Bellevue, WA Swimming Pools & Spas: Fencing & Safety Requirements (2026)
Key Facts
- Applies to
- All outdoor pools, spas, hot tubs
- Standard
- IBC §3109.1 or ISPSC §305, WA-amended
- Grandfather rule
- Pre-IBC pools keep original enclosure
- Governing code
- BCC 23.16.010
- In force since
- 1961 code § 16.24.010
- Enforcement
- Building official, BCC 23.05.170
Summary
Bellevue requires every outdoor swimming pool, spa and hot tub, new or existing, to have a barrier meeting the state-amended 2021 International Building Code Section 3109.1 or the 2021 International Swimming Pool and Spa Code Section 305, whichever governs the structure it serves. Older pools can keep the enclosure that met the code in effect when they were built.
The following requirements shall apply to all outdoor swimming pools, spas and hot tubs heretofore or hereafter constructed or presently under construction within the city. Each such pool, spa, or hot tub shall be designed per the 2021 International Building Code Section 3109.1 when applicable, as amended by the State of Washington, or Section 305 of the 2021 International Swimming Pool and Spa Code, as amended by the state of Washington, whichever shall apply to the primary use and structure with which the pool, spa, or hot tub is associated. Exception: Any outdoor swimming pool, spa or hot tub which was constructed prior to adoption of the International Building Code or the International Residential Code under Chapter 23.10 or 23.11 BCC need not comply with the terms of this section if such swimming pool, hot tub or spa is enclosed with a pool or yard fence which complies with the applicable Bellevue City Code provision regarding pool, spa, or hot tub enclosures which was in effect at the time the enclosure was constructed.
Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 6929, passed July 14, 2026).
Full Breakdown
010) and has been re-adopted through a long chain of amendments, most recently Ordinance 6781, Section 9 (2024), with earlier revisions in 2020, 2016, 2013, 2010, 2007, 2004, 1998, 1995, 1992 and 1989. 1 or, alternatively, Section 305 of the state-amended 2021 International Swimming Pool and Spa Code, with the applicable standard determined by the primary structure the pool serves. The section carries one grandfathering exception: a pool, spa or hot tub built before Bellevue adopted the IBC or IRC does not have to retrofit to the current barrier standard if it is enclosed with a pool or yard fence that complied with whatever Bellevue ordinance governed enclosures at the time that fence was built. 05, alongside the rest of the construction code chapters.
Violations & Fines
Noncompliance with the pool barrier standard is enforced by the Bellevue building official under BCC 23.05.170: an unenclosed or noncompliant pool is a civil violation under Chapter 1.18 BCC carrying a monetary penalty, and the responsible owner can additionally be charged with a misdemeanor under the Bellevue Criminal Code, Title 10 BCC, for continuing noncompliance after notice.
Frequently Asked Questions
Does Bellevue require a fence around a residential pool?
Can I keep an old pool fence that doesn't meet current code?
Who enforces Bellevue's pool barrier rule?
Sources & Official References
Other rules in Bellevue
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