Public Works Services


ADA Transition Plan

The ADA required that public entities draft a transition plan to be completed by July 26th, 1992. The ADA Transition Plan was to identify any structural changes necessary to achieve program accessibility.


Adopt-A-Road is a fun, educational, and worthwhile program that will provide your company or organization prominent recognition while saving taxpayer dollars. You can clean up and beautify a stretch of County road with cooperation of the Public Works Department and a minimum of red tape. This is a great way to promote civic responsibility, community pride, and camaraderie within your organization.

Bridge Maintenance and Replacement Program

The Bridge Design Group executes the County’s Capital Plan for the improvement of the County’s bridges, culverts and other structures through the effective and economic utilization of human and fiscal resources in the preparation and review of engineering reports, detailed design plans, technical specifications and construction contract documents.

Building Permit Review

This service is to evaluate building permits for drainage, stormwater, erosion control, flood hazard, and driveway encroachments.

Bus/Transit Passes

Purchase bus passes for RTA (Regional Transit Authority) & SCT (South County Transit).

Capital Projects 5 Year Plan

The County of San Luis Obispo Facilities and Infrastructure five year Capital Improvement Plan (CIP) is a multi-year planning tool design to identify facilities and infrastructure improvements with estimated costs exceeding $100,000 over the next 5 years. The plan is available in the form of the CIP and first 9 appendices detailing the project selection, funding, and other details, with appendix 10 including the individual project information sheets for every planned CIP.

Capital Projects Map

Identifies and tracks capital projects throughout the County.

Cooperative Road Improvement Program

The Cooperative Road Improvement Program was put in place to help local residents upgrade existing unpaved County maintained roads to paved roads or bring roads to a County standard for acceptance into the maintained system.

Corner Record Review

A corner record is a legal document filed with the County by a licensed land surveyor to document property corners.

Development Fee Appeals

See Development Services Fee Schedule

Development Plan Checking

Review construction documents associated with land development

Disadvantaged Business Enterprise (DBE) Program

The California Department of Transportation, through the Federal Highway Administration (FHWA), requires the County of San Luis Obispo to adopt and execute a Disadvantaged Business Enterprise (DBE) Program for the hiring of disadvantaged businesses for projects receiving Federal-aid funds. Disadvantaged Business Enterprises are defined as those for-profit small businesses where 51% of the business (as defined by the United States Small Business Administration) is owned by one or more socially and economically disadvantaged individuals and whose management and daily business operations are controlled by one or more of the socially and economically disadvantaged individuals who own it.

Drainage and Flood Hazard Review

Building Permit review for potential drainage or flood hazards.

Drinking Water Source Assessments

These assessments identify the vulnerability of the drinking water supply to contamination from typical human activities, intending to facilitate and provide the basic information for each community to develop a program to protect the drinking water supply.

Encroachment Permits

An Encroachment Permit is a permit which allows people to work within or use the County right of way. An Encroachment Permit is required whenever an activity (e.g. construction, events, etc.) takes place in the County right of way.

Garbage and Recycling Service Contacts

Contact numbers and websites for San Luis Obispo County garbage and recycling service providers.

GIS of Survey Maps

GIS of The County Survey Maps and Corner Records.  Open Map in New Page

Groundwater Well Level Snapshots

This map shows well data that are averaged to give a snapshot of current groundwater level conditions. 

Interactive Bikeway Map

GIS map of all County maintained bridges and plans for proposed bikeway improvements and installations.

Interactive Groundwater Basins Map

Groundwater basins throughout San Luis Obispo County.

Invasive Mussels

Outlines the ongoing Quagga/Zebra mussel programs throughout San Luis Obispo County.

Live Water Data

Stream, Rain and Reservoir levels in San Luis Obispo County.

Los Osos Low Income Financial Assistance Program

This program provides financial assistance (up to 20% of the annual sewer service charge component) to low income households in the Los Osos community.

Los Osos Sewer Lateral and Septic Tank Locations

Locations for sewer laterals and septic tanks in Los Osos

Los Osos Water Conservation Rebate Program - For Homeowner Installation

Save money and help Los Osos reduce indoor water usage to meet the goal of 50 gallons per person per day.

If you wish to apply for a rebate for plumber installed fixtures and retrofits please see the Plumber Installation Rebate service.

Los Osos Water Conservation Rebate Program - For Plumber Installation

Save money and help Los Osos reduce indoor water usage to meet the goal of 50 gallons per person per day.

If you wish to apply for a rebate for homeowner installed fixtures and retrofits please see the Homeowner Installation Rebate service.

Los Osos Water Recycling Facility Tours

Schedule a Tour at our Los Osos Water Recycling Facility.


County maps available for reference and download.

Pavement Management Report

Since 1997, the Public Works Department has maintained a formal pavement management program for documenting road conditions, forecasting pavement maintenance and scheduling maintenance funds for the road network.

Pay Your Water Bill

Residents of Shandon, Cayucos, and Santa Margarita can pay their water bills online.

Project Bid Results

Bid results for Public Works projects since 2009.

Projects to be Completed by County Staff

Pursuant to the provisions of Section 22031 of the California Public Contract Code and as authorized by the Board of Supervisors of the County of San Luis Obispo, the Director of Public Works for the County of San Luis Obispo hereby states the intention to use County forces for new road construction and/or reconstruction work regarding the projects listed below. The work performed by County forces relating to the projects listed below shall comply with the following criteria:

  1. The project work is beyond routine maintenance as defined through the State controller's Office.
  2. The total value of the work falls within the budgetary limits established under Section 22031(b)(2) of the Public Contract Code.
  3. The Director of Public Works, or a registered civil engineer acting under his direction, shall prepare, file and maintain all such records and reports as may be required by applicable law regarding any such work performed by County forces.

The foregoing notice is hereby adopted on the 27th day of August, 2016.

For an official signed copy, click here

Projects to be done utilizing County Forces

Item Community Project Location Project Description
1 Templeton Vineyard Road near Kentucky Ranch 450 Feet of RSP
2 Cayucos E Street at Front street Extend 30-inch culvert through the parking lot
3 Cayucos Ocean across from 3rd Manhole box and drain
4 Nipomo La Cumbra at Calle Del Sol 450 feet of off side drain installed to basin
5 Templeton 2nd Street and Main Street Add new grate and pipe to reduce flooding on 2nd Street
6 Pismo Carpenter Creek walking bridge Replace walking bridge across Carpenter Creek

Public Improvement Standards

The purpose of establishing Public Improvement Standards is to help provide public facilities and services that ensure health and safety and enhance quality of life for the community.

Public Works GIS

The Public Works Department maintains GIS information for Road Closures, Capital Projects, Los Osos Sewer Laterals, Map Indexes, and Groundwater Basins.

Public Works Water Resources

Please visit to learn about the County’s water resources. You'll also find information about flood control, major projects, hydro-logic investigations, data collection, and many other topics.

Record Map Index

Scans of all of the County's recorded maps. These include: Records of Survey, Tract Maps, Parcel Maps, Corner Records, and other miscellaneous maps )

Record Plan Index

Scans of various County engineering plans including: Bridges, curbs, Parcel and Tract Map Improvement Plans, Road Plans, Right of Way Plans, and State Highway Plans.

Resident Vessel Program

Additional feature of the Mussel Prevention Program available to participating, eligible private launch ramps at Lake Nacimiento.

Road Closures and Delays

Road closures and delays due to ongoing projects, events, or storms.

Road Maintenance Requests

The County of San Luis Obispo Public Works Department is responsible for maintenance and installation of signal lights, road signs, and road striping, in addition to roadway maintenance and improvements. A request should be submitted to report problems and concerns with County maintained signals, signs, striping, and other road maintenance issues including potholes or roadway surface treatment.

Sewer and Water Connections (Will Serve)

The County of San Luis Obispo provides water and/or sewer services for specific County Service Areas (CSAs). These services are managed through issuance of water/sewer Will Serve letters.

For all Will Serve inquiries contact the The County Public Works Department at (805) 781-5239.

Solid Waste Franchise Agreements

Solid waste agreements throughout San Luis Obispo County.

Special Event Permits

If any traffic control, route markers, road/lane closures, pre-event advertising, participant fee, or event activities takes place in County Right-of-Way.

Stormwater Pollution Reporting Hotline

Please report all water pollution by calling the SLO County Water Pollution Prevention Hotline at (805) 781-5544 during business hours. For after-hours calls or all other questions please refer to the Storm Water Pollution Prevention - Reporting Flow Chart.

Street Sweeping Schedule

Monthly schedules for sweeping performed on County maintained roads.

Survey Map Review

The County Surveyor's office reviews all Records of Survey and Corner Records filed in the county. We also review Parcel Maps and Tract Maps that are processed by the County.

See the reference files at the left for: forms, checklist, and other documents pertaining to the survey map review process. 


Title VI

Title VI of the 1964 Civil Rights Act requires that "No person in the united States shall, on the ground of race, color or national origin, be excluded from participation in, be denied the benefits of, or be subjected to discrimination under any program or activity receiving federal financial assistance." 

Traffic Circulation Studies

Traffic Circulation Studies involve the creation of a new computerized traffic models that would reasonably simulate current traffic flow patterns and also forecast future travel demands and traffic flow patterns.

Traffic Counts

The County of San Luis Obispo Public Works Department maintains traffic count data for all County maintained roads.

Traffic Regulations Code Book

The Traffic Regulations Code Book outlines the provisions and regulations previously contained in Title 15 of the County Code.

Transportation Permits

Request permission to haul, drive, or tow an oversized vehicle on County roads

Water Quality Reports

Details on where your water comes from, what it contains, and how it compares to State standards.

Watershed Sanitary Surveys

Each survey is compiled to provide information identifying existing and future sources of water contamination, provide a baseline of water quality and watershed conditions, and recommend watershed management practices that will protect raw water quality.