The Missing Middle Housing Bill (WA House Bill 1782 in 2022) was much debated and amended in the Local Government Committee, passed Appropriations and paused in House Rules. Seattle Fair Growth brings you this Fact Sheet because the prime sponsor says it will “come back stronger” in 2023 without any of the 17 amendments. Therefore we’ve based this on the original bill.
Please do not sponsor or endorse any Missing Middle Housing bill unless it includes anti-displacement provisions and subsidies for low-income rental housing below 50% of Area Median Income.
(1)(a) Any city with a population of 20,000 or more …must provide by ordinance and incorporate into its development …zoning regulations… authorization for the development of all middle housing types on all lots zoned for detached single-family residential use and within one-half mile of a major transit stop.
[ In other words, allow six-plexes, townhouses, and flats just like Seattle’s revised LR2 lowrise residential zoning ]
(b)(i) Such cities must also allow development of duplexes, triplexes, and fourplexes on all other lots zoned for single-family residential use.
(b)(ii) As an alternative to the requirements of this subsection
(1)(b): (A) Any city with a population of 500,000 or more may alter local zoning to allow an average minimum density equivalent to 40 dwelling units or more per gross acre across the entirety of the city's urban growth area.
[ In other words, 40 units per acre is roughly 5 townhouses on a 6,000 sq. ft. lot., just like Seattle’s recently revised LR1 lowrise residential zoning ]