# \#permitting

**URL:** https://forums.firespeaking.com/tag/permitting/7.md

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## [Unique Challenge for Custom Masonry Heaters in Washington State](https://forums.firespeaking.com/t/unique-challenge-for-custom-masonry-heaters-in-washington-state/294)

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**Author:** [@max](https://forums.firespeaking.com/u/max)\
**Replies:** 0\
**Last updated:** [May 9, 2025, 11:08pm UTC](https://forums.firespeaking.com/t/unique-challenge-for-custom-masonry-heaters-in-washington-state/294 "2025-05-09T23:08:50Z")

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This week I was reminded of some unique legislation in Washington State that prohibits the construction of custom masonry heaters. WAC 173-433-100 requires masonry heaters be emissions tested in order to be sold. Here …