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File #: A 26-056    Name: PSA with Workbench - Updates to Existing ADU Plans
Type: BoS Agreement Status: Housing & Community Development - Consent
File created: 2/11/2026 In control: Board of Supervisors
On agenda: 3/10/2026 Final action:
Title: a. Approve a non-standard Professional Services Agreement in the amount of $15,000 with Workbench, Inc., to provide updates to the existing Accessory Dwelling Unit plans to incorporate and update the California Building Code for a term beginning from execution to June 30, 2029 in an amount not to exceed $15,000; and b. Authorize the Chief Contracts and Procurement Officer or designee to sign the non-standard Professional Services Agreement and future amendments to the Agreement where the amendments do not significantly alter the scope of work or change the approved Agreement amount by more than 10% ($1,500);
Attachments: 1. Board Report, 2. Attachment 1 - Non-standard Professional Services Agreement
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Title
a. Approve a non-standard Professional Services Agreement in the amount of $15,000 with Workbench, Inc., to provide updates to the existing Accessory Dwelling Unit plans to incorporate and update the California Building Code for a term beginning from execution to June 30, 2029 in an amount not to exceed $15,000; and
b. Authorize the Chief Contracts and Procurement Officer or designee to sign the non-standard Professional Services Agreement and future amendments to the Agreement where the amendments do not significantly alter the scope of work or change the approved Agreement amount by more than 10% ($1,500);
Body
RECOMMENDATION:
It is recommended that the Board of Supervisors:
a. Approve a non-standard Professional Services Agreement in the amount of $15,000 with Workbench, Inc., to provide updates to the existing Accessory Dwelling Unit plans to incorporate and update the California Building Code for a term beginning from execution to June 30, 2029 in an amount not to exceed $15,000; and
b. Authorize the Chief Contracts and Procurement Officer or designee to sign the non-standard Professional Services Agreement and future amendments to the Agreement where the amendments do not significantly alter the scope of work or change the approved Agreement amount by more than 10% ($1,500);

SUMMARY:
In June 2022, the County entered into an Agreement with Workbench to provide the design and development of detached Accessory Dwelling Unit (ADU) building plans for studio, one-bedroom, and two-bedroom unit types that allow for a one-room addition. These plans are available on the County’s Housing and Community Development (HCD) website and are being utilized by the public. That Agreement expired December 31, 2023.

DISCUSSION:
There has been an update to the building codes that in turn requires an update to the ADU plans. Workbench shall bring the plans up to date to meet the California Building Code 2025 Year Code for the design, structural, electrical, plumbin...

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