23.58C.040
Affordable housing—Payment option
Seattle Municipal Code · Seattle Mun. Code § 23.58C.040
Corpus is an independent public-information project, not the official City of Seattle website. Stable reference URL
A. Payment amount 1. An applicant complying with this Chapter 23.58C through the payment option shall provide a cash contribution to the City, calculated by multiplying the payment calculation amount per square foot according to Table A or Table B for 23.58C.040 and Map A for 23.58C.050, as applicable, by the total gross floor area in the development, excluding the floor area of parking located in stories, or portions of stories, that are underground, excluding the floor area contained in any accessory dwelling units, and excluding any floor area devoted to a domestic violence shelter, as follows: a. In the case of construction of a new structure, the gross floor area in residential use and the gross floor area of live-work units; b. In the case of construction of an addition to an existing structure that results in an increase in the total number of units within the structure, the gross floor area in residential use and the gross floor area of live-work units in the addition; c. In the case of alterations within an existing structure that result in an increase in the total number of units within the structure, the gross floor area calculated by dividing the total gross floor area in residential use and gross floor area of live-work units by the total number of units in the proposed development, and multiplying that quotient by the net increase in units in the development; d. In the case of change of use that results in an increase in the total number of units, the gross floor area that changed to residential use or live-work units; or e. Any combination of the above. Table A for 23.58C.040 Payment calculation amounts: In Downtown, SM-SLU, SM-U 85, and SM-NG zones Zone Payment calculation amount per square foot DH1/45 Not applicable DH2/55 Not applicable DH2/75 $16.85 DH2/85 Not applicable DMC 75 $16.85 DMC 85/75-170 $27.42 DMC 95 $16.85 DMC 145 $15.95 DMC 170 $7.27 DMC 240/290-440 $10.90 DMC 340/290-440 $10.90 DMR/C 75/75-95 $27.42 DMR/C 75/75-170 $27.42 DMR/C 95/75 $16.85 DMR/C 145/75 $13.53 DMR/C 280/125 $15.95 DMR/R 95/65 $16.85 DMR/R 145/65 $13.53 DMR/R 280/65 $15.95 DOC1 U/450-U $15.86 DOC2 500/300-550 $13.55 DRC 85-170 $13.22 IDM-65-150 Not applicable IDM-75-85 Not applicable IDM 85/85-170 $27.42 IDM 165/85-170 $27.42 All IDR and IDR/C zones $27.42 PMM-85 Not applicable All PSM zones Not applicable SM-NG 145 $16.04 SM-NG 240 $24.21 SM-SLU 85/65-160 Not applicable SM-SLU 85-280 $13.22 SM-SLU 100/95 $9.91 SM-SLU 100/65-145 $10.24 SM-SLU 145 $10.24 SM-SLU 175/85-280 $13.22 SM-SLU 240/125-440 $13.22 SM-SLU/R 65/95 $16.85 SM-U 85 $17.51 Table B for 23.58C.040 Payment calculation amounts: Outside Downtown, SM-SLU, SM-U 85, and SM-NG zones Zone Payment calculation amount per square foot Low Medium High Zones with an (M) suffix $9.25 $17.25 $27.42 Zones with an (M1) suffix $14.87 $26.43 $39.31 Zones with an (M2) suffix $16.52 $29.40 $43.28 2. Automatic adjustments to payment amounts. The amounts for payment calculations according to Table A and Table B for 23.58C.040 shall automatically adjust annually on March 1, starting in 2024, by an amount in proportion to the increase, if any, for January 1 through December 31 of the prior calendar year, in the Consumer Price Index, All Urban Consumers, Seattle-Tacoma-Bellevue, WA, Shelter (1982-84=100), as determined by the U.S. Department of Labor, Bureau of Labor Statistics, or successor index. B. Use of cash contributions 1. The Director of Housing shall be authorized to accept all cash contributions on behalf of the City. Cash contributions shall be deposited by the Director of Housing in a special account and shall be used for purposes authorized by RCW 36.70A.540. Earnings on balances in the special account shall accrue to that account. At least five percent of total cash contributions on a yearly basis shall be dedicated to support ownership housing. 2. Income levels a. Rental housing supported by cash contributions shall be rent- and income-restricted to serve households with incomes no greater than 60 percent of median income for a minimum period of 50 years, with an expectation of ongoing affordability. b. Ownership housing supported by cash contributions shall be priced to serve and sold to households with incomes no greater than 80 percent of median income for a minimum period of 50 years, with an expectation of ongoing affordability. 3. Location. For purposes of determining the location for use of cash contributions, the City shall consider the extent to which the housing supported by cash contributions advances the following factors: a. Affirmatively furthering fair housing choice; b. Locating within a regional center or urban center; c. Locating in proximity to frequent bus service or current or planned light rail or streetcar stops; d. Furthering City policies to promote economic opportunity and community development and addressing the needs of communities vulnerable to displacement; and e. Locating near developments that generate cash contributions. (Ord. 127376 , § 65, 2025; Ord. 127375 , § 97, 2025; Ord. 126855 , § 55, 2023; Ord. 126157 , § 46, 2020; Ord. 125792 , § 10, 2019; Ord. 125791 , § 96, 2019; Ord. 125371 , § 19, 2017; Ord. 125360 , § 3, 2017; Ord. 125291 , § 43, 2017; Ord. 125267 , § 33, 2017; Ord. 125108 , § 4, 2016.)