H & R Block Tax Service 3801 3rd St # 500 San Francisco, CA 94124 Phone : (415) 647-7864 H & R Block Tax Service Business Category Tax Return Preparation & Filing H & R Block 3801 3rd St Ste 500 San Francisco, CA 94124 Phone : (415) 647-7864 Business Category Tax Return Preparation & Filing Services           Anticipation Loans, Business Income Tax, Direct Deposit, Electronic Filing, Federal Filing, Individual, Small Business, State Filing, Tax Consulting Certifications           Authorized IRS eFile Provider