A single 27.5-year schedule for the entire building.
Untouched, a $570,500 residential rental property in Moultonborough was headed for the plainest outcome the code offers: one asset, 27.5 years, roughly $21,000 in deductions a year until the schedule finally ran out.
That is the path of least resistance, not the only path. MACRS, the system every depreciation schedule runs through, treats a property as many assets with many lives. The steel and concrete earn the long recovery period. The parking, the finishes, the systems that serve equipment rather than the structure were never meant to.
Which is why the default is so often the expensive choice. It leaves the owner's money on the 27.5-year schedule when a real portion of it could be working today. The total never changes. The timing changes everything.
A rental property is more than its walls.
Residential rental property depreciates over 27.5 years by default, but the building is not a single asset. The finishes, the appliances, and the site work around it carry much shorter tax lives.
The Cost Seg America team analyzed this property the way the two engineering approaches the IRS ranks highest call for: component by component, across the whole property. Not a questionnaire, not a software estimate that runs the address through a template and returns an average. An actual engineering analysis of the structure, the site work, and the systems that a cheaper study never bothers to separate.
What an engineered study looks for in a property like this
- Interior finishes, flooring, and fixtures throughout the rental.
- Appliances and cabinetry serving the units.
- Site work and land improvements: driveways, walkways, landscaping, and site lighting.
- Dedicated electrical and plumbing serving systems beyond the base structure.
The result: $204,178, roughly 36% of the property's basis, was identified as shorter-life property and moved off the 27.5-year schedule into faster federal depreciation. That is not an estimate or a projection. It is what an engineered analysis documented on this building, to the standard the IRS publishes for its own examiners in the Cost Segregation Audit Techniques Guide.
The deduction was always yours. The speed is new.
This study created no new deduction. Every dollar of the $204K was already the owner's to take. The study changed one thing, the timing, lifting those deductions out of the distant future and setting them down in the present.
That is where the value lives. Recover money now and it can work now, in the next building, in the business, in whatever earns its keep. Wait decades and inflation quietly shrinks the same deduction before it ever arrives. So accelerating $204K is simply claiming a head start the tax code hands out on purpose, free of interest.
And the backdrop is strong. The One Big Beautiful Bill Act, signed July 4, 2025, made 100% bonus depreciation permanent for qualifying property placed in service after January 19, 2025. The shorter-life property an engineered study pulls out is exactly what qualifies, so value like this can be deducted in year one instead of leaking out over the decades.
What accelerating $204K is worth.
Reclassifying property is only half the story. The other half is what those accelerated deductions are worth once they are working for you now instead of decades from now. The figures below are illustrative, calculated from this study's real reclassified amount using the assumptions shown.
Illustrative first-year federal tax benefit: $75,546. Illustrative 10-year net present value of accelerating: $57,112.
Illustrative only, not a promise of results. First-year benefit assumes the $204K of reclassified property is deducted in year one under 100% bonus depreciation (permanent under the One Big Beautiful Bill Act for qualifying property placed in service after January 19, 2025) at a 37% federal tax rate. Net present value compares taking those deductions now versus the default schedule, discounted at 8% over 10 years. Federal figures only. Your actual benefit depends on your tax situation; your CPA determines what applies to you.
What owners ask about a result like this.
What if I purchased the property years ago, not recently?
Still on the table. The look-back reaches ten years for property bought, built, or renovated in that window. Your CPA files Form 3115 alongside the regular return, and every dollar of depreciation you missed returns this year as one catch-up, a Section 481(a) adjustment. There are no amended returns and no reopened years to worry about.
Does a big reclassification raise a flag with the IRS?
The size itself is not the issue; the documentation is. Cost segregation is a recognized practice with a published IRS examiner guide, Publication 5653, and a strong study holds up. Cost Seg America works only in the two engineering approaches that guide ranks first, and the studies have come through 125-plus audits with zero losses.
How is the sale handled later on?
Any sale interacts with depreciation, studied or not, and your CPA plans for it early. For owners who keep a property for years, front-loading the deductions typically beats the treatment at sale, and a 1031 exchange can defer the rest. It belongs in a planning discussion, not in the reasons-to-wait column.
Is 36% what I would get too?
There is no guarantee. Your share depends on construction, fit-out, and the site around the building, so it swings widely. The only real answer comes from an engineered analysis, and a free proposal will give you the estimate first.
An engineered cost segregation study on a Moultonborough, NH residential rental property reclassified $204,178 (36%) of a $570,500 basis into faster federal depreciation. Engineered, not estimated, by the Cost Seg America team.
Property details
3,320 SF
Building Size