Snohomish County, Washington
Town of Index is a town in Snohomish County, Washington. Town of Index adopts its own zoning, so inside its limits Town of Index’s rules apply, not the county’s. 6 rules below are quoted from official sources and independently re-checked, most recently on October 24, 2026. Rules for unincorporated land are on the Snohomish County page.
Buildings regulated by the Town of Index inside town limits.
International Building Code edition: 2021 (With Washington amendments and future state enactments and amendments.) · International Residential Code edition: 2021 (With Washington amendments and future state enactments and amendments.)
“Pursuant to RCW 19.27.031, the following codes of technical regulations are adopted by this reference as if fully set forth, subject to the modifications or amendments set forth in this chapter:”
Land inside Index town limits.
“Title 17 Zoning [...] Residential uses are permitted throughout the town of Index and in combination with other land uses; provided, that the goals of the Index comprehensive plan are met.”
Land inside Index town limits.
“Chapter 17.16 NEIGHBORHOOD RESIDENTIAL CLASSIFICATION [...] Chapter 17.20 LIGHT INDUSTRIAL CLASSIFICATION [...] Chapter 17.24 COMMERCIAL ZONE CLASSIFICATION”
Subdivision proposals inside Index town limits.
“The following development permits are subject to town council review, including a public hearing (unless otherwise noted) and final decision: [...] Preliminary plat applications.”
Development-project permit applications inside Index town limits.
“The town council is authorized to adopt and establish a fee schedule by resolution for town costs in reviewing and processing all permit application covered by this chapter. In addition, all development permit applicants shall be responsible for reimbursing the town for its consultant costs in reviewing development permits as follows:”
Development-project permits administered by Index inside town limits.
initial completeness determination: <= 28 days (After development permit application submission.) · final decision: <= 120 days (After permit is deemed complete; may be tolled as stated in § 14.04.060(B).)
“The town shall have a maximum of twenty-eight (28) days after a development permit application is submitted to determine whether it is complete. If it is deemed incomplete, the town shall have an additional fourteen (14) days upon resubmission to determine if the application is complete. After a permit is deemed complete, the town shall have one hundred twenty (120) days to issue a final decision.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Index or Snohomish County directly.
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Town of Index publishes no rule on the point, not that none exists. Snohomish County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Index means bringing your own water and power. The kit we’d start with:
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