← 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 42 building permits in September 2026, down 58% from the prior month. The most active zip code was 22039 with 3 permits. Commercial Addition/Alteration was the top permit type, making up 43% of all permits issued.

Permits issued
42
vs. prior month
-58%
100 last month
Most active zip
22039
3 permits
Top permit type
Commercial Addition/Alteration
43% of total

Permit activity by zip code

Top 10 zip codes by permit volume — September 2026

22039
3
22079
3
22101
3
22151
3
20171
2
20190
2
22042
2
22066
2
22102
2
22180
2

Permits by type

September 2026 · Fairfax County, VA

Commercial Addition/Alteration
18 (43%)
Residential Addition/Alteration
15 (36%)
Residential New
7 (17%)
Commercial New
2 (5%)

Other months — Fairfax County

August 2026July 2026June 2026May 2026
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