Cost Segregation in San Francisco: $175,500 in Accelerated Depreciation

San Francisco's high property values and dense multifamily stock create large accelerated depreciation opportunities — but California's decoupling from bonus depreciation is a critical planning factor.

$175,500 Accelerated Depreciation

$64,935 Est. Year-1 Tax Savings

47x Return on Study Cost

See Your San Francisco Tax Savings

Property Type

Purchase Price

$64,935

Estimated Year-1 Federal Tax Savings

$175,500

Accelerated Deductions

$1,395

Study Cost

47x

ROI on Study

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Federal savings only — CA does not conform to bonus depreciation. Details

MACRS Depreciation Breakdown

Accelerated Depreciation by MACRS Class

$175,500 total reclassified into shorter recovery periods

5-Year Property $107,250

61%

7-Year Property $14,625

8.3%

15-Year Property $53,625

30.6%

Estimated Year-1 Federal Tax Savings $64,935

Federal savings only. California does not conform to bonus depreciation — state depreciation follows standard MACRS schedules.

Method

Year-1 Federal Deduction

Difference

Standard (39yr straight-line)

$25,000

—

With Cost Segregation + Bonus

$175,500

+$150,500

Estimated deduction based on typical cost segregation allocations for San Francisco multifamily properties. Year-1 savings reflect federal tax only (37% rate). California uses standard MACRS schedules — no bonus depreciation at state level. Actual study results may vary based on property-specific analysis including age, condition, renovations, and local construction costs.

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Cost Segregation for San Francisco Multifamily Investors

$1.5M San Francisco Victorian multifamily — cost segregation depreciation example

Top Neighborhoods

Mission, SOMA, Noe Valley, Sunset

Typical Year-1 Federal Savings

$40,000–$110,000

San Francisco is one of the most expensive real estate markets in the country, and that high basis creates significant cost segregation opportunities for multifamily investors. A $1.5M Victorian multi-unit in the Mission, a renovated building in SOMA, or a legacy property in the Sunset — each contains components that can be reclassified from the default 39-year commercial schedule into 5, 7, and 15-year MACRS classes. For a $1.5M multifamily property with 35% allocated to land, the depreciable basis of $975,000 yields roughly $175,500 in accelerated depreciation.

The critical planning factor for California investors: the state does not conform to federal bonus depreciation. The $64,935 in estimated year-one savings shown above is federal only, calculated at the 37% marginal rate. On your California return, the reclassified components still depreciate over their shorter MACRS lives (5, 7, and 15 years) — you get the same total depreciation, just spread over those periods instead of taken upfront. At California's top 13.3% rate, the state benefit accumulates over the MACRS recovery periods rather than arriving in a single year.

San Francisco's older building stock — Victorians, Edwardians, and mid-century structures — often have rich cost segregation profiles. Ornamental plasterwork, period light fixtures, custom millwork, decorative hardware, and architectural ironwork all classify as 5-year or 7-year personal property. Properties that have been seismically retrofitted or renovated with modern mechanical systems create additional reclassification opportunities for those improvements. The combination of high property values and component-dense construction makes SF multifamily a strong cost segregation candidate.

What People Worry About (and What Actually Happens)

"California doesn't allow bonus depreciation — is it still worth it?"

The federal savings alone make it worthwhile. At $64,935 in federal year-one savings against a $1,395 study cost, you're looking at a 47x return on the federal side alone. The California benefit still exists — your reclassified components depreciate over 5, 7, and 15 years instead of 39 years, generating accelerated state deductions over those shorter periods. The federal benefit just arrives faster.

"Will this trigger an IRS audit?"

No. Cost segregation is explicitly supported by IRS guidelines (Rev. Proc. 87-56) and the IRS Audit Techniques Guide for Cost Segregation. Tens of thousands of studies are filed every year. Our reports are designed to withstand scrutiny — that's why they run 35+ pages with component-level documentation.

"What if I sell in a few years?"

You'll owe depreciation recapture at 25% on the accelerated portion when you sell. But if you 1031 exchange into another property, recapture is deferred indefinitely. In a market like San Francisco where many investors trade into larger multifamily or out-of-state portfolios, the 1031 path is common and eliminates the recapture concern entirely.

"My CPA hasn't mentioned this."

Most CPAs know about cost segregation but don't proactively recommend it because they don't do the engineering analysis in-house. That's what we provide. Your CPA files the results — we email them a CPA-ready package with everything they need, and we answer any questions they have directly.

Why Cost Segregation Works for Multifamily Properties

Multifamily buildings with 5+ units are classified as commercial property and depreciated over 39 years by default. Cost segregation reclassifies building components into shorter MACRS classes: appliances, cabinetry, flooring, light fixtures, and specialty items become 5-year property; certain built-ins and specialized equipment become 7-year property; and site improvements like parking areas, sidewalks, landscaping, fencing, and exterior lighting become 15-year property. For a typical multifamily building, 15-20% of the depreciable basis can be reclassified.

The per-unit component density in multifamily buildings amplifies the benefit. Each unit contains its own set of depreciable personal property — kitchen appliances, bathroom fixtures, flooring, light fixtures, and window treatments. Common areas add additional reclassification value: lobby furnishings, laundry equipment, mailbox assemblies, intercoms, security systems, and shared mechanical equipment.

With 100% bonus depreciation permanently restored under the One Big Beautiful Bill Act (signed July 2025), every dollar reclassified into 5-year, 7-year, or 15-year MACRS classes is deductible in full in the first year on your federal return. For California, the reclassified components follow standard MACRS schedules — still accelerated compared to the 39-year default, but spread over the shorter recovery periods rather than taken in year one.

Who This Example Applies To

Multifamily property owners (5+ units) in San Francisco and the Bay Area
Investors who own Victorian, Edwardian, or renovated multi-unit buildings
Taxpayers in the 32-37% federal bracket (where federal savings are most significant)
Properties placed in service recently or acquired in prior years — catch-up deductions available via Form 3115

California does not conform to federal bonus depreciation. The year-one savings shown on this page reflect federal tax only. State depreciation follows standard MACRS schedules over the reclassified recovery periods. If your property is a primary residence or held in a passive structure, consult your CPA about how the deductions apply to your specific situation.

Hear From an Investor Who Did This

This property investor ordered a cost segregation study and used the accelerated depreciation on their next tax return. Here's what happened.

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Compare: San Francisco Multifamily at Different Price Points

Price	Accelerated	Federal Tax Savings	Study Cost	ROI
$1M	$117,000	$43,290	$1,395	31x
$1.5M	$175,500	$64,935	$1,395	47x
$2M	$234,000	$86,580	$1,895	46x
$3M	$351,000	$129,870	$1,895	69x

Compare: $1,500,000 Across Property Types

Property Type	Accelerated	Federal Tax Savings	Study Cost	ROI
Multifamily (5+)	$175,500	$64,935	$1,395	47x
Condo	$146,250	$54,113	$1,195	45x
Single-Family Rental	$175,500	$64,935	$1,195	54x

Frequently Asked Questions

Does California conform to federal bonus depreciation? ▼

No. California does not conform to federal bonus depreciation rules. The year-one tax savings from cost segregation apply to your federal return only. For California state taxes, you still benefit from the shorter MACRS class lives (5, 7, and 15 years), but the depreciation is spread over those periods rather than taken in full in year one. This means your California return uses standard depreciation schedules while your federal return captures the full accelerated benefit.

Do Victorian buildings in San Francisco qualify for cost segregation? ▼

Yes, and older Victorian buildings often have excellent cost segregation profiles. These properties typically contain extensive ornamental plasterwork, custom millwork, specialty light fixtures, decorative hardware, and unique architectural elements — all of which qualify as 5-year or 7-year personal property. Additionally, older buildings that have been renovated with modern HVAC, electrical, plumbing, and fire suppression systems create additional reclassification opportunities for those improvements.

Can I do cost segregation on a rent-controlled San Francisco property? ▼

Yes. Rent control does not affect your eligibility for cost segregation. The IRS classification of building components is based on physical characteristics and useful life, not on how rents are regulated. Whether your SF multifamily property is under the Rent Ordinance or market-rate, the MACRS reclassification and depreciation benefits are the same. Cost segregation is especially valuable for rent-controlled properties where appreciation in rents is limited — the tax savings provide a return that rental income alone may not.