Can I place a second dwelling unit on my property?
An additional dwelling unit may be placed on a parcel provided a Use Permit (Ministerial) has been approved. The requirements for a standard second unit permit are:
- The lot is located within a Single-Family Residential District;
- The second dwelling unit is constructed within or above an existing building or detached accessory building;
- The unit does not extend further into the required setbacks than the existing foundation of the building and is not within three feet of a property line;
- The structural height shall be the minimum to accommodate the second unit, and in all cases shall not exceed thirty feet at the highest point of the roof;
- The second dwelling unit will not significantly impact adjacent properties adversely;
- The number of doors and windows facing the reduced side or rear yards are minimized;
- The proposed second dwelling unit is approved by the fire department for emergency access;
- The proposed addition can be accommodated with the existing water service;
- The existing sewer lateral can accommodate the proposed addition;
- The requirements of this Chapter 18.33 (Second Dwelling Units) of the Municipal Code have been met.
- The unit shall provide a minimum of one off-street parking space for the second dwelling unit;
- Maximum Unit Size. The floor area of the second dwelling unit shall not exceed seven hundred square feet.
- The proposed second dwelling unit meets the zoning, lot size, and unit size standards of the underlying Zoning district.

Show All Answers

1. What is a Local Coastal Program?
2. What is a General Plan?
3. How do I find out what my property is zoned?
4. What are setbacks? What are the setbacks for my property?
5. Where am I permitted to place a storage shed or shop (accessory structure) on my property?
6. Can I build an addition to my home?
7. How many parking spaces do I need?
8. What can I do with my property?
9. Who should I call if I have questions regarding property within Half Moon Bay City Limits?
10. What is being built in Half Moon Bay?
11. When is a sign permit required?
12. How many chickens & roosters may I have on my property?
13. How many pets may I have on my property?
14. What is the size of my property?
15. Is my property in a floodplain?
16. What is the process for a person to receive a Planning Director or Planning Commission agenda in the mail?
17. When do Community Development Director and Planning Commission Meetings Occur?
18. What is a Coastal Development Permit (CDP)? What is the process for a CDP?
19. What do I need to do to operate a business at my residence?
20. Can I place a second dwelling unit on my property?
21. How much are application fees?
22. How high can my fence be?
23. Can eaves, decks, and other similar things project into my property setbacks?
24. How much signage is my business allowed?