ProTax & Associates, INC in Chula Vista prepares individual and business tax returns from 326 E Street, a Chula Vista Chamber of Commerce member positioned in the downtown professional-services cluster between Third Avenue and Fourth Avenue. Small-business clients producing branded tax-organizer packets and year-end statements source print production from corridor vendors including Sir Speedy Print, Signs, Marketing. Return preparation covers standard W-2 filings, 1099-NEC independent-contractor income, Schedule C sole-proprietor deductions, and multi-member LLC returns requiring Schedule K-1 allocation of income, losses, and credits. The E Street office sits within two blocks of the San Diego Superior Court's South County branch at 500 Third Avenue, placing the firm in the same professional corridor used by attorneys, title companies, and escrow officers. Construction contractors tracking job-cost expenditures coordinate blueprint and plan-reproduction needs through Bonita Blueprint while the firm captures those costs on Schedule C or corporate returns. The firm's most technical filings involve California Form 100S S-Corp returns with built-in minimum franchise tax calculations, excess net passive income computations, and shareholder basis-limitation worksheets under IRC Section 1366(d).