Expert insights, guides, and strategies for rental property investors looking to maximize tax savings through cost segregation.
Organize a furnished purchase, condo, renovation, or portfolio before comparing study proposals.
Start with comparing providers, preparing records, or your property market.
Build a usable acquisition file for a furnished vacation rental by reconciling seller inventory, closing documents, and replacement purchases.
Turn bundled vacation-rental renovation invoices into a clearer study file with component descriptions, work locations, and a payment reconciliation.
Define a vacation-rental condo study using ownership documents, unit inventories, association records, and a clear boundary around common amenities.
Organize acquisition, rental availability, later improvements, and replaced assets when a vacation rental opens or renovates in stages.
Prepare multiple vacation rentals for cost segregation with property identifiers, purchase reconciliations, furniture-transfer records, and a consistent CPA handoff.
Collect the inventory, vendor records, property timeline, and capital-charge detail a cost segregation provider and CPA need from an STR manager.
Compare STR study scope, records, fees, support, and CPA coordination before choosing a cost segregation company for your Airbnb or vacation rental.
Prepare acquisition, furnishing, renovation, and rental-use records for a short-term rental cost segregation study and a smoother CPA handoff.
Use a consistent proposal checklist to compare STR cost segregation fees, study methods, furnishing treatment, deliverables, and follow-up support.
Learn how cost segregation applies to bank branches and credit union facilities, including teller systems, vault support, drive-through improvements, and site work.
A practical guide to cost segregation for grocery stores and supermarkets, from refrigeration support and specialty electrical work to parking and customer fixtures.
Explore cost segregation for shopping centers and strip malls, including tenant buildouts, common-area improvements, parking lots, signage, and acquisition records.
Understand cost segregation for mixed-use buildings with residential, retail, office, hospitality, or parking components under one ownership structure.
Learn how cost segregation studies address production facilities, tasting rooms, utility infrastructure, storage areas, and site improvements for beverage businesses.
Review cost segregation opportunities for golf courses and country clubs, including clubhouse assets, irrigation, cart paths, landscaping, and recreational amenities.
A guide to cost segregation for marinas, dry-stack boat storage, docks, utility pedestals, fuel systems, paving, and waterfront support facilities.
Understand cost segregation for data centers, including redundant electrical capacity, cooling infrastructure, security, raised floors, and tenant-owned equipment.
Explore cost segregation for research laboratories, including casework, process utilities, equipment power, specialty ventilation, controls, and flexible lab buildouts.
Learn how cost segregation applies to airplane hangars, fixed-base operators, maintenance facilities, aprons, fueling systems, and aviation support areas.
Review cost segregation for movie theaters and entertainment venues, including seating, projection support, acoustic finishes, concessions, signage, and parking.
A cost segregation guide for laundromats covering machine connections, utility distribution, payment systems, customer fixtures, leasehold improvements, and site work.
Learn how cost segregation can apply to funeral homes, viewing rooms, preparation areas, specialized equipment support, decorative interiors, and parking improvements.
Understand cost segregation for refrigerated warehouses and cold storage facilities, including insulated enclosures, refrigeration support, racking, docks, and paving.
A practical guide to cost segregation for leasehold and tenant improvements, including tax ownership, qualified improvement property, abandoned assets, and documentation.
The Section 30C EV charger credit expired June 30, 2026. Here is how rental property investors should now depreciate charging equipment and where cost segregation still helps.
A parking garage can be a 39-year building or a 15-year land improvement depending on its design, and the IRS has penalized taxpayers who got it wrong. Here is how to classify parking structures correctly in a cost segregation study.
Adding solar to a rental property triggers two overlapping tax benefits, the Section 48E investment tax credit and bonus depreciation on the equipment. Here is how the basis math actually works, and why the OBBBA construction deadline matters now.
Build-to-rent communities are not just a pile of single-family rentals. Common area land improvements, clubhouses, and phased placed-in-service dates change how a cost segregation study should be built and what it can recover.
AmeriSouth XXXII, Ltd. v. Commissioner is the case every cost segregation provider should be able to explain. Here is what the Tax Court disallowed, the six-factor test it applied, and what it means for your study now that bonus depreciation is permanent.
Fire, flood, or wind damage does not erase the reclassified basis from a cost segregation study, it triggers a partial asset disposition and possibly a taxable casualty gain. Here is how the math actually works.
Review construction timing and eligibility for section 179D separately from cost segregation and bonus depreciation.
IRS Notice 2026-16 explains the new Section 168(n) qualified production property deduction. Most rental property landlords cannot claim it because of the original use rule. Here is who actually qualifies and how it interacts with a cost segregation study.
You cleared material participation, your cost segregation loss is non-passive, and then Section 461(l) caps it anyway. For 2026 the threshold drops to $256,000 single and $512,000 joint. Here is how the limit works and how to plan around it.
The IRS is letting real estate owners withdraw a previously irrevocable Section 163(j) electing real property trade or business election made in 2022, 2023, or 2024. Doing so restores MACRS and 100% bonus depreciation. The deadline is October 15, 2026, or sooner.
Understand the comparative 100-hour material participation test and organize actual participation records for your tax preparer.
Land is not depreciable, so every dollar allocated to it is a dollar you cannot deduct. Here is how land value is determined, why the assessor ratio is a weak method, and what defensible allocation looks like.
House hackers can run a cost segregation study, but only on the rental portion. Here is how allocation works, what the personal-use rules do to your deduction, and when the study is worth it.
Buy too much personal property in the fourth quarter and MACRS switches from the half-year convention to mid-quarter, changing your first-year deduction. Here is how the 40 percent test works.
The IRS publishes the guide its examiners use to review cost segregation studies, including the 13 principal elements of a quality study. Here is what it says and how to use it.
Furnishing a short-term rental creates 5-year and 7-year property that is fully deductible in year one. Here is what qualifies, how it interacts with a cost segregation study, and what owners miss.
A cost segregation study in an LLC or partnership creates a large deduction that has to be allocated among partners. Here is how substantial economic effect, capital accounts, and basis limits govern who gets it.
Rental income is generally subject to the 3.8 percent NIIT. A cost segregation deduction can reduce it, but only if the income is included in net investment income in the first place. Here is how the interaction works.
The de minimis safe harbor expenses small purchases. Cost segregation reclassifies acquisition basis. They are complementary, not alternatives, and using only one leaves deductions behind.
Selling shortly after accelerating depreciation triggers recapture at ordinary rates on 1245 property. Here is how to model whether a short-hold study still comes out ahead.
A quality engineering-based study takes three to six weeks from engagement to final report. Here is what happens in each phase and what causes delays.
Condo owners can run a cost segregation study, but the analysis has to account for what the unit deed actually conveys and how common elements are treated. Here is how it works.
Agricultural property contains an unusually high share of short-life assets: single purpose structures, drainage tile, fencing, grain handling, and irrigation. Here is how a study treats them.
Switching from nightly to annual leases changes the recovery period, the passive activity treatment, and what happens to losses you already claimed. Here is the full picture.
Refinancing does not change your depreciable basis, but it changes at-risk amounts, interest deductibility, and the tracing of loan proceeds. Here is what a cash-out does and does not do.
Apartment buildings typically reclassify 20 to 30 percent of depreciable basis through cost segregation. Learn which multifamily components qualify and what a 48-unit property yields in year one.
Retail properties reclassify 20 to 35 percent of basis through cost segregation, driven by parking, site work, and tenant improvements. See what qualifies and how a $3.5M strip center performs.
Office buildings reclassify 15 to 28 percent of depreciable basis through cost segregation. Learn which components qualify, how QIP applies to tenant buildouts, and what a $5M office asset yields.
Medical office buildings reclassify 25 to 35 percent of basis thanks to medical gas, lead shielding, and dedicated electrical. See what qualifies and what a $4M MOB yields in year one.
Restaurants are among the strongest cost segregation candidates, with 30 to 40 percent of basis reclassifying into 5-year and 15-year property. See what qualifies and what a $2.2M build yields.
Hotels reclassify 25 to 40 percent of depreciable basis through cost segregation, driven by FF&E and guest room finishes. Learn what qualifies and what a $12M select-service hotel yields.
Car washes reclassify 40 to 60 percent of depreciable basis through cost segregation, driven by wash equipment, water reclamation, and site work. See what qualifies and what a $4M express tunnel yields.
Gas stations can depreciate the entire building over 15 years under the retail motor fuels outlet rule. Learn the three-part test, what else reclassifies, and what a $3M site yields in year one.
Self-storage expansions and climate-controlled conversions carry different cost segregation profiles than a stabilized acquisition. Learn how to treat new phases, conversions, and demolished components.
Assisted living facilities reclassify 25 to 35 percent of basis through cost segregation. Learn the 27.5 vs 39-year classification question, what qualifies, and what a $9M facility yields.
Dental offices reclassify 30 to 40 percent of buildout cost through cost segregation, driven by operatory plumbing, vacuum, and compressed air. See what qualifies and what a $1.5M buildout yields.
Veterinary clinics reclassify 30 to 40 percent of basis through cost segregation, driven by surgical suites, kennels, and specialty drainage. See what qualifies and what a $2M animal hospital yields.
Gyms and fitness centers reclassify 30 to 45 percent of buildout cost through cost segregation. Learn what qualifies, how equipment and specialty flooring are treated, and what a $2.5M club yields.
RV parks and campgrounds reclassify 50 to 70 percent of basis through cost segregation because most of the asset is 15-year land improvements. See what qualifies and what a $3M park yields.
Student housing reclassifies 25 to 35 percent of basis through cost segregation, driven by furniture packages and amenity space. See what qualifies and what a $15M purpose-built property yields.
Auto dealerships reclassify 30 to 45 percent of basis through cost segregation, driven by service equipment, paving, and display lighting. See what qualifies and what an $8M dealership yields.
Manufacturing facilities reclassify 25 to 40 percent of basis through cost segregation by separating process infrastructure from building systems. See what qualifies and what a $10M plant yields.
Daycare centers reclassify 30 to 40 percent of basis through cost segregation, driven by playgrounds, specialty plumbing, and classroom buildout. See what qualifies and what a $2.4M center yields.
The One Big Beautiful Bill Act restored 100 percent bonus depreciation permanently. Learn what that means for cost segregation, the acquisition date test, and how to plan around it in 2026.
A practical guide to how IRC Section 168 and MACRS assign recovery periods, why buildings land at 27.5 or 39 years, and how cost segregation reclassifies components under the same statute.
A component-by-component look at what lands in the 5-year, 7-year, and 15-year MACRS classes in a cost segregation study, and the reasoning behind each classification.
A look-back cost segregation study recovers missed depreciation through a Section 481(a) adjustment on Form 3115. Learn how the catch-up is computed, why no amended returns are needed, and the timing rules.
A large cost segregation deduction is worthless if IRC Section 469 suspends it. Learn how the passive activity rules work, the four exceptions, and how to plan a study around them.
Long-term residential rentals reclassify 20 to 30 percent of basis through cost segregation on a 27.5-year schedule. Learn what qualifies, the passive loss constraint, and when a study makes sense.
A practical walkthrough of how a cost segregation study actually works, from basis determination through engineering analysis, classification, reporting, and filing.
QIP is interior nonstructural improvement to nonresidential buildings, recovered over 15 years and bonus eligible. Learn the definition, the exclusions, and why landlords routinely misclassify it.
Land improvements are 15-year property under IRC Section 168(e)(3)(E) and fully bonus eligible. Learn what qualifies, how they differ from non-depreciable land, and why they often exceed 5-year property.
Syndications routinely run cost segregation studies, producing large first-year losses on LP K-1s. Learn how those losses are allocated, why they are usually passive, and what actually happens at exit.
Triple-net lease properties are strong cost segregation candidates, with 15 to 25 percent reclassification rates driven by site improvements, building shell components, and exterior infrastructure. Learn how NNN investors can accelerate depreciation with 100% bonus depreciation.
Accessory dwelling units reclassify 18 to 28 percent of construction cost through cost segregation, generating $30,000 to $90,000 in first-year deductions. Learn what qualifies, how detached and attached ADUs are treated differently, and how to make the math work.
Industrial and warehouse properties generate 15 to 25 percent reclassification rates through cost segregation, driven by site improvements, loading dock equipment, and specialty electrical. Learn what qualifies and how much you can accelerate in Year 1.
A practical, section-by-section guide to understanding your cost segregation report, from the executive summary and reclassification table to the component inventory, depreciation schedules, and audit documentation.
Mobile home parks routinely reclassify 40 to 60 percent of their depreciable basis through cost segregation. Learn which assets qualify, how utility pedestals and pad infrastructure are treated, and how much first-year depreciation a typical MHP acquisition can generate.
Coordinate property studies with fund structure, investor records, and adviser review. Opportunity-zone location alone does not establish investor tax benefits.
Learn how Real Estate Professional Status (REPS) under IRC 469(c)(7) unlocks unlimited rental losses from cost segregation, and how to qualify, document your hours, and avoid common audit traps.
Self-storage facilities are among the best candidates for cost segregation. Learn how roll-up doors, security systems, paving, and climate control unlock accelerated depreciation.
The Section 199A QBI deduction is now permanent under the OBBBA. Learn how cost segregation interacts with the 20% deduction for rental property investors, including the safe harbor rules and the depreciation trade-off.
Federal bonus depreciation is now permanent at 100%, but many states don't follow federal rules. Learn which states decouple from bonus depreciation and how to plan your cost segregation strategy accordingly.
Most rental property investors can't use Section 179 the way they think. Learn why cost segregation and bonus depreciation are the right tools for residential landlords, and when Section 179 does apply.
When you inherit a rental property, the stepped-up basis resets your tax position entirely. Learn how cost segregation on inherited property can generate massive first-year deductions.
Plan for a property sale using asset-level basis, depreciation, and sale allocations. Recapture is not one flat rate applied to every component.
Organize component contracts, installation dates, and cost support before asking your preparer about construction-related bonus depreciation elections.
Prepare acquisition dates, component records, and election history for a tax-preparer review of IRS Notice 2026-11.
New to rental property investing? Learn how cost segregation can give first-time landlords a significant tax advantage from day one.
Discover how cost segregation studies help real estate investors build wealth faster by maximizing tax savings and improving cash flow.
Compare cost segregation with standard straight-line depreciation to understand which approach maximizes tax savings for rental property investors.
Explore the key tax benefits available to short-term rental investors in 2026, including the STR loophole, cost segregation, and bonus depreciation strategies.
Learn the tax strategies that allow rental property investors to use depreciation losses to offset W-2 and active income, including the real estate professional and STR exceptions.
Find out how single-family rental investors benefit from cost segregation studies, what components get reclassified, and how much you could save.
Learn how cost segregation studies work for duplexes, triplexes, fourplexes, and larger multifamily properties, and how much you could save in taxes.
Discover how vacation rental owners use cost segregation to maximize tax deductions, improve cash flow, and take advantage of the STR tax strategy.
Understand whether cost segregation applies to Airbnb arbitrage operators, what qualifies, and alternative tax strategies for arbitrage models.
Learn why newly built properties are ideal candidates for cost segregation and how to maximize tax benefits when building from the ground up.
A detailed breakdown of the building components that are reclassified from 27.5 or 39 year property into 5, 7, and 15 year categories in a cost segregation study.
Understand why an older rental’s acquisition and service dates matter when a new cost segregation study revisits its depreciation history.
Learn how cost segregation and 1031 exchanges complement each other to maximize tax deferral and accelerate wealth building in real estate.
Learn how partial asset disposition works with cost segregation to let you claim a tax loss when you replace or renovate building components.
You do not have to be a new buyer to benefit from cost segregation. Learn how a look-back study lets you claim years of missed depreciation in a single tax year.
Compare DIY and software-based cost segregation approaches with professional engineering studies and understand why quality matters for IRS compliance.
Analyze the return on investment of a cost segregation study, including typical tax savings, break-even points, and how to evaluate whether it makes sense for your property.
Learn about the most common mistakes investors and CPAs make with cost segregation and how to ensure your study delivers maximum, documented results.
Cost segregation is not right for every property. Learn the five scenarios where the strategy may not deliver enough value to justify the investment.
Many investors assume cost segregation only works for expensive properties. Learn why properties under $500,000 can still generate significant tax savings.
Learn what cost segregation is, how it works, and why rental property investors use it to accelerate depreciation deductions and reduce taxes.
Discover how Airbnb and short-term rental investors use cost segregation studies to unlock massive first-year tax deductions.
Understand the differences between residential and commercial cost segregation studies, including depreciation periods and eligible components.
A transparent breakdown of cost segregation study pricing, what affects the cost, and how to evaluate the return on investment.
Not sure if cost segregation is right for your rental? Here are five clear indicators that you are leaving money on the table.
An in-depth look at the short-term rental tax strategy and how cost segregation plays a central role in reducing taxable income.
Review current bonus depreciation rules, property dates, study classifications, and owner-level limitations before relying on a rental-property deduction.
Compare cost segregation companies by study evidence, fees, qualifications, and CPA support. Use Stratum’s buyer checklist and provider comparison worksheet.
A hypothetical Gatlinburg vacation-rental example showing how basis assumptions and component classifications can affect depreciation timing.
Learn how to use IRS Form 3115 to retroactively apply cost segregation and claim years of missed accelerated depreciation.