Cost Segregation in San Diego, CA: $216,000 in Accelerated Depreciation

San Diego’s year-round coastal tourism, high property values, and California’s top income tax rate make cost segregation essential for maximizing after-tax STR returns.

$216,000 Accelerated Depreciation
$79,920 Est. Year-1 Tax Savings
101x Return on Study Cost

See Your San Diego Tax Savings

$79,920
Estimated Year-1 Tax Savings
$216,000
Accelerated Deductions
$795
Study Cost
101x
ROI on Study
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Estimates are for illustration only. Details

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Cost Segregation in San Diego, CA

$900,000 San Diego Airbnb property — cost segregation depreciation example

San Diego Investment Snapshot

Typical Price Range $700K–$1.5M
Revenue Range $5,000–$12,000/mo gross STR revenue
Common Property Types SFR, beach cottage, condo, duplex
State Income Tax Up to 13.3%
Top Neighborhoods
Pacific Beach, Mission Beach, North Park
Typical Year-1 Savings
$42,000–$82,000

The San Diego Market

San Diego’s STR market draws from a consistent base: beach vacationers, Comic-Con and convention attendees, military relocations, and a growing remote-worker population drawn by the climate. Pacific Beach, Mission Beach, and Ocean Beach command the highest nightly rates for walk-to-the-sand properties, while La Jolla and Del Mar attract a luxury clientele willing to pay $400–$600/night. Investors typically pay $700K–$1.5M and gross $70K–$150K annually.

Why Cost Segregation Hits Different in San Diego

The combination of high purchase prices and California’s 13.3% top income tax rate makes San Diego one of the highest-ROI markets for cost segregation in the country. The accelerated depreciation reduces both federal and state taxable income, and for investors in the top brackets the combined marginal rate exceeds 50%. Physically, San Diego STRs carry strong reclassification potential: coastal-grade finishes, outdoor decks, updated kitchens, and designer furnishing packages all sit in accelerated MACRS classes.

A Real San Diego Example

Take a $900K beach cottage in Pacific Beach — a renovated 3-bedroom with an updated kitchen, outdoor deck, fenced yard, and professional coastal-themed interior. The depreciable basis after land is roughly $650K. A cost segregation study reclassifies approximately $195K into shorter MACRS classes: about $137K in 5-year property (cabinetry, countertops, appliances, flooring, bathroom fixtures, furniture, decor, lighting, electronics) and $58K in 15-year property (deck build, fencing, landscaping, driveway, walkways, exterior lighting, outdoor shower).

Who Is Doing This in San Diego

San Diego STR investors include military families who rent their homes short-term during deployment, California professionals who purchased before permit restrictions tightened, and high-income buyers from LA and the Bay Area who treat their San Diego property as both a weekend retreat and income producer. For someone in the combined 50%+ federal-plus-state bracket, a $900K property can generate $90K–$100K in real year-one tax savings.

CA Tax Considerations

California’s state income tax tops out at 13.3%, the highest in the nation. San Diego investors capture a meaningful state-level benefit on top of federal savings. Your CPA should verify current-year conformity with bonus depreciation provisions. The combined year-one savings on a $900K property often exceeds $90K. Note that California does impose depreciation recapture at sale, so 1031 exchange planning is especially valuable here.

MACRS Depreciation Breakdown

Accelerated Depreciation by MACRS Class
$216,000 total reclassified into shorter recovery periods
5-Year Property $151,200
70%
7-Year Property $17,280
8%
15-Year Property $47,520
22%
Estimated Year-1 Tax Savings $79,920

Illustrative estimate. Final allocations vary based on property facts and report findings.

Method
Year-1 Deduction
Difference
Standard (27.5yr straight-line)
$26,182
With Cost Segregation + Bonus
$216,000
+$189,818
Estimated deduction based on typical cost segregation allocations for san diego airbnb properties. Actual study results may vary based on property-specific analysis including age, condition, renovations, and local construction costs.
Download a real cost segregation report for a San Diego property (40+ page PDF)

Component-by-component breakdown, MACRS schedules, and Form 3115 filing instructions. This is the actual deliverable — see exactly what your CPA receives.

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Common San Diego Investment Properties

  • Beach cottages and bungalows in Pacific Beach and Mission Beach
  • Upscale condos and townhomes in La Jolla and Del Mar
  • Renovated Craftsman homes in North Park and Hillcrest
  • Multi-unit coastal properties converted to STR use

Depreciable Features We Commonly See

  • Outdoor deck and patio builds with ocean-view seating
  • High-end appliance and kitchen renovation packages
  • Coastal-grade exterior finishes and corrosion-resistant fixtures
  • Landscaping, fencing, and outdoor shower installations
  • Designer furniture packages and coastal-themed decor

What People Worry About (and What Actually Happens)

"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 40+ pages with component-level documentation.

audit risk and cost segregation →

"Is this aggressive tax strategy?"

Cost segregation is standard practice, not a loophole. The IRS has published formal guidance on how to do it correctly. Every Big 4 accounting firm offers it. We follow the same engineering-based methodology — just faster and at a fraction of the cost.

our engineering methodology →

"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. For most investors, the upfront tax savings far outweigh the eventual recapture — especially when you factor in the time value of money.

"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 Short-Term Rentals

Short-term rentals contain a higher concentration of depreciable personal property than almost any other residential property type. Furniture, appliances, linens, kitchenware, electronics, decorative fixtures, and specialty items like hot tubs or game room equipment all qualify as 5-year property under the IRS MACRS classification system. This furniture, fixtures, and equipment (FF&E) component typically represents 15-20% of the depreciable basis.

Beyond interior components, site improvements add additional reclassification value. Driveways, walkways, patios, outdoor lighting, fencing, landscaping, and irrigation systems fall into the 15-year MACRS class rather than the default 27.5-year residential schedule. For STR properties with pools, outdoor kitchens, or fire pits, these components can represent a meaningful share of the total reclassified amount.

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. For STR owners who materially participate in their rental operation, these accelerated deductions can offset W-2 and business income — not just passive rental income.

Who This Example Applies To

If your property is a passive investment managed entirely by a third party, the accelerated depreciation may only offset passive income. If your property has minimal furnishings or you plan to sell within 1-2 years, the benefit may be reduced. Actual results vary based on property age, condition, renovations, and local construction costs.

Hear From a Short-Term Rental Owner Who Did This

This Airbnb 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 Diego Airbnb at Different Price Points

Price Accelerated Tax Savings Study Cost ROI
$300K $72,000 $26,640 $795 34x
$500K $120,000 $44,400 $795 56x
$750K $180,000 $66,600 $795 84x
$1M $240,000 $88,800 $1,195 74x
$400K $96,000 $35,520 $795 45x
$600K $144,000 $53,280 $795 67x
$1.5M $360,000 $133,200 $1,195 111x
$450K $108,000 $39,960 $795 50x
$700K $168,000 $62,160 $795 78x
$800K $192,000 $71,040 $795 89x

Frequently Asked Questions

What is a cost segregation study?

A cost segregation study is an engineering-based analysis that reclassifies components of your property into shorter IRS depreciation categories (5, 7, and 15 years) instead of the default 27.5 or 39 years. This accelerates your depreciation deductions, reducing your tax bill in the early years of ownership.

Why do Airbnbs get higher cost segregation deductions?

Short-term rentals are typically furnished with furniture, appliances, electronics, linens, kitchenware, and décor — all of which qualify as 5-year personal property under MACRS. This FF&E (furniture, fixtures, and equipment) often represents 15-20% of the property's depreciable basis, significantly increasing the accelerated depreciation amount compared to unfurnished long-term rentals.

What about depreciation recapture when I sell?

When you sell a property, the IRS recaptures accelerated depreciation at a maximum rate of 25%. However, the time value of money strongly favors taking the deduction now: $50K in tax savings today is worth far more than paying $12,500 in recapture tax years later. Additionally, a 1031 exchange can defer recapture indefinitely.

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