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COVID-19 Updates: Get the latest public information related to coronavirus disease 2019 (COVID-19) at

Public Works will re-open our front counter to the public on July 6 and start providing some modified services.  Our hours will be 8 – 5, with closure from 12 – 1:30 for sanitation. Masks are mandatory in our building, and we ask that you adhere to physical distancing protocol. We will have limited services at our front counter and will not be accepting drop in meetings.  Please contact 805-781-5252 to make an appointment with staff.  Bus passes can be purchased at the Kiosk on the corner of Osos and Palm or by phone via Follow us on Twitter @SLOCountyPWD for the latest updates.

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Forms & Documents > Development Services > Public Improvements

Name Description Type
Engineer-of-Work-Certifcation Standard Engineer of Work certification form File
Improvement-Bond_Unit-Costs-Form Excel Spredsheet for calculation of improvement costs for bonding purposes File
PIP-Design-Exception-Request Design Exception Request File
PIP-Design-Exception-Request_ADA ADAcDesign Exception Form File
PIP-Intake-Checklist Staff improvement plan intake checklist File
PIP-Phased-Building-Permit-Agreement Agreement to allow occupancy prior to completion of all public improvements. Must be signed by owner, PW and P&B File
PIP-Right-of-Entry Construction right-of-entry example File
Public Improvement Standards Folder
Will-Serve-Letter-Application Request form for County provided water or sewer services File

Contact Public Works via web form, email, or call us at (805) 781-5252.