← All reportsFairfax County, VA · Monthly Report

September 2026 Building Permits

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

Fairfax County, VA issued 80 building permits in September 2026, down 33% from the prior month. The most active zip code was 22101 with 6 permits. Commercial Addition/Alteration was the top permit type, making up 39% of all permits issued.

Permits issued
80
vs. prior month
-33%
120 last month
Most active zip
22101
6 permits
Top permit type
Commercial Addition/Alteration
39% of total

Permit activity by zip code

Top 10 zip codes by permit volume — September 2026

22101
6
22151
6
20190
5
22180
5
22039
4
22102
4
20171
3
20191
3
22003
3
22066
3

Permits by type

September 2026 · Fairfax County, VA

Commercial Addition/Alteration
31 (39%)
Residential Addition/Alteration
27 (34%)
Residential New
16 (20%)
Commercial New
6 (8%)

Other months — Fairfax County

November 2026October 2026August 2026July 2026
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