← All reportsWashington County, OR · Monthly Report

September 2026 Building Permits

Official permit data from Washington County (OR) — updated Mon, Wed & Fri from the county permitting office.

Washington County, OR issued 1,232 building permits in September 2026, up 176% from the prior month. The most active zip code was 97229 with 213 permits. Residential Electrical was the top permit type, making up 27% of all permits issued.

Permits issued
1,232
vs. prior month
+176%
447 last month
Most active zip
97229
213 permits
Top permit type
Residential Electrical
27% of total

Permit activity by zip code

Top 10 zip codes by permit volume — September 2026

97229
213
97225
121
97006
85
97003
61
97007
59
97223
55
97078
46
97140
46
97005
45
97106
43

Permits by type

September 2026 · Washington County, OR

Residential Electrical
327 (27%)
Residential Mechanical
216 (18%)
Residential Plumbing
198 (16%)
Commercial Electrical
130 (11%)
Residential Addition-Alteration
78 (6%)
Commercial Plumbing
54 (4%)
Residential New
34 (3%)
Revision
32 (3%)
Commercial Addition-Alteration
23 (2%)
Deferred Submittal
23 (2%)
Commercial Mechanical
20 (2%)
Grading
15 (1%)
Residential Detached Structure
12 (1%)
Commercial New
10 (1%)
Commercial Fire Sprinkler
9 (1%)
Residential Retaining Wall
6 (0%)
Commercial Agricultural
5 (0%)
Commercial Equipment Installation
5 (0%)
Commercial Fire Alarm
5 (0%)
Commercial Wall Sign
5 (0%)
Power Reconnect
5 (0%)
Residential Fire Sprinkler
5 (0%)
Residential Manufactured Placement
4 (0%)
Commercial Freestanding Sign
3 (0%)
Residential Demolition
3 (0%)
Commercial Hood Suppression
2 (0%)
Private Access
2 (0%)
Commercial Demolition
1 (0%)

Other months — Washington County (OR)

November 2026October 2026August 2026
View all counties →

Get alerted when new permits are filed in Washington County (OR)

Pick your zip codes and permit types. We'll email you every Monday, Wednesday, and Friday.

Start free