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posted 06/26/02
The county's Accessory Dwelling Units Analysis report, compiled in response to a moratorium on guesthouse construction, was released June 19, 2002. According to the 78-page report, most of the ADUs function as "true guesthouses". 16.7 percent of the 6,569 residentially developed non-urban parcels have ADUs.
The Growth Management Hearings Board considered the county’s previous analysis of
the impacts of ADUs on rural character and density in rural areas and resource lands inadequate. The county hired a consultant to write a new report with updated data.
The report concludes:
Rental of accessory apartments and dwellings also provides a valuable supplemental source of
income for some families. Both long- and short-term rentals contribute to this supplemental
income.
A wide range of environmental effects and potential effects associated with ADU development
and with the long- or short-term rental of these units were examined and discussed in the report.
With the existing comprehensive plan policies and development regulations for ADUs in place,
these effects were all found to be nonsignificant.
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Tenative timeline
June 19 - July 19
draft ADU Report available for Public Comment
July 31
final ADU Report available
Aug. 14 - Sept. 3
SEPA comment and appeal periods
September 27
Planning Commission public hearing re ADUs
October 22
Board of County Commissioners public hearing re ADUs
October - November
Public hearings for Planning Commission and BOCC re Docket
December 12
Adoption of ADU and Docket ordinances
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Currently the following performance and use-specific standards for ADUs are in place:
- Ownership of the principal residence and the ADU is not separable;
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A maximum of 1,000 square feet of livable area;
- Each ADU should be served by the same driveway, water supply, and sewage disposal
system as the principal residence, unless otherwise approved
- One additional off-street parking space provided for the ADU;
- Construction-type permits are required;
- If used as a transient rental a land-use permit is required;
- If used as a transient rental and there is both a principal residence and an ADU, owner or long-term lessee must reside on the premises.
The report lists nine categories of potential additional responsive measures.
- Reduce the maximum ADU size
- Limit the percentage of ADUs by district per
island
- Limit the number or percent of new ADUs that can
be constructed each year
- Apply District-Specific or ADU-Type-Specific
- Development Standards or Prohibitions
- Require Residential Density Units for ADU
Developmentbr>
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Minimum parcel size requirements for ADUs
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Site-specific environmental/infrastructure review and
requirements
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Limit occupancy or rental requirements of ADUs
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Administrative and Procedural Changes
Comments will be accepted through July 19, 2002. can be sent to
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