Sammamish Addition Market Overview
Sammamish's addition permit activity is currently accelerating, with 7 permits filed in the last 30 days compared to 4 in the prior 30-day window. On average, 5.2 addition permits are filed per month here based on the last six months of data. The most active addition contractors in Sammamish include B.G.B Contractor Services, ANGKOR LANDSCAPE SERVICES LLC, ALL INCLUSIVE HOME DESIGN LLC.
Recent Addition Permits in Sammamish
| Date | Address | Description | Status |
|---|---|---|---|
| 2026-09-09 | 247 E LAKE SAMMAMISH PKWY SE | ADU | COMPLETE |
| 2026-08-28 | 21511 SE 32ND ST | ADU | COMPLETE |
| 2026-08-28 | 2904 229TH PL NE | ADU | COMPLETE |
| 2026-08-27 | 2288 236TH AVE NE | ADU | COMPLETE |
| 2026-08-27 | 3131 220TH PL SE | ADDITION | COMPLETE |
| 2026-08-25 | 1839 225TH PL NE | ADDITION BUFFER ZONES | COMPLETE |
| 2026-08-25 | 22430 NE 12TH CT | ADDITION SETBACKS | COMPLETE |
| 2026-08-20 | 3529 207TH AVE SE | GARAGE ADDITION | COMPLETE |
| 2026-08-13 | 27172 SE 25TH PL | ADDITION SETBACKS | COMPLETE |
| 2026-08-11 | 1617 EAST LAKE SAMMAMISH PKWY NE | TCR - MCBRIDE RESIDENCE ADU TRAFFIC CONCURRENCY | COMPLETE |
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Choose this market for a free trial →Frequently Asked Questions
How many Addition permits were filed in Sammamish in the last 30 days?
Sammamish has 7 addition permits dated in the last 30 days in the source records currently available on PermitGrab.
What types of Addition work require permits in Sammamish?
In Sammamish, permits are typically required for building addition permits including home extensions, room additions, and property expansions. Always check with Sammamish's building department for specific requirements.
How can a Addition business research project activity in Sammamish?
Use PermitGrab to review matching addition permit records from Sammamish’s public source. Use the displayed source date, project scope, and available record fields to research published project activity; a permit is not a request for bids.
How quickly are Addition permits updated on PermitGrab?
The newest displayed source record is dated 2026-09-09. PermitGrab checks the source on each collection cycle and publishes newer records after the source makes them available.