Selected County Links & Documents
Emerald Lake Hills Zoning Map (Emerald Hills borders, as defined by the SMCounty Planning Dept. 241KB PDF)
Emerald Lake Hills Land Use Map (Density Designations, 438KB PDF)
RWC Zoning Map (for comparison; ~3MB PDF)
San Mateo County Zoning Regulations (external link to HUD site)
County Maps and Documents (link to full complement of San Mateo County Planning Dept. maps and documents page)

Local Government
Emerald Lake Hills is located in unincorporated San Mateo County and is governed by the County Board of Supervisors. It lies within the boundaries of the county's Third District.
Useful Links:

San Mateo County Web Sites: [ Home Page ]

SMC News Blog (

Residents of Emerald Hills are encouraged to check out San Mateo County's blog.  You can get information on Board of Supervisors' agenda item, updates from  San Mateo County departments and other news.

PG&E's Pipeline Long Range Planning

Go to

Residents of Emerald Lake Hills can turn to the emergency facilities at two nearby hospitals should the need arise:
Sequoia Hospital [map], located in Redwood City at the corner of Alameda and Whipple (650-367-5541), and
Stanford Hospital, approximately 5 miles to the south, located on Sand Hill Road in Palo Alto (650-723-5111).

Police Protection
Law enforcement services, excluding traffic problems, are provided by the San Mateo County Sheriff's Office (650-363-4000, emergency/dispatch 650-363-4911). Traffic problems in the area come under the jurisdiction of the California Highway Patrol (650-369-6261), but call Sheriff Patrol Dispatch (650-363-4911) to report parking infractions.

Fire Protection
Emerald Lake Hills is considered a high-risk fire zone. Fire protection services are provided by the Woodside Fire Department at 850 California Way (650-368-2155), the Redwood City Fire District Station 12 at 3700 Jefferson Avenue (650-780-7412), and the California Department of Forestry (CDF) Station 18 located at 300 Edmonds (650-366-7416). CALL 911 to dispatch the closest/most available units.
[Note: if using a cellular phone, your 911 call goes first to the California Highway Patrol, rather than the county's 911 dispatch.
The directed number for emergency services is 650-363-1311.]

Trash/Recycling Services
Allied Waste is the contracted trash collector. Their web site is full of useful information.

Please report graffiti problems to the San Mateo county graffiti abatement hotline at (650)
599 3898

Streetlight problems
San Mateo County Public Works personnel maintain the fixtures which hang on both PG&E and County owned poles. The county is responsible for maintaining and servicing the fixtures while PG&E provides electricity and an electrical connection. PG&E is paid a fixed monthly fee for electrical energy to these fixtures. Residents in County Lighting Districts are annually assessed on their Property Tax a district fee by the County Tax Assessor.

County Lighting District Office:
The County Street Lighting District office is located at 555 County Center, 5th Floor, Redwood City, CA 94063. Regular business hours are 7:30 a.m. to 4:30 p.m., Monday through Friday. The District office phone number is 650-363-4100.

Reporting Street Light Outages:
Residents can leave a voice message on a 24-hour "Hotline" by dialing 650-599-1407. For prompt service, please leave the nearest address to the pole, or a number found on the pole about 6-feet from the ground. Additionally, leave your name and phone number on the "Hotline" so staff can notify you of any misunderstanding or repair delays. Reports of outages can also be emailed to

Other Links
Other potentially useful resources:
California Department of Consumer Affairs (confirm that your contractor is indeed licensed, and that their workers compensation insurance is current... a very smart thing to do to prevent claims and liens against your house in case of worker injuries on your property)
Redwood City Water Dept. (now available online, your water usage vs. your allocation)

Water System Improvement Program

Call the 24-hour phone line at 866-973-1476 or email

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