Tahoe, CA/NV Cost Segregation: Median $55,694 Year-1 Savings (2026)

Why Tahoe is different

Lake Tahoe is the most unusual cost-seg market in the U.S. — the only major STR destination split across a state line where one side decouples from federal §168(k) and the other has no state income tax at all. This is the only thing that matters strategically, and most owners don't think about it until their CPA sees the addback on their California return.

The South Shore and West Shore (El Dorado and Placer counties, California) decouple. A $100,000 federal accelerated deduction produces a real federal-tax benefit but doesn't reduce your California liability in the same year — California requires the addback on Schedule CA (540), and the basis depreciates over the regular schedule for state purposes. For a Bay Area buyer in California's top 13.3% bracket, that means roughly one-third of the headline savings is timing, not magnitude.

The North Shore and East Shore (Washoe and Douglas counties, Nevada) don't decouple — they don't even tax. Federal §168(k) at 100% is the entire deduction story. Same property profile, same engine output, but the after-tax dollars are materially different depending on which shore you're on.

The second factor that's distinctive: property archetypes are unusually heterogeneous. Tahoe holds 1970s A-frame cabins (typically heavy renovation cost segregation drives the math), mid-century lakefront homes with substantial dock infrastructure (15-year land improvements), luxury Incline Village SFR (high absolute basis, IVGID capital assessments to layer in), and ski-adjacent Truckee mountain homes (different STR economics than lakefront).

California / Nevada state tax position: Lake Tahoe straddles the California–Nevada state line, and this matters more for cost segregation than most owners realize. On the California side (South Lake Tahoe, Tahoma, Tahoe City), California §168(k) is decoupled from federal — so 100% federal bonus depreciation produces a federal benefit only, with no parallel state deduction. On the Nevada side (Incline Village, Crystal Bay, Stateline), Nevada has no state income tax at all, so the federal deduction is the entire tax story. Two properties on opposite shores of the same lake produce materially different effective tax savings.

Decoupling: California taxpayers must add back the federal bonus depreciation deduction on Schedule CA (540) and depreciate the California basis on the regular MACRS schedule. This creates a permanent timing mismatch, not a tax-saving — the federal acceleration is real but the California portion of your liability is unaffected. For high-income CA buyers ($1M+ income), the after-tax math should assume only the federal deduction is real.

Verify with your CPA. State tax conformity rules for federal §168(k) bonus depreciation are adjusted frequently, multiple states have modified their treatment two or more times in the past decade. The general framing on this page reflects our understanding as of May 2026, but you should always verify current-year treatment with a qualified CPA or tax attorney before relying on specific dollar projections for your situation.

Engine outputs: 5 Tahoe fixtures

These aren't rough estimates. Each fixture was run through the same engine that produces your actual study, RSMeans 2024 base costs, BLS PPI time index, county assessor land allocation, IRS Pub. 946 / Rev. Proc. 87-56 MACRS classification, 100% bonus depreciation per OBBBA.