Welcome to the Alameda County Treasurer-Tax Collector's website. Our staff has worked hard to provide you with online services that provide useful information.Use Form 8283 to report information about noncash charitable contributions. Do not use Form 8283 to report out-of-pocket expenses for volunteer work. The most useful item to aid in completing the form is an accurate and up to date asset listing. If you donated to a nonprofit at one of our locations, you are able to access an electronic copy of our nonprofit partners' tax receipt below. You can donate property to St. Vincent De Paul Society. Income tax deduction is for full fair market if gift is used to support our tax-exempt purpose. More than 8000 property owners in Alameda County are receiving a reduction in their property taxes, according to County Assessor Phong La. Unfortunately at this time, owners of apartments, aircraft or commercial agricultural property will need to file with a paper form which will be mailed to you.