Sammamish Unified Development Code

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21.07.100 Affordable Housing A. Purpose and intent

B. Basic density provisions

1. Baseline Affordable Housing.

In any residential development (e.g., multiple-family developments (rental or ownership), single-family subdivisions, mixed-use developments) not less than 10 percent of the allocated residential density dwelling units pursuant to SDC 21.07.050C. must be affordable housing units. The affordable housing units will have occupancy requirements and affordability levels as defined in SDC 21.07.100F. For any site, this requirement applies to the residential units provided up to the base number of allowed units. No additional residential or commercial density beyond the base number of allowed units will be provided to meet this 10 percent affordable unit requirement. Those projects providing additional affordable units may receive additional density as provided in subsection 3. of this section, Residential Bonus Units/Additional Affordable Housing, and as provided for in SDC 21.07.050D. (Note that in some cases, applicants may receive additional residential unit allocations based on TDR purchases and/or site amenities. This program is intended to increase the actual supply of affordable housing, so the primary objective is to obtain housing units within the development in preference to an alternative approach, except as otherwise provided for in SDC 21.07.100D.

The incentives and regulations offered in this chapter are used by the City as one means of meeting its commitment to encourage housing affordable to all economic groups, and to meet its regional share of affordable housing requirements. The purpose of this section is to: 1. Implement through regulations the responsibility of the City under state law to provide for housing opportunities for all economic segments of the community, 2. Help address the shortage of housing in the City for persons of low- and moderate-income, 3. Preserve land for affordable housing as the City continues to grow, 4. Promote development of housing that would not otherwise be built in the City, 5. Create affordable housing opportunities as a result of increased development capacity in the Town Center planning area, 6. Offer additional incentives to encourage construction of affordable housing units in Town Center; and 7. Encourage developments that include affordable housing and that combine local incentives provided by the City with resources available from other public and private sources.

2. Affordable Housing Units and Allocated Residential Density.

Required affordable housing units pursuant to subsection 1. of this section shall be counted as one-half a dwelling unit for the purpose of calculating allocated residential

Effective | January 1, 2022

Title 21: Sammamish Development Code | 555

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