Hall of Administration
  • Administrative Services
  • Management Services
  • Personnel and Payroll
  • Special Investigations
  • Assessment Services
  • Exemptions & Mapping
  • Ownership Services
  • Information Technology Division
  • Central Processing
  • Major Personal Property
  • Major Real Property
  • Outside Sales Desk


Kenneth Hahn Hall of Administration
500 W. Temple Street  Room 225
Los Angeles, CA 90012-2770

Toll-free phone  |   1 (888) 807-2111
Phone  |   (213) 974-3211
Days  |   Monday to Friday (except holidays)
Hours  |   7:30 am to 5:00 pm


Si necesita asistencia en Español, por favor llame gratis al 1 (888) 807-2111 y oprima "2" al escuchar el mensaje.

Contact Form

Click below for an online form that allows you to submit your property assessment related questions or comments to the Assessor's public service staff.

Assessor Webmaster

Submit your technical website related questions or comments to the Assessor's Webmaster.

District Appraisals

The Assessor’s Office has divided the county into four geographical districts, with an office for each district. These district offices are responsible for assessing and maintaining the records for the houses, condominiums, apartments, and most commercial-industrial buildings and businesses within their geographical boundary. Click below to see the District Office locations.

Kenneth Hahn Hall of Administration

All other types of properties are assessed by the Assessor’s staff located in the Kenneth Hahn Hall of Administration headquarters location. These typically consist of the larger businesses and commercial-industrial properties in the county as well as specialized properties such as aircraft, boats, manufactured homes, oil producing leases and possessory interests.

Major Personal Property

If you require assistance with a business assessment (identified by a company number), please visit Room 225 or contact Personal Property staff at (213) 974-8613.

Major Real Property

If you require assistance with a parcel (identified by a mapbook, page, and parcel number, please visit Room 180 or contact the Real Property staff at (213) 974-3108.

Marine and Aircraft/Manufactured Housing

The public service counter for the Marine and Aircraft/Manufactured Housing section is located at the Kenneth Hahn Hall of Administration Headquarters office in Room 248. This section can be reached by phone at (213) 974-3119. You may also email your questions or comments by clicking on one of the buttons below.