Where can I obtain information on gas, water, or sanitation lines on my property?

First, contact the respective agencies providing services to your area (PG&E, Contra Costa Water District, EBMUD, Central Contra Costa Sanitary District, etc.). Second, consider contacting USA (Underground Services Alert) at 800-227-6000 before beginning any work so that they can mark all lines that lie on your property.

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1. How high can I build my fence and/or retaining wall?
2. Do my neighbors need a tree permit to remove a tree? When do they need a permit and what is the process and timeline involved?
3. How do I start a Home Occupation?
4. What can be built or done to my property?
5. Where can I get a copy of the parcel map?
6. What type of structures do not require a permit?
7. How long does the permit process take?
8. Where can I obtain information on gas, water, or sanitation lines on my property?
9. What is green building and where can I find more information about green homes?
10. When is a permit required from Building Inspection?