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September 2026 Building Permits

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

Carson, CA issued 264 building permits in September 2026, up 15% from the prior month. The most active zip code was 90745 with 144 permits. Electrical Permit (Residential) was the top permit type, making up 21% of all permits issued.

Permits issued
264
vs. prior month
+15%
230 last month
Most active zip
90745
144 permits
Top permit type
Electrical Permit (Residential)
21% of total

Permit activity by zip code

Top 10 zip codes by permit volume — September 2026

90745
144
90746
84
90810
31
90248
3
90801
1

Permits by type

September 2026 · Carson, CA

Electrical Permit (Residential)
56 (21%)
Reroof Permit
49 (19%)
Mechanical Permit (Residential)
36 (14%)
PHOTOVOLTAIC- SolarAPP+
36 (14%)
Plumbing Permit (Residential)
24 (9%)
Building Permit (Residential) - Remodel and/or Addition
21 (8%)
Building Permit (Commercial) - Tenant Improvement/Alteration
7 (3%)
Solar Permit (Residential)
7 (3%)
Plumbing Permit (Commercial)
6 (2%)
ADU / JR ADU Permit
5 (2%)
Electrical Permit (Commercial)
5 (2%)
Fire Sprinkler Permit
3 (1%)
Commercial Sign Permit
2 (1%)
Mechanical Permit (Commercial)
2 (1%)
Swimming Pool and Spa - Residential
2 (1%)
Building Permit (Residential) - Fence / Wall / Retaining Wall
1 (0%)
EV Charger Permit (Residential)
1 (0%)
Solar Permit (Commercial)
1 (0%)

Other months — Carson

November 2026October 2026August 2026July 2026
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