Microsurface Seal


microsurface seal is a mixture of fine aggregate and liquid asphalt that is spread over the pavement by a County hired contractor. Microsurface seals are used on arterial, collector and residential roads that are in good condition.

Schedule information regarding the contracted microsurface seal application can be obtained by calling the Public Works Department's Construction Division at (925) 313-2320 or by clicking the project link below.

There is no planned microsurface project this year.