operations (compressed air systems, specialty exhaust, process plumbing)
  • the truck court (the largest 15-year line in most industrial), trailer parking, fenced yard, site lighting
  • specialty electrical for production equipment, building security and CCTV systems
  • dock equipment (dock seals, levelers, bumpers — varies in classification depending on permanence)

Item-level engineering documentation supports each classification — photographs of mounting details, mechanical schematics for HVAC and plumbing classifications, electrical schedules for dedicated-circuit identification.

Reclass breakdown

BucketAmount% of basisMACRS section
5-year personal property$1,922,5476.9%Section 168(e)(3)(B); Section 1245
7-year specialty$192,0390.7%Section 168(e)(3)(C); Section 1245
15-year land improvements$3,666,07213.1%Section 168(e)(3)(E); Section 1250
39-year structural$22,110,54379.3%Section 168(c); Section 1250
Total depreciable basis$27,891,200100%

Land value (excluded from depreciable basis): $4,108,800 (12.8% land allocation, Columbus OH market).

Year-1 federal tax savings

Assuming 100% bonus depreciation per the One Big Beautiful Bill Act (OBBBA, 2025), the full accelerated bucket components are deductible in year 1:

  • Accelerated bucket total: $5,780,657
  • Federal tax savings at 37% top bracket: $2,138,843

For a passive investor, the deduction creates a passive loss offsetting passive income. For a taxpayer qualifying as a real estate professional under Section 469(c)(7), the deduction offsets active income — including business operating income from non-real-estate sources.

Methodology applied

The engine applied the following parameters:

  • Era profile: 2020 build, finish density and component weights calibrated to construction-era patterns
  • Geo factor: 0.85 (Columbus MSA, metro calibrated)
  • Component count: 41 distinct line items in the inventory
  • Indirect cost multiplier: 1.25 (standard 25% indirect uplift covering soft costs, contingency)
  • PPI multiplier: 1.04 (BLS construction cost index applied from build year to acquisition year)
  • QC status: PASS (engineered analysis cleared all 16 quality-control checks)

The land valuation used the statistical source. Properties where the county assessor record is within reliability tolerances may produce a different land allocation; the engineered methodology applies the most defensible source available.

Audit considerations specific to this property

  1. Office vs warehouse split: The office portion of an industrial building reclassifies differently than the warehouse portion. The engineering documentation establishes the square footage split and applies component weights separately.

  2. Truck court paving: The truck court is 15-year land improvement. The audit verifies the cost allocation against site work line items. Trailer parking and fenced yard areas follow the same classification.

  3. Dock equipment classification: Dock seals, levelers, and bumpers are typically 5-year equipment. Structural dock components (door tracks, structural openings, dock walls) are 39-year. The engineering schedule distinguishes.

Return profile

MetricValue
Study cost (typical)$10000–18000
Year-1 federal tax savings (37% bracket, 100% bonus)$2,138,843
Year-1 ROI on study fee119×–214×
Total accelerated depreciation pulled forward$5,780,657

The ROI calculation reflects gross year-1 tax savings against the typical study cost range. Net present value of the strategy depends on hold period (longer holds capture more time value) and recapture treatment at sale.

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