Detached ADU (DADU) Permits in Everett

Everett sets an ADU's valuation at $193 a square foot and prices the building permit on it: $818.75 plus $21.75 for each $1,000 over $25,000 up to $50,000, $1,362.50 plus $20.75 for each $1,000 over $50,000 up to $100,000, and $2,400 plus $8.75 for each $1,000 over $100,000 up to $500,000. Plan review adds 75% of that fee and Planning's review 10%, plus the $6.50 state building code fee. For a new dwelling unit the mechanical permit is the $130 base fee plus $60 for up to 1,000 square feet of conditioned floor space or $90 up to 2,000; plumbing is $130 plus $20 for each fixture; and the City's electrical permit is $100 under 1,000 square feet or $150 up to 2,000. The transportation impact fee for an ADU is $3,115, but a net increase of one ADU triggers none; ADUs pay no school impact fee; the parks impact fee ($1,133 for a studio or one bedroom, $2,268 for two, $3,401 for three or more) is halved for one or two ADUs added to a lot whose house stays. Where the ADU takes a new 3/4-inch City water meter, water and sewer system development fees are $9,433 ($5,159 water, $4,274 sewer), and new impervious area pays $0.3624 a square foot in stormwater system development fees.