Block Walls in Shelley
Shelley's building and safety page lists fences, then widens the list. It says, "Please be aware that building permits are required for roofing, fences, demolition, signs, sheds, decks, and solar panels, as well as any other structural projects." It does not mention a block wall, so this site states no wall rule for Shelley.
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Permits and the City of Shelley rules
The City of Shelley's Building & Safety Department page says building permits are required for fences and any other structural projects. It does not mention a block wall, and we do not say a permit is or is not needed for one.
Source: City of Shelley, Building & Safety Department page (read October 8, 2026) — confirm current requirements with the City of Shelley.
Block Walls around Shelley
The page (read October 8, 2026) lists the 2018 International Residential Code and the 2018 International Building Code as the codes the City has adopted, says they are subject to local amendments, and says to contact the building department for specific amended codes. It adds, "Please review the City Code for information regarding your project." It does not mention a block wall.
The page does not mention a block wall, so what follows is our inference, not a rule: the sentence ends with "any other structural projects", so a block wall may fall under it whether or not it counts as a fence; the page sends readers to the City Code and to the building department for the specifics. We say nothing about any lot.

Our Shelley service area
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See all Block Walls in Idaho Falls. We also work in Idaho Falls and the other places we list. The statement above is the City of Shelley's alone; no rule is borrowed from any other place. The City of Idaho Falls' own pages are set out on these pages: the City's building permit text, inspections before work and codes and documents listed. Source: City of Shelley, Building & Safety Department page (read October 8, 2026).
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