PERMIT #7088342-CN

1414 31ST AVE S, SEATTLE, WA

active

Permit Timeline & Status

Construction Permit Timeline
Applied
September 10, 2025
In Review
2 cycles
Reviews Done
October 7, 2025
Ready to Issue
October 8, 2025
Issued
October 8, 2025
Completed
Expires
April 8, 2027
27
Plan Review Days — Total
15
Plan Review Days — City Control
12
Days in Applicant Control
2
Review Cycles
Next stepPermit issued — construction underway.
Plan-review data from Seattle DCI. “City control” is total plan-review days minus the days the applicant held the permit for corrections.

Project Overview

Project Details
Value
$30,000
Type
Commercial Construction
Issued
October 8, 2025
Location
Mt Baker

Contractor Information

Contractor
MASTEC NETWORK SOLUTIONS INC
General Contractor
License MASTENS876KN

Location & Map

Project Description
AT&T Modification - WA6429 INTERSTATE 90 BRIDGE Construct alterations to an existing commercial building at the rooftop level minor communications antenna facility (AT&T), per plan.

Additional Details

Permit Intelligence
Work performed by
Licensed Contractor
Contractor license
MASTENS876KN
Housing category
Commercial Add/Alt
Review level
Full +
Primary use
Commercial
Parcel
DV0053946
Review cycles
2
Plan review days
27
Days in corrections
12
Expires
April 8, 2027
Existing units
0
Units added
0
Units removed
0
Sleeping rooms
0
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