Inferred Project · confidence 85
New construction at 506 20TH AVE
506 20TH AVE, SEATTLE, WA · Central DistrictSummary
3
Permits
$569,878
Est. value
Dec 16, 2025
First activity
Jun 16, 2026
Latest activity
Siding Windows replacement & new kitchen cabinets upper unit Alterations to existing duplex, subject to field inspection (STFI)
Review timeline
Dec 15, 2025 → Jun 16, 2026
Review span
182
Plan review days (total)
100
City control days
82
Applicant correction days
4
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 (3)
| Permit | Type | Value | Status | Date |
|---|---|---|---|---|
| 7104413-CN | residential | $512,878 | active | Jun 16, 2026 |
| 7122227-CN | residential | $28,500 | completed | Jan 6, 2026 |
| 7121543-CN | residential | $28,500 | completed | Dec 16, 2025 |
Participants
- NATIONAL RESTORATION CONST LLC contractor
About this project
This project was inferred by grouping related permits at the same address. Confidence score 85/100 reflects how strongly the permits appear to belong to a single effort.