To: Board of Supervisors
From: Warren Lai, Public Works Director/Chief Engineer
Report Title: Amendment No. 2 with Matrix HG, Inc., a California Corporation, Countywide.
☒Recommendation of the County Administrator ☐ Recommendation of Board Committee

RECOMMENDATIONS:
APPROVE and AUTHORIZE the Public Works Director, or designee, to execute a contract amendment with Matrix HG, Inc., effective January 31, 2026, to increase the rates and extend the term through January 31, 2027, with no change to the payment limit, for on-call plumbing services at various County sites and facilities, Countywide.
FISCAL IMPACT:
Facilities Maintenance Budget. (No fiscal impact)
BACKGROUND:
The Public Works Department Facilities Services Division is responsible for the maintenance and repairs to plumbing systems at all County-owned facilities. Plumbing services include maintenance and repair services for sewage ejector tanks, septic tanks, grease traps, drainage systems, sewage systems, piped water systems, and other plumbing systems, as well as repair or replacement of plumbing fixtures, valves, flushometers, water lines, traps, and reciprocating pumps.
Government Code Section 25358 authorizes the County to contract for maintenance and upkeep of County facilities. Originally bid on BidSync #2206-574, Matrix HG, Inc. was the sole contractor awarded for these on-call plumbing services. The Public Works Department originally awarded a three (3) year contract for $4,000,000 with the term February 1, 2023 through January 31, 2026.
Amendment No. 1, effective June 1, 2025, amended the scope of services by adding a new paragraph to allow service agreements. Facilities Services is requesting Amendment No. 2 to be approved, increasing the rates and extending the term through January 31, 2027, with no change to the payment limit.
CONSEQUENCE OF NEGATIVE ACTION:
If this contract amendment is not approved, the contract with Matrix HG, Inc. will expire and their on-call plumbing services will not be available.