PERMIT #7096632-CN
2306 E Columbia St, Seattle, WA
activeSmith Residence Establish use as single-family residence with attached accessory dwelling unit per land use code. Construct alterations and additions to existing two-family dwelling at 2306 E Columbia St, Seattle, WA in Central District, Seattle. Permit 7096632-CN is active, valued at $351,845. Work is being performed by EXPERT ENVIRONMENTAL SRVCS LLC.
Permit Timeline & Status
Construction Permit Timeline
Applied
September 5, 2025
In Review
2 cycles
Reviews Done
December 10, 2025
Ready to Issue
December 10, 2025
Issued
December 11, 2025
Completed
—
Expires
June 11, 2027
96
Plan Review Days — Total
75
Plan Review Days — City Control
21
Days in Applicant Control
2
Review Cycles
Permit 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.
Explore This Record
2306 E COLUMBIA ST, SEATTLE, WA Property
EXPERT ENVIRONMENTAL SRVCS LLC Contractor
Central District Neighborhood
Project Overview
Project Details
Value
$351,845
Type
Residential Construction
Issued
December 11, 2025
Location
Central District
Contractor Information
Location & Map
Project Description
Smith Residence Establish use as single-family residence with attached accessory dwelling unit per land use code. Construct alterations and additions to existing two-family dwelling, per plan
Additional Details
Permit Intelligence
Work performed by
Licensed Contractor
Contractor license
EXPERES817PA
Housing category
Single-Family Add/Alt
Review level
Full C
Primary use
Single Family/Duplex
Parcel
DV0003272
Review cycles
2
Plan review days
96
Days in corrections
21
Expires
June 11, 2027
Existing units
0
Units added
2
Units removed
0
Sleeping rooms
0