The 15-Year Property Class for Landlords, Explained (2025)

TL;DR: Under MACRS, land improvements like fences, driveways, sidewalks, and outdoor lighting sit in the 15-year property class, depreciated on a 150% declining balance schedule, separate from the residential rental building's 27.5-year straight-line schedule. Since January 19, 2025, many of these 15-year assets qualify for 100% bonus depreciation under the One Big Beautiful Bill Act, meaning a landlord can potentially deduct the full cost in the year the improvement goes into service instead of spreading it across 15 years.

_Last reviewed: August 2026 · 8 min read_

Most landlords know their rental house depreciates over 27.5 years. Fewer know that a chunk of what they've paid for — the driveway, the fence, the parking pad — doesn't belong on that 27.5-year schedule at all. It belongs in a faster bucket called the 15-year property class, and missing that distinction can leave real money on the table at tax time.

Okoniq Property Hub helps landlords log improvement dates, contractor invoices, and costs by category, so this kind of depreciation classification isn't a guessing game when tax season arrives.

What is the 15-year property class under MACRS?

The 15-year property class is one of several depreciation categories the IRS defines under the Modified Accelerated Cost Recovery System (MACRS). It covers "land improvements" — permanent additions to the land around a building that aren't the building itself. Think fences, paved driveways, sidewalks, parking areas, retaining walls, outdoor lighting, and certain landscaping.

These assets are depreciated using the 150% declining balance method, switching to straight-line partway through the recovery period, per IRS Publication 946. That's faster than the straight-line 27.5-year schedule used for the residential rental structure. In practice, this means a $9,000 driveway can generate meaningfully larger deductions in years 1 through 5 than if it were lumped into the building's basis and spread out over nearly three decades.

Larger operators use formal cost segregation studies to split a property's purchase price into these faster classes. But a landlord with one or two rental houses can apply the same logic informally, especially any time they install a new concrete driveway, fence, or drainage system.

Which rental property improvements actually qualify?

Fences, driveways, sidewalks, parking pads, outdoor lighting, retaining walls, and site drainage or irrigation systems generally qualify as 15-year land improvements. So does landscaping that's part of a permanent site plan, like shade trees or foundation shrubs installed with the property, as opposed to seasonal plantings.

What doesn't qualify: the building's roof, siding, HVAC system, plumbing, and other structural components. Those stay on the 27.5-year residential rental schedule because they're part of the dwelling itself, not the land around it. A new roof, for example, is depreciated the same way as the house. The land itself is never depreciable at all, regardless of class, because land doesn't wear out.

Drainage work is a common gray area worth flagging. If you install a French drain or regrade a yard to fix pooling water around the foundation, that cost typically counts as a 15-year land improvement rather than a building repair, since it's improving the site, not the structure.

How does 15-year depreciation compare to the 27.5-year building schedule?

The two schedules differ in speed, method, and what they cover, and mixing them up on a tax return is one of the more common landlord mistakes.

| | 15-Year Land Improvements | 27.5-Year Residential Building | |---|---|---| | Method | 150% declining balance, then straight-line | Straight-line only | | Examples | Fences, driveways, sidewalks, outdoor lighting, drainage | Roof, walls, HVAC, plumbing, foundation | | Bonus depreciation eligible | Yes | No | | Typical year-1 deduction on a $10,000 asset | Roughly $1,500 (150% DB rate) before bonus | About $364 |

The gap in year-one deductions is the whole reason this classification matters. A landlord who lumps a new fence into the building's basis instead of listing it separately is stretching a fast write-off into a nearly 30-year one, for no benefit.

How does bonus depreciation affect a 15-year asset?

Bonus depreciation lets landlords deduct a large percentage, sometimes all, of a qualifying asset's cost in the year it's placed in service, instead of spreading it over the MACRS schedule. Land improvements in the 15-year class are eligible for bonus depreciation. Residential rental buildings, on the 27.5-year schedule, are not.

Under the Tax Cuts and Jobs Act, bonus depreciation had been phasing down: 80% in 2023, 60% in 2024, and 40% scheduled for 2025. The One Big Beautiful Bill Act, signed in 2025, restored 100% bonus depreciation for qualified property placed in service after January 19, 2025. That means a landlord who installs a new fence, driveway, or drainage system before rainy season this year could potentially deduct the entire cost immediately rather than spreading it across 15 years, subject to the usual rules for how the property is used.

Rules like this shift with new legislation, so the exact percentage available in a given year should be confirmed before filing.

How do you document 15-year property for tax time?

Keep the contractor invoice, the date the improvement was placed in service, and a clear note of what it is, since the IRS wants to see that separation between land improvements and the building itself. This paperwork gets reported on Form 4562 when you file.

A simple habit that pays off: every time you pay for exterior work, whether it's a fence repair, a resurfaced parking pad, or masonry work before winter, log the cost, the date, and a one-line description of what it was. When your CPA asks for a breakdown at tax time, you'll have it instead of reconstructing it from old bank statements.

FAQ

Does a new roof qualify for the 15-year property class?

No. A roof is a structural component of the building and depreciates over 27.5 years for residential rental property, the same as the walls or foundation.

Can I depreciate landscaping on a rental property?

Yes, permanent landscaping like foundation shrubs, shade trees, and hardscaping installed as part of the site plan generally qualifies as a 15-year land improvement, distinct from seasonal plantings.

What tax form reports 15-year property depreciation?

Form 4562, Depreciation and Amortization, is where landlords report both the 27.5-year building depreciation and any separately classified 15-year land improvements.

Is a fence around a rental property a 15-year or 27.5-year asset?

A fence is a land improvement and falls into the 15-year property class, separate from the rental building's 27.5-year schedule.

Does bonus depreciation apply to a driveway I paved in 2024 versus 2025?

It can, but the percentage differs by year. Under prior law, 2024 bonus depreciation was capped at 60%, while property placed in service after January 19, 2025 can qualify for 100% under the One Big Beautiful Bill Act, so the exact number depends on the placed-in-service date.

This is educational information, not tax advice. Talk to a CPA about how your specific rental property improvements should be classified and depreciated.