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October 2026 Building Permits

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

Washington County, OR issued 1,440 building permits in October 2026, up 17% from the prior month. The most active zip code was 97229 with 327 permits. Residential Electrical was the top permit type, making up 22% of all permits issued.

Permits issued
1,440
vs. prior month
+17%
1,232 last month
Most active zip
97229
327 permits
Top permit type
Residential Electrical
22% of total

Permit activity by zip code

Top 10 zip codes by permit volume — October 2026

97229
327
97225
164
97006
135
97078
82
97007
65
97140
59
97223
58
97003
57
97005
56
97116
35

Permits by type

October 2026 · Washington County, OR

Residential Electrical
319 (22%)
Residential Mechanical
270 (19%)
Residential Plumbing
196 (14%)
Commercial Electrical
147 (10%)
Residential Addition-Alteration
145 (10%)
Commercial Plumbing
73 (5%)
Commercial Addition-Alteration
48 (3%)
Deferred Submittal
45 (3%)
Revision
42 (3%)
Commercial Mechanical
27 (2%)
Commercial Equipment Installation
13 (1%)
Residential New
13 (1%)
Grading
12 (1%)
Power Reconnect
12 (1%)
Commercial Fire Alarm
11 (1%)
Commercial Fire Sprinkler
11 (1%)
Commercial Agricultural
9 (1%)
Residential Detached Structure
9 (1%)
Commercial New
8 (1%)
Commercial Wall Sign
8 (1%)
Commercial Freestanding Sign
5 (0%)
Private Access
5 (0%)
Residential Demolition
5 (0%)
Commercial Retaining Wall
2 (0%)
Residential Retaining Wall
2 (0%)
Commercial Demolition
1 (0%)
Residential Fire Sprinkler
1 (0%)
Residential Manufactured Placement
1 (0%)

Other months — Washington County (OR)

November 2026September 2026August 2026
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