PERMIT #6998433-CN
9221 Alvin Pl NW
newAllow a detached accessory dwelling unit per the land use code. Construct addition and substantial alterations for DADU at 9221 Alvin Pl NW in Other Seattle, Seattle. Permit 6998433-CN is new, valued at $150,000.
Permit Timeline & Status
Construction Permit Timeline
Applied
September 8, 2025
In Review
3 cycles
Issued
—
Completed
—
Expires
—
244
Days in Applicant Control
3
Review Cycles
In City review — awaiting the next action.
Plan-review data from Seattle DCI. “City control” is total plan-review days minus the days the applicant held the permit for corrections.
Explore This Record
9221 ALVIN PL NW, Seattle, WA Property
Other Seattle Neighborhood
Project Overview
Project Details
Value
$150,000
Type
Residential Construction
Issued
N/A
Location
Other Seattle
Contractor Information
Contractor
Not published by SDCI
Location & Map
Project Description
Allow a detached accessory dwelling unit per the land use code. Construct addition and substantial alterations for DADU per plans.
Additional Details
Permit Intelligence
Housing category
Single-Family Add/Alt
Review level
Full +
Primary use
Single Family/Duplex
Parcel
DV0050376
Review cycles
3
Days in corrections
244
Units added
1
Units removed
0