The Governor's advisory that non-essential companies shut down is an advisory. The Legal and Financial professions are generally considered essential. As a tax preparer, you can expedite a refund to the unemployed or working with reduced pay. EAs are allowed to give tax advice and assist taxpayers about the timing of filing. Does delaying a 2019 filing increase or reduce the stimulus pay-out. EAs are allowed to represent taxpayers who get DOR Refund Verification Review letters, need research of payment amounts, get letters of proposed changes or assessments. Perhaps IRS collections, lien and levy enforcements have been suspended until July 15th, but EA's are still generally considered essential.
You personal well being is most essential. In all cases, consider your health and personal safety first.