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Environmental Rules

Kent's Environmental Rules: The Rules That Matter

By CityRuleLookup Editorial Team

Every city handles environmental rules a little differently. In Kent, Washington, there are 5 distinct rules that residents and property owners should be aware of. Some are stricter than what neighboring cities enforce, and others are more relaxed. Here is what you need to know.

Flood Elevation Requirements

Kent requires new construction and substantial improvements in special flood hazard areas to elevate the lowest floor to the flood protection elevation, defined as two feet above base flood elevation, or three feet for critical facilities.

Key details: Standard elevation buffer: 2 feet above base flood elevation. Critical facility buffer: 3 feet above base flood elevation. Administering department: Economic and Community Development. Flood data source: FEMA FIS for King County, 8/19/2020. Enclosed area opening rule: 1 sq in per sq ft, 2+ openings.

A structure or development lacking the required elevation certificate or other compliance documentation is presumed to be in violation under KCC 14.09.020(KK) until documentation is provided. Noncompliant construction in a special flood hazard area is subject to the chapter's floodplain management enforcement, which can require correction before occupancy or use.

Flood Zones

Kent requires a flood zone development permit (REFZ) before any construction, substantial improvement, or manufactured home placement within a special flood hazard area under KCC Chapter 14.09. New residential structures must have their lowest floor elevated to the flood protection elevation, two feet above the base flood elevation, three feet for critical facilities.

Key details: Permit required: REFZ permit before any flood-zone construction. Elevation standard: Lowest floor 2 ft above base flood elevation. Critical facilities: 3 feet above base flood elevation. Administrator: Economic and community development director. Penalty: Class 1 civil infraction, RCW 7.80.120.

Violating Chapter 14.09 is enforceable under KCC 14.09.180: the city may issue a class 1 civil infraction under RCW 7.80.120, filed in Kent Municipal Court, and separately bills the violator for all city costs incurred investigating the violation. That cost invoice must be paid, mitigated, or contested before the hearing examiner within 14 calendar days of service; failing to pay a valid or mitigated invoice is itself a separate civil infraction. The city may also issue a stop-work or stop-use order under KCC 1.04.090 through 1.04.110, and each day a violation continues counts as a separate violation.

This is one of the stricter rules in Kent's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.

Boat Dock Permits

Kent's critical areas code bars building a dock, deck, or other structure inside the buffer around any regulated lake, river, stream, or pond unless the shoreline master program or a listed exception applies. KCC 11.06.690(H) requires the work to be mitigated and reviewed through a critical area report.

Key details: Governing section: KCC 11.06.690(H). Default rule: No docks or structures in regulated buffers. Path to build: Shoreline master program or listed exception. Extra requirement: Mitigation via critical area report. Related permit: Shoreline substantial development permit, Ch. 90.58 RCW.

Building a dock or other structure within a regulated lake, river, stream, or pond buffer without an approved exception or shoreline permit violates KCC 11.06.690(H) and is enforced through the city's critical areas and code enforcement provisions, which can require removal of the unpermitted structure and mitigation of any buffer damage before further permits are issued.

Compared to other cities, Kent takes a harder line on boat dock permits. The enforcement and penalty structure reflects that.

Stormwater Management

Kent requires a permit before anyone constructs, installs, modifies or places any storm or surface water drainage structure in the city under KCC 7.05.070, with all systems built to the Kent Surface Water Design Manual and subject to public works inspection.

Key details: Permit required: Before any drainage construction or modification. Design standard: Kent Surface Water Design Manual. Invoice response window: 14 calendar days. Civil infraction class: Class 1, RCW 7.80.120. Repeat/knowing violation: Gross misdemeanor.

KCC 7.05.200 allows the city to bill full cost recovery for a violation, giving the responsible person 14 calendar days to pay, contest, or seek mitigation before the hearing examiner. Separately, a violation may be a class 1 civil infraction under RCW 7.80.120, filed in Kent municipal court, plus civil code enforcement including a stop-work order. Negligent violations are a misdemeanor; knowing or repeated violations are a gross misdemeanor, and the director may also seek revocation of the violator's business license.

Erosion Control

Kent adopts Appendix J of the International Building Code, the grading and erosion-control appendix, and puts the city's public works director in charge of enforcing it instead of the building official. KCC 14.01.030(A) also adopts Appendices C and E, and every storm and surface water system built during construction must meet the Kent Surface Water Design Manual.

Key details: Governing section: KCC 14.01.030(A), IBC Appendix J adoption. Enforcing official: Public works director, not building official. Design standard: Kent Surface Water Design Manual (KCC 7.05.060). Permit required: Public works permit before construction (KCC 7.05.070). Stop work penalty: Misdemeanor: up to 90 days, $1,000 fine.

Grading without the required permit, or work that does not follow Appendix J and the Surface Water Design Manual, is enforced under Chapter 1.04 KCC. The code enforcement officer can issue a stop work order under KCC 1.04.090; violating that order is a misdemeanor punishable by up to 90 days in jail, a $1,000 fine, or both. The hearing examiner may also impose a $500 monetary penalty per violation, with each day of continued noncompliance counted separately, reducible to $100 only through the mitigation hearing process.

The Bottom Line

Kent is tougher than many cities when it comes to environmental rules. Out of the 5 rules covered here, 2 are rated strict. If you are a homeowner, renter, or business owner in Kent, take the time to understand these requirements before they become a problem. Most violations come with fines, and some repeat violations can escalate.

All of the above reflects Kent's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.