Skip to main content
County of San Mateo
Agriculture, Weights and Measures
Assessor, County Clerk-Recorder & Chief Elections Officer
Board of Supervisors
Child Support Services
County Managers Office/Clerk of the Board
Fire Protection Services
Housing (Department of Housing)
Human Resources Department
Human Services Agency
Information Services Department
Planning and Building
Private Defender Program
San Mateo County Library
Tax Collector / Treasurer / Revenue Services
View All Departments
County of San Mateo
Office of Sustainability
Greenhouse Gas Inventory
Climate Action Plans
Sea Level Rise
Community Choice Energy
Energy Upgrade Rebates
County Commute Alternatives Program
Bay Area Bike Share
Connect, Redwood City!
Telework and Flex-Schedules Toolkit
Electric Vehicle Charging
Employee Commuter Bus
Report Stormwater Pollution
South Coast Water Conservation Pilot
Water Conservation Tips
Environmental Procurement Policy
Report It! SMC
Report It! SMC FAQs
Meet Our Staff
Save Our Water
Gardening in Drought
Shared Vision 2025
Track our progress
Report Illegal Dumping
Report Illegal Dumping and Discharges in your area.
Every Californian should conserve water. Click here to find out how.
Leaking energy and money? Get up to $6,500 in energy efficiency rebates!
Curious about Community Choice Energy? Click here to learn more!
Use Bay Area Bike Share for a fun, affordable commute!
Join the County's Commute Alternatives Program to save money and reduce commuting stress!
Want to Charge Your Electric Vehicle?
Do you have an electric vehicle (EV)? The County is providing reduced-fee EV charging stations for County employees in several locations starting in fall 2016! 1.
View Want to Charge Your Electric Vehicle?
Office of Sustainability Seeking Services Developing Groundwater Basin Assessment
REQUEST FOR PROPOSAL (RFP) RELEASE ALERT Today’s Date: October 16, 2015 San Mateo County Office of Sustainability and Environmental Health Services Division Would like to Announce the Following Reque
View Office of Sustainability Seeking Services Developing Groundwater Basin Assessment
County of San Mateo, 11 Cities Honored For Environmental Leadership
Significant work across San Mateo County addressing climate change and achieving measurable reductions in energy and greenhouse gas emissions was honored today with Beacon Awards.
View County of San Mateo, 11 Cities Honored For Environmental Leadership
More News »
Limited time discounts for residential solar and zero-emission vehicles! Learn more at a free workshop.
The San Mateo County Office of Sustainability is excited to share a great opportunity to learn if now is the time to go solar or buy a zero-emission vehicle.
2016 at 2:15 pm
2016 at 3:15 pm
View Limited time discounts for residential solar and zero-emission vehicles! Learn more at a free workshop.
Peninsula Clean Energy Informational Workshop - San Mateo
Location: City of San Mateo Library, Oak Room at 55 W 3rd Avenue, San Mateo, CA 94402 The City of San Mateo and County of San Mateo invite you to a learn about Peninsula Clean Energy, San Mateo County
2016 at 7:00 pm
2016 at 8:30 pm
View Peninsula Clean Energy Informational Workshop - San Mateo
Peninsula Clean Energy Informational Workshop - Menlo Park
Location: Menlo Park Senior Center Ballroom, 110 Terminal Ave., Menlo Park The City of Menlo Park and County of San Mateo invite you to a learn about Peninsula Clean Energy, San Mateo County's new def
2016 at 6:00 pm
2016 at 7:30 pm
View Peninsula Clean Energy Informational Workshop - Menlo Park
Coastal Cleanup Day 2016
When: Saturday, September 17, 2016, 9 am – noon. Where: All over the County.
2016 at 9:00 am
2016 at 12:00 pm
View Coastal Cleanup Day 2016
Back to Top