Index plan check and resubmittal guide

What we could verify about the Town of Index’s permit office from government and permit portal pages, what Washington law says about plan check there, and how to answer a correction letter. Each fact links to its source.

The Town of Index permit office

Links and facts checked on October 28, 2026.

Codes its letters cite

Building code named on the city’s pages: 2021 Code Editions and Amendments Effective March 15, 2024.

Source: sbcc.wa.gov

Local amendments to the building code

Any city or county may amend the state building code; amendments that affect houses and apartments need State Building Code Council approval first.

Source: app.leg.wa.gov

Index and Snohomish County

Index is in Snohomish County. See the Snohomish County guide.

Washington rules every plan check here follows

These come from Washington law and state agencies, so they apply in Index as well. Each links to its source.

Building code in force

Washington's current building code is based on the 2021 model codes and took effect on March 15, 2024.

Source: Washington State Building Code Council, checked October 31, 2026

Next edition

The next update, based on the 2024 codes, is scheduled to take effect on May 3, 2027.

Source: Washington State Building Code Council, checked October 31, 2026

Local amendments

A city or county may change the state code for its own area, but its changes cannot weaken the code's minimum standards.

Source: Washington State Legislature, RCW 19.27.040, checked October 31, 2026

Rules are locked in when you apply

A complete building permit application is reviewed under the building and zoning rules that were in effect on the date it was filed.

Source: Washington State Legislature, RCW 19.27.095, checked October 31, 2026

What a good response to plan check corrections has

General guidance, not the Town of Index’s own rules. Check its page before you resubmit.

Other Washington city guides

How we help

Send us the whole correction letter. We draft a response to every comment and list the drawing changes sheet by sheet. Your first letter is free. You review each response, then you sign and submit to the Town of Index yourself.

Cleared to Build is an independent service. We are not the Town of Index and are not affiliated with it.

Upload your correction letter

Only one comment to answer? Try the free one-comment tool.

Questions

How do I respond to Index’s plan check corrections?

In general, answer every comment in a response letter that says what changed and on which sheet, then resubmit the revised drawings the way the Town of Index asks. Check its own instructions first.

What should a resubmittal to Index include?

In general: a response letter answering each comment, the revised drawings with changes marked, and any new calculations or reports the comments ask for. The Town of Index may ask for more, so check with it before you send.

How long does Index take to review a resubmittal?

Review times change with workload. Ask the building department at (360) 793-2488.

Whom do I ask about Index’s plan check corrections?

Call the building department at (360) 793-2488. For a question about one comment, ask for the reviewer named on the letter.

Does Index charge for another plan review?

This guide doesn’t list fees. Ask the building department at (360) 793-2488 before you resubmit.

How many rounds of corrections can Index send?

This guide doesn’t list a limit. Answering every comment fully the first time is the surest way to fewer rounds; ask the building department at (360) 793-2488 if unsure.

Is Cleared to Build part of the Town of Index?

No. Cleared to Build is an independent service, not affiliated with the Town of Index or any permitting agency. You submit to the city yourself.