Can an ADU share utility infrastructure with a primary residence?

Yes. An ADU can share utility infrastructure with a primary residence. The infrastructure must have the capacity to handle an additional dwelling unit. The property owner should contact utility agencies (natural gas, electricity, water, sewer) for information about utility requirements. 

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1. Do ADUs require additional parking?
2. Are there design standards for ADUs?
3. Can I convert my garage to an ADU?
4. Is it required that the homeowner live in the primary residence?
5. I have been notified of my neighbor’s intent to build an ADU. Is there anything I can do to prevent it from being built?
6. I would like to build an ADU, where should I begin?
7. Can an ADU share utility infrastructure with a primary residence?
8. What if I have an existing second dwelling unit not approved through a permit process?
9. Who owns the water and sewer services lines?
10. Do I need a separate water service line for my accessory structure?
11. If my existing house is billed for water as a flat rate, can I add an accessory building to the account?
12. Do I need a separate sewer service line for my accessory structure?
13. Where do I find information about my existing water or sewer service line?
14. How do I complete a fixture count?
15. Do I need a separate water meter for my accessory structure?
16. Can my accessory structure be billed separately for water?