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September 2026 Building Permits

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

Washington, DC issued 4,105 building permits in September 2026, up 5% from the prior month. The most active zip code was 20002 with 457 permits. Supplemental — Plumbing And Gas was the top permit type, making up 20% of all permits issued.

Permits issued
4,105
vs. prior month
+5%
3,901 last month
Most active zip
20002
457 permits
Top permit type
Supplemental — Plumbing And Gas
20% of total

Permit activity by zip code

Top 10 zip codes by permit volume — September 2026

20002
457
20011
399
20001
346
20007
286
20019
251
20003
244
20016
224
20020
217
20009
195
20012
168

Permits by type

September 2026 · Washington, DC

Supplemental — Plumbing And Gas
837 (20%)
Supplemental — Electrical
824 (20%)
Construction — Alteration And Repair
600 (15%)
Supplemental — Mechanical
450 (11%)
Post Card — Building
284 (7%)
Home Occupation
186 (5%)
Post Card — Plumbing
144 (4%)
Construction — Miscellaneous
131 (3%)
Post Card — Electrical - General
83 (2%)
Construction — Solar System
75 (2%)
Construction — Permit
73 (2%)
Construction — Addition Alteration Repair
71 (2%)
Construction — Fence
68 (2%)
Construction — New Building
31 (1%)
Construction — Demolition
30 (1%)
Construction — Sign
29 (1%)
Shop Drawing — Elevator - New
27 (1%)
Post Card — Electrical - Heavy Up
21 (1%)
Construction — Civil Plans
20 (0%)
Construction — Deck
14 (0%)
Shop Drawing — Elevator - Repair
14 (0%)
Construction — Special Building
13 (0%)
Construction — Retaining Wall
12 (0%)
Post Card — Mechanical
11 (0%)
Post Card — Gas Fitting
10 (0%)
Shop Drawing — Elevator - Alteration
9 (0%)
Supplemental — Boiler
7 (0%)
Construction — Sheeting And Shoring
6 (0%)
Construction — Garage
4 (0%)
Construction — Variance
4 (0%)
Construction — Swimming Pool
3 (0%)
Construction — Tenant Layout
3 (0%)
Construction — Awning
2 (0%)
Construction — Foundation Only
2 (0%)
Construction — Raze
2 (0%)
Construction — Shed
2 (0%)
Construction — Capacity Placard
1 (0%)
Construction — Excavation Only
1 (0%)
Construction — Special Sign
1 (0%)

Other months — Washington

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