Abbo Tax CPA on Grossmont Summit Drive in La Mesa's Casa de Oro district is a Certified Public Accounting firm specializing in tax preparation and planning for small-to-medium business owners across San Diego County. The firm handles 1031 like-kind exchange documentation, rental-property depreciation schedules under MACRS, and passive-activity loss calculations — tax-code provisions that directly affect the transaction structures negotiated by real-estate brokers like Amy Saflar Real Estate Broker on investment-property deals. Service categories include individual and corporate tax preparation, unfiled-return resolution, IRS and California Franchise Tax Board audit representation, estimated quarterly-payment calculations, and year-end tax-liability projection modeling. Proactive tax-planning sessions coordinate capital-gains timing, Roth-conversion laddering, and qualified-business-income deduction optimization with the portfolio allocation strategies built by Certified Financial Planners such as Brandon Welch, CFP®. Complex multi-entity engagements involve consolidated Schedule K-1 preparation across tiered partnership structures, requiring intercompany-elimination entries and state-source-income apportionment calculations under California Revenue and Taxation Code Section 25128.7.