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September 2026 Building Permits

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

Washington County, OR issued 845 building permits in September 2026, up 89% from the prior month. The most active zip code was 97229 with 145 permits. Residential Electrical was the top permit type, making up 27% of all permits issued.

Permits issued
845
vs. prior month
+89%
447 last month
Most active zip
97229
145 permits
Top permit type
Residential Electrical
27% of total

Permit activity by zip code

Top 10 zip codes by permit volume — September 2026

97229
145
97225
86
97006
59
97003
41
97007
40
97078
35
97223
35
97106
30
97140
29
97062
28

Permits by type

September 2026 · Washington County, OR

Residential Electrical
230 (27%)
Residential Mechanical
142 (17%)
Residential Plumbing
130 (15%)
Commercial Electrical
81 (10%)
Residential Addition-Alteration
51 (6%)
Commercial Plumbing
46 (5%)
Revision
28 (3%)
Residential New
23 (3%)
Deferred Submittal
21 (2%)
Commercial Addition-Alteration
16 (2%)
Commercial Mechanical
14 (2%)
Grading
11 (1%)
Residential Detached Structure
7 (1%)
Commercial Fire Sprinkler
5 (1%)
Commercial Wall Sign
5 (1%)
Residential Fire Sprinkler
5 (1%)
Commercial Agricultural
4 (0%)
Commercial Fire Alarm
4 (0%)
Commercial New
4 (0%)
Residential Manufactured Placement
4 (0%)
Commercial Equipment Installation
3 (0%)
Power Reconnect
3 (0%)
Commercial Freestanding Sign
2 (0%)
Private Access
2 (0%)
Residential Demolition
2 (0%)
Commercial Hood Suppression
1 (0%)
Residential Retaining Wall
1 (0%)

Other months — Washington County (OR)

August 2026
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