STATE OF CALIFORNIA
DEPARTMENT OF REAL ESTATE

In reviewing a licensee's information, please be aware that license discipline information may have been removed from a licensee's record pursuant to Business & Professions Code Section 10083.2 (c). However, discipline information may be available from the California Department of Real Estate upon submittal of a request, or by calling the Department's public information line at 1-877-373-4542.
The license information shown below represents public information. It will not reflect pending licensing changes which are being reviewed for subsequent updating. Although the business and mailing addresses of real estate licensees are included, this information is not intended for mass mailing purposes.
Some historical disciplinary action documents may not be in compliance with certain accessibility functions. For assistance with these documents, please contact the Department's Licensing Flag Section.

License information taken from records of the Department of Real Estate on 12/14/2025 6:23:28 AM

---

License Type:	BROKER
Name:	Costello, Joseph Valentine III
Mailing Address:	1916 MAR WEST STREET BELVEDERE TIBURON, CA 94920
License ID:	00620045
Expiration Date:	02/07/26
License Status:	LICENSED
Broker License Issued:	02/08/82 (Unofficial -- taken from secondary records)
Former Name(s):	NO FORMER NAMES
Main Office:	1916 MAR WEST STREET TIBURON, CA 94920
DBA	NO CURRENT DBAS
Branches:	NO CURRENT BRANCHES
Affiliated Licensed Corporation(s):	01160588 - Officer Expiration Date: 04/16/22 Hill & Co Property Management Inc OFFICER CANCELED AS OF 12/09/19
	01352226 - Officer Expiration Date: 04/15/21 Hill & Co OFFICER LICENSE EXPIRED AS OF 07/01/21
Former Broker Associate for:	License ID: 01527235 Compass California II, Inc. From 06/29/2020 to 09/16/2024
Comment:	NO DISCIPLINARY ACTION
	11/04/20 - Officer license expiration date extended until 6/30/21 pursuant to Executive Order No. N-83-20.
	>>>> Public information request complete <<<<