7,625 Multifamily Alteration permits in Austin
Updated 24h ago via daily refresh. Multifamily Alteration subset of the 580,200 total Austin permits indexed.
Permits indexed7,625Across Austin
RefreshDailyLast update 2026-05-20 03:00 CT
Cohort classifierLLM-1Field-level DQ flags inline
What this cohort covers
What counts as Multifamily Alteration in Austin?
Multifamily alteration permits cover changes to existing apartment and condo buildings — unit-level reconfigurations, common-area overhauls, structural retrofits, roof replacements, and substantial systems work. The highest-volume multifamily cohort in most US metros because turnover + aging-stock maintenance dominate filings against existing buildings.
No demo multifamily alteration permits in the current Austin sample — cohort grid populates from the live API at B1.6+.
Other cohorts in Austin
- Commercial MEP429,108
- Commercial Alteration116,928
- Commercial Signage Permits41,761
- Commercial Pool Construction17,888
- Commercial New Construction10,625
- Commercial Demolition9,056
- Multifamily New Construction7,963
- Industrial New Construction1,512
- Commercial Shell-Only Construction1,122
- Residential MEP318
- Residential Demolition6
- Civic Construction1
- ADU-Qualifying Construction
- Residential Alteration
- Residential Foundation-Only
- Residential New (Single-Family)
- Temporary Construction Support
Multifamily Alteration in other metros
FAQ
Frequently asked about multifamily alteration permits in Austin
- How many multifamily alteration permits are pulled in Austin each year?
- 7,625 multifamily alteration permits are currently indexed for Austin. Volume varies year over year; PermitCore tracks both historical totals and current rolling-window activity.
- Where can I see the latest multifamily alteration permits in Austin?
- The grid above shows the most recent multifamily alteration permits in Austin, paginated 25 per page. For programmatic access — filter by cohort, by date range, by contractor — use the PermitCore API or download via the sandbox.
- How is the multifamily alteration data in Austin refreshed?
- Austin permit data is refreshed daily from the city's open-data portal. Cohort classification is applied automatically via PermitCore's LLM-1 classifier; field-level data-quality flags surface inline so you can filter for clean rows.
- Can I export Austin multifamily alteration permits?
- Yes — the free tier includes 5K rows of CSV export per month. Paid tiers expand to Parquet export, 50K-2M rows, and webhook delivery on new multifamily alteration permit filings.
Custom delivery
Want Multifamily Alteration in Austin permit data delivered to your CRM or warehouse?
Self-serve API tiers cover most use cases. If you need direct delivery to Salesforce, HubSpot, Snowflake, BigQuery, or a custom warehouse — tell us the shape and we'll scope a path. Replies within one business day.