Last updated: May 2026
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sandiegoairbnbtax.com is owned and operated by Cost Seg Smart LLC, the same operator as costsegsmart.com. Recommendations to "order a study" route to costsegsmart.com, an affiliated property. We disclose this on every page so you can weigh the recommendation accordingly.
The calculator and observed-range data on this Site provide illustrative estimates only. They do not constitute a cost segregation study, tax advice, legal advice, or financial advice of any kind.
We make no representations or warranties regarding the accuracy, completeness, or reliability of any output. Actual cost segregation results depend on property-specific factors that an advisory check cannot fully account for.
You are solely responsible for consulting a qualified CPA, tax advisor, or other licensed professional before making any tax-related decisions, including whether the short-term rental loophole or material participation rules apply to your specific situation.
San Diego's STRO (Short-Term Residential Occupancy) ordinance, effective May 2023, requires all hosts to hold one of four license tiers. Tier 3 and Tier 4 (whole-home) licenses are capped at roughly 1% of total housing stock, with Mission Beach treated as a separate carve-out. Future regulatory changes, license expirations, or non-renewals may affect whether a property currently used as an STR can continue to operate as one. We assume conservative 5-year hold periods in our advisory ranges, but we do not warrant any representation about the legality, permitting status, or future viability of any specific San Diego STR property. You are responsible for verifying current and prospective STRO compliance with the City of San Diego before purchase or operation.
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