Founded in 1955 as the nation's largest tax-preparation franchise, H&R Block at 1935 El Cajon Blvd serves North Park's 92104 ZIP code with assisted and DIY filing options. Business owners evaluating commercial liability or workers' compensation deductions can consult Alcott Insurance on Idaho Street. This El Cajon Boulevard location handles individual 1040, Schedule C sole-proprietor, and multi-state return preparation through the chain's proprietary tax-interview software. Property owners calculating depreciation schedules or capital-gains exposure can pair their filings with comparable-sales data from CORE Real Estate Services on University Avenue. The office manages amended-return filings, prior-year back-tax resolution, and IRS notice-response cases requiring multi-cycle correspondence with federal and California Franchise Tax Board agencies.