PERMIT #7077269-CN
4409 California Ave SW, Seattle, WA
newAT&T WA6284 Alaska Street - LTE 1C RRH Swap Construct alterations to portion of a rooftop minor communications facility at 4409 California Ave SW, Seattle, WA in West Seattle, Seattle. Permit 7077269-CN is new, valued at $25,000. Work is being performed by MASTEC NETWORK SOLUTIONS INC.
Permit Timeline & Status
Construction Permit Timeline
Applied
April 27, 2026
In Review
2 cycles
Reviews Done
May 22, 2026
Ready to Issue
May 26, 2026
Issued
—
Completed
—
Expires
—
25
Plan Review Days — Total
16
Plan Review Days — City Control
9
Days in Applicant Control
2
Review Cycles
Plan review complete — ready to issue, awaiting final fees/issuance.
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
4409 CALIFORNIA AVE SW, SEATTLE, WA Property
MASTEC NETWORK SOLUTIONS INC Contractor
West Seattle Neighborhood
Project Overview
Project Details
Value
$25,000
Type
Commercial Construction
Issued
N/A
Location
West Seattle
Contractor Information
Location & Map
Project Description
AT&T WA6284 Alaska Street - LTE 1C RRH Swap Construct alterations to portion of a rooftop minor communications facility, per plans.
Additional Details
Permit Intelligence
Work performed by
Licensed Contractor
Contractor license
MASTENS876KN
Housing category
Commercial Add/Alt
Review level
Full
Primary use
Commercial
Parcel
DV0006165
Review cycles
2
Plan review days
25
Days in corrections
9
Existing units
0
Units added
0
Units removed
0
Sleeping rooms
0