AOB fees are collected through the Department of Conservation and Development, Building Inspection Division at the issuance of the building permit. Fees are collected at the rate in effect at the time the building permit is issued.
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Fees are adjusted periodically to reflect changes in development potential and traffic needs. Fees are also subject to change annually based on changes in the applicable construction costs index.
AOB fee credits are granted when the preexisting use is replaced by a new use that generates more traffic. The applicant would receive credit for traffic generated by the preexisting use. A project that changes a single family home into a commercial/retail building, or modifies a light industrial building into a commercial/retail building are examples of projects that would receive fee credit.
AOB fee waivers are granted only when vehicle trips are not added to the road network as a result of the proposed development (e.g. replacing an existing single family home, with a new single family home).
An encroachment permit is needed for any work within County Road or Flood Control Right of Way. Visit the Permit Portal for information about permits and permitting or email the Application and Permit Center.
The County's surface treatment work typically begins in the summer and ends in the fall. The schedule may vary depending on weather conditions and/or the need to recalibrate equipment.
For information on the County's street sweeping schedule visit the Contra Costa Clean Water Program Street Sweeping webpage or contact the County's Street Sweeping Manager at (925) 313-2296.
If you live on a publicly maintained street in unincorporated Contra Costa County with curb and gutter, your street is swept once per month. To view the County’s street sweeping schedule visit the Contra Costa Clean Water Program Street Sweeping webpage and confirm that your street is included on our street list. If you have further questions call CWP at (925) 313-2236.