← All reportsFairfax County, VA · Monthly Report

October 2026 Building Permits

Official permit data from Fairfax County — updated Mon, Wed & Fri from the county permitting office.

Fairfax County, VA issued 58 building permits in October 2026, down 28% from the prior month. The most active zip code was 20191 with 5 permits. Commercial Addition/Alteration was the top permit type, making up 50% of all permits issued.

Permits issued
58
vs. prior month
-28%
80 last month
Most active zip
20191
5 permits
Top permit type
Commercial Addition/Alteration
50% of total

Permit activity by zip code

Top 10 zip codes by permit volume — October 2026

20191
5
22043
5
22079
5
22102
5
22312
4
20171
3
22041
3
22101
3
22124
3
22180
3

Permits by type

October 2026 · Fairfax County, VA

Commercial Addition/Alteration
29 (50%)
Residential Addition/Alteration
16 (28%)
Residential New
11 (19%)
Commercial New
2 (3%)

Other months — Fairfax County

November 2026September 2026August 2026July 2026
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