Accessory Dwelling Units

The Town encourages homeowners to consider creating second units in order to provide additional housing.  Second units can often be approved administratively and, if that is not possible, a use permit or variance may be required.

Can I have a second unit on my property?

Eligibility Requirements Yes No
1. Is your property zoned for Residential Use?
 Accessory dwelling units are permitted as an accessory use in R-1, R-1-H, and R-1-C zoning districts.  
An Accessory Dwelling Unit is allowed on your property A Use permit is likely required for dwelling units in other zoning designations
2. Does your property have the required amount of parking for that zoning designation?
Properties zoned R-1 that are located below 150 Mean Sea Level are required to have two onsite parking spaces. Properties that are zoned R-1 that are located above 150 Mean Sea Level are required to have three onsite parking spaces.
Additional Parking is likely not required for an Accessory Dwelling Unit An Accessory Dwelling Unit addition will trigger adding parking to the site to bring it into conformance with Town Codes
3. Does your property have enough Floor Area for an addition of living space?
If the project includes an addition of living space, it must comply with the Floor Area regulations for the entire parcel. Please see our development standards or contact Town staff for more information.
An Accessory Dwelling Unit is allowed on your property The Planning Commission may be able to approve excess Floor Area when certain findings are made, please contact Town staff for more information.
4. Is the Accessory Dwelling Unit proposed inside of an existing structure? Planning Review is likely not required See Below
5. Is the Accessory Dwelling Unit proposed in an accessory structure?    
5a. Does the accessory structure comply with setback regulations?
Setbacks for R-1 zoning designations are 20 feet from the front, 20 feet from the rear, 8 feet from an interior side, and 12 feet from a street side.
Planning Review is likely not required A Use Permit is required from the Planning Commission
5b. Is the accessory structure a single story (maximum of 14 feet high)? Planning Review is likely not required A Use Permit is required from the Planning Commission
6. Is the Accessory Dwelling Unit proposed in a converted garage area?
The Town Council is considering rules that will allow replacement parking in setbacks subject to Design Review.
The parking must be replaced with parking spaces that meet setback and size regulations. Please see Town development standards or contact Town Staff. Planning Review is likely not required
7. Is the Accessory Dwelling Unit less than 800 square feet and not more than 50 percent of the living area of the primary dwelling unit? Planning Review is likely not required A Use Permit is required from the Planning Commission
8. Does the Accessory Dwelling Unit have two bedrooms or less? Planning Review is likely not required A Use Permit is required from the Planning Commission