Rules for ZIP Code 98010
Black Diamond, WA · King County
ZIP 98010 is governed by the city of Black Diamond, WA. We do not hold its code yet, and King County ordinances do not apply inside its limits.
ZIP code 98010 lies in the city of Black Diamond, WA, which holds about 79% of the ZIP's residents and writes its own local code. We have not added Black Diamond's ordinances yet, so nothing is shown below: King County rules govern only unincorporated land and do not reach inside Black Diamond.
ZIP codes do not follow city lines. 98010 also covers:
- unincorporated King County~19% of residents
Shares are estimates from 2020 Census geography. If your address is in one of these, its rules apply instead.
Each topic below links to the full ordinance breakdown with specific code sections, fine amounts, and answers to common questions. The data is sourced from the official municipal code and verified by our editorial team.
Black Diamond is not covered yet
The city of Black Diamond writes its own code; the county's rules do not apply inside it.Request Black Diamond coverage →
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