Sammamish Addition Market Overview
Sammamish's addition permit activity is currently slowing, with 3 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 ALL INCLUSIVE HOME DESIGN LLC, ANGKOR LANDSCAPE SERVICES LLC, ALDERWOOD LANDSCAPING INC.
Recent Addition Permits in Sammamish
| Date | Address | Description | Est. Value | Status |
|---|---|---|---|---|
| 2026-07-17 | 1125 205TH AVE NE | ADU ABOVE SPORTS COURT | Not listed on permit | COMPLETE |
| 2026-07-15 | 25112 SE 17TH ST | ADU AND/OR DADU | Not listed on permit | COMPLETE |
| 2026-07-08 | 870 238TH AVE NE | ADDITION | Not listed on permit | COMPLETE |
| 2026-07-01 | 21711 SE 35TH ST | ADU'S | Not listed on permit | COMPLETE |
| 2026-06-30 | Address pending | GARAGE ADDITION | Not listed on permit | COMPLETE |
| 2026-06-17 | 1746 267TH CT SE | BLDG RESIDENTIAL | Not listed on permit | ISSUED |
| 2026-06-11 | 22729 SE 16TH ST | ADU, REZONE, AND SUBDIVISON | Not listed on permit | COMPLETE |
| 2026-05-29 | 3411 241ST AVE SE | addition | Not listed on permit | COMPLETE |
| 2026-05-19 | 1125 269TH AVE SE | ADDITION - JANCOLA GARAGE EXTENSION | Not listed on permit | ISSUED |
| 2026-04-24 | 2030 216TH AVE SE | REMODEL AND PORCH ADDITION - ADDERSON | Not listed on permit | ISSUED |
Sign up free to see all Addition permits in Sammamish
Get All Sammamish Addition Permits
Access every addition permit in Sammamish with contact info, lead scores, and daily email alerts.
Start Free →Frequently Asked Questions
How many Addition permits are filed in Sammamish per month?
Sammamish averages approximately 3 addition permits per month based on recent permit data collected by 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 I find Addition leads in Sammamish?
PermitGrab provides daily updates of all addition permits filed in Sammamish, complete with addresses, project values, and lead scoring to help addition contractors find new jobs before the competition.
How quickly are Addition permits updated on PermitGrab?
Permits are collected daily from Sammamish's open data portal and available on PermitGrab within 24 hours of filing.