Most California business owners walk away from a major equipment purchase feeling good. They dropped $120,000 on machinery, they know depreciation is a write-off, and they assume their accountant handled it. What they do not know is that the federal rules and California rules on MACRS depreciation limits 2024 California diverge sharply — and that gap is quietly costing business owners anywhere from $12,000 to $28,000 in missed or delayed deductions every single year.

This is not a technicality. California does not conform to federal MACRS bonus depreciation rules under IRC Section 168(k). That means while the IRS lets you accelerate a massive portion of your deduction in year one, the California Franchise Tax Board forces you to spread it out over years. Two sets of books. Two different tax bills. And if your CPA is not tracking both sides with precision, you are either overpaying the state, triggering an FTB audit, or both.

Here is what you actually need to know.

Quick Answer: What Are the MACRS Depreciation Limits in 2024 for California Businesses?

For the 2024 tax year, the federal MACRS bonus depreciation rate under IRC Section 168(k) is 60% for qualifying property placed in service. That means if you bought $100,000 worth of equipment, you can deduct $60,000 in year one on your federal return. California, however, does not conform to this federal bonus depreciation provision. The FTB requires California businesses to depreciate most assets using the standard MACRS schedule — 5-year, 7-year, or 15-year depending on property class — without any accelerated first-year bonus.

This creates a structural gap between your federal taxable income and your California taxable income. Every California business owner purchasing equipment, vehicles, or qualifying property needs a dual depreciation schedule. One for the IRS. One for the FTB. Failing to maintain both is not just sloppy accounting — it is a direct path to penalties, back taxes, and underpayment interest.

How MACRS Depreciation Actually Works (Federal vs. California)

The Modified Accelerated Cost Recovery System, better known as MACRS, is the IRS framework for depreciating business property. Under MACRS, different asset classes have prescribed recovery periods and declining-balance methods. The system is designed to let you recover the cost of business property over time, offsetting taxable income each year the asset is in service.

Here is how the federal system breaks down for common asset classes:

• 5-Year Property: Computers, vehicles, office equipment — standard 200% declining balance
• 7-Year Property: Office furniture, most machinery and equipment — standard 200% declining balance
• 15-Year Property: Land improvements, fencing, parking lots — 150% declining balance
• 27.5-Year Property: Residential rental property — straight-line
• 39-Year Property: Commercial real estate — straight-line

Federal bonus depreciation under Section 168(k) sits on top of this system. For 2024, it allows you to immediately deduct 60% of the cost basis before the regular MACRS schedule even starts on the remaining 40%.

California’s Non-Conformity Creates the “Dual-Track” Problem

California has not followed federal bonus depreciation since it was first enacted. The FTB requires depreciation under the pre-bonus, standard MACRS schedule. That means a $100,000 piece of 7-year equipment is depreciated at roughly 14.3% in year one on your California return — a $14,300 deduction — versus a $60,000 deduction federally.

The difference: $45,700 in year-one deductions that exist on your federal return but not on your California return. At California’s top corporate rate of 8.84% or the personal income rate of up to 13.3%, that gap costs you real money in state taxes owed right now, not later.

Many business owners who buy equipment in Q4 expecting massive write-offs get a rude surprise when their California return lands a five-figure bill they never budgeted for.

KDA Case Study: Fresno Manufacturing Company Discovers a $26,400 California Tax Gap

A Fresno-based metal fabrication company purchased $180,000 in new CNC equipment and welding machinery in late 2024. The owner had been told by a general bookkeeper that the equipment purchase would “cover most of his taxes.” On the federal return, the 60% bonus depreciation gave the company a $108,000 first-year deduction — exactly as expected.

What the bookkeeper missed entirely was the California side. The FTB required the full $180,000 to be depreciated under standard 7-year MACRS — producing only a $25,740 California deduction in year one. The company had effectively reported $82,260 more in California taxable income than federal taxable income, with no corresponding California write-off to balance it.

When the owner came to KDA, our team rebuilt both depreciation schedules from scratch, identified the California add-back amounts, and restructured the remaining equipment purchases for the 2025 tax year using Section 179 — which California does conform to, with its own lower limits. The result was a $26,400 reduction in California taxes owed across 2024 and 2025 combined, plus a clean FTB compliance posture going forward.

The company had paid $7,500 for KDA’s strategic engagement. First-year ROI: 3.5x.

Ready to see how we can help you? Explore more success stories on our case studies page to discover proven strategies that have saved our clients thousands in taxes.

Section 179 vs. Bonus Depreciation in California: What Actually Works

Here is the key strategic distinction that most California business owners do not know: California does conform to Section 179 expensing — but with lower limits than the federal version.

Federal Section 179 Limits (2024)

• Federal Section 179 deduction limit: $1,220,000
• Phase-out threshold: $3,050,000 in total equipment placed in service
• Applies to most tangible personal property used in business

California Section 179 Limits (2024)

• California Section 179 deduction limit: $25,000
• Phase-out threshold: $200,000 in total equipment placed in service
• California does not allow Section 179 for off-the-shelf software or certain listed property

The gap is enormous. California’s $25,000 Section 179 cap means most businesses exhaust this benefit almost immediately. After the California 179 limit, you fall back onto the standard MACRS schedule for state purposes — no shortcuts, no acceleration.

Strategy: Stack Federal Bonus with California MACRS

The practical approach for California business owners is to use federal bonus depreciation aggressively to reduce federal taxable income, while planning for the California timing difference as a cash flow event — not a tax surprise. This means:

1. Booking the federal 60% bonus depreciation deduction in year one
2. Tracking the California add-back on Form 3885 (for corporations) or Form 3885F (for fiduciaries)
3. Calculating the California MACRS schedule separately and booking the state-level deductions correctly over the asset’s recovery period
4. Using the California Section 179 limit ($25,000) strategically for assets most likely to be disposed of early
5. Adjusting quarterly estimated California tax payments to reflect the higher California taxable income

Our tax planning services include dual-schedule depreciation modeling for California businesses — so your federal and state returns are never out of sync.

The MACRS Add-Back Trap: What the FTB Is Looking For

When your federal return reflects bonus depreciation and your California return does not, California requires you to “add back” the difference. This add-back is reported on your California return and increases your California taxable income for the year the federal deduction was taken. Then, in future years, California allows you to claim the depreciation as it runs through the standard MACRS schedule — creating a deferred deduction pattern.

Red Flag Alert: The most common audit trigger here is failing to track the add-back across years. If you take the federal deduction in 2024, add it back on your California return, but then fail to correctly claim the California MACRS deduction in 2025, 2026, and beyond, you are both over-paying California taxes in future years and creating a records discrepancy the FTB can flag.

How the FTB Catches This

California’s FTB cross-references federal and state depreciation totals during standard audits. If your total California depreciation claimed over the life of an asset does not equal your total federal depreciation (adjusted for the add-back), that discrepancy triggers a notice. The FTB also looks for Schedule CA adjustments that are inconsistent from year to year — particularly for businesses that changed accountants or had turnover in their bookkeeping staff.

According to FTB Form 3885 instructions, California corporations must maintain a separate California depreciation schedule for any property subject to federal bonus depreciation. This is not optional guidance — it is a mandatory reconciliation requirement.

Listed Property and Luxury Auto Limits: A Separate MACRS Trap

MACRS depreciation limits for vehicles and listed property (property that can be used for both business and personal purposes) have their own caps. For 2024, the IRS luxury auto depreciation limits under IRS Publication 946 are:

• Year 1: $12,400 (without bonus) or $20,400 (with bonus)
• Year 2: $19,800
• Year 3: $11,900
• Year 4 and beyond: $7,160 per year

California follows the federal luxury auto caps for state purposes but does not allow the additional bonus depreciation amount. So your California year-one vehicle deduction is capped at $12,400 — not $20,400 — regardless of what your federal return shows.

Want to see how your overall business income and equipment purchases affect your total tax liability? Run the numbers through this small business tax calculator to get a baseline estimate before your next strategy session.

The 2024 Bonus Depreciation Phase-Down: What Comes Next

Federal bonus depreciation under Section 168(k) is not permanent. It has been phasing down since 2023 and will continue declining unless Congress acts. The current schedule:

• 2023: 80% bonus depreciation
• 2024: 60% bonus depreciation
• 2025: 40% bonus depreciation
• 2026: 20% bonus depreciation
• 2027 and beyond: 0% (unless extended by legislation)

This phase-down means that the federal-California gap is also shrinking over time. A business that purchased equipment in 2023 faced a 80% versus 0% gap. By 2026, that gap narrows to 20% versus 0% — still meaningful, but less dramatic than in prior years.

Why the Phase-Down Does Not Mean You Stop Planning

Even as bonus depreciation declines, the planning work does not get simpler. You still have:

• Existing assets from 2023 and 2024 with federal add-backs running through your California returns for years
• The California Section 179 cap at $25,000 — unchanged and still far below the federal limit
• The standard MACRS timing differences that affect cash flow even without bonus depreciation
• California’s unique treatment of certain special depreciation allowances for enterprise zone property and other state-specific categories

Businesses that bought equipment heavily between 2021 and 2024 have depreciation add-back trackers that will affect California returns through 2030 and beyond. Proper documentation and consistent tracking is not optional — it is the foundation of a clean FTB record.

For a broader look at how depreciation fits into your overall California tax strategy, see our California Business Owner Tax Strategy Hub, which covers entity structure, quarterly payments, and multi-year planning in one place.

Who Gets Hurt Most by the California MACRS Trap

Not every business feels the California-federal MACRS divergence equally. The impact depends heavily on asset intensity, profit margin, and how aggressive the federal strategy is. Here is who gets hit hardest:

Construction and Trades Companies

A general contractor purchasing $250,000 in equipment in 2024 would claim a $150,000 federal bonus deduction and a roughly $35,750 California MACRS deduction in year one. The $114,250 California add-back — at a 13.3% effective state rate for pass-through income — represents a $15,195 unexpected California tax bill. Most contractors budget for the federal savings, not the state divergence.

Medical Practices and Dental Offices

A dental practice purchasing $80,000 in dental equipment and imaging technology would see a $48,000 federal deduction versus an $11,440 California deduction. At California’s top pass-through rate, that gap creates roughly $4,800 in additional state taxes that most practice owners did not plan for.

Tech and Manufacturing S Corps

An S Corp with $500,000 in equipment placements in 2024 is managing a $186,000+ California add-back over the next five to seven years. Without a proper schedule, shareholders can expect annual surprises on their K-1 income and estimated tax calculations that do not match what they expect.

Common Mistakes That Trigger FTB Penalties on MACRS Returns

Pro Tip: The most common California MACRS error is not the add-back itself — it is failing to reverse it correctly in subsequent years. Year-one add-backs must create corresponding California MACRS deductions in years two through the end of the recovery period. If those future deductions are missed, you are paying California taxes on income you already added back — a double hit.

Mistake 1: Treating California and Federal Returns as Identical

Some preparers use federal depreciation schedules for both returns, assuming conformity. California’s non-conformity has been in place for decades. Any preparer treating the returns identically on depreciation is making a material error that can cost you thousands annually.

Mistake 2: Not Filing Schedule CA Adjustments

California individual returns require a Schedule CA adjustment to account for the federal-state depreciation difference. Many self-prepared returns and even some professional returns skip this adjustment, leaving the FTB with an incomplete picture that flags for review.

Mistake 3: Failing to Update After Asset Disposals

When you sell or dispose of a business asset, both the federal and California depreciation schedules need to be closed out. The gain or loss calculation differs between federal and state because the basis adjustments have been different. Failing to reconcile these on disposal creates both under-reporting and over-reporting risks depending on the asset’s history.

Mistake 4: Applying Bonus Depreciation to Non-Qualifying Property

Federal bonus depreciation requires that property be original-use property or certain used property meeting specific acquisition requirements. Property purchased between related parties, assets used outside the U.S., or property subject to alternative depreciation system (ADS) elections does not qualify. Applying bonus depreciation to ineligible assets is an error that survives into the California add-back calculation and compounds the problem.

How to Build a Compliant California MACRS Depreciation System

Running a clean depreciation system for California requires more than a single spreadsheet. Here is the practical framework KDA uses for California business clients:

1. Asset Register with Dual Columns: Maintain a master asset register that tracks federal basis, federal accumulated depreciation, California basis, and California accumulated depreciation separately for every asset.
2. Form 4562 and FTB Form 3885 Alignment: Federal Form 4562 handles MACRS elections and bonus depreciation. California Form 3885 handles the state version. Both must be filed and reconciled annually.
3. Quarterly Estimated Tax Adjustments: Because California taxable income differs from federal in years with large equipment purchases, quarterly estimated payments to the FTB should be calculated on California-specific income — not simply pulled from federal estimates.
4. Depreciation Software with State Modules: Quality tax software includes separate state depreciation modules. If your preparer is using software without a California-specific depreciation module, the risk of error is significantly elevated.
5. Annual Reconciliation Review: At year-end, reconcile the cumulative federal versus California depreciation for every active asset. Flag any discrepancies before returns are filed.

Frequently Asked Questions About MACRS Depreciation Limits in California

Does California follow the 60% bonus depreciation rate for 2024?

No. California does not conform to federal bonus depreciation under IRC Section 168(k). For the 2024 tax year, California requires standard MACRS depreciation for most property, with no first-year bonus percentage applied.

What is California’s Section 179 deduction limit for 2024?

California’s Section 179 deduction limit for 2024 is $25,000, with a phase-out beginning at $200,000 in total property placed in service. This is significantly lower than the federal $1,220,000 limit.

Do I need to file a separate depreciation form for California?

Yes. California corporations must file FTB Form 3885 to report California depreciation. Individual business owners (S Corp shareholders, partners, sole proprietors) report California depreciation adjustments through Schedule CA on Form 540.

If I already claimed bonus depreciation on my federal return, can I amend my California return?

If you failed to properly account for the California add-back in a prior year, you may be able to file an amended California return to correct the error. Consult a California tax professional before amending, as the correction affects multiple years and can create both refunds and additional liabilities depending on timing.

Will Congress extend or restore 100% bonus depreciation?

As of the date of this article, bonus depreciation continues to phase down under current law. Legislative proposals to restore 100% bonus depreciation have been introduced but have not been enacted. California’s non-conformity would likely continue even if federal rates change.

This information is current as of 3/4/2026. Tax laws change frequently. Verify updates with the IRS or FTB if reading this later.

Book Your California Depreciation Strategy Session

If your business purchased equipment in 2023 or 2024 and you have not run a dual-track federal-California depreciation reconciliation, you are likely carrying an FTB liability you do not know about — or leaving future California deductions unclaimed. Our team at KDA builds compliant, optimized depreciation schedules for California business owners that eliminate the guesswork, reduce your state tax exposure, and position you for accurate quarterly estimates going forward. Click here to book your consultation now.