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Murrieta Today
By the People, for the People
Riverside County Approves TUMF Fee Increase
The new fees aim to fund regional transportation improvements driven by new development.
Mar. 27, 2026 at 3:26am
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The Riverside County Board of Supervisors voted 5-0 to approve an update to the Transportation Uniform Mitigation Fee (TUMF) program, which will increase the cost of construction in the county. The TUMF program was established in 2002 to enhance the regional highway and arterial system, with fees based on the increased demand from new development.
Why it matters
The TUMF program is a key funding mechanism for transportation infrastructure improvements in Riverside County, which has seen significant population and development growth in recent years. The fee increase aims to ensure new development projects contribute their fair share towards addressing the strain on the regional transportation network.
The details
The TUMF fee increase is based on the Construction Cost Index, which tracks changes in the costs of materials and labor for construction projects. The program is administered by the Western Riverside Council of Governments (WRCOG), which includes the County of Riverside and 18 incorporated cities within the county.
- The Riverside County Board of Supervisors voted 5-0 to approve the TUMF fee update on March 10, 2026.
- The TUMF program was originally established in 2002 to fund regional transportation improvements.
The players
Riverside County Board of Supervisors
The governing body of Riverside County, California, responsible for approving the TUMF fee update.
Western Riverside Council of Governments (WRCOG)
A joint powers authority that administers the TUMF program, comprising Riverside County and 18 incorporated cities within the county.
What’s next
The new TUMF fees will go into effect immediately, impacting the cost of construction for new development projects in Riverside County.
The takeaway
The TUMF fee increase is a proactive step by Riverside County to ensure that new growth and development contributes its fair share towards funding critical regional transportation infrastructure, helping to maintain the county's quality of life and economic competitiveness.
