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How long does a home addition permit take in Austin?

In Austin, the typical home addition permit took about 3 months (91 days) from application to issue, across 668 permits issued from September 2024 to September 2026. After the permit, the typical finished home addition took about 11 months (323 days) from permit to final inspection (525 finished of 611 permits issued from September 2022 to September 2024; 14% had no final inspection on record by September 2026).

3 monthsfrom application to permitMiddle half: 59 days to 5 months
11 monthsfrom permit to final inspectionMiddle half: 7 months to 15 months

The two steps

How long home additions take in Austin, in daysApplication to permit issued: median 91 days, middle half 59 to 166 days, 668 permits; Permit issued to final inspection: median 323 days, middle half 215 to 460 days, 525 permits.Application to permit issued: about 3 monthsPermit issued to final inspection: about 11 months06 mo12 mo18 mo
Bars show the median; the line through each bar spans the middle half of jobs. The second step starts where the typical permit wait ends. The two steps come from different groups of permits, so they are not added up.
The numbers behind the chart
StepMedianMiddle halfPermitsPermits issued
Application to permit issuedabout 3 months59 days to about 5 months668September 2024 to September 2026
Permit to final inspectionabout 11 monthsabout 7 months to about 15 months525September 2022 to September 2024

Home addition contractors with the most jobs in Austin

RankContractorJobsContact
1Cg&s Construction, Inc. Dba: Cg&s Design-build
23
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2Green Bay Remodeling, Inc
18
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3Together Design & Build
16
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See all 151 ranked home addition contractors

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Permit wait by year issued

Year issuedJobsMedianMiddle half
202283about 5 monthsabout 3 months to about 8 months
2023310about 4 months77 days to about 7 months
2024298about 3 months57 days to about 5 months
2025312about 3 months62 days to about 6 months
202627680 days55 days to about 5 months

Why it takes this long

  • 0% of permits were issued the day they were applied for, and 6% within 30 days (668 permits).
  • The longer step is building and inspection: about 3 months for the permit against about 11 months from permit to final, at the median.
  • 8% of finished jobs passed final inspection within 90 days of the permit.
  • Of the 611 permits issued from September 2022 to September 2024, 86 (14%) had no final inspection on record by September 2026. They may still be under way, dropped or never inspected; the records do not say which. They are left out of the build time; any of them that finishes will have taken more than two years, so counting them would make the typical time longer.

Days are counted between the dates on each city permit: applieddate, issue_date, completed_date. Median and middle half: half of the jobs took longer than the median; the middle half runs from the 25th to the 75th percentile. A figure is shown only when it rests on 30 or more permits. Kinds of work are sorted by the same rules as our contractor lists. Source: Austin Issued Construction Permits (data.austintexas.gov 3syk-w9eu), read 2026-09-24. The same figures as data: addition.json.