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October 2026 Building Permits

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

San Marcos, TX issued 244 building permits in October 2026, down 2% from the prior month. The most active zip code was 78666 with 241 permits. Irrigation / Single Family was the top permit type, making up 30% of all permits issued.

Permits issued
244
vs. prior month
-2%
250 last month
Most active zip
78666
241 permits
Top permit type
Irrigation / Single Family
30% of total

Permit activity by zip code

Top 10 zip codes by permit volume — October 2026

78666
241
78656
1

Permits by type

October 2026 · San Marcos, TX

Irrigation / Single Family
72 (30%)
New Residential / Single Family
33 (14%)
Mechanical / Single Family
13 (5%)
Plumbing / Single Family
13 (5%)
ROW Permit / Commercial
12 (5%)
Foundation / Single Family
9 (4%)
Fire Sprinkler / Commercial
8 (3%)
Other
8 (3%)
Sign / Commercial
6 (2%)
Special Event / Commercial
6 (2%)
Electrical / Commercial
5 (2%)
Deck/Patio / Single Family
4 (2%)
Fire Alarm / Commercial
4 (2%)
Mechanical / Commercial
3 (1%)
Mechanical / Multi-Family
3 (1%)
Addition / Single Family
2 (1%)
Commercial Remodel / Commercial
2 (1%)
Driveway / Single Family
2 (1%)
Electrical / Multi-Family
2 (1%)
Electrical / Single Family
2 (1%)
High Pile (Fire) / Commercial
2 (1%)
Irrigation / Commercial
2 (1%)
Plumbing
2 (1%)
Plumbing / Commercial
2 (1%)
Plumbing / Multi-Family
2 (1%)
Residential Remodel / Single Family
2 (1%)
Road Closures / Commercial
2 (1%)
Sign / Single Family
2 (1%)
Site Prep. / Commercial
2 (1%)
Solar / Single Family
2 (1%)
Demolition / Commercial
1 (0%)
Demolition / Manufactured Home
1 (0%)
Electrical / Duplex
1 (0%)
Fence / Single Family
1 (0%)
Foundation / Commercial
1 (0%)
Job Trailer / Commercial
1 (0%)
PICP / Commercial
1 (0%)
Pool / Multi-Family
1 (0%)
Pool / Single Family
1 (0%)
Remodel / Multi-Family
1 (0%)
Shed / Single Family
1 (0%)
Sign / Duplex
1 (0%)
Small / Commercial
1 (0%)
Special Event
1 (0%)
Temporary / Commercial
1 (0%)

Other months — San Marcos

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