Starting your own business can feel very complicated. The Online Services Portal is available to ALL owners that would like to conduct business with the Appraisal District electronically.Business Personal Property renditions are due April 15th! HOME-BASED BUSINESSES - Contact the Bexar Appraisal District Office at (210) 224-8511 for more information on reporting your business personal property. Affidavit – Private Property. You can get a signed and notarized affidavit from the owner of a private real property before peddling. San Antonio businesses will filed their Personal Property Tax Rendition to the Bexar Appraisal District. You can get a signed and notarized affidavit from the owner of a private real property before peddling. All firms and businesses interested in bidding on products and services must complete the forms below. The sale of real property, encroachment permitting, and other disposition services described in the processing fee schedule below are also administered.