Metric · Permit Timeline · Coming Q4 2026

Permit timeline, coming Q4 2026.

Median days from ADU permit submission to municipal approval per state and top-25 counties by ADU permit volume.

› What launches October 8, 2026

Data-source discipline before publication.

PERCH Index publishes only what we can defend. This metric is in build — no number appears on this page until every source is live, every sample-size floor is enforced, and Cameron signs the release. That's the discipline.

Data sources being wired:

Public county ArcGIS REST feature services (permit databases)
PERCH-network builder self-reported permit dates
Buyer intake data where permit dates were captured

The first full release ships alongside the Q3 2026 quarterly report on October 8, 2026. Subscribe below to hear the moment it goes live.

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