Cost Segregation Under $300k: Worth It in 2026?

A $275,000 short-term rental and a $2.5 million apartment building run on the same depreciation mechanics, but the payout looks different once you strip out the marketing hype and run the actual reclassification numbers on a property under $300,000.

Why this matters

The assumption that cost segregation only pencils out above $500,000 or $1 million comes from an era of 40% and 60% bonus depreciation, when a smaller building value meant a smaller first-year deduction. That assumption is outdated in 2026.

Under the One Big Beautiful Bill Act, bonus depreciation sits at 100% again for property acquired and placed in service after January 19, 2025. That means the entire reclassified amount from a cost segregation study deducts in year one instead of trickling out over five to seven years. On a $300,000 rental, that shift alone can turn a marginal decision into an easy one.

The flat $2,200 fee also matters more than most owners realize. A percentage-based cost segregation provider charging 1% to 1.5% of property value takes a bigger cut on a smaller property, which is exactly backwards from how the math should work. Providers built for small properties under $500,000 price the study the same whether the building is worth $150,000 or $295,000.

How we ranked each scenario

Each scenario below applies a 25% average building value reclassification rate, consistent with typical engineering-based residential study outcomes, against a 37% marginal tax bracket, the bracket most high W-2 earners fall into. The $2,200 flat fee stays constant across every example because that's what a flat-fee model actually means.

Every dollar figure here is an estimate based on aggregated study data, not a guarantee of your specific result. Land value, property condition, and renovation history all move the reclassification percentage up or down. Run a manual estimate on your own numbers before treating any of this as your outcome.

The ranked list: cost segregation under $300k, scenario by scenario

1. Short-term rental in a no-income-tax state, ~$275,000

The highest-ROI case on this list. A $275,000 Airbnb or VRBO property with an 80% building allocation carries roughly $220,000 in depreciable building value. Reclassify 25% and you get $55,000 moved into 5, 7, and 15-year property, all of it eligible for 100% bonus depreciation in 2026.

At a 37% bracket, that's $20,350 in first-year tax savings against a $2,200 fee, a return north of 9x. Pair this with active management and the STR loophole and those losses can offset W-2 income directly instead of sitting stuck as passive losses. Verdict: Buy.

2. Long-term single-family rental, ~$260,000

A $260,000 single-family rental with a $195,000 building value reclassifies roughly $48,750, worth about $18,038 at a 37% bracket. Without real estate professional status or material participation in a short-term rental, those losses are usually passive and carry forward against future rental income or the eventual sale.

Carried-forward losses are still real money, just deferred. Verdict: Buy, with the expectation that some of the benefit lands later rather than immediately.

3. Condo short-term rental, ~$290,000

Condos complicate the land-to-building split because common areas, parking structures, and shared land get allocated differently than a standalone lot. A $290,000 condo often carries a building value closer to 65%, or about $188,500, reclassifying to roughly $47,125 and $17,436 in savings.

That's still a strong outcome, just smaller than a comparable single-family property at the same price point. Verdict: Buy, but confirm the land allocation methodology before ordering.

4. Duplex or triplex, ~$295,000

Multi-unit residential properties spread the fixed $2,200 cost across more depreciable square footage without doubling the price. A $295,000 duplex with a 75% building allocation, about $221,250, reclassifies close to $55,313, worth roughly $20,466 at 37%.

One study covers the whole structure regardless of unit count. Verdict: Buy.

5. Manufactured or mobile home rental, ~$145,000

The wildcard on this list. When the land underneath a manufactured home is leased rather than owned, nearly the entire purchase price becomes depreciable building value. A $145,000 rental with a $130,500 building value reclassifies to about $32,625, saving roughly $12,071 at a 37% bracket against the same $2,200 flat fee.

That's a 5.5x return on a property most people assume is too small to bother with. Verdict: Buy.

6. A property under $100,000 with a thin building value

At the low end, a $95,000 rental with only $60,000 in building value reclassifies to roughly $15,000, worth about $5,550 in tax savings. Against a $2,200 flat fee, that's still a 2.5x return, positive but the thinnest margin on this list.

The math still works, but it's close enough that a manual estimate before ordering matters more here than anywhere else. Verdict: Hold until you've confirmed the specific numbers.

7. A property you plan to sell within 12 months

The one scenario where cost segregation under $300k backfires. A $250,000 rental generating $46,000 in accelerated deductions triggers depreciation recapture at sale, taxed at ordinary rates on the 5, 7, and 15-year assets under §1245 and up to 25% under §1250. Sell within a year and the recapture can erase most of the benefit you just paid to accelerate.

This works fine if you're pairing the sale with a 1031 exchange or holding through the recapture window. Verdict: Skip, unless a 1031 exchange is already part of the plan.

Comparison table

Where to order a study for a property under $300k

Three rules matter more at this price point than at the high end.

• Confirm flat-fee pricing, not a percentage of property value. A percentage fee on a $280,000 property is disproportionately expensive compared to the same fee structure on a $2 million building.
• Confirm the study is engineering-based, not a rule-of-thumb spreadsheet. The IRS Audit Technique Guide favors engineering-based methodology, and low-cost DIY calculators or overseas contractors carry more audit exposure than the fee difference is worth.
• Confirm turnaround and audit support up front. Virtual Cost Segregation delivers a 100+ page report in 3 to 5 business days with audit support included in the $2,200 flat fee, no site visit required.

A cost segregation study is not a CPA filing service. It's a supporting document your CPA implements on your tax return, so loop them in before you order.

FAQ

One last thing

The $2,200 flat fee doesn't move whether the building is worth $95,000 or $295,000, which means the return curve gets steeper as property value rises inside that range, not flatter. Most owners assume the opposite and skip the study on their smaller properties, which is exactly the group leaving the most relative return on the table.

Related guides

• How to calculate cost segregation ROI before ordering a study
• The STR loophole explained for W-2 earners