Skip to main content
CityRuleLookup
🌍 Environmental Rules/Stormwater Management

Bellevue vs Kirkland

How do stormwater management rules compare between Bellevue, WA and Kirkland, WA?

Bellevue and Kirkland have similar restriction levels.

Bellevue, WA

King County

Heavy Restrictions

Bellevue stormwater rules under BCC 24.06 and LUC 20.25H require flow control and water-quality treatment for new or modified impervious surfaces, with illicit-discharge enforcement.

View full Bellevue rules →

Kirkland, WA

King County

Heavy Restrictions

Kirkland follows the Department of Ecology Western Washington Stormwater Manual through KMC Chapter 15 and 115 surface water code, requiring runoff control for new and redeveloped sites.

View full Kirkland rules →

Key Facts Comparison

FactBellevueKirkland
--
Code-KMC 15 + Title 115
Manual-Ecology Western WA Stormwater
Trigger-2,000 sq ft impervious
LID Required-Where feasible
Hotline-(425) 587-3800

Highlighted rows indicate differences between cities.

Bellevue FAQ

Kirkland FAQ

Do I need stormwater review for a new driveway?

Replacing or expanding impervious surface over the code threshold triggers Kirkland stormwater minimum requirements and often a simplified small-parcel plan set.

Can I wash my car in the driveway?

Occasional residential car washing is allowed, but soapy runoff should be directed to landscaped areas. Commercial washing and fundraisers must use approved capture kits.

Want to add a third city?

Use our full comparison tool to compare up to three cities.

Open Comparison Tool