Understand bonus depreciation under TCJA vs. OBBBA, cost-seg splits, REP status, and unclaimed passive losses—complete with easy math and a tech-couple case study.
1. Depreciation 101 – turning buildings into annual tax shields
Depreciation is a paper expense that lowers taxable income while your cash stays in your pocket.
| Item | Amount |
|---|---|
| Purchase price | $800 000 |
| Land value (25 %) – not depreciable | $200 000 |
| Building basis (75 %) | $600 000 |
| Straight-line deduction | $600 000 ÷ 27.5 yrs = $21 818 / yr |
2. Real-Estate Professional (REP) status – the all-access pass
REP converts passive rental losses into active losses you can apply against W-2 income.
To qualify in a calendar year one spouse must:
- Spend 750 + hours on real-estate activities and
- Spend more hours on real estate than on any other job.
If either spouse qualifies, the entire joint return benefits.
3. Cost Segregation – super-charging depreciation
| MACRS bucket | Typical items | % of building cost (example) |
|---|---|---|
| 5-year | Appliances, carpet, cabinets, décor lighting | 18 % |
| 7-year | Modular partitions, specialty shelving | 2 % |
| 15-year | Asphalt drives, fencing, landscaping | 10 % |
| 27.5-year | Structure, roof, plumbing rough-in | 70 % |
Short-life reallocation → 30 % × $600 000 = $180 000.
4. Bonus Depreciation – what changed?
* Long-production-period property & aircraft get one extra year.
† Applies to assets placed in service Jan 20 2025 – Dec 31 2029.
‡ 0 % after Dec 31 2029 (Dec 31 2030 for long-production assets).
Key takeaway: TCJA phased down after 2022; OBBBA gives a fresh five-year 100 % sprint (2025-2029), then drops straight to zero.
5. Case study – tech couple with two rentals
Players: Husband earns $800 000 W-2 salary. Wife manages rentals full-time and qualifies as a REP (for comparison).
| Detail | Property A | Property B |
|---|---|---|
| Purchase date | 1 Jan 2024 | 1 Aug 2025 |
| Bonus regime | TCJA 60 % | OBBBA 100 % |
| Short-life basis (30 %) | $180 000 | $180 000 |
| Bonus deduction | $108 000 | $180 000 |
| Building basis | $420 000 | $420 000 |
5.1 Depreciation timeline (combined)
| Year | Depreciation |
|---|---|
| 2024 | $133 800 |
| 2025 | $218 900 |
| 2026–2029 (each) | $42 300 |
Assume the rentals are roughly cash-flow break-even before depreciation.
6. Tax-savings power of REP status
(No QBI math here—QBI lives in the FAQ.)
| Year | Depreciation | Tax saved WITH REP (37 %) | Tax saved NO REP * |
|---|---|---|---|
| 2024 | 133 800 | $49 506 | $0 |
| 2025 | 218 900 | $80 993 | $0 |
| 2026 | 42 300 | $15 651 | $0 |
| 2027 | 42 300 | $15 651 | $0 |
| 2028 | 42 300 | $15 651 | $0 |
| 2029 | 42 300 | $15 651 | $0 |
| Total 2024-29 | — | $193 103 | $0 |
*Losses are passive and carry forward for a non-REP.
7. Exit math – selling both properties 30 Sep 2029
| Item | Property A | Property B |
|---|---|---|
| Sale price | $1 300 000 | $1 300 000 |
| Total depreciation taken | ≈ $245 000 | ≈ $241 000 |
| Adjusted basis | ≈ $555 000 | ≈ $559 000 |
| Gain | ≈ $745 000 | ≈ $741 000 |
| Depreciation recapture (25 %) | ≈ $61 000 tax | ≈ $60 000 tax |
| Long-term capital-gain tax (20 %) | on remainder | on remainder |
8. How Suspended Passive Losses Become Gold at Sale (Non-REP Scenario)
Even if you never qualify as a Real-Estate Professional, the passive losses your rentals generate are not lost—they wait on the sidelines as suspended passive activity losses (PALs). Here’s how they rescue you in the year you sell.
8.1 The mechanics under § 469(g)
- Accumulate losses. Each year, depreciation may exceed rental income, creating a passive loss. As a non-REP you generally can’t deduct it now, so it gets “parked” on Schedule E.
- Full disposition. When you sell your entire interest in the passive activity to an unrelated party in a fully taxable deal, § 469(g) springs into action.
- Step 1 – offset the gain from that activity. Suspended PALs first soak up any gain (including depreciation-recapture income) from the property you just sold.
- Step 2 – offset anything else. If PALs exceed the gain, the leftover becomes a non-passive loss you can use against any income—yes, even W-2 wages—in that same tax year.
8.2 Numbers from our case study (non-REP path)
| Item | Amount |
|---|---|
| Suspended losses accumulated 2024-2028 | $510 000 (133,800 + 218,900 + 42,300 × 3) |
| Gain on sale 2029 (both rentals combined) | $1 486 000 |
| PALs applied to offset gain | – $510 000 |
| Net taxable gain after PALs | $976 000 |
The couple still recognizes gain, but $510 000 of it disappears before the IRS can tax it. If the suspended losses had actually exceeded the gain, the excess would have spilled over to offset the husband’s W-2 salary in 2029—something that was forbidden in the prior years.
8.3 Why this matters
- Time value vs. certainty. REP status gives immediate yearly savings; non-REP status defers relief to the end but still delivers a giant one-year write-off.
- Recapture neutralized. Because the entire gain (even the ordinary-income recapture portion) is treated as passive income, PALs can wipe out recapture first—effectively converting what would have been 25 %-taxed income into a zero-tax event.
- Strategic timing. Planning a sale in a high-income year can let excess PALs offset large bonuses, option exercises, or other spikes in W-2 or portfolio income.
Pro tip: Keep a running tally of your suspended PALs and projected gains so you can decide when to dispose for the biggest all-around tax win.
9. Key takeaways for action-oriented investors
- Cost segregation + 100 % bonus depreciation front-load deductions—huge when the REP spouse can offset big W-2 income.
- Precision matters: splitting 18 % / 2 % / 10 % buckets beats one “30 % lump.”
- OBBBA’s 100 % window (2025-29) is a five-year sprint—no gentle glide like TCJA.
- Suspended passive losses aren’t wasted; they can offset gain and even W-2 income in the sale year for non-REPs.
- Track basis and recapture so tax surprises don’t eat your upside.
📚 Frequently Asked Questions (FAQ)
| ❓ Question | 💡 Short answer |
|---|---|
| 1. What is depreciation in one sentence? | Treating part of a building’s cost as an annual expense that lowers taxable income. |
| 2. Does land ever depreciate? | No. Land doesn’t wear out. |
| 3. How do I figure straight-line depreciation? | Building cost ÷ 27.5 years. |
| 4. What is cost segregation? | An engineering study that splits a building into faster-wearing parts for quicker write-offs. |
| 5. What items are in the 5-year bucket? | Appliances, carpet, cabinets, décor lighting. |
| 6. What fits the 7-year bucket? | Modular partitions, specialty shelving. |
| 7. What counts as 15-year land improvements? | Asphalt drives, fencing, landscaping. |
| 8. How much of a building typically moves into short-life buckets? | Often 20-35 % of building cost. |
| 9. What is bonus depreciation? | A rule that lets you expense 100 % of assets ≤ 20-year life in year 1 (when law allows). |
| 10. How do TCJA and OBBBA differ on bonus? | TCJA phases down; OBBBA is flat 100 % (2025-29) then zero. |
| 11. Can I use § 179 with rentals? | Generally no, bonus depreciation is the go-to tool for rentals. |
| 12. What is REP status? | 750 + hrs + more time in real estate than any other job = active loss treatment. |
| 13. Can one spouse qualify as REP for both? | Yes—one spouse’s hours cover the joint return. |
| 14. How big are REP tax savings? | About $193 k over six years in this guide. |
| 15. What happens to unused passive losses if I never become REP? | They suspend, then offset gain at sale; any excess offsets other income that year. |
| 16. What is depreciation recapture? | The IRS taxes prior depreciation when you sell (up to 25 %). |
| 17. Does cost seg increase recapture tax? | Yes, but early deductions usually beat later recapture. |
| 18. How much does a cost-seg study cost? | Roughly $3-10 k for single-family or small multifamily. |
| 19. Will a study trigger an audit? | A quality, IRS-guide-compliant study is audit-defensible. |
| 20. What records should I keep? | Settlement statement, appraisal, cost-seg report, leases, depreciation schedules. |
| 21. What’s QBI? | Qualified Business Income: net profit from a pass-through business. If rentals show positive taxable income, the QBI deduction can knock off up to 20 % of that profit—but it wasn’t triggered in our loss-heavy example. |
| 22. What if I miss the 100 % window? | Depreciation reverts to normal MACRS schedules. |
| 23. What is MACRS? | Modified Accelerated Cost Recovery System, the IRS’s set of depreciation tables. Each asset class (5-year, 7-year, 15-year, 27.5-year) has its own recovery period and percentage schedule under MACRS, dictating how much depreciation you can claim each year. Residential rentals use the 27.5-year straight-line MACRS method unless components are reclassified by cost segregation. |
| 24. Do I need a CPA? | Absolutely, for strategy, compliance, and state nuances. |
Next step – put these rules to work
Book your free strategy session with BricksFolios founders to explore how BricksFolios can help you stack wealth faster through smart, tax-efficient real-estate investing:
→ Book your private strategy session with BricksFolios Founders, Vinod Sharma and Jo Dixit.
Educational content only—consult your CPA or attorney for advice tailored to your situation.
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