Council adopts code changes to align with state law on ADUs, variances and fireworks
Summary
Ordinance 815, a package of code updates required by state law, passed final adoption. Changes include new ADU provisions, revised board of adjustment variance procedures, and alignment of fireworks regulation dates with state law.
The council adopted Ordinance 815 on final passage, updating Grimes’ zoning and development code to reflect recent state code changes and to clarify local procedures.
Alex, a city staff member, said the amendments address petition and consent requirements for rezonings, split the variance process at the board of adjustment depending on whether the variance is numerical, and add opportunities for accessory dwelling units consistent with state code. "We're now required to provide opportunities for accessory dwelling units," Alex said, and staff incorporated those provisions into the city code while allowing detached ADUs to have a 10‑foot setback rather than following the principal yard setback.
The package also aligns city fireworks rules with state law and keeps the city’s July 2 provision in place. Staff said public‑safety partners provided call‑volume data that showed minimal activity on the regulated days. Council moved and seconded the ordinance and it passed on final reading.
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