Inferred Project · confidence 50
New construction at 3021 20TH AVE S
3021 20TH AVE S, SEATTLE, WA · Beacon HillSummary
1
Permits
$391,349
Est. value
Dec 1, 2025
First activity
Dec 1, 2025
Latest activity
Existing SFR+AADU - New SFR+AADU Four dwelling units total Construct addition and substantial alterations to west one-family dwelling for a two-family dwelling, per plan. (Allow (2) attached accessory dwelling units - one for a new-single family residence and one for an existing single-family reside
Permit records (1)
| Permit | Type | Value | Status | Date |
|---|---|---|---|---|
| 7050089-CN | residential | $391,349 | active | Dec 1, 2025 |
Participants
- BACKYARD ADU LLC contractor
About this project
This project was inferred by grouping related permits at the same address. Confidence score 50/100 reflects how strongly the permits appear to belong to a single effort.