The rental property that kept using one slow schedule
Picture a Texas investor who bought a small rental property several years ago. The property has been rented since closing. Each year, the tax return takes the purchase price assigned to the building and spreads it over the standard 27.5-year residential rental schedule.
That approach is common. It also treats the building as one object, even though a building contains components that wear out on very different timelines.
The roof structure may last for decades. Carpet, cabinetry, exterior paving, dedicated electrical, and specialty plumbing can have much shorter useful lives. Cost segregation gives qualifying components a closer look so the owner’s depreciation deductions can follow the rules that apply to each part.
The default depreciation schedule
The IRS generally places a commercial building on a 39-year schedule and a residential rental property on a 27.5-year schedule. Under that default treatment, most of the building basis moves into deductions gradually.
For a property owner, that can leave cash tied up in a deduction that arrives slowly. It can also overlook components that qualify for shorter recovery periods when the property is analyzed in detail.
What a cost segregation study does
A cost segregation study is an engineering-based analysis of the property. It separates qualifying components from the building structure and assigns them to the recovery period required by the tax rules.
Depending on the property, the analysis may examine specialty electrical and plumbing connected to equipment, flooring, carpet, millwork, cabinetry, signage, data and security cabling, paving, parking areas, fencing, landscaping, and exterior lighting.
Components that qualify for shorter lives may move to five-, seven-, or 15-year schedules. The study does not create a deduction that the owner never had. It documents how the existing basis should be classified for federal depreciation purposes.
Why acquisition date matters
The tax act signed in July 2025 made 100% bonus depreciation permanent for qualifying property acquired after January 19, 2025. That can make a current-year cost segregation study more valuable for an eligible acquisition.
When a study moves qualifying property into a recovery period of 20 years or less, the property may be eligible for bonus depreciation under the rules in effect for that property and tax year. The actual result depends on the owner’s facts, the placed-in-service date, the property classification, and other tax rules. A CPA should model the deduction before the return is filed.
The practical benefit is timing. A larger deduction sooner can improve current-year cash flow and give an owner more room to fund an acquisition, renovation, or operating need.
A look-back study can still help
Owners often assume cost segregation only works immediately after a purchase or construction project. A study can also review property that has been in service for years.
For a qualifying look-back study, Form 3115 and a Section 481(a) adjustment can allow the accumulated catch-up deduction on the current return. The owner generally does not need to amend prior returns for this accounting method change, and the method change uses automatic consent when the applicable requirements are met.
That makes an older rental, medical office, restaurant, warehouse, or other income-producing property worth reviewing. The owner should bring the question to a CPA and a cost segregation specialist together so the study and the return use the same facts.
Who should ask about a study
The referral conversation is designed for property owners who can answer yes to the following description: the property is not owner-occupied, it produces income or houses the owner’s business, and the owner has not already taken bonus depreciation on it.
That can include short-term and long-term rentals, multifamily property, medical property, warehouses, restaurants, and bars. A primary residence does not fit this referral path.
If you don’t know whether bonus depreciation has already been used, say so. Uncertainty is a useful reason to ask your CPA to review the prior returns and depreciation schedule. The intake question includes an “I don’t know” answer for that reason.
Federal depreciation and Texas property tax use different rules
A cost segregation study changes the timing and classification of depreciation deductions on a federal income tax return. A Texas county appraisal district determines the assessed value used for local property tax. The two systems have separate authorities, calendars, definitions, and evidence.
A cost segregation study does not lower a Texas assessed value. It does not reduce the owner’s Texas property tax bill.
The separation matters most when a property owner is working with both professionals. Federal tax rules classify components under sections 1245 and 1250. Texas property tax law handles real property and business personal property under its own framework, with business personal property rendered and assessed on a separate track in applicable cases.
For that reason, don’t send a federal cost segregation report to the county appraisal district as property tax protest evidence. The component schedule can create confusion about what belongs in the real property assessment and what belongs on a business personal property rendition. In the wrong situation, the same underlying asset can be exposed to an avoidable double-counting problem.
Keep the depreciation file with the federal tax work. Build the property tax file from evidence intended for the appraisal district, such as the appraisal notice, purchase records, comparable properties, income information, operating expenses, and physical details relevant to value.
What to gather before the first conversation
The initial review is easier when the owner can provide the closing statement, purchase agreement, appraisal, construction cost detail, building plans, and current depreciation schedule. For an operating property, rent records and relevant income and expense information can help explain the asset.
At Orion, I use that information to determine whether a study is worth exploring and what additional records may be needed. A short conversation can also uncover whether a look-back study, a current-year study, or a CPA review should come first.
If the local assessed value also deserves attention, Bezit handles that property-tax conversation in its active Texas markets. The two engagements should remain separate so each professional can work from the right evidence.
A sensible next step
Ask your CPA whether accelerated depreciation could apply to the property. Then request a cost segregation assessment from Orion Cost Segregation Solutions, LLC with the property address, placed-in-service date, property type, and current depreciation information.
If you are referred through Bezit’s intake, answer the owner-occupied question and the bonus depreciation question as accurately as you can. A “No” or an “I don’t know” creates a warm handoff for a conversation about fit.
That handoff is simply an introduction. Bezit and Orion remain separate providers, and the owner decides whether to work with either one after discussing the property and the scope of service.
Request a cost segregation assessment →
About the author
Steven Johnson is an M&A advisor, tax strategist and cost segregation specialist at Orion Cost Segregation Solutions, LLC. He has more than 30 years in banking and finance, has lent over $1 billion, and helps property owners cut taxes through cost segregation.
Steven Johnson
Orion CostSeg
Ph: 512-789-5320
Email: Manager@OrionCostSeg.com
https://orioncostseg.com/