Getting a plan check correction letter back from the building department is a normal part of the permit process. It does not mean the application was poorly prepared, though a well-prepared application results in fewer corrections. What matters is how the response is handled. A complete, well-organized correction response moves through re-review quickly. An incomplete one generates another correction round.
What Plan Check Corrections Are
When a building department plan checker reviews a permit application, they mark any item that requires clarification, documentation, or a design change. These items are compiled into a correction letter and returned to the applicant. The applicant must address every item before the permit can be approved.
Correction letters vary significantly in format and specificity across jurisdictions. Some departments issue detailed, annotated PDF markups with each correction linked to a specific code section. Others issue numbered lists with brief descriptions. Some corrections require a simple note added to the drawings. Others require a design change, a new calculation, or supplemental documentation from a licensed engineer.
Reading the Correction Letter
The first step is to read the entire letter and categorize each correction by what it requires:
Drawing revisions. Corrections that require changes to specific sheets. These might be dimensional clarifications, notation additions, missing details, or design changes.
Supplemental documentation. Corrections that require additional documents not originally submitted, such as structural calculations, a soils report, a Title 24 update, or a CalGreen worksheet.
Code clarifications. Corrections that ask the applicant to demonstrate compliance with a specific code section. The response might be a letter, a calculation, or an added note on the drawings.
Design issues. Corrections that require an actual design change because the proposed design does not comply with code. These are the most time-consuming to address because they may require redesign before the drawings can be updated.
What a Proper Correction Response Looks Like
A well-organized plan check correction response has three components.
Revised Drawings with Clouded Revisions
Every change made to the drawings in response to corrections should be indicated with a revision cloud, a triangle with a revision number, and a revision date added to the title block. Revision clouds show the plan checker exactly what changed between the original submittal and the revised set, so they do not have to re-review the entire set from scratch.
Using revision clouds consistently and accurately significantly accelerates re-review. A plan checker looking at a revised set of 30 sheets can move through it in a fraction of the time when every change is clearly marked.
Formal Response Letter
A correction response letter lists each correction item and describes how it was addressed. The format is typically a numbered list that mirrors the correction letter:
Correction 1: [Quote the correction verbatim] Response: [Describe what was done in response, reference the specific sheet and detail number]
The letter should be specific. "Revised per comment" is not a useful response. "Added dimension string to floor plan, Sheet A2.1, and updated window schedule on Sheet A5.0 to include header height" gives the plan checker exactly what to look for.
Updated Supplemental Documentation
If the corrections require updated structural calculations, a revised Title 24 report, or other supplemental documentation, those documents need to be resubmitted with the revised drawing package. Include a transmittal that lists every document in the resubmittal package.
Common Mistakes in Correction Responses
Addressing corrections partially. Each correction item needs a complete response. If a correction has three sub-items, all three need to be addressed. Partial responses generate another correction round.
Missing revision clouds. Submitting revised drawings without revision clouds forces the plan checker to re-read the entire set to find the changes. This slows re-review and increases the chance of a missed correction being issued again.
Not responding to all corrections. Some correction letters are long. It is easy to miss an item buried in the middle of a 15-item list. The response letter should have an entry for every numbered correction, even if the response is brief.
Making undocumented changes. Any revision to the drawings beyond the specific corrections addressed should be either explicitly noted in the response letter or avoided entirely. Unexplained changes that appear in the revised set can generate new corrections.
How Long Re-Review Takes
Re-review timelines vary by jurisdiction. Most departments give re-submittals some priority over new applications, but the actual timeline depends on staffing. As a general rule, a complete correction response with well-organized revision clouds re-reviews faster than an incomplete one regardless of department backlog.
Some jurisdictions allow over-the-counter correction response review for straightforward items. If that option is available, it can accelerate the timeline significantly.
How CADTRI Handles Correction Responses
CADTRI prepares plan check correction responses as part of our standard project scope. We review the correction letter, revise the drawings with properly clouded revisions, and prepare a formal response letter addressing every item. The resubmittal package is organized for efficient re-review, with a transmittal listing every document included.
If you have a correction letter that needs a response, contact us with the letter and the original drawing package and we will confirm scope and timeline.