Image of the Downtown San Leandro Gate.

Parcel Viewer

Alameda County Office of Assessor

Disclaimer Notice

The data, information, and maps provided herein are derived from various sources and are dynamic and in an ongoing state of maintenance, correction and update, and are subject to verification by the user and/or Alameda County. The mapped data depicted herein does not constitute a legal survey. The County of Alameda makes no warranty, representation or guarantee as to the content, accuracy, timeliness or completeness of any of the information implied herein. The County of Alameda explicitly disclaims any representation and warranties, including, without limitation, the implied warranties of merchantability and fitness for a particular purpose.

The Parcel Viewer is the property of Alameda County and shall be used only for conducting the official business of Alameda County. No person shall use or permit the use of the Parcel Viewer for any purpose other than the conduct of official Alameda County business. “Use in the conduct of official Alameda County business” means using or operating the Parcel Viewer in the performance of or necessary to or in the course of the official duties and services of Alameda County. Prohibited uses include, but are not limited to, uses for political campaigns, personal matters, or profit.

Attention!Public Counter Closure

Due to the Covid-19 pandemic and public health concerns, the Assessor's Office is temporarily closing our public counters until further notice for both your and our staff's protection. It is important that we eliminate personal contact whenever possible to fight the spread of the virus. Our technicians are still available to provide assistance via telephone from 8:30AM-5:00PM Monday through Friday.

If you need to drop-off documents, please leave them in the box provided and staff will retrieve them promptly to protect confidentiality.

We sincerely appreciate your understanding and patience during this most difficult time.