109 building permits were recorded for Sammamish, WA over the trailing 7 days. This page reflects currently available public permitting records; source schedules vary by jurisdiction.
Permits filed · this week
109
▲ 60.3% vs prior 7 days
Prior 7-day comparison
68
permits filed previous week
| # | Contractor | Permits (7d) |
|---|---|---|
| 1 | COSCO FIRE PROTECTION INC | 29 |
| 2 | WASHINGTON GENERATORS LLC | 7 |
| 3 | BRENNAN HEATING &A/C LLC | 6 |
| 4 | TRC RENOVATIONS SERVICES LLC | 6 |
| 5 | WASHINGTON ENERGY SVCS CO LLC | 5 |
| Permit type | Count | Share |
|---|---|---|
| ELECTRICAL - RESIDENTIAL ELECTRICAL | 41 | 37.6% |
| ELECTRICAL - MULTIFAMILY ELECTRICAL | 30 | 27.5% |
| BLDG RESIDENTIAL - MECHANICAL | 28 | 25.7% |
| BLDG RESIDENTIAL - PLUMBING | 3 | 2.8% |
| ELECTRICAL - NON RESIDENTIAL ELECTRICAL | 2 | 1.8% |
| Date | Type | Address | Contractor |
|---|---|---|---|
| 2026-09-18 | BLDG RESIDENTIAL - MECHANICAL | 20121 SE 30TH ST | RF SERVICE LLC |
| 2026-09-18 | BLDG RESIDENTIAL - MECHANICAL | 25741 SE 39TH ST | WASHINGTON ENERGY SVCS CO LLC |
| 2026-09-18 | BLDG RESIDENTIAL - MECHANICAL | 2609 226TH AVE SE | BLACK LION HEATING &A/C LLC |
| 2026-09-18 | ELECTRICAL - RESIDENTIAL ELECTRICAL | 25741 SE 39TH ST | WASHINGTON ENERGY SVCS CO LLC |
| 2026-09-18 | BLDG RESIDENTIAL - MECHANICAL | 2317 SAHALEE DR E | BRECHTECH INC |
Explore the full source-labeled project records available for Sammamish, including public contact fields where the source provides them. Get a digest of newly available records. Cancel anytime in one click.
See also: /permits/washington/sammamish-wa · national permit pulse · freshness check