Inferred Project · confidence 50
Addition at 9221 ALVIN PL NW
9221 ALVIN PL NW, Seattle, WA · Other SeattleSummary
1
Permits
$150,000
Est. value
Sep 8, 2025
First activity
Sep 8, 2025
Latest activity
Allow a detached accessory dwelling unit per the land use code. Construct addition and substantial alterations for DADU per plans.
Review timeline
244
Applicant correction days
3
Review cycles
Plan-review metrics aggregated across this project's permits, from Seattle DCI. "City control days" is total plan-review days minus the days applicants held permits for corrections.
Permit records (1)
| Permit | Type | Value | Status | Date |
|---|---|---|---|---|
| 6998433-CN | residential | $150,000 | new | Sep 8, 2025 |
Participants
No participants on record.
About this project
This project was inferred by grouping related permits at the same address. Confidence score 50/100 reflects how strongly the permits appear to belong to a single effort.