Inferred Project · confidence 80

New construction at 8349 20TH AVE NW

8349 20TH AVE NW, SEATTLE, WA · Ballard

Summary

2
Permits
$250,000
Est. value
Apr 23, 2025
First activity
Apr 29, 2026
Latest activity

AADU in Basement Allow housing for one new stacked dwelling unit within an existing structure. Existing detached dwelling unit to remain. Construct alterations to convert one-family to two-family dwelling, per plan

Review timeline

Apr 22, 2025 → Apr 29, 2026
Review span
49
Plan review days (total)
38
City control days
11
Applicant correction days
2
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 (2)

PermitTypeValueStatusDate
7130334-CN residential $150,000 active Apr 29, 2026
7081976-CN residential $100,000 completed Apr 23, 2025

Participants

About this project

This project was inferred by grouping related permits at the same address. Confidence score 80/100 reflects how strongly the permits appear to belong to a single effort.